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01-08-2016 дата публикации

열가소성 수지 조성물 및 이로부터 제조된 열가소성 수지 성형품

Номер: KR0101644752B1

Автор: 유근훈, 최정수, 이원석, 장석구, 이루다, 박상후, 김호훈

Принадлежит: 주식회사 엘지화학

... 본 발명에서는 우수한 내충격성 및 투명성과 함께, 높은 내환경응력균열성(ESCR)을 나타내는 열가소성 수지 조성물 및 이로부터 제조된 열가소성 수지 성형품이 제공된다.

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Номер записи: 1

11-09-2018 дата публикации

열가소성 수지 조성물 및 이를 포함하는 성형품

Номер: KR0101897324B1

Автор: 장석구, 최정수, 유근훈, 이원석, 이루다, 박상후, 김호훈, 심형섭

Принадлежит: 주식회사 엘지화학

... 본 발명은 열가소성 수지 조성물 및 이를 포함하는 성형품에 관한 것으로, 보다 상세하게는 아크릴계 그라프트 공중합체 및 아크릴계 비그라프트 공중합체를 포함하는 기본 수지 100 중량부; 및 아연계 항균제 0.3 초과 내지 1.2 미만 중량부;를 포함하고, 상기 아연계 항균제는 평균 입경이 3 초과 내지 30 이하 ㎛인 것을 특징으로 하는 열가소성 수지 조성물 및 이를 포함하는 성형품에 관한 것이다. 본 발명에 따르면, 동등 이상의 기계적 물성을 제공하면서도, 투명성이 우수하고, 초기 항균력 및 지속 항균력이 뛰어난 열가소성 수지 조성물 및 이를 포함하는 성형품을 제공하는 효과가 있다.

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Номер записи: 2

08-06-2017 дата публикации

TRANSPARENT THERMOPLASTIC RESIN AND METHOD FOR PRODUCING SAME

Номер: WO2017095038A1

Автор: LEE, Roo Da, CHOI, Jeong Su, YOO, Keun Hoon, LEE, Won Seok, JANG, Seok Goo, PARK, Sang Hoo, KIM, Ho Hoon, SHIM, Hyung Seop

Принадлежит:

The present invention relates to a transparent thermoplastic resin and, more particularly, to a transparent thermoplastic resin comprising: a random copolymerization block comprising 50 to 80% by weight of an aromatic vinyl compound, 10 to 30% by weight of a vinyl cyan compound and 0 to 15% by weight of a (meth) acrylic acid alkyl ester and polymerized therewith; and an aromatic vinyl compound block comprising 1 to 10% by weight of an aromatic vinyl compound and polymerized therewith, a transparent thermoplastic resin composition containing the same, and a method for producing the same.

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Номер записи: 3

08-10-2018 дата публикации

열가소성 수지 조성물 및 이의 제조방법

Номер: KR0101905939B1

Автор: 최정수, 유근훈, 이원석, 장석구, 이루다, 박상후, 김호훈, 심형섭

Принадлежит: 주식회사 엘지화학

... 본 기재는 열가소성 수지 조성물 및 이의 제조방법에 관한 것으로, 보다 상세하게는 (A-1) a-1) 중량평균입경이 500Å~2,000Å인 공액디엔 고무라텍스에 b-1) 메타크릴산 알킬 에스테르 화합물 또는 아크릴산 알킬 에스테르 화합물, c-1) 방향족 비닐 화합물, 및 d-1) 비닐시안 화합물을 그라프트 공중합한 그라프팅 공중합체; (A-2) a-2) 중량평균입경이 2,500Å~5,000Å인 공액디엔 고무라텍스에 b-2) 메타크릴산 알킬 에스테르 화합물 또는 아크릴산 알킬 에스테르 화합물, c-2) 방향족 비닐 화합물, 및 d-2) 비닐시안 화합물을 그라프트 공중합한 그라프팅 공중합체; 및 (B) ⅰ) 메타크릴산 알킬 에스테르 화합물 또는 아크릴산 알킬 에스테르 화합물, ⅱ) 방향족 비닐 화합물, 및 ⅲ) 비닐시안 화합물을 중합한 공중합체를 포함하고, 하기 수학식 1 [수학식 1] 0.75 ≤ Xa-1/Xa-2 ≤ 4 (상기 Xa-1는 (a-1) 공액디엔 고무라텍스(고형분 기준)의 중량이고, Xa-2는 (a-2) 공액디엔 고무라텍스(고형분 기준)의 중량이다)을 만족하며, 상기 (A-1) 그라프팅 공중합체와 (A-2) 그라프팅 공중합체의 굴절률 차이가 0.01 이하이고, 상기 (A-1) 그라프팅 공중합체 또는 (A-2) 그라프팅 공중합체와 상기 (B) 공중합체의 굴절률 차이가 0.01 이하인 열가소성 수지 조성물 및 이의 제조방법에 관한 것이다. 본 기재에 따르면, 가공성, 내화학성, 열안정성 및 내충격성 등의 물성 밸런스가 우수하면서도 투명성이 매우 뛰어난 열가소성 수지 조성물 및 이의 제조방법을 제공하는 효과가 있다.

