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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 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 30. Отображено 30.
27-11-2014 дата публикации

PREPARATION METHOD FOR CATALYST FOR ETHYLENE POLYMERIZATION AND COPOLYMERIZATION, CAPABLE OF CONTROLLING PARTICLE SIZE

Номер: WO2014189187A1
Автор: LEE, Jin Woo, PARK, June Ryeo, KIM, Eun Il, YANG, Chun Byung
Принадлежит:

The present invention relates to a method for preparing a catalyst for ethylene polymerization and copolymerization, capable of providing a polymer having a high apparent density and a uniform particle size, and furthermore capable of easily controlling the particle size of the polymer. More specifically, the present invention comprises the steps of: (1) preparing a magnesium compound solution by reacting a magnesium halide compound with one or more kinds of alcohols and one or more kinds of cyclic ethers; (2) preparing a precursor by adding a titanium compound to the magnesium compound solution prepared in (1); and (3) preparing the catalyst by reacting the precursor with the titanium compound. In particular, by controlling the amount of the alcohols and the cyclic ethers used in step (1), the particle size of the polymer can be easily controlled, and furthermore, the catalyst for highly active ethylene polymerization and copolymerization, capable of providing the polymer having a high ...

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Номер записи: 1
07-03-2018 дата публикации

CATALYST FOR POLYMERIZATION OF PROPYLENE AND METHOD FOR MANUFACTURING PROPYLENE POLYMER OR COPOLYMER USING SAME

Номер: KR101836008B1
Автор: LEE, YOUNG JOO, PARK, JOON RYEO, KIM, EUN IL, KO, SU MIN
Принадлежит: HANWHA TOTAL PETROCHEMICAL CO., LTD.

The present invention relates to a solid catalyst for polymerization of propylene and a method for manufacturing a propylene polymer or a copolymer using the same; and provides a solid catalyst comprises: a carrier produced by reacting dialkoxy magnesium with metal halide; titanium halide; and organic electron donors, and a method for manufacturing a propylene-based block copolymer by copolymerization of propylene-alphaolefin. In particular, an internal electron donor is used which includes an ester group and an alkoxy group among the two types of organic electron donors used in the present invention. Through the polymerization using a solid catalyst system suggested by the present invention, a block copolymer of having high activity and stereoregularity and high rubber content can be manufactured by copolymerization with alphaolefin. COPYRIGHT KIPO 2018 ...

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Номер записи: 2
30-05-2013 дата публикации

CATALYST FOR OLEFIN POLYMERIZATION AND COPOLYMERIZATION, AND OLEFIN POLYMERIZATION OR COPOLYMERIZATION METHOD USING SAME

Номер: WO2013077512A1
Автор: YANG, Chun Byung, PARK, Joon Ryeo
Принадлежит:

The present invention relates to a catalyst for olefin polymerization and copolymerization, and an olefin polymerization or copolymerization method using the same, and more specifically, provides a catalyst for high molecular weight polyolefin polymerization and copolymerization, wherein a catalyst component is prepared using an aluminoxane reacted with an alkoxysilane compound and a metallocene compound so as to have an excellent catalytic activity, and relates to an olefin polymerization or copolymerization method using the same.

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Номер записи: 3
10-02-2017 дата публикации

에틸렌 중합 및 공중합용 촉매의 제조 방법

Номер: KR0101705951B1
Автор: 이진우, 박준려, 김은일
Принадлежит: 한화토탈 주식회사

... 본 발명은 에틸렌 중합 또는 공중합용 촉매의 제조 방법에 관한 것으로서, 본 발명의 촉매 제조방법은 마그네슘 할라이드 화합물을 1종 이상의 알코올과 반응시켜 마그네슘 화합물 용액을 제조하는 단계; 상기 단계에서 얻어진 마그네슘 화합물 용액을 TiCl4와 반응시켜 촉매를 제조하는 단계를 포함한다. 본 발명의 제조 방법에 따라 제조된 촉매는 높은 촉매 활성을 가짐은 물론 우수한 겉보기 밀도와 넓은 분자량분포를 가지는 에틸렌 (공)중합체를 제공할 수 있다.

