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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 89. Отображено 89.
17-06-2015 дата публикации

SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Номер: KR0101529210B1
Автор: 한양규, 김수화, 이현진, 한장선, 임규, 이상영, 이제권
Принадлежит: 주식회사 엘지화학, 한양대학교 산학협력단

... 본 발명은 전해질 및 리튬염으로 구성된 전해액에 대한 우수한 함침율(uptake) 을 나타내면서도, 전해질을 고분자 사슬 내부에 흡수 팽윤시킴으로서 전해질의 누설 우려가 적어 뛰어난 전지안정성을 나타내며, 분리막으로서 적절한 기계적 물성 및 전도도 등을 보이는 리튬 이차 전지용 분리막 및 이를 포함하는 리튬 이차 전지에 관한 것이다. 상기 리튬 이차 전지용 분리막은 소정의 아크릴아미드계 반복단위를 1종 이상 포함하고, 2.0 내지 10.0 nm의 직경을 갖는 복수의 기공을 포함하는 아크릴아미드계 중합체의 필름을 포함하는 것이다.

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Номер записи: 1
01-08-2018 дата публикации

METHOD FOR PREPARING SUPERABSORBENT POLYMER

Номер: KR1020180087049A
Автор: KIM, DONG HYUN, AHN, TAE BIN, LEE, JUN WYE, HAN, CHANG SUN
Принадлежит:

The present invention relate to a method for preparing a superabsorbent polymer. The method for preparing a superabsorbent polymer, according to the present invention, allows a superabsorbent polymer having an excellent absorption coefficient, absorption rate, and permeability to be provided. COPYRIGHT KIPO 2018 ...

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Номер записи: 2
31-10-2013 дата публикации

SUPER ABSORBENT POLYMER AND METHOD FOR MANUFACTURING SAME

Номер: WO2013162255A2
Автор: WON, Tae-Young, HAN, Chang-Sun, KIM, Gi-Cheul, LEE, Yong-Hun, LEE, Sang-Gi, KIM, Kyu-Pal, PARK, Sung-Soo, LEEM, Gyu
Принадлежит:

The present invention relates to a super absorbent polymer and to a method for manufacturing same. More particularly, a super absorbent polymer and a method for manufacturing same are provided, wherein the super absorbent polymer uses a surface treating solution that includes water and diol or a glycol-based surface cross-linking agent during the surface treatment of the super absorbent polymer, satisfies all the combined physical properties required of a super absorbent polymer, and is especially effective in both initial absorbency and absorbing rate when pressed.

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Номер записи: 3
20-04-2018 дата публикации

HIGH ABSORBENT RESIN AND PRODUCTION METHOD THEREOF

Номер: KR1020180040404A
Автор: NAM, HYE MI, LEE, SANG GI, HWANG, MIN HO, LEE, SOO JIN, HAN, CHANG SUN
Принадлежит:

The present invention relates to a high absorbent resin and a production method thereof. The high absorbent resin exhibits excellent absorptiveness even in swollen state and also exhibits excellent rewetting inhibitory effect. Accordingly, it is possible to provide sanitary materials such as diapers or sanitary napkins, leaving soft and fresh feeling even after body fluid is released by using the high absorbent resin. COPYRIGHT KIPO 2018 ...

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Номер записи: 4
18-04-2016 дата публикации

PRODUCING METHOD OF SUPER ABSORBENT RESIN

Номер: KR1020160041826A
Автор: KIM, KYU PAL, HAN, CHANG SUN
Принадлежит:

The present invention relates to a producing method of a super absorbent resin. The producing method of a super absorbent resin according to the present invention provides a super absorbent resin having excellent centrifuge retention capacity (CRC), excellent absorption under pressure (AUP), and an improved absorption rate. The producing method comprises steps of: forming acrylic acid monomer, having an acidic group whose at least part is polymerized, into a hydrous gel phase polymer; crude-grinding the hydrous gel phase polymer; drying the crude-ground hydrous gel phase polymer; grinding the dried polymer; and surface-modifying the ground polymer by a second cross-linking agent. COPYRIGHT KIPO 2016 ...

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Номер записи: 5
22-06-2017 дата публикации

SUPER ABSORBENT POLYMER

Номер: KR101750013B1
Автор: NAM, DAE WOO, HAN, CHANG SUN, LEE, HYE MIN, JUNG, HWA YOON, YOON, HYUNG KI
Принадлежит: LG CHEM, LTD.

The present invention relates to a super absorbent polymer exhibiting improved liquid permeability and/or absorption rate, while maintaining excellent absorption performance. The super absorbent polymer comprises: a base resin powder comprising a first crosslinked polymer of a water soluble ethylene-based unsaturated monomer having at least partly neutralized acidic groups; and a surface cross-linked layer formed on the base resin powder, wherein the first cross-linked polymer comprises a second cross-linked polymer which is additionally cross-linked through the medium of an alkylene carbonate having 2 to 5 carbon atoms, and satisfies some physical properties. COPYRIGHT KIPO 2017 ...

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Номер записи: 6
29-08-2017 дата публикации

METHOD FOR MANUFACTURING RESIN WITH HIGH ABSORPTION PROPERTIES

Номер: KR1020170098196A
Автор: NAM, DAE WOO, HAN, CHANG SUN, LEE, HYE MIN, JUNG, HWA YOON, YOON, HYUNG KI
Принадлежит:

The present invention relates to a method for manufacturing resin with high absorption properties wherein the resin with high absorption properties exhibits increased liquid permeability and/or an increased absorption speed while maintaining excellent absorption performance. The resin with high absorption properties comprises: base resin powder comprising a first crosslinked polymer of a water-soluble ethylenically unsaturated monomer having an at least partially neutralized acid group; and a surface crosslinked layer which is formed on the base resin powder and comprises a second crosslinked polymer formed by additionally crosslinking the first crosslinked polymer with alkylene carbonate having 2-5 carbon atoms as a mediator. The resin with high absorption properties satisfies predetermined physical properties. COPYRIGHT KIPO 2017 ...

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Номер записи: 7
14-05-2018 дата публикации

SUPERABSORBENT RESIN AND PRODUCTION METHOD THEREOF

Номер: KR1020180050145A
Автор: LEE, SOO JIN, LEE, SANG GI, NAM, HYE MI, HWANG, MIN HO, HAN, CHANG SUN
Принадлежит:

The present invention relates to a superabsorbent resin and a production method thereof. Since a brine is less likely to remain in a gap between swollen gel particles, the superabsorbent resin effectively prevents rewetting after absorption of liquid. Accordingly, by using the superabsorbent resin, it is possible to produce sanitary materials such as diapers or sanitary napkins, capable of securing soft texture even after body fluid is released. COPYRIGHT KIPO 2018 ...

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Номер записи: 8
11-05-2018 дата публикации

SUPERABSORBENT POLYMER AND PREPARATION METHOD THEREFOR

Номер: WO2018084392A1
Автор: LEE, Soo Jin, LEE, Sang Gi, NAM, Hye Mi, HWANG, Min Ho, HAN, Chang Sun
Принадлежит:

The present invention relates to a superabsorbent polymer and a preparation method therefor. The superabsorbent polymer can effectively prevent a rewetting phenomenon after liquid is absorbed since it is difficult for saline to remain in pores between swollen gel particles. Therefore, a sanitary material such as a diaper or a sanitary napkin, which can provide a dry feeling even after a body fluid is discharged, can be provided using the superabsorbent polymer.

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Номер записи: 9
03-07-2018 дата публикации

SUPER ABSORBENT POLYMER AND PREPARATION METHOD OF SAME

Номер: KR1020180074384A
Автор: LEE, YONG HUN, SOHN, JUNG MIN, LEE, HYE MIN, HAN, CHANG SUN
Принадлежит:

The present invention relates to a super absorbent polymer which basically maintains excellent absorption properties and absorption rate, while showing more improved absorption capacity, liquid permeability, and the like under load, and to a preparation method of the same. The super absorbent polymer comprises: a base polymer powder containing a first crosslinked polymer of a water-soluble ethylene-based unsaturated monomer having an acid group in which at least a part thereof is neutralized; and a surface-crosslinked layer containing a second crosslinked polymer formed on the base polymer powder in which the first crosslinked polymer is additionally crosslinked via a surface crosslinking agent. The surface crosslinking agent contains at least two kinds of compounds having a solubility parameter (SP) value σ of 12.5 (cal/cm^3)^(1/2) or more, wherein at least one kind of compound in the surface crosslinking agent is an alkylene carbonate-based compound, and the rest are selected from the ...

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Номер записи: 10
26-11-2015 дата публикации

SUPER ABSORBENT POLYMER

Номер: KR1020150132817A
Автор: LEE, HYE MIN, HAN, CHANG SUN, WON, TAE YOUNG
Принадлежит:

The present invention relates to a super absorbent polymer. According to the present invention, provided is a super absorbent polymer which exhibits an more improved absorbent capacity and water holding capacity as a mono(meth)acrylated polyalkylene glycol is present on a cross-linked polymer which is internally cross-linked in a surface cross-linked layer of the super absorbent polymer. COPYRIGHT KIPO 2016 ...