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Номер записи: 4

17-05-2016 дата публикации

THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PREPARING SAME AND MOLDED PRODUCT INCLUDING SAME

Номер: KR1020160054784A

Автор: CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, JU, MIN CHEOL, SHIN, MIN SEUNG, HONG, SUNG WON, KIM, IN SOO, LEE, HYUNG SUB

Принадлежит:

The present disclosure relates to a thermoplastic resin composition and a method for preparing the same, and more particularly to, a thermoplastic resin composition, which contains 10 wt% to 90 wt% of a graft copolymer resin agglomerated with organic acid or organic acid salt, and 90 wt% to 10 wt% of a non-graft copolymer resin, a method for preparing the same, and a molded product including the same. The thermoplastic resin composition has a transparency difference (ΔHaze) of 20 or less between before and after moist heating, and a difference in refractive index between the graft copolymer resin and the non-graft copolymer resin is less than 0.01. The present invention provides the thermoplastic resin composition that has superior characteristics of entire properties balance, color, transparency, and particularly, excellent moist-heat resistance to be applied to products that are probably exposed to high temperature water or required to be sterilized; the method for manufacturing the same ...

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Номер записи: 5

21-06-2017 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE COMPRISING SAME

Номер: KR1020170069456A

Автор: JANG, SEOK GOO, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to a thermoplastic resin composition and a molded article comprising the same. Specifically, the thermoplastic resin composition includes: 100 wt% of a base resin including an acryl graft copolymer and an acryl non-graft copolymer; and 0.3-1.2 (not including 0.3, 1.2) of zinc-based antimicrobic. An average diameter of the zinc-based antimicrobic is 3-30 μm (not including 3). According to the present invention, the thermoplastic resin composition provides an equal level of a mechanical property and has excellent transparency, monovalence in an early stage, and monovalence continuity. COPYRIGHT KIPO 2017 ...

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Номер записи: 6

16-12-2024 дата публикации

열가소성 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품

Номер: KR102741462B1

Автор: 심형섭, 장석구, 남기영

Принадлежит: 주식회사 엘지화학

... 본 기재는 열가소성 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품에 관한 것으로, 보다 상세하게는 그라프트 공중합체 및 비그라프트 공중합체로 이루어진 베이스 수지 100 중량부에, 폴리에테르-아미드 블록 공중합체 6 내지 15 중량부, 금속 스테아르산염 0.2 내지 0.9 중량부, 및 유기 안료 0.001 내지 0.006 중량부를 포함하는 것을 특징으로 하는 열가소성 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품에 관한 것이다. 본 발명에 따르면, 투명성 및 착색성이 뛰어나고 색상 안정성이 우수하면서 내화학성 및 대전방지성이 우수하여 의료용 제품으로 적합한 열가소성 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품을 제공하는 효과가 있다.

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Номер записи: 7

26-02-2019 дата публикации

열가소성 수지 조성물 및 이로부터 제조된 성형품

Номер: KR0101931585B1

Автор: 이원석, 최정수, 유근훈, 장석구, 이루다, 박상후, 김호훈, 심형섭

Принадлежит: 주식회사 엘지화학

... 본 기재는 열가소성 수지 조성물 및 이로부터 제조된 성형품에 관한 것으로, 보다 상세하게는 (A) 공액디엔 고무, (메타)아크릴산 알킬 에스테르 화합물, 메틸렌 부티로락톤 화합물, 및 방향족 비닐 화합물을 포함하여 그라프트 공중합된 그라프팅 공중합체; 및 (B) (메타)아크릴산 알킬 에스테르 화합물, 방향족 비닐 화합물, 및 비닐시안 화합물을 포함하여 공중합된 공중합체;를 포함하는 것을 특징으로 하는 열가소성 수지 조성물 및 이로부터 제조된 성형품에 관한 것이다. 본 기재에 따르면, 내열성 및 투명성이 우수한 열가소성 수지 조성물 및 이로부터 제조된 성형품을 제공하는 효과가 있다.