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Номер записи: 4
01-12-2011 дата публикации

PRODUCTION METHOD FOR A SPHERICAL CARRIER FOR AN OLEFIN POLYMERIZATION CATALYST, AND A SOLID CATALYST USING THE SAME AND PROPYLENE POLYMERS

Номер: KR2011149153A1
Автор: KIM, Eun Il, KIM, Jong Sik, LEE, Young Joo, PARK, Joon Ryeo
Принадлежит:

The present invention relates to a production method for a spherical carrier for an olefin polymerization catalyst and to a solid catalyst produced using the carrier as well as to a propylene polymer produced using the solid catalyst. Provided are: a carrier production method capable of being used in the production of a propylene polymer catalyst, wherein a dialkoxy magnesium carrier is produced by using a nitrogen-halogen compound as a reaction initiator during a reaction between metallic magnesium and an alcohol, and adjusting the initial reaction temperature to between 20 and 25°C and the maturation temperature to between 55 and 65°C; an olefin polymerization solid catalyst produced using the carrier produced as outlined above; and a propylene polymer having a high apparent density produced by using the solid catalyst.

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Номер записи: 5
16-06-2011 дата публикации

MANUFACTURING METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION

Номер: WO2011071237A3
Автор: KIM, Sang Yull, PARK, Joon Ryeo, KIM, Eun Il, LEE, Jin Woo
Принадлежит:

The present invention relates to a manufacturing method of a solid catalyst for propylene polymerization, and more specifically to a manufacturing method of the solid catalyst for propylene polymerization, which has a high melt flow index and broad molecular weight distribution, and can polymerize polypropylene having superior tacticity in high yield.

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Номер записи: 6
24-01-2017 дата публикации

프로필렌 중합용 고체촉매 및 이를 이용한 폴리프로필렌 제조 방법

Номер: KR0101699590B1
Автор: 김상열, 김은일, 박준려
Принадлежит: 한화토탈 주식회사

... 본 발명은 티타늄, 마그네슘, 할로겐 화합물, 실란계 화합물 및 디케톤계 내부전자공여체를 포함하는 고체촉매 및 이를 이용하여 폴리프로필렌을 제조하는 방법에 관한 것이다. 본 발명에 의하면 방향족 디카르복실산의 디에스테르 화합물을 사용하지 않고도 입체규칙성이 우수한 폴리프로필렌을 높은 수율로 제조할 수 있는 프로필렌 중합용 고체촉매를 제공할 수 있다.

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Номер записи: 7
30-05-2013 дата публикации

CATALYST FOR OLEFIN POLYMERIZATION AND COPOLYMERIZATION, AND OLEFIN POLYMERIZATION OR COPOLYMERIZATION METHOD USING SAME

Номер: WO2013077518A1
Автор: YANG, Chun Byung, PARK, Joon Ryeo
Принадлежит:

The present invention relates to a high-purity polypropylene, and a method for preparing same, and more specifically, provides a catalyst for the polymerization and copolymerization of a high-molecular-weight polyolefin having a low melt index, wherein a catalyst component is prepared using a supported metallocene catalyst and a titanocene compound or a half-titanocene compound so as to have an excellent catalytic activity, and relates to an olefin polymerization or copolymerization method using same.

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Номер записи: 8
08-08-2017 дата публикации

METHOD FOR PREPARING CATALYST FOR ETHYLENE POLYMERIZATION AND COPOLYMERIZATION

Номер: KR1020170090624A
Автор: PARK, JOON RYEO, KIM, EUN IL, LEE, JIN WOO
Принадлежит:

The present invention relates to a method for preparing a catalyst for ethylene polymerization or copolymerization, comprising the following steps: (1) reacting a magnesium halide compound with one or more primary alcohols and one or more tertiary alcohols and preparing a magnesium compound solution; (2) adding a titanium compound into the magnesium compound solution prepared in the step (1) and preparing a precursor; and (3) reacting the precursor with the titanium compound and preparing a catalyst. The catalyst prepared by the method can provide an ethylene (co)polymer having high catalytic activity, wide molecular weight distribution and excellent apparent density. COPYRIGHT KIPO 2017 ...