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Номер записи: 11
07-06-2016 дата публикации

MANUFACTURING METHOD OF HIGHLY ABSORBENT RESIN AND HIGHLY ABSORBENT RESIN MANUFACTURED THROUGH SAME

Номер: KR1020160063975A
Автор: LEE, YONG HUN, AHN, TAE BIN, HAN, CHANG SUN, JUNG, HWA YOON
Принадлежит:

The present invention relates to a manufacturing method of a highly absorbent resin which has a fast rate of absorption and high absorption characteristics under pressure. The manufacturing method of a highly absorbent resin comprises the following steps of: 1) forming a hydrogel polymer by thermal polymerization or photopolymerization of a monomer composition including a water soluble ethylene-based unsaturated monomer and a polymerization initiator; 2) mixing the hydrogel polymer with a carboxylic acid-based copolymer having repeat units represented by chemical formula 1-a and chemical formula 1-b, and pulverizing the resultant mixture; 3) drying the pulverized polymer; 4) pulverizing the dried polymer; and 5) surface cross-linking the pulverized polymer. COPYRIGHT KIPO 2016 ...

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Номер записи: 12
09-06-2015 дата публикации

PREPARATION METHOD FOR SUPER ABSORBENT POLYMER

Номер: KR0101527585B1
Автор: 남대우, 원태영, 한장선, 유철희
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조 방법에 관한 것이다. 본 발명에 따른 고흡수성 수지의 제조 방법은, 특정한 화합물을 표면 가교제로 이용하여 표면 가교 반응을 수행한다. 본 발명의 제조방법에 따르면, 향상된 물성을 갖는 고흡수성 수지를 수득할 수 있다.

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Номер записи: 13
09-06-2017 дата публикации

고흡수성 수지의 제조 방법 및 이를 통해 제조된 고흡수성 수지

Номер: KR0101745679B1
Автор: 이용훈, 안태빈, 한장선, 서성종
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조방법에 관한 것으로, 본 발명에 따른 고흡수성 수지의 제조 방법은 함수겔상 중합체 중합시 폴리카르복시산계 공중합체를 사용함으로써, 보수능 및 가압 흡수능과 같은 흡수 특성이 우수하면서도 빠른 흡수 속도와 높은 투과도를 가지는 고흡수성 수지를 제조할 수 있다.

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Номер записи: 14
06-01-2011 дата публикации

POLYMERIZATION REACTOR FOR PRODUCING A SUPER ABSORBENT POLYMER AND METHOD FOR PRODUCING A SUPER ABSORBENT POLYMER USING THE POLYMERIZATION REACTOR

Номер: WO2011002172A2
Автор: WON, Tae-Young, KIM, Gi-Cheul, LEE, Sang-Gi, KIM, Kyu-Pal, HAN, Chang-Sun
Принадлежит:

The present invention provides a polymerization reactor for producing a super absorbent polymer, comprising: a reaction unit; a monomer composition supply unit which is connected to the reaction unit to supply a monomer composition solution containing a monomer, a photopolymerization initiator, and a solvent; a stirring shaft arranged in the reaction unit and connected from one end of the reaction unit, at which the monomer composition supply unit is connected, to the other end of the reaction unit; a plurality of stirring blades arranged along the circumference of the stirring shaft; and a light illumination unit which illuminates light onto the monomer composition solution provided by the monomer composition supply unit. The present invention also provides a method for producing a super absorbent polymer using the polymerization reactor.

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Номер записи: 15
28-09-2017 дата публикации

SUPERABSORBENT POLYMER

Номер: WO2017164452A1
Автор: AHN, Tae Bin, HAN, Chang Sun, HONG, Seung Do, RYU, Chul Hee, KIM, Dong Hyun
Принадлежит:

According to the present invention, a superabsorbent polymer has excellent various physical properties required for a superabsorbent polymer while having excellent absorption magnification, absorption rate, and permeability, thereby being usable as a hygiene product such as a diaper and, particularly, as an ultrathin hygiene product.

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Номер записи: 16
16-05-2017 дата публикации

METHOD FOR PRODUCING HIGHLY ABSORPTIVE RESIN AND HIGHLY ABSORPTIVE RESIN PRODUCED THEREBY

Номер: KR1020170053415A
Автор: LEE, YONG HUN, YOON, HYUNG KI, HAN, CHANG SUN, SOHN, JUNG MIN
Принадлежит:

The present invention relates to a method for producing a highly absorptive resin, and a highly absorptive resin produced thereby. According to the present invention, the method for producing the highly absorptive resin can prevent surface damage or breakage of resin particles occurring when handling and producing the highly absorptive resin, thereby enabling the production of highly absorptive resins exhibiting excellent absorptiveness and permeability. To this end, the method for producing the highly absorptive resin comprises the following steps: forming a water-containing gelated polymer by conducting thermopolymerization or photopolymerization using a monomeric composition containing a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the water-containing gelated polymer; pulverizing the dried polymer; cross-linking surfaces of the pulverized polymers; and treating the surface cross-linked polymers with a polycarboxylic acid-based copolymer which ...

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Номер записи: 17
18-06-2015 дата публикации

METHOD FOR MANUFACTURING SUPER ABSORBENT RESIN

Номер: KR1020150067729A
Автор: JUNG, HWA YOON, HAN, CHANG SUN, RYU, CHUL HEE, KIM, MI YOUNG
Принадлежит:

The present invention relates to a manufacturing method of a super absorbent resin, which is allowed to manufacture a super absorbent resin with improved absorbing speed and solution permeability, and also improved physical properties since water retention capability or pressurized absorption capability is not degraded. In the present invention, provided is a manufacturing method of a super absorbent resin, comprising a step of forming a hydrous gel phase polymer whose gel strength is 10,000-13,000 Pa by performing thermal polymerization or photo-polymerization on a monomer composition including a water-soluble ethylenically unsaturated monomer, an internal cross-linking agent and a polymerization initiator. COPYRIGHT KIPO 2015 ...

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Номер записи: 18
14-09-2017 дата публикации

SUPERABSORBENT RESIN

Номер: WO2017155196A1
Автор: SEO, Sung Jong, HAN, Chang Sun, LEE, Hyemin, YOON, Hyung Ki
Принадлежит:

The present invention relates to a superabsorbent resin, which maintains excellent absorption performance and retains excellent physical properties even after being physically damaged by an external force. The superabsorbent resin comprises: a base resin powder comprising a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having an at least partially neutralized acidic group; and a surface cross-linked layer formed on the base resin powder and comprising a second cross-linked polymer obtained by additionally cross-linking the first cross-linked polymer via an alkylene carbonate having 2 to 5 carbon atoms, wherein the superabsorbent resin satisfies predetermined physical properties.

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Номер записи: 19
23-12-2015 дата публикации

PREPARATION METHOD OF SUPER ABSORBENT POLYMER AND SUPER ABSORBENT POLYMER PREPARED THEREFROM

Номер: KR1020150143167A
Автор: LEE, YONG HUN, HAN, CHANG SUN, NAM, HYE MI, RYU, DONG JO, LEE, HYE MIN
Принадлежит:

The present invention relates to a preparation method of a super absorbent polymer and a super absorbent polymer prepared therefrom. A preparation method of a super absorbent polymer, according to the present invention, is capable of manufacturing a super absorbent polymer with improved permeability while maintaining excellent absorbent properties such as retention capacity and absorbency under pressure, as well as improving productivity by having excellent operability during the manufacturing stage (particularly during the surface crosslinking stage of polymers) with little generation of coarse and fine particles. The preparation method of a super absorbent polymer comprises the steps of: forming a hydrogel polymer by thermal or photo-polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and an initiator; drying the hydrogel polymer; pulverizing the dried hydrogel polymer; and performing a surface crosslinking of the pulverized polymer and a surface ...

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Номер записи: 20
22-04-2016 дата публикации

ABSORBENT CROSSLINKED POLYMER AND ABSORBENT MATERIAL FOR OIL OR SOLVENT COMPRISING THE SAME

Номер: KR0101614845B1
Автор: 임규, 이현진, 한양규, 한장선
Принадлежит: 주식회사 엘지화학, 한양대학교 산학협력단

... 본 발명은 오일 도는 유기용매에 대한 흡착성을 갖는 가교고분자 및 이를 이용한 오일 또는 유기용매용 흡착제에 관한 것으로서, 더욱 자세하게는 가교제를 이용하여 아크릴아미드계 단량체와 방향족 비닐계 단량체를 중합한 가교고분자로서, 오일 또는 유기용매에 대한 높은 흡착성을 가지며, 다양한 온도 조건에서 사용하거나 수회 재사용시에도 흡착성이 우수하게 유지되는 흡착제에 관한 것이다.

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Номер записи: 21
17-10-2013 дата публикации

METHOD FOR PREPARING SUPERABSORBENT POLYMER

Номер: WO2013154219A1
Автор: LEEM, Gyu, KIM, Gi-Cheul, LEE, Sang-Gi, KIM, Kyu-Pal, WON, Tae-Young, HAN, Chang-Sun
Принадлежит:

The present invention relates to a method for preparing a superabsorbent polymer, and more particularly, to a method for preparing a highly absorbent polymer, comprising a step of spraying a monomer composition onto a substrate having a hydrophobic surface with a specific tan angle and performing UV polymerization in a polymerization reactor having a weakly hydrophilic surface. The method of the present invention is advantageous in that an existing monomer solution in the form of a sheet is converted into the form of particles so as to enable UV irradiation up to a deep layer, thus improving the conversion into polymers. Further, the control of the particles of prepared polymers can be easily performed in order to minimize or simplify a recirculation process, narrow the particle-size distribution, and improve uniformity, thus providing a high-quality superabsorbent polymer.