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Номер записи: 8

18-01-2019 дата публикации

투명 열가소성 수지 및 이의 제조방법

Номер: KR0101940038B1

Автор: 이루다, 최정수, 유근훈, 이원석, 장석구, 박상후, 김호훈, 심형섭

Принадлежит: 주식회사 엘지화학

... 본 발명은 투명 열가소성 수지에 관한 것으로, 보다 상세하게는 방향족 비닐 화합물 50 내지 80 중량%, 비닐 시안 화합물 10 내지 30 중량% 및 (메트)아크릴산 알킬 에스테르 0 내지 15 중량%를 포함하여 중합된 랜덤 공중합 블록; 및 방향족 비닐 화합물 1 내지 10 중량%를 포함하여 중합된 방향족 비닐 화합물 블록;을 포함하는 것을 특징으로 하는 투명 열가소성 수지, 이를 포함하는 투명 열가소성 수지 조성물 및 이들의 제조방법에 관한 것이다.

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Номер записи: 9

21-11-2019 дата публикации

MATRIX COPOLYMER, GRAFT COPOLYMER, AND THERMOPLASTIC RESIN COMPOSITION

Номер: WO2019221448A1

Автор: OK, Hye Jeong, JANG, Seok Goo, PARK, Sang Hoo, SHIM, Hyung Seop, CHOI, Jeong Su, YOO, Keun Hoon, LEE, Won Seok, LEE, Roo Da, KIM, Ho Hoon, LEE, Jong Ju

Принадлежит:

The present invention relates to: a matrix copolymer comprising a cellulose nanocrystal derivative, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyanide-based unit; a graft copolymer comprising a cellulose nanocrystal derivative, a conjugated diene polymer, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyanide-based unit; and a thermoplastic resin composition comprising at least one of the copolymers. According to the present invention, provided can be a thermoplastic resin composition having improved processability, impact strength, tensile strength, and chemical resistance while maintaining transparency.

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Номер записи: 10

28-04-2022 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED PRODUCT MANUFACTURED THEREFROM

Номер: WO2022085899A1

Автор: JANG, Seokgoo, SHIM, Hyungseop, NAM, Ki Young

Принадлежит:

The present invention provides a thermoplastic resin composition and a molded product manufactured using same, the thermoplastic resin composition comprising: a first graft copolymer comprising a conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer; a second graft copolymer comprising an alkyl (meth)acrylate-based polymer, an aromatic vinyl-based monomer, a vinyl cyan-based monomer, and an alkyl (meth)acrylate-based monomer; and a thermoplastic copolymer comprising an alkyl (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer, wherein 5-12 wt% of the first graft copolymer is included, and the weight of the first graft copolymer is smaller than the weight of the second graft copolymer and at the same time, is smaller than the weight of the thermoplastic copolymer.

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Номер записи: 11

01-12-2016 дата публикации

열가소성 수지 제조방법

Номер: KR0101681427B1

Автор: 오현택, 최정수, 유근훈, 안봉근, 이원석, 장석구, 이루다, 박상후, 김호훈, 심형섭

Принадлежит: 주식회사 엘지화학

... 본 발명은 열가소성 수지 제조방법에 관한 것으로, 보다 상세하게는 ⅰ) a) 공액디엔 고무에, b) 방향족 비닐 화합물, 비닐시안 화합물 및 아크릴레이트계 화합물로 이루어진 군으로부터 선택된 1종 이상을 포함하여 그라프트 중합시켜 그라프트 공중합체 라텍스를 제조하는 단계; 및 ⅱ) 상기 그라프트 공중합체 라텍스에 1급, 2급, 3급 또는 4급 아민기를 가진 고분자 항균제를 투입하여 응집시키는 단계;를 포함하는 것을 특징으로 하는 열가소성 수지 제조방법, 열가소성 수지, 이를 포함하는 열가소성 수지 조성물의 제조방법 및 열가소성 수지 조성물에 관한 것이다. 본 발명에 따르면 그라프트 공중합체 라텍스를 제조하고, 이를 특정 항균제로 응집시킴으로써, 항균성 및 용융 혼련성이 우수한 열가소성 수지 및 이를 포함하는 열가소성 수지 조성물을 제조하기 위한 열가소성 수지 제조방법을 제공하는 효과가 있다.