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Номер записи: 9
14-03-2018 дата публикации

LINEAR MEDIUM DENSITY POLYETHYLENE RESIN COMPOSITION, AND MOLDED ARTICLE PRODUCED THEREFROM

Номер: KR1020180026909A
Автор: KIM, DONG JIN, PARK, JOON RYEO, PARK, JI YONG, LEE, EUN WOONG
Принадлежит:

The present invention relates to a linear medium density polyethylene resin composition, and a molded article produced therefrom. More specifically, the present invention relates to a linear medium density polyethylene resin composition which is desirable to be used for rotational molding, and a molded article produced thereby. According to the present invention, the linear medium density polyethylene resin composition contains silicon, titanium, magnesium and a polyethylene resin, and has a composition distribution breadth index (CDBI) less than or equal to 60%, while a mole ratio of silicon to titanium (Si / Ti) is 0.01-1. COPYRIGHT KIPO 2018 ...

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Номер записи: 10
14-01-2010 дата публикации

METHOD FOR CONTROLLING SIZE OF SPHERICAL CARRIER FOR OLEFIN POLYMERIZATION CATALYST

Номер: KR2010005164A2
Автор: KIM, Eun-Il, KIM, Jong-Sik, KANG, Sol, PARK, Joon-Ryeo
Принадлежит:

The present invention relates to a method for controlling the size of a dialkoxy magnesium carrier used in the manufacture of an olefin polymerization catalyst. More specifically, the present invention relates to a method for controlling the size of a dialkoxy magnesium carrier for an olefin polymerization catalyst by injecting metallic magnesium and alcohol in 1-3 times and reacting them, when the dialkoxy magnesium carrier is prepared by reacting the metallic magnesium with alcohol in the presence of a magnesium halide or nitrogen-halogen compound as a reaction initiator.

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Номер записи: 11
08-06-2016 дата публикации

SOLID CATALYST FOR POLYMERIZING PROPYLENE AND PREPARATION METHOD OF POLYPROPYLENE USING SAME

Номер: KR1020160064597A
Автор: KIM, SANG YULL, KIM, EUN IL, PARK, JOON RYEO
Принадлежит:

The present invention relates to a solid catalyst comprising titanium, magnesium, a halogen compound, a silane-based compound, and a diketone-based internal electron doner; and a preparation method of polypropylene using the same. According to the present invention, the solid catalyst for polymerizing propylene with high efficiency can prepare polypropylene having excellent stereoregularity with high yield without using a diester compound of aromatic dicarboxylic acid. COPYRIGHT KIPO 2016 ...

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Номер записи: 12
25-05-2016 дата публикации

A SOLID CATALYST FOR PROPYLENE POLYMERIZATION AND A METHOD FOR PREPARATION OF POLYPROPYLENE USING THE CATALYST

Номер: KR0101624036B1
Автор: 김상열, 김은일, 박준려
Принадлежит: 한화토탈 주식회사

... 본 발명은 티타늄, 마그네슘, 할로겐 화합물, 실란계 화합물 및 비방향족 케토에스테르계 내부전자공여체를 포함하는 고체촉매 및 이를 이용하여 폴리프로필렌을 제조하는 방법에 관한 것이다. 본 발명에 의하면 입체규칙성이 우수하고, 넓은 분자량분포를 나타내면서도 높은 용융흐름성을 갖는 폴리프로필렌을 높은 수율로 제조할 수 있는 프로필렌 중합용 고체촉매를 제공할 수 있다.