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Номер записи: 22
02-04-2015 дата публикации

METHOD FOR PREPARING SUPER ABSORBENT RESIN

Номер: WO2015047029A1
Автор: LEE, Yong Hun, HAN, Chang Sun, KIM, Mi Young
Принадлежит:

The present invention relates to a method for preparing a super absorbent resin. The method for preparing a super absorbent resin according to the present invention comprises the steps of: forming a hydrous gel phase polymer by performing thermal polymerization or photo-polymerization on a monomer composition containing a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrous gel phase polymer; pulverizing the dried polymer; mixing the pulverized polymer with a surface cross-linker and core-shell structured polymer particles; and performing a surface cross-linking reaction. According to the present invention, the polymer particles are added at the time of surface cross-linking, thereby obtaining a super absorbent resin having improved permeability.

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Номер записи: 23
28-06-2018 дата публикации

HIGHLY ABSORBENT RESIN AND METHOD FOR PRODUCING SAME

Номер: WO2018117391A1
Автор: AHN, Tae Bin, KIM, Dong Hyun, KIM, Yeon Soo, LEE, Hyun Sup, HAN, Chang Sun, LEE, Myung Han
Принадлежит:

The present invention relates to a highly absorbent resin which has excellent basic absorption capabilities and exhibits a further improved absorption speed and liquid permeability, and a method for producing the same. The highly absorbent resin comprises: a base resin powder including a first cross-linking polymer of a water-soluble ethylene-based unsaturated monomer having an acidic group of which at least a portion is neutralized; and a surface cross-linking layer formed on the base resin powder, and including a second cross-linking polymer obtained by further cross-linking the first cross-linking polymer by means of a surface cross-linking agent. The 20 cm fixed height absorption magnification (FHA) for a physiological saline (0.9 wt% sodium chloride aqueous solution) is 22.5 g/g to 29 g/g, and the flow conductivity of a physiological saline (SFC) (0.685 wt% sodium chloride aqueous solution) is equal to or greater than 35 (⋅10-7 cm3⋅ s/g). T-20, which indicates the time required for ...

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Номер записи: 24
04-08-2017 дата публикации

HIGHLY ABSORBENT RESIN ASSEMBLY PREPARING METHOD

Номер: KR1020170089817A
Автор: KIM, KYU PAL, HAN, CHANG SUN
Принадлежит:

The present invention relates to a method of preparing a highly absorbent resin assembly. According to an embodiment of the present invention, a fine powder assembly preparing method ensures an excellent coupling force between particles of the fine powder to minimize the re-cracking occurrence. The highly absorbent resin assembly preparing method includes the steps of: preparing a fine powder assembly by mixing 30 to 200 parts by weight of an aqueous solvent to 100 parts by weight of fine powder with a particle diameter of 150 μm or less obtained in a highly absorbent resin preparing process; mixing 0.5 to 30 parts by weight of aluminum sulfate with respect to 100 parts of weight of the fine powder assembly; and heating and drying the fine powder assembly mixed with the aluminum sulfate. COPYRIGHT KIPO 2017 ...

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Номер записи: 25
12-05-2017 дата публикации

METHOD FOR PREPARING HIGH-ABSORPTION RESIN

Номер: KR1020170052480A
Автор: KIM, DONG HYUN, HAN, CHANG SUN, NAM, DAE WOO
Принадлежит:

The present invention relates to a method for preparing a high-absorption resin. According to the present invention, the method for preparing a high-absorption resin comprises the following steps: forming a hydrogel-phase polymer by performing thermo-polymerization or photo-polymerization on a monomer composition including a water soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrogel-phase polymer; grinding the dried polymer; sorting the ground polymer, based on particle diameter, into fine powder having a particle diameter smaller than 150 μm and a polymer having a particle diameter of 150-850 μm; re-assembling the ground polymer by mixing 50-200 parts by weight of water at 5-30°C with respect to 100 parts by weight of the fine powder having a particle diameter of 150μm or smaller for moisturization; and surface-crosslinking the ground polymer by mixing the polymer having the particle size of 150-850 μm with the reassembled fine powder. The high-absorption ...

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Номер записи: 26
19-04-2018 дата публикации

SUPERABSORBENT POLYMER AND PREPARATION METHOD THEREFOR

Номер: WO2018070622A1
Автор: NAM, Hye Mi, LEE, Sang Gi, HWANG, Min Ho, LEE, Soo Jin, HAN, Chang Sun
Принадлежит:

The present invention relates to a superabsorbent polymer and a preparation method therefor. The superabsorbent polymer exhibits excellent absorbency properties even in swollen state, thereby enabling an excellent re-wetting inhibitory effect to be exhibited. Therefore, if the superabsorbent polymer is used, a hygienic material, such as a diaper or a sanitary napkin, capable of providing a dry feeling even after body fluids are discharged can be provided.

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Номер записи: 27
06-11-2014 дата публикации

HIGHLY ABSORBENT RESIN

Номер: WO2014178588A1
Автор: WON, Tae Young, NAM, Dae Woo, HAN, Chang Sun
Принадлежит:

The present invention relates to a highly absorbent resin wherein initial absorbency is outstanding and moisture does not seep out when pressed even after time has elapsed. By simultaneously optimising aspects such as the centrifuge retention capacity (CRC), absorption under pressure (AUP), solution permeability (SFC) and gel strength of the highly absorbent resin so as to be within a predetermined range, the present invention can improve the physical properties in a final diaper, and thus makes it possible to produce a diaper that makes use of ultra-thin-form technology.

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Номер записи: 28
20-01-2011 дата публикации

METHOD FOR PREPARING A SUPERABSORBENT POLYMER

Номер: WO2011007974A3
Автор: KIM, Gi-Cheul, LEE, Sang-Gi, KIM, Kyu-Pal, WON, Tae-Young, HAN, Chang-Sun
Принадлежит:

The present invention relates to a method for preparing a superabsorbent polymer, and more particularly, to a method for preparing a superabsorbent polymer comprising: a step of preparing a monomer composition containing a water-soluble ethylenically unsaturated monomer and non-reactive fine particles having a diameter of 20 nm to 1 mm; and a step of performing a thermal polymerization or UV polymerization process on the monomer composition. The present invention injects fine particles into the monomer to provide a passage for smoothly discharging moisture or heat from the superabsorbent polymer during or after polymerization, and thus produces a high-quality superabsorbent polymer having superior physical properties with a low moisture content and a low temperature, and reduces energy consumption during a drying process.

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Номер записи: 29
14-04-2016 дата публикации

METHOD FOR PREPARING SUPER ABSORBENT RESIN ASSEMBLY

Номер: WO2016056867A1
Автор: KIM, Kyu Pal, HAN, Chang Sun
Принадлежит:

The present invention relates to a method for preparing an absorbent resin assembly. A method for preparing a fine particle assembly, according to the present invention, enables providing an assembly that may minimize re-pulverization by having excellent binding force between the fine particles.

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Номер записи: 30
29-11-2016 дата публикации

고흡수성 수지 및 이의 제조방법

Номер: KR0101680830B1
Автор: 김미영, 한장선, 이상기
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지 및 이의 제조방법에 관한 것으로서, 보다 자세하게는 공극률과 투수성이 향상된 고흡수성 수지 및 이의 제조 방법에 관한 것이다.

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Номер записи: 31
06-01-2016 дата публикации

SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF

Номер: KR0101582241B1
Автор: 원태영, 한장선, 김기철, 이용훈, 이상기, 김규팔, 박성수, 임규
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지 및 그의 제조 방법에 관한 것이다. 보다 상세하게는 고흡수성 수지의 표면 처리시 물과, 디올 또는 글리콜계 표면가교제를 포함한 표면 처리 용액을 이용하여 고흡수성 수지에서 요구되는 전반적인 물성을 모두 만족하면서 특히 초기 흡수능 및 가압시의 흡수속도가 동시에 우수한 고흡수성 수지 및 그의 제조방법이 제공된다.

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Номер записи: 32
08-12-2016 дата публикации

고흡수성 수지의 제조 방법 및 이를 통해 제조된 고흡수성 수지

Номер: KR0101684649B1
Автор: 이용훈, 한장선, 남혜미, 류동조, 이혜민
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조 방법 및 이를 통해 제조된 고흡수성 수지에 관한 것이다. 본 발명에 따른 고흡수성 수지의 제조 방법은, 보수능 및 가압 흡수능과 같은 흡수 특성이 우수하면서도 향상된 투과도를 갖는 고흡수성 수지의 제조를 가능케 할 뿐 아니라, 제조시(특히, 중합체의 표면 가교시) 운전성이 우수하고, 큰 입자(coarse particles)와 미분(fine particles)의 생성이 적어, 우수한 생산성을 나타낼 수 있다.

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Номер записи: 33
05-07-2018 дата публикации

SUPER ABSORBENT POLYMER AND MANUFACTURING METHOD THEREFOR

Номер: WO2018124404A1
Автор: LEE, Sang Gi, NAM, Hye Mi, LEE, Soo Jin, HAN, Chang Sun, KIM, Moo Kon
Принадлежит:

A super absorbent polymer according to the present invention has an excellent discoloration resistance property even under high temperature/high humidity conditions, while maintaining excellent absorption performance, and thus can exhibit excellent performance when preferably used for hygienic materials such as diapers.