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Номер записи: 13
14-01-2010 дата публикации

METHOD FOR CONTROLLING SIZE OF SPHERICAL CARRIER FOR OLEFIN POLYMERIZATION CATALYST

Номер: WO2010005164A3
Автор: KIM, Eun-Il, KIM, Jong-Sik, KANG, Sol, PARK, Joon-Ryeo
Принадлежит:

The present invention relates to a method for controlling the size of a dialkoxy magnesium carrier used in the manufacture of an olefin polymerization catalyst. More specifically, the present invention relates to a method for controlling the size of a dialkoxy magnesium carrier for an olefin polymerization catalyst by injecting metallic magnesium and alcohol in 1-3 times and reacting them, when the dialkoxy magnesium carrier is prepared by reacting the metallic magnesium with alcohol in the presence of a magnesium halide or nitrogen-halogen compound as a reaction initiator.

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Номер записи: 14
21-07-2011 дата публикации

PREPARATION METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION, AND CATALYST PREPARED THEREBY

Номер: WO2011087231A3
Автор: KIM, Sang Yull, LEE, Jin Woo, KIM, Eun Il, PARK, Joon Ryeo
Принадлежит:

The present invention relates to a preparation method of a solid catalyst for propylene polymerization, and a catalyst prepared thereby, and more specifically, to a preparation method of a solid catalyst for propylene polymerization which can polymerize polypropylene having excellent stereoregularity with a high yield by using a silane-based compound, and an acycloalkane dicarboxylate-based or acycloalkene dicarboxylate-based internal electron donor, and a catalyst prepared thereby.

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Номер записи: 15
20-02-2018 дата публикации

CATALYST PRODUCTION METHOD FOR PRODUCING PROPYLENE TERPOLYMER, AND METHOD FOR PRODUCING COPOLYMER USING SAME

Номер: KR101830541B1
Автор: PARK, JOON RYEO, KIM, EUN IL, PARK, HYENOG CHEOL
Принадлежит: HANWHA TOTAL PETROCHEMICAL CO., LTD.

The present invention relates to a catalyst production method for producing a propylene terpolymer, and a method for producing a copolymer using the same. More specifically, the present invention relates to a catalyst production method for producing a propylene terpolymer, which is to copolymerize α-olefin selected from the group consisting of propylene, ethylene, and α-olefin with 4-8 carbon atoms in the presence of random silane-based compounds, an alkyl aluminium cocatalyst, and a solid catalyst including a diether-based internal electron donor and a titanium compound supported on activated magnesium halide. The present invention further relates to a method for producing a copolymer using the same. COPYRIGHT KIPO 2018 ...

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Номер записи: 16
21-07-2011 дата публикации

PREPARATION METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION, AND CATALYST PREPARED THEREBY

Номер: KR2011087231A2
Автор: KIM, Sang Yull, LEE, Jin Woo, KIM, Eun Il, PARK, Joon Ryeo
Принадлежит:

The present invention relates to a preparation method of a solid catalyst for propylene polymerization, and a catalyst prepared thereby, and more specifically, to a preparation method of a solid catalyst for propylene polymerization which can polymerize polypropylene having excellent stereoregularity with a high yield by using a silane-based compound, and an acycloalkane dicarboxylate-based or acycloalkene dicarboxylate-based internal electron donor, and a catalyst prepared thereby.

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Номер записи: 17
17-12-2018 дата публикации

MANUFACTURING METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION, AND PROPYLENE POLYMER OR COPOLYMER USING SAME

Номер: KR101930165B1
Автор: LEE, YOUNG JOO, PARK, JOON RYEO, KIM, EUN IL, KO, SU MIN
Принадлежит: HANWHA TOTAL PETROCHEMICAL CO., LTD.

The present invention relates to a manufacturing method of a solid catalyst for propylene polymerization, and a propylene polymer of copolymer using the same. Provided is a manufacturing method of a solid catalyst which is composed of a carrier which is created by reaction of dialkoxy magnesium with metal halide, titanium halide, an organic electron donor or the like, and a propylene polymer and copolymer through polymerization of propylene-alpha olefin using the same. In particular, an inner electron donor which includes a carbonyl group and alkoxy group among two or more kinds of organic electron donors which are used for the present invention is used. Excellent polypropylene which has high activation, excellent stereoregularity and hydrogen reactivity can be manufactured through polymerization by a manufacturing method of a solid catalyst, and a propylene polymer or copolymer using the same which are suggested by the present invention, and also a block copolymer which has a high rubber ...

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Номер записи: 18
29-07-2015 дата публикации

A SOLID CATALYST FOR PROPYLENE POLYMERIZATION AND A METHOD FOR PREPARATION OF POLYPROPYLENE USING THE CATALYST

Номер: KR0101540513B1
Автор: 김상열, 김은일, 박준려
Принадлежит: 한화토탈 주식회사

... 본 발명은 티타늄, 마그네슘, 할로겐, 실란계 화합물 및 디에테르 내부전자공여체를 포함하는 고체촉매 및 이를 이용하여 폴리프로필렌을 제조하는 방법에 관한 것이다. 본 발명에 의하면 활성과 입체규칙성이 우수하면서도 높은 용융흐름성을 갖는 프로필렌 중합용 고체촉매를 제조할 수 있다.

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Номер записи: 19
06-02-2018 дата публикации

METHOD FOR PREPARING ULTRAHIGH MOLECULAR WEIGHT POLYETHYLENE

Номер: KR101826447B1
Автор: PARK, JOON RYEO, KIM, EUN IL, LEE, JIN WOO
Принадлежит: HANWHA TOTAL PETROCHEMICAL CO., LTD.

The present invention relates to a magnesium supported titanium solid catalyst and a method for preparing ultrahigh molecular weight polyethylene using the same and, more specifically, to a method for preparing ultrahigh molecular weight polyethylene having uniform grain size and high apparent density using a catalyst manufactured by the following steps: (1) dissolving a magnesium dichloride compound using an alcohol, making the dissolved resultant with titanium tetrachloride and preparing a precursor; and (2) making the precursor prepared in the step (1) react with titanium tetrachloride and a carbonyl compound. COPYRIGHT KIPO 2018 ...

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Номер записи: 20
31-05-2012 дата публикации

SOLID CATALYST FOR THE POLYMERIZATION OF PROPYLENE, AND METHOD FOR PREPARING SAME

Номер: WO2012070753A3
Автор: KIM, Sang Yull, LEE, Jin Woo, KIM, Eun Il, PARK, Joon Ryeo
Принадлежит:

The present invention relates to a solid catalyst for the polymerization of propylene and to a method for preparing same, and more particularly, to a solid catalyst for the polymerization of propylene, which can polymerize polypropylene which does not contain substances that are harmful to the environment, and which has excellent stereoregularity with a high yield by using a bicycloalkene dicarboxylate-based internal electron donor, and to a method for preparing the solid catalyst.

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Номер записи: 21
05-02-2018 дата публикации

PREPARATION METHOD OF POLYETHYLENE RESIN COMPOSITION FOR PLASTIC BOTTLE CAP WITH LOW BAD ODOR CHARACTERISTICS AND MOLDED PRODUCT MANUFACTURED THEREBY

Номер: KR101825613B1
Автор: KIM, DONG JIN, PARK, JOON RYEO, PARK, JI YONG, LEE, YOUNG SIL
Принадлежит: HANWHA TOTAL PETROCHEMICAL CO., LTD.

A preparation method of a polyethylene resin composition for a bottle cap of the present invention, as a method of preparing the polyethylene resin composition by copolymerizing ethylene and alpha-olefin in the presence of a solid catalyst including Si, Ti and Mg, comprises performing a degassing process of at least three stages or more on the polyethylene resin composition, wherein the degassing process of the three stages or more has a first stage pressure of 1.2 to 1.5 atmospheric pressure, a second stage pressure of 1.1 to 1.3 atmospheric pressure, and a third stage pressure of 0.9 to 1.1 atmospheric pressure. The polyethylene resin composition has less than 10 ppm of a content of a hydrocarbon having 2 to 10 carbon atoms, exhibits low bad odor characteristics with a smell index of 2.0 or less, and does not generate an unpleasant smell such that the polyethylene resin composition can maintain intrinsic smell characteristics of the beverages when the polyethylene resin composition is ...