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Номер записи: 34
27-03-2017 дата публикации

고흡수성 수지의 제조 방법

Номер: KR0101720309B1
Автор: 김규팔, 한장선
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조 방법에 관한 것이다. 본 발명에 따른 고흡수성 수지의 제조 방법은, 보수능(CRC) 및 가압 흡수능(AUP)이 우수하면서도 보다 향상된 흡수 속도를 갖는 고흡수성 수지의 제공을 가능케 한다.

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Номер записи: 35
31-01-2017 дата публикации

고흡수성 수지의 제조 방법

Номер: KR0101700907B1
Автор: 정화윤, 한장선, 유철희, 김미영, 안태빈
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조 방법에 관한 것이다. 본 발명의 고흡수성 수지의 제조 방법에 따르면, 향상된 흡수 속도 및 용액 투과도를 가지면서도 보수능 또는 가압 흡수능의 저하가 없어 물성이 향상된 고흡수성 수지를 제공할 수 있다.

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Номер записи: 36
11-07-2018 дата публикации

METHOD FOR MANUFACTURING RESIN PARTICLES

Номер: KR1020180079958A
Автор: HER, EUN KYU, HAN, CHANG SUN, SHIN, BU GON, PARK, JEONG HO, LEE, SOO JIN, AHN, TAE BIN
Принадлежит:

The present invention relates to a method for manufacturing resin particles. According to the manufacturing method, cured resin particles having spherical shapes can be provided from a curable composition. The method comprises the steps of: forming droplets by dropping a curable composition on a substrate having a hemispherical engraved pattern, wherein a contact angle to water at 25°C is from 150-170°; and curing the droplets. COPYRIGHT KIPO 2018 ...

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Номер записи: 37
18-04-2016 дата публикации

METHOD FOR MANUFACTURING SUPERABSORBENT POLYMER GRANULES

Номер: KR1020160041825A
Автор: KIM, KYU PAL, HAN, CHANG SUN
Принадлежит:

The present invention relates to a method for manufacturing superabsorbent polymer granules. The method for manufacturing powder granules according to the present invention is capable of providing granules which are minimally crushed again by having excellent adhesion between powders. The method for manufacturing superabsorbent polymer granules comprises the following steps: forming powder granules by mixing powders obtained in a process of manufacturing a superabsorbent polymer, with an aqueous solvent containing metal sulfate salts; and heating and drying the powder granules. COPYRIGHT KIPO 2016 ...

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Номер записи: 38
24-07-2014 дата публикации

METHOD FOR PREPARING SUPER ABSORBENT POLYMER

Номер: WO2014112722A1
Автор: LEE, Yong Hun, HAN, Chang Sun, WON, Tae Young, NAM, Dae Woo, PARK, Sung Soo
Принадлежит:

The present invention relates to a method for preparing a super absorbent polymer. The method for preparing a super absorbent polymer according to the present invention comprises the steps of: preparing a first polymer by thermal polymerizing or photo-polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; preparing a second polymer by thermal polymerizing or photo-polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the first polymer; grinding the dried first polymer; and carrying out a cross-linking reaction with respect to the first polymer and the second polymer by mixing the ground first polymer and the second polymer which is free-swollen with a cross-linking agent solution. According to the present invention, it is possible to obtain a super absorbent polymer having high water-retaining ability and pressure absorption capacity.

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Номер записи: 39
06-01-2011 дата публикации

POLYMERIZATION REACTOR FOR PRODUCING A SUPER ABSORBENT POLYMER AND METHOD FOR PRODUCING A SUPER ABSORBENT POLYMER USING THE POLYMERIZATION REACTOR

Номер: WO2011002172A3
Автор: WON, Tae-Young, KIM, Gi-Cheul, LEE, Sang-Gi, KIM, Kyu-Pal, HAN, Chang-Sun
Принадлежит:

The present invention provides a polymerization reactor for producing a super absorbent polymer, comprising: a reaction unit; a monomer composition supply unit which is connected to the reaction unit to supply a monomer composition solution containing a monomer, a photopolymerization initiator, and a solvent; a stirring shaft arranged in the reaction unit and connected from one end of the reaction unit, at which the monomer composition supply unit is connected, to the other end of the reaction unit; a plurality of stirring blades arranged along the circumference of the stirring shaft; and a light illumination unit which illuminates light onto the monomer composition solution provided by the monomer composition supply unit. The present invention also provides a method for producing a super absorbent polymer using the polymerization reactor.

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Номер записи: 40
02-06-2016 дата публикации

METHOD FOR PREPARING SUPER-ABSORBENT RESIN AND SUPER-ABSORBENT RESIN PREPARED THEREBY

Номер: WO2016085152A1
Автор: LEE, Yong Hun, AHN, Tae Bin, HAN, Chang Sun, SEO, Sung Jong
Принадлежит:

The present invention relates to a method for preparing a super-absorbent resin. The method for preparing a super-absorbent according to the present invention can produce a super-absorbent resin, which has a fast absorption rate and high permeability while having excellent absorption characteristics, such as water retention capacity and absorbency under pressure, by using a polycarboxylic acid-based copolymer at the time of polymerization of a hydrous gel phase polymer.

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Номер записи: 41
12-07-2018 дата публикации

METHOD FOR MANUFACTURING RESIN PARTICLES

Номер: WO2018128279A1
Автор: HER, Eun Kyu, HAN, Chang Sun, SHIN, Bu Gon, PARK, Jeong Ho, LEE, Soo Jin, AHN, Tae Bin
Принадлежит:

The present invention relates to a method for manufacturing resin particles. According to the manufacturing method, cured resin particles having a spherical shape can be provided by using a curable composition.

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Номер записи: 42
24-04-2017 дата публикации

HIGH ABSORPTIVE RESIN ASSEMBLY, AND METHOD FOR PRODUCING SAME

Номер: KR1020170043838A
Автор: NAM, DAE WOO, LEE, KYUNG MOO, LEE, JAE HONG, HAN, CHANG SUN
Принадлежит:

The present invention relates to a method for producing a high absorptive resin assembly, and to a high absorptive resin assembly produced through the same. More specifically, the method according to the present invention comprises the steps of: producing a water-containing gel-phase polymer by thermally polymerizing or optically polymerizing a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying and pulverizing the water-containing gel-phase polymer; distributing the pulverized polymer to first fine powder having a particle size of 150 μm or less and a base resin having a particle size of 150 to 850 μm, inclusive; cross-linking the surface of the base resin; separating second fine powder having a particle size of 150 μm or less by distributing the base resin having the cross-linked surface; and producing a fine powder assembly by mixing the first fine powder, the second fine powder, and silica in a wet state. COPYRIGHT ...

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Номер записи: 43
01-04-2010 дата публикации

LATEX RESIN COMPOSITION FOR RUBBER GLOVES, CONTAINING NEITHER SULFUR NOR A VULCANIZATION ACCELERATOR, AND METHOD FOR PRODUCING A DIP MOLD USING THE COMPOSITION

Номер: WO2010035955A3
Автор: KIM, Byoung Yun, HAN, Jung Su, CHOI, Ho Yeul, YANG, Seung Hun, KIM, Jung Eun, HAN, Chang Sun
Принадлежит:

Provided are a latex resin composition for rubber gloves, containing neither sulfur nor a vulcanization accelerator, and a method for producing a dip mold using the composition. The composition comprises conjugated diene monomers, ethylentically unsaturated nitrile monomers, ethylentically unsaturated acid monomers, ethylentically unsaturated monomers copolymerizable with the ethylentically unsaturated nitrile monomers and with the ethylentically unsaturated acid monomers, and reactive compounds containing two or more reactive groups. The method of the present invention eliminates a long maturation process in a glove production process to improve productivity, and provides rubber gloves with excellent physical properties while reducing side effects caused by sulfur or vulcanization accelerators used in conventional methods.

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Номер записи: 44
01-04-2010 дата публикации

LATEX RESIN COMPOSITION FOR RUBBER GLOVES, CONTAINING NEITHER SULFUR NOR A VULCANIZATION ACCELERATOR, AND METHOD FOR PRODUCING A DIP MOLD USING THE COMPOSITION

Номер: KR2010035955A2
Автор: KIM, Byoung Yun, HAN, Jung Su, CHOI, Ho Yeul, YANG, Seung Hun, KIM, Jung Eun, HAN, Chang Sun
Принадлежит:

Provided are a latex resin composition for rubber gloves, containing neither sulfur nor a vulcanization accelerator, and a method for producing a dip mold using the composition. The composition comprises conjugated diene monomers, ethylentically unsaturated nitrile monomers, ethylentically unsaturated acid monomers, ethylentically unsaturated monomers copolymerizable with the ethylentically unsaturated nitrile monomers and with the ethylentically unsaturated acid monomers, and reactive compounds containing two or more reactive groups. The method of the present invention eliminates a long maturation process in a glove production process to improve productivity, and provides rubber gloves with excellent physical properties while reducing side effects caused by sulfur or vulcanization accelerators used in conventional methods.

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Номер записи: 45
02-06-2016 дата публикации

METHOD FOR PREPARING SUPERABSORBENT POLYMER AND SUPERABSORBENT POLYMER PREPARED THEREBY

Номер: WO2016085123A1
Автор: LEE, Yong Hun, AHN, Tae Bin, HAN, Chang Sun, JUNG, Hwa Yoon
Принадлежит:

The present invention relates to a method for preparing a superabsorbent polymer. According to the present invention, the method for preparing a superabsorbent polymer can prepare a superabsorbent polymer having a fast absorption rate and a high-pressure absorption characteristic, by using a polycarboxylic acid-based copolymer when pulverizing a hydrogel.

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Номер записи: 46
02-04-2015 дата публикации

METHOD FOR PREPARING SUPER ABSORBENT RESIN

Номер: WO2015047029A8
Автор: LEE, Yong Hun, HAN, Chang Sun, KIM, Mi Young, LEE, Sang-Gi
Принадлежит:

The present invention relates to a method for preparing a super absorbent resin. The method for preparing a super absorbent resin according to the present invention comprises the steps of: forming a hydrous gel phase polymer by performing thermal polymerization or photo-polymerization on a monomer composition containing a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the hydrous gel phase polymer; pulverizing the dried polymer; mixing the pulverized polymer with a surface cross-linker and core-shell structured polymer particles; and performing a surface cross-linking reaction. According to the present invention, the polymer particles are added at the time of surface cross-linking, thereby obtaining a super absorbent resin having improved permeability.

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Номер записи: 47
20-01-2011 дата публикации

METHOD FOR PREPARING A SUPERABSORBENT POLYMER

Номер: WO2011007974A2
Автор: KIM, Gi-Cheul, LEE, Sang-Gi, KIM, Kyu-Pal, WON, Tae-Young, HAN, Chang-Sun
Принадлежит:

The present invention relates to a method for preparing a superabsorbent polymer, and more particularly, to a method for preparing a superabsorbent polymer comprising: a step of preparing a monomer composition containing a water-soluble ethylenically unsaturated monomer and non-reactive fine particles having a diameter of 20 nm to 1 mm; and a step of performing a thermal polymerization or UV polymerization process on the monomer composition. The present invention injects fine particles into the monomer to provide a passage for smoothly discharging moisture or heat from the superabsorbent polymer during or after polymerization, and thus produces a high-quality superabsorbent polymer having superior physical properties with a low moisture content and a low temperature, and reduces energy consumption during a drying process.

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Номер записи: 48
11-05-2017 дата публикации

METHOD FOR PREPARING SUPER-ABSORBENT RESIN AND SUPER-ABSORBENT RESIN PREPARED THEREBY

Номер: WO2017078228A1
Автор: LEE, Yong Hun, YOON, Hyung Ki, HAN, Chang Sun, SOHN, Jung Min
Принадлежит:

The present invention relates to a method for preparing a super-absorbent resin and a super-absorbent resin prepared thereby. The method for preparing a super-absorbent resin according to the present invention can provide a super-absorbent resin having excellent absorption properties and permeability, by preventing resin particles from being broken or suffering from surface damage in the process of preparing and handling the super-absorbent resin.

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Номер записи: 49
14-04-2016 дата публикации

METHOD FOR PREPARING SUPER ABSORBENT RESIN

Номер: WO2016056866A1
Автор: KIM, Kyu Pal, HAN, Chang Sun
Принадлежит:

The present invention relates to a method for preparing a super absorbent resin. The method for preparing a super absorbent resin, according to the present invention, enables providing a super absorbent resin having excellent centrifuge retention capacity (CRC) and absorption under pressure (AUP), and also a more improved absorbing speed.

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Номер записи: 50
18-06-2015 дата публикации

METHOD FOR PREPARING SUPER-ABSORBENT RESIN

Номер: WO2015088200A1
Автор: JUNG, Hwa Yoon, HAN, Chang Sun, RYU, Chul Hee, KIM, Mi Young
Принадлежит:

The present invention relates to a method for preparing a super-absorbent resin. According to the method for preparing a super-absorbent resin, a super-absorbent resin which has an improved absorption rate and solution permeability, no deterioration in water retaining capacity or pressurized absorptive capacity, and improved physical properties can be provided.

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Номер записи: 51
22-05-2014 дата публикации

SUPER ABSORBENT POLYMER

Номер: WO2014077517A1
Автор: LEE, Hye Min, HAN, Chang Sun, WON, Tae Young
Принадлежит:

The present invention relates to a super absorbent polymer. Provided according to the present invention is a super absorbent polymer which exhibits an improved absorbent capacity and water holding capacity as a (meth)acrylated polyalkylene glycol is present on a cross-linked polymer which is internally cross-linked in a surface cross-linked layer of the super absorbent polymer.

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Номер записи: 52
21-12-2020 дата публикации

SUPER ABSORBENT POLYMER AND PREPARATION METHOD FOR THE SAME

Номер: KR102193459B1
Автор: 손정민, 이혜민, 한장선
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지 및 이의 제조 방법에 관한 것이다. 본 발명의 고흡수성 수지의 제조 방법에 따르면, 향상된 흡수능과 투과도를 갖는 고흡수성 수지를 제조할 수 있다.

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Номер записи: 53
13-01-2016 дата публикации

PREPARATION METHOD FOR SUPER ABSORBENT POLYMER

Номер: KR0101584719B1
Автор: 김규팔, 한장선, 김기철, 유철희
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조 방법에 관한 것이다. 본 발명에 따른 고흡수성 수지의 제조 방법은 수용성 에틸렌계 불포화 단량체 및 중합개시제를 포함하는 모노머 조성물에 열중합 또는 광중합을 진행하여 함수겔상 중합체를 형성하는 단계; 상기 함수겔상 중합체를 건조하는 단계; 상기 건조된 중합체를 분쇄하는 단계; 및 분쇄된 중합체에 표면 가교제 및 나노 튜브형태의 알루미노 규산염을 첨가하여 표면 가교 반응을 수행하는 단계를 포함한다. 본 발명에 따르면, 표면 가교시 나노 튜브형태의 알루미노 규산염을 첨가하여 향상된 투과율을 갖는 고흡수성 수지를 수득할 수 있다.

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Номер записи: 54
01-12-2011 дата публикации

CRUSHING APPARATUS FOR A SUPERABSORBENT POLYMER, AND METHOD FOR PRODUCING A SUPERABSORBENT POLYMER USING SAME

Номер: WO2011149313A2
Автор: KIM, Gi-Cheul, HAN, Chang-Sun, LEE, Sang-Gi, KIM, Kyu-Pal, PARK, Sung-Soo, BAE, Jin-Hyun, WON, Tae-Young, LEEM, Gyu
Принадлежит:

The present invention relates to a crushing apparatus for a superabsorbent polymer, comprising: an inlet unit through which a plate-type superabsorbent polymer is fed; a crushing unit which crushes the superabsorbent polymer fed through the inlet unit; and a discharge unit which discharges the superabsorbent polymer crushed by the crushing unit. The crushing unit includes: a rotating drum on which a plurality of rotating blades are attached; one or more fixed blades which cooperate with the plurality of rotating blades to crush the superabsorbent polymer; and a housing in which the rotating drum and one or more fixed blades are arranged. The present invention also relates to a method for producing a superabsorbent polymer using the above-described crushing apparatus for a superabsorbent polymer.

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Номер записи: 55
20-07-2018 дата публикации

고흡수성 수지의 제조 방법 및 이를 통해 제조된 고흡수성 수지

Номер: KR0101880218B1
Автор: 이용훈, 윤형기, 한장선, 손정민
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조 방법 및 이를 통해 제조된 고흡수성 수지에 관한 것이다. 본 발명에 따른 고흡수성 수지의 제조 방법은 고흡수성 수지의 제조 및 취급 과정 중에 수지 입자들이 깨지거나 표면이 손상되는 것을 방지함으로써, 우수한 흡수 특성과 투과도를 갖는 고흡수성 수지의 제공을 가능케 한다.

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Номер записи: 56
20-09-2017 дата публикации

METHOD FOR PREPARING SUPER ABSORBENT POLYMER, AND SUPER ABSORBENT POLYMER

Номер: KR1020170106156A
Автор: YOON, HYUNG KI, NAM, DAE WOO, LEE, HYE MIN, HAN, CHANG SUN, SEO, SUNG JONG
Принадлежит:

The present invention relates to a method for preparing a super absorbent polymer maintaining excellent absorption performance and showing improved flowage and absorption speed. The method for preparing a super absorbent polymer comprises the following steps: cross-linking a water soluble ethylene-based unsaturated monomer having an acid group of which at least part is neutralized in the presence of an internal cross-linking agent, and forming a hydrogel polymer including the cross-linked polymer; drying, grinding and distributing the hydrogel polymer and forming base resin powder; and cross-linking surface of the base resin powder using a surface cross-linking liquid including a surface cross-linking agent of alkylene carbonate having 2 to 5 carbon atoms in the presence of hydrophobic silica particles having a contact angle of more than 10° and less than or equal to 150° against water, and hydrophilic silica particles having a contact angle of less than or equal to 10° against water. COPYRIGHT ...