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Номер записи: 22
31-05-2012 дата публикации

SOLID CATALYST FOR THE POLYMERIZATION OF PROPYLENE, AND METHOD FOR PREPARING SAME

Номер: KR2012070753A2
Автор: KIM, Sang Yull, LEE, Jin Woo, KIM, Eun Il, PARK, Joon Ryeo
Принадлежит:

The present invention relates to a solid catalyst for the polymerization of propylene and to a method for preparing same, and more particularly, to a solid catalyst for the polymerization of propylene, which can polymerize polypropylene which does not contain substances that are harmful to the environment, and which has excellent stereoregularity with a high yield by using a bicycloalkene dicarboxylate-based internal electron donor, and to a method for preparing the solid catalyst.

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Номер записи: 23
21-01-2016 дата публикации

SOLID CATALYST FOR POLYMERIZING PROPYLENE AND PRODUCING METHOD OF POLYPROPYLENE USING SAME

Номер: KR1020160008052A
Автор: KIM, SANG YULL, KIM, EUN IL, PARK, JOON RYEO
Принадлежит:

The present invention relates to a solid catalyst comprising: titanium; magnesium; a halogen compound; a silane-based compound; and a non-aromatic keto ester-based internal electron donor, and to a method for producing polypropylene using the same. According to the present invention, provided is a solid catalyst for polymerizing propylene, wherein the solid catalyst has excellent stereoregularity, shows a wide molecular weight distribution, and can produce polypropylene having high melt flowability in high yield. COPYRIGHT KIPO 2016 ...

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Номер записи: 24
30-04-2018 дата публикации

CATALYST SYSTEM FOR ETHYLENE OLIGOMERIZATION REACTION AND ETHYLENE OLIGOMERIZATION METHOD USING SAME

Номер: KR101853569B1
Автор: YANG, CHUN BYUNG, PARK, JOON RYEO
Принадлежит: HANWHA TOTAL PETROCHEMICAL CO., LTD.

The present invention relates to a catalyst system for ethylene oligomerization reaction and an ethylene oligomerization method using the same. More specifically, the present invention provides the catalyst system for ethylene oligomerization reaction and the ethylene oligomerization method using the same, wherein the catalyst system for ethylene oligomerization reaction is formed by comprising a transition metal or a transition metal precursor of a new structure for providing an ethylene oligomer, a ligand having a skeleton structure represented by chemical formula 1, R^1-OC(=O)-Y^1-C(=O)OR^2, or chemical formula 2, R^1-O-Y^2-O-R^2, and a cocatalyst. In chemical formula 1, R^1 and R^2 are independently a hydrocarbyl, a substituted hydrocarbyl, a heterohydrocarbyl, or a substituted heterohydrocarbyl, and Y^1 is a group which links CO(=O). In chemical formula 2, R^1 and R^2 are independently a hydrocarbyl, a substituted hydrocarbyl, a heterohydrocarbyl, or a substituted heterohydrocarbyl ...

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Номер записи: 25
30-05-2018 дата публикации

선형 중밀도 폴리에틸렌 수지 조성물 및 이로부터 제조된 성형품

Номер: KR0101862928B1
Автор: 김동진, 박준려, 박지용, 이은웅
Принадлежит: 한화토탈 주식회사

... 본 발명은 선형 중밀도 폴리에틸렌 수지 조성물 및 이로 제조된 성형품에 관한 것으로, 특히 회전성형에 사용되기에 바람직한 선형 중밀도 폴리에틸렌 수지 조성물 및 이로 제조된 성형품에 관한 것이다. 본 발명에 따른 선형 중밀도 폴리에틸렌 수지 조성물은, 실리콘, 티타늄, 마그네슘 및 폴리에틸렌 수지를 포함하는 선형 중밀도 폴리에틸렌 수지 조성물로서, 조성분포폭지수(CDBI)가 60% 이하이고, 상기 실리콘과 티타늄(Si/Ti)의 몰비가 0.01~1인 것을 특징으로 한다.