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Номер записи: 57
17-02-2016 дата публикации

PREPARATION METHOD FOR SUPER ABSORBENT POLYMER

Номер: KR0101595037B1
Автор: 이용훈, 한장선, 원태영, 남대우, 박성수
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조 방법에 관한 것이다. 본 발명의 고흡수성 수지의 제조 방법은 수용성 에틸렌계 불포화 단량체 및 중합개시제를 포함하는 모노머 조성물에 열중합 또는 광중합을 진행하여 제1 중합체를 형성하는 단계; 수용성 에틸렌계 불포화 단량체 및 중합개시제를 포함하는 모노머 조성물에 열중합 또는 광중합을 진행하여 제2 중합체를 형성하는 단계; 상기 제1 중합체를 건조하는 단계; 건조된 상기 제1 중합체를 분쇄하는 단계; 및 분쇄된 상기 제1 중합체와, 가교제 용액으로 자유 팽윤시킨 제2 중합체를 혼합하여 상기 제1 중합체 및 제2 중합체에 대해 가교 반응시키는 단계를 포함한다. 본 발명에 따르면, 높은 보수능 및 가압 흡수능을 갖는 고흡수성 수지를 수득할 수 있다.

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Номер записи: 58
14-09-2017 дата публикации

METHOD FOR PREPARING SUPERABSORBENT RESIN, AND SUPERABSORBENT RESIN

Номер: WO2017155197A1
Автор: YOON, Hyung Ki, NAM, Dae Woo, LEE, Hyemin, HAN, Chang Sun, SEO, Sung Jong
Принадлежит:

The present invention relates to a method for preparing a superabsorbent resin, which maintains excellent absorption performance and exhibits improved liquid permeability and absorption rate. The method for preparing a superabsorbent resin may comprise the steps of: performing cross-linking polymerization on a water-soluble ethylenically unsaturated monomer having an at least partially neutralized acidic group to form a hydrogel polymer comprising a cross-linked polymer, in the presence of an internal cross-linking agent; drying, pulverizing, and classifying the hydrogel polymer to form a base resin powder; and performing surface cross-linking on the base resin powder by using a surface cross-linking liquid containing a surface cross-linking agent of an alkylene carbonate having 2 to 5 carbon atoms, in the presence of hydrophobic silica particles having a contact angle of greater than 10° and smaller than or equal to 150° with respect to water and hydrophilic silica particles having a contact ...

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Номер записи: 59
11-05-2017 дата публикации

METHOD FOR PREPARING SUPERABSORBENT POLYMER

Номер: WO2017078369A1
Автор: KIM, Dong Hyun, HAN, Chang Sun, NAM, Dae Woo
Принадлежит:

The present invention relates to a method for preparing a superabsorbent polymer. Specifically, according to the present invention, the method for preparing a superabsorbent polymer comprises the steps of: forming a hydrogel polymer by carrying out thermal polymerization or photopolymerization of a monomer composition containing a water-soluble ethylenically unsaturated monomer and a polymerization initiator; drying the hydrogel polymer; pulverizing the dried polymer; classifying, according to a diameter, the pulverized polymer into a fine powder having a diameter less than 150 μm and a polymer having a diameter of 150-850 μm; carrying out wet-regranulation by mixing 50-200 parts by weight of water of 5-30°C on the basis of 100 parts by weight of the fine powder having a diameter less than 150 μm; and carrying out surface cross-linking by mixing the polymer having a diameter of 150-850 μm and the regranulated fine powder, thereby enabling a superabsorbent polymer having high fine powder ...

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Номер записи: 60
11-02-2019 дата публикации

고흡수성 수지의 제조 방법

Номер: KR1020190012809A
Автор: 정웅찬, 한장선, 김찬중, 최재훈, 최동철, 김현희
Принадлежит:

... 본 발명은 고흡수성 수지의 제조 방법에 관한 것이다. 본 발명에 따르면, 우수한 모폴로지를 갖는 고흡수성 수지를 단순한 공정과 고효율로 제조할 수 있다.

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Номер записи: 61
16-06-2015 дата публикации

SUPER ABSORBENT POLYMER RESIN AND MANUFACTURING METHOD THEREOF

Номер: KR1020150066454A
Автор: KIM, MI YOUNG, HAN, CHANG SUN, LEE, SANG GI
Принадлежит:

The present invention relates to a super absorbent polymer and a manufacturing method thereof, and more specifically, to a super absorbent polymer having improved porosity and water permeability, and to a manufacturing method thereof. The super absorbent polymer comprises: super absorbent polymer particles having more than or equal to 5000 Pa of gel intensity; and inorganic particles coated on surfaces of the super absorbent polymer particles. COPYRIGHT KIPO 2015 ...

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Номер записи: 62
03-07-2018 дата публикации

SUPER ABSORBENT POLYMER AND PREPARATION METHOD OF SAME

Номер: KR1020180074385A
Автор: AHN, TAE BIN, KIM, DONG HYUN, KIM, YEON SOO, LEE, HYUN SUP, HAN, CHANG SUN, LEE, MYUNG HAN
Принадлежит:

The present invention relates to a super absorbent polymer which is excellent in basic absorption capacity, while showing improved absorption rate, liquid permeability, and the like, and a preparation method of the same. The super absorbent polymer comprises: a base polymer powder containing a first crosslinked polymer of a water-soluble ethylene-based unsaturated monomer having an acid group in which at least a part thereof is neutralized; and a surface-crosslinked layer containing a second crosslinked polymer formed on the base polymer powder in which the first crosslinked polymer is additionally crosslinked via a surface crosslinking agent. In particular, the super absorbent polymer has a fixed height absorption (FHA) for a physiological saline solution (0.9 wt% aqueous sodium chloride solution), of 22.5-29 g/g; has a saline flow conductivity (SFC) for a physiological saline solution (0.685 wt % aqueous sodium chloride solution), of 35 (·10^(-7)cm^3·s/g) or more; and has T-20 indicating ...

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Номер записи: 63
31-10-2013 дата публикации

SUPER ABSORBENT POLYMER AND METHOD FOR MANUFACTURING SAME

Номер: WO2013162255A3
Автор: WON, Tae-Young, HAN, Chang-Sun, KIM, Gi-Cheul, LEE, Yong-Hun, LEE, Sang-Gi, KIM, Kyu-Pal, PARK, Sung-Soo, LEEM, Gyu
Принадлежит:

The present invention relates to a super absorbent polymer and to a method for manufacturing same. More particularly, a super absorbent polymer and a method for manufacturing same are provided, wherein the super absorbent polymer uses a surface treating solution that includes water and diol or a glycol-based surface cross-linking agent during the surface treatment of the super absorbent polymer, satisfies all the combined physical properties required of a super absorbent polymer, and is especially effective in both initial absorbency and absorbing rate when pressed.

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Номер записи: 64
22-05-2014 дата публикации

METHOD FOR PREPARING SUPER ABSORBENT RESIN, AND SUPER ABSORBENT RESIN PREPARED BY SAME

Номер: WO2014077612A1
Автор: LEE, Yong Hun, KIM, Kyu Pal, HAN, Chang Sun, KIM, Gi Cheul, RYU, Chul Hee
Принадлежит:

The present invention relates to a method for preparing a super absorbent resin and to a super absorbent resin prepared by same. The method for preparing a super absorbent resin according to the present invention, comprises the steps of: performing thermal polymerization or photopolymerization on a monomer composition comprising water soluble ethylene-based unsaturated monomers and a polymerization initiator so as to prepare a first hydrogel polymer; performing thermal polymerization or photopolymerization on the monomer composition comprising water soluble ethylene-based unsaturated monomers and the polymerization initiator so as to prepare a second hydrogel polymer; drying and grinding the first hydrogel polymer and classifying the ground first hydrogel polymer into fine powder having a particle diameter of 150 µm or less and base resin having a particle diameter of 150 µm to 850 µm; mixing the fine powder and the second hydrogel polymer so as to prepare fine powder reassortants; and ...

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Номер записи: 65
20-04-2017 дата публикации

SUPER ABSORBENT RESIN ASSEMBLY AND METHOD FOR PREPARING SAME

Номер: WO2017065426A1
Автор: NAM, Dae Woo, LEE, Kyung Moo, LEE, Jae Hong, HAN, Chang Sun
Принадлежит:

The present invention relates to a method for preparing a super absorbent resin assembly and a super absorbent resin assembly prepared by means of same. More particularly, a method for preparing a super absorbent resin according to the present invention comprises the steps of: forming hydrous gel polymer by means of thermal polymerization or photopolymerization on a monomer composition comprising a polymerization initiator and water-soluble ethylene unsaturated monomer; drying and grinding the hydrous gel polymer; classifying the ground polymer into first fines, of which the particle size is 150 μm or smaller, and a base resin of which the particle size is from 150 μm to 850 μm; surface cross-linking the base resin; separating second fines, of which the particle size is 150 μm or smaller, by means of classifying the surface cross-linked base resin; and forming a fine particle assembly by means of mixing the first fines, the second fines and silica in a wet state.

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Номер записи: 66
28-06-2018 дата публикации

SUPERABSORBENT RESIN AND MANUFACTURING METHOD THEREOF

Номер: KR1020180071933A
Автор: SOHN, JUNG MIN, LEE, HYE MIN, HAN, CHANG SUN
Принадлежит:

The present invention relates to a superabsorbent resin and to a manufacturing method thereof. According to the method for manufacturing the superabsorbent resin of the present invention, the superabsorbent resin having improved absorption capacity and permeability can be manufactured. COPYRIGHT KIPO 2018 ...

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Номер записи: 67
01-12-2011 дата публикации

CRUSHING APPARATUS FOR A SUPERABSORBENT POLYMER, AND METHOD FOR PRODUCING A SUPERABSORBENT POLYMER USING SAME

Номер: WO2011149313A3
Автор: KIM, Gi-Cheul, HAN, Chang-Sun, LEE, Sang-Gi, KIM, Kyu-Pal, PARK, Sung-Soo, BAE, Jin-Hyun, WON, Tae-Young, LEEM, Gyu
Принадлежит:

The present invention relates to a crushing apparatus for a superabsorbent polymer, comprising: an inlet unit through which a plate-type superabsorbent polymer is fed; a crushing unit which crushes the superabsorbent polymer fed through the inlet unit; and a discharge unit which discharges the superabsorbent polymer crushed by the crushing unit. The crushing unit includes: a rotating drum on which a plurality of rotating blades are attached; one or more fixed blades which cooperate with the plurality of rotating blades to crush the superabsorbent polymer; and a housing in which the rotating drum and one or more fixed blades are arranged. The present invention also relates to a method for producing a superabsorbent polymer using the above-described crushing apparatus for a superabsorbent polymer.

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Номер записи: 68
11-06-2015 дата публикации

HIGH ABSORBABLE RESIN AND METHOD FOR MANUFACTURING SAME

Номер: WO2015083999A1
Автор: KIM, Mi-Young, HAN, Chang-Sun, LEE, Sang-Gi
Принадлежит:

The present invention relates to a high absorbable resin and a method for manufacturing the same and, more particularly, to a high absorbable resin having improved porosity and improved permeability and a method for manufacturing the same.

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Номер записи: 69
09-05-2019 дата публикации

SUPER ABSORBENT POLYMER NONWOVEN FABRIC AND MANUFACTURING METHOD THEREFOR

Номер: WO2019088597A1
Автор: KIM, Chanjoong, JEONG, Woongchan, HAN, Chang Sun, CHOE, Jae Hoon, AHN, Taebin, LEE, Chang Hun
Принадлежит:

The present invention relates to a method for manufacturing a super absorbent polymer nonwoven fabric and a super absorbent polymer fiber manufactured thereby. According to the manufacturing method of the present invention, a super absorbent polymer fiber can be provided in a filament form showing high flexibility and a rapid absorption rate.

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Номер записи: 70
24-08-2017 дата публикации

SUPERABSORBENT RESIN

Номер: WO2017142204A1
Автор: NAM, Dae Woo, HAN, Chang Sun, LEE, Hyemin, JUNG, Hwayoon, YOON, Hyung Ki
Принадлежит:

The present invention relates to a superabsorbent resin exhibiting a more improved liquid permeability and/or absorption rate while maintaining an excellent absorption performance. The superabsorbent resin contains: a base resin powder comprising a first cross-linked polymer of a water-soluble ethylene-based unsaturated monomer having an acidic group, of which at least a part is neutralized; and a surface cross-linked layer formed on the base resin powder and comprising a second cross-linked polymer, the second cross-linked polymer being obtained by further cross-linking the first cross-linked polymer via an alkylene carbonate having 2 to 5 carbon atoms. The superabsorbent satisfies predetermined physical properties.

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Номер записи: 71
12-07-2012 дата публикации

COATED PAPER HAVING A COATED STRUCTURE IN WHICH THE LATEX DISTRIBUTION IS CONTROLLED AND A PRODUCTION METHOD THEREFOR

Номер: WO2012093756A1
Автор: YEU, Seung-Uk, HAN, Chang-Sun, LEE, Young-Min, KIM, Byoung-Yun
Принадлежит:

The present invention relates to: a coated paper having a coated structure in which the styrene-butadiene latex distribution in paper-coating layers is controlled in order to improve fold cracking in the coated paper; and a production method therefor. More specifically, the present invention relates to: a coated paper which markedly reduces fold cracking of the coated paper by respectively distributing styrene-butadiene copolymer latexes having different glass-transition temperatures and particle sizes in specific areas of paper-coating layers; and a production method therefor. The paper coating structure provided by the present invention is obtained by distributing a latex having a particle size of between 70 and 120 nm and a glass transition point of between 10 and 30°C in a coating layer nearer the base paper, and distributing a latex having a particle size of between 120 and 200 nm and a glass transition point of between -30 and 0°C in a coating layer further away. When latexes of different ...

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Номер записи: 72
02-08-2018 дата публикации

METHOD FOR PREPARING SUPERABSORBENT POLYMER

Номер: WO2018139768A1
Автор: KIM, Dong Hyun, AHN, Tae Bin, LEE, Jun Wye, HAN, Chang Sun
Принадлежит:

The present invention relate to a method for preparing a superabsorbent polymer. The method for preparing a superabsorbent polymer, according to the present invention, allows a superabsorbent polymer having an excellent absorption coefficient, absorption rate, and permeability to be provided.

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Номер записи: 73
24-10-2016 дата публикации

고흡수성 수지의 제조 방법

Номер: KR0101668856B1
Автор: 남대우, 한장선, 유철희, 이혜민, 정화윤
Принадлежит: 주식회사 엘지화학

... 본 발명은 용액 투과성이 우수한 고흡수성 수지의 제조 방법에 관한 것이다. 구체적으로 고흡수성 수지 제조시 표면 가교제의 잔류량 또는 이로부터 유래한 분해물의 잔류량을 최소화하여 용액 투과성을 향상시켜 물성 저하를 방지하는 고흡수성 수지의 제조방법이 제공된다.

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Номер записи: 74
04-08-2016 дата публикации

고흡수성 수지

Номер: KR0101645684B1
Автор: 원태영, 남대우, 이혜민, 한장선
Принадлежит: 주식회사 엘지화학

... 본 발명은 초기 흡수성이 우수하고 시간 경과후에도 가압시 수분이 베어나오지 않는 고흡수성 수지에 관한 것으로, 고흡수성 수지의 원심분리 보수능(CRC), 가압 흡수능(AUP), 및 가압 통액성(PDAUP)과 그의 표준편차 등을 소정의 범위로 동시에 최적화함으로써, 최종 기저귀에서의 물성향상이 가능하고, 이를 통해 초박형 기술이 적용된 기저귀를 제조할 수 있다.

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Номер записи: 75
01-06-2015 дата публикации

MANUFACTURING METHOD OF SUPER ABSORBENT POLYMER

Номер: KR1020150059454A
Автор: NAM, DAE WOO, HAN, CHANG SUN, RYU, CHUL HEE, LEE, HYE MIN, JUNG, HWA YOON
Принадлежит:

The present invention relates to a manufacturing method of a super absorbent resin, which has a good solution permeability and, more specifically, a manufacturing method of a super absorbent resin, which is allowed to minimize residual amounts of surface cross-linking agents or decomposed material therefrom, when manufacturing super absorbent resins, and accordingly improves solution permeability, thereby manufacturing super absorbent resins for preventing physical properties from decreasing. COPYRIGHT KIPO 2015 ...

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Номер записи: 76
20-09-2017 дата публикации

SUPER ABSORBENT POLYMER

Номер: KR1020170106157A
Автор: SEO, SUNG JONG, HAN, CHANG SUN, LEE, HYE MIN, YOON, HYUNG KI
Принадлежит:

The present invention relates to a super absorbent polymer which maintains excellent properties after being physically damaged by external force while maintaining excellent absorbing performance. The super absorbent polymer comprises: base resin powder including a first crosslinking polymer of a water soluble ethylene-based unsaturated monomer having a partially neutralized acid group; and a surface crosslinking layer formed on the base resin powder, and including a second crosslinking polymer additionally crosslinking the first crosslinking polymer by using alkylene carbonate having a carbon number of 2-5 as a medium. The super absorbent polymer satisfies predetermined properties. COPYRIGHT KIPO 2017 ...

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Номер записи: 77
17-12-2015 дата публикации

METHOD FOR MANUFACTURING HIGH ABSORBENCY RESIN AND HIGH ABSORBENCY RESIN MANUFACTURED THROUGH SAME

Номер: WO2015190878A1
Автор: LEE, Yong Hun, HAN, Chang Sun, NAM, Hye Mi, RYU, Dong Jo, LEE, Hyemin
Принадлежит:

The present invention relates to a method for manufacturing a high absorbency resin and a high absorbency resin manufactured through same. The method for manufacturing the high absorbency resin according to the present invention not only allows the manufacturing of high absorbency resin having excellent absorption characteristics, such as water-holding capacity and pressurized absorption capacity, and having improved permeability, but may also exhibit excellent productivity due to excellent operability and less formation of coarse particles and fine particles during manufacturing (particularly, during the surface crosslinking of polymers).