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Номер записи: 26
07-09-2017 дата публикации

에틸렌 중합 및 공중합용 촉매의 제조방법

Номер: KR0101776458B1
Автор: 박준려, 김은일, 이진우
Принадлежит: 한화토탈 주식회사

... 본 발명은 에틸렌 중합 또는 공중합용 촉매의 제조 방법에 관한 것으로서, 보다 상세하게는 (1) 마그네슘 할라이드 화합물을 1종 이상의 1차 알코올 및 1종 이상의 3차 알코올과 반응시켜 마그네슘 화합물 용액을 제조하는 단계; (2) 상기 단계 (1)에서 제조된 마그네슘 화합물 용액에 티타늄 화합물을 첨가하여 전구체를 제조하는 단계; (3) 상기 전구체를 티타늄 화합물과 반응시켜 촉매를 제조하는 단계로 구성되는 것을 특징으로 한다. 본 발명에서 기술된 방법에 따라 제조된 촉매는 높은 촉매 활성을 제공함은 물론 넓은 분자량분포와 우수한 겉보기 밀도를 가지는 에틸렌 (공)중합체를 제공할 수 있다.

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Номер записи: 27
30-06-2016 дата публикации

PREPARATION METHOD OF CATALYST FOR POLYMERIZATION AND COPOLYMERIZATION OF ETHYLENE

Номер: KR1020160076249A
Автор: LEE, JIN WOO, PARK, JOON RYEO, KIM, EUN II
Принадлежит:

The present invention relates to a preparation method of a catalyst for polymerization or copolymerization of ethylene. More particularly, the preparation method of the present invention comprises the steps of: preparing a magnesium compound solution by conducting a reaction of a magnesium halide compound with at least one kind of alcohol; and preparing the catalyst by conducting a reaction of the magnesium compound solution obtained from the previous step with TiCl_4. The catalyst prepared according to the present invention has high catalytic activity, and can provide an ethylene (co)polymer having excellent apparent density and a wide molecular distribution. COPYRIGHT KIPO 2016 ...

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Номер записи: 28
07-11-2017 дата публикации

SOLID CATALYST FOR PROPYLENE POLYMERIZATION AND METHOD FOR MANUFACTURING POLYPROPYLENE USING SAME

Номер: KR101795317B1
Автор: LEE, YOUNG JOO, PARK, JOON RYEO, KIM, EUN IL, KO, SU MIN
Принадлежит: HANWHA TOTAL PETROCHEMICAL CO., LTD.

The present invention relates to a solid catalyst for propylene polymerization and to a method for manufacturing polypropylene using the same, and provides a solid catalyst composed of a carrier, titanium halide, an organic electron donor, and the like generated through reaction of dialkoxy magnesium with metal halide, and a method for manufacturing polypropylene using the same. Especially, by using an internal electron donor containing a carbonyl group and an alkoxy group among two types of organic electron donors used in the present invention, a solid catalyst system proposed in the present invention can be applied to various types of propylene polymerization processes such as slurry polymerization, bulk polymerization or gas phase polymerization, and the like, and can manufacture polypropylene excellent in high activity and stereoregularity. COPYRIGHT KIPO 2017 ...

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Номер записи: 29
16-06-2011 дата публикации

MANUFACTURING METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION

Номер: KR2011071237A2
Автор: KIM, Sang Yull, PARK, Joon Ryeo, KIM, Eun Il, LEE, Jin Woo
Принадлежит:

The present invention relates to a manufacturing method of a solid catalyst for propylene polymerization, and more specifically to a manufacturing method of the solid catalyst for propylene polymerization, which has a high melt flow index and broad molecular weight distribution, and can polymerize polypropylene having superior tacticity in high yield.

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Номер записи: 30