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Номер записи: 78
05-07-2018 дата публикации

SUPER-ABSORBENT RESIN AND MANUFACTURING METHOD THEREOF

Номер: KR1020180076272A
Автор: LEE, SANG GI, NAM, HYE MI, LEE, SOO JIN, HAN, CHANG SUN, KIM, MOO KON
Принадлежит:

A superabsorbent resin according to the present invention is excellent in discoloration resistance characteristics even under high temperature/high humidity conditions while maintaining excellent absorption performance, and is suitably used for sanitary materials such as diapers to exhibit excellent performance. The superabsorbent resin comprises: a base resin powder comprising a first crosslinked polymer of a water soluble ethylenically unsaturated monomer having at least partly neutralized acidic groups; and a surface crosslinked layer formed on the base resin powder and comprising a second crosslinked polymer which is further crosslinked via a surface crosslinking agent. COPYRIGHT KIPO 2018 ...

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Номер записи: 79
07-06-2016 дата публикации

PREPARATION METHOD OF SUPERABSORBENT RESIN AND SUPERABSORBENT RESIN PREPARED USING SAME

Номер: KR1020160063981A
Автор: LEE, YONG HUN, AHN, TAE BIN, HAN, CHANG SUN, SEO, SUNG JONG
Принадлежит:

The present invention relates to a preparation method of a superabsorbent resin. The preparation method of a superabsorbent resin uses a polycarboxylic acid-based copolymer when polymerizing a polymer hydrogel, and can prepare a superabsorbent resin having a fast absorption rate and high permeability while having excellent absorbent characteristics such as moisture-retaining capacity and absorptivity under pressure. COPYRIGHT KIPO 2016 ...

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Номер записи: 80
08-10-2015 дата публикации

PREPARATION METHOD FOR SUPER ABSORBENT POLYMER AND SUPER ABSORBENT POLYMER PREPARED THEREFROM

Номер: KR0101559081B1
Автор: 이용훈, 김규팔, 한장선, 김기철, 유철희
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조 방법 및 이로부터 제조되는 고흡수성 수지에 관한 것이다. 본 발명에 따른 고흡수성 수지의 제조 방법은 수용성 에틸렌계 불포화 단량체 및 중합개시제를 포함하는 모노머 조성물에 열중합 또는 광중합을 진행하여 함수겔상 제 1 중합체를 형성하는 단계; 수용성 에틸렌계 불포화 단량체 및 중합개시제를 포함하는 모노머 조성물에 열중합 또는 광중합을 진행하여 함수겔상 제 2 중합체를 형성하는 단계; 상기 함수겔상 제 1 중합체를 건조 및 분쇄하여 150㎛ 미만의 입경을 갖는 미분 및 150㎛ 내지 850㎛의 입경을 갖는 베이스 수지로 분급하는 단계; 상기 미분과, 상기 함수겔상 제 2 중합체를 혼합하여 미분 재조립체를 형성하는 단계; 및 상기 미분 재조립체를 상기 함수겔상 제 1 중합체와 혼합하여 건조 및 분쇄하는 단계를 포함하며, 상기 제 2 중합체는 상기 제 1 중합체보다 높은 보수능을 갖는다. 본 발명에 따르면, 가압 흡수능과 투과성 저하없이 높은 보수능 및 미분 응집 강도를 갖는 고흡수성 수지를 수득할 수 있다.

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Номер записи: 81
11-11-2022 дата публикации

고흡수성 수지 부직포 및 이의 제조 방법

Номер: KR102466378B1
Автор: 김찬중, 정웅찬, 한장선, 최재훈, 안태빈, 이창훈
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지 부직포의 제조 방법 및 이로부터 제조된 고흡수성 수지 섬유에 관한 것이다. 본 발명의 제조방법에 따르면 장섬유 형태로 높은 가요성 및 빠른 흡수 속도를 나타내는 고흡수성 수지 섬유를 제공할 수 있다.

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Номер записи: 82
28-06-2018 дата публикации

SUPERABSORBENT POLYMER AND METHOD FOR PRODUCING SAME

Номер: WO2018117413A1
Автор: SOHN, Jung Min, LEE, Hyemin, HAN, Chang Sun
Принадлежит:

The present invention relates to a superabsorbent polymer and a method for producing the same. According to the method for producing a superabsorbent polymer of the present invention, a superabsorbent polymer having an improved absorption capacity and permeability can be produced.

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Номер записи: 83
30-06-2017 дата публикации

고흡수성 수지의 제조 방법 및 이를 통해 제조된 고흡수성 수지

Номер: KR0101752384B1
Автор: 이용훈, 안태빈, 한장선, 정화윤
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지의 제조방법에 관한 것으로, 본 발명에 따른 고흡수성 수지의 제조 방법은 함수겔 분쇄시 폴리카르복시산계 공중합체를 사용함으로써 빠른 흡수 속도 및 높은 가압 흡수 특성을 가지는 고흡수성 수지를 제조할 수 있다.

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Номер записи: 84
14-06-2016 дата публикации

SUPERABSORBENT RESIN AND MANUFACTURING METHOD THEREOF

Номер: KR1020160067725A
Автор: NAM, DAE WOO, HAN, CHANG SUN, LEE, HYE MIN, KIM, DONG HYUN
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The present invention relates to a superabsorbent resin, and a manufacturing method thereof. By adjusting a degree of surface crosslinking in a base resin, the superabsorbent resin can have excellent solution permeability, and can exhibit high retention capacity and absorbency under pressure. The superabsorbent resin of the present invention comprises an acid group, and a crosslinked polymer which includes the acid group and is prepared by surface crosslinking the base resin. The base resin is prepared by polymerizing a water soluble ethylene-based unsaturated monomer of which at least a part of the acid group is neutralized. COPYRIGHT KIPO 2016 ...

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Номер записи: 85
08-02-2017 дата публикации

SUPER ABSORBENT POLYMER

Номер: KR101704789B1
Автор: AHN, TAE BIN, HAN, CHANG SUN, HONG, SEUNG DO, RYU, CHUL HEE, KIM, DONG HYUN
Принадлежит: LG CHEM, LTD.

The present invention relates to a super absorbent polymer comprising: base resin powder comprising a first cross-linking polymer of a water-soluble ethylene unsaturated monomer having an acid group of which at least part is neutralized; and a surface cross-linking layer formed on the base resin powder and comprising a second cross-linking polymer in which the first cross-linking polymer is additionally cross-linked through a surface cross-linking agent. The super absorbent resin has excellent absorption scale factors, absorption speed and flowage and has excellent various psychical properties required for the super absorbent resin, thereby being used for hygienic materials such as diaper or the like, specially a ultra-thin hygienic material. COPYRIGHT KIPO 2017 ...

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Номер записи: 86
28-06-2018 дата публикации

SUPERABSORBENT POLYMER AND METHOD FOR PREPARING SAME

Номер: WO2018117390A1
Автор: LEE, Yong Hun, SOHN, Jung Min, LEE, Hyemin, HAN, Chang Sun
Принадлежит:

The present invention relates to a superabsorbent polymer exhibiting more improved absorptive capacity, liquid permeability, and the like under pressure while fundamentally maintaining an excellent absorptive performance and absorption rate, and to a method for preparing same. The superabsorbent polymer comprises: a base resin powder comprising a first crosslinking polymer of water-soluble ethylene-based unsaturated monomers having an at least partially neutralized acidic group; and a surface crosslinkage layer formed on the base resin powder and comprising a second crosslinking polymer in which the first crosslinking polymer is additionally crosslinked via a surface crosslinker, wherein the surface crosslinker comprises at least two compounds having a solubility parameter (SP value σ) of 12.5 (cal/cm3)1/2 or greater and wherein at least one of the surface crosslinker is an alkylene carbonate-based compound and the other is selected from the group consisting of an alkylene carbonate-based ...

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Номер записи: 87
09-06-2016 дата публикации

SUPER-ABSORBENT RESIN AND METHOD FOR PREPARING SAME

Номер: WO2016089005A1
Автор: NAM, Dae Woo, HAN, Chang Sun, LEE, Hyemin, KIM, Dong Hyun
Принадлежит:

According to a super-absorbent resin and a method for preparing the same, of the present invention, the super-absorbent resin does not only have excellent solution permeability but can also exhibit high water retention capacity and absorbency under pressure, by controlling the surface cross-linkage degree of a base resin.

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Номер записи: 88
19-02-2019 дата публикации

고흡수성 수지 조립체 및 이의 제조 방법

Номер: KR0101949994B1
Автор: 남대우, 이경무, 이재홍, 한장선
Принадлежит: 주식회사 엘지화학

... 본 발명은 고흡수성 수지 조립체의 제조 방법 및 이에 따라 제조되는 고흡수성 수지 조립체에 관한 것이다. 보다 구체적으로, 본 발명에 따른 고흡수성 수지의 제조 방법은 수용성 에틸렌계 불포화 단량체 및 중합 개시제를 포함하는 모노머 조성물에 열중합 또는 광중합을 진행하여 함수겔상 중합체를 형성하는 단계; 상기 함수겔상 중합체를 건조 및 분쇄하는 단계; 상기 분쇄된 중합체를 입도 150㎛ 이하인 제 1 미분 및 입도 150㎛ 이상 850㎛ 이하인 베이스 수지로 분급하는 단계; 상기 베이스 수지를 표면 가교하는 단계; 상기 표면 가교된 베이스 수지를 분급하여 입도 150㎛ 이하인 제 2 미분을 분리하는 단계; 및 상기 제 1 미분, 제 2 미분 및 실리카를 습윤 상태에서 혼합하여 미분 조립체를 형성하는 단계;를 포함한다.

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Номер записи: 89