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Номер записи: 12

31-10-2017 дата публикации

CONDUCTIVE PASTE

Номер: KR1020170120380A

Автор: CHANG, SUK KU

Принадлежит:

Provided by an embodiment of the present invention is conductive paste which includes a binder, conductive particles, and a curing agent including a thiol compound. The present invention includes the binder, the conductive particles, and the curing agent including the thiol compound, wherein the thiol compound is a polyfunctional thiol compound including thiophenol. The conductive paste provided by the technical challenge of the present invention has excellent conductivity and enables a fast curing with a low temperature process. The thiol compound can be a multifunctional thiol compound containing thiophenol. COPYRIGHT KIPO 2017 ...

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Номер записи: 13

10-04-2023 дата публикации

바나듐 레독스흐름전지용 전해액 및 그의 제조 방법

Номер: KR102519292B1

Автор: 김영권, 장석구, 유지상

Принадлежит: 한국전자기술연구원, 주식회사 유니플러스

... 본 발명은 전기화학적 환원방법 또는 금속환원제를 사용 없이 1단계의 반응으로 저가이면서 고순도의 3 내지 4가 사이의 바나듐 산화수를 갖는 바나듐 레독스흐름전지용 전해액을 제공하기 위한 것이다. 본 발명은 산화수가 다른 복수의 바나듐 산화물을 산성 용액에 혼합한 후 반응시켜 3가 내지 4가 사이의 바나듐 산화수를 갖는 바나듐 전해액을 제조하는 단계를 포함하는 바나듐 레독스흐름전지용 전해액의 제조 방법 및 그 제조 방법으로 제조된 바나듐 레독스흐름전지용 전해액을 제공한다.

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Номер записи: 14

05-03-2015 дата публикации

TRANSPARENT ABS RESIN AND TRANSPARENT ABS RESIN COMPOSITION

Номер: WO2015030415A1

Автор: JANG, Seok Goo, PARK, Sang Hoo, LEE, Roo Da, LEE, Won Seok, CHOI, Jeong Su, YOO, Keun Hoon

Принадлежит:

The present invention relates to a transparent ABS resin and a transparent ABS resin composition. According to the present invention, it is possible to provide a transparent ABS resin and a transparent ABS resin composition having excellent transparency, and, furthermore, impact resistance, through a formation of an effective graft shell by minimizing the amount of styrene-based monomers infiltrating into a polybutadiene-based rubber latex, and, instead, leading the styrene-based monomer into the shell. In particular, according to the present invention, it is possible to provide a transparent ABS resin composition having high transparency and impact resistance while applying, to an ABS resin, a reducing agent and iron ions which have an effect of lowering the transparency of the ABS resin in the conventional technique.

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Номер записи: 15

04-04-2019 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND THERMOPLASTIC RESIN MOLDED PRODUCT MANUFACTURED THEREFROM

Номер: WO2019066375A2

Автор: CHOI, Jeong Su, LEE, Won Seok, LEE, Roo Da, LEE, Jong Ju, YOO, Keun Hoon, JANG, Seok Goo, PARK, Sang Hoo, OK, Hye Jeong, KIM, Ho Hoon, SHIM, Hyung Seop

Принадлежит:

The present invention relates to a thermoplastic resin composition showing excellent transparency and whitening resistance. The thermoplastic resin composition of the present invention comprises: (A) a multi-layer structured graft copolymer; and (B) a thermoplastic copolymer, the multi-layer structured graft polymer (A) comprising: a conjugated diene-based rubber latex core having a weight average particle diameter of 500-2,000 Å; an intermediate layer; and a graft layer, wherein the glass transition temperature of the intermediate layer is 40°C or lower, the glass transition temperature of the graft layer is 80°C or higher, and the difference in refractive index between the graft copolymer (A) and the thermoplastic copolymer (B) is smaller than 0.01.

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Номер записи: 16

27-03-2017 дата публикации

고무강화 열가소성 고투명 수지의 제조방법

Номер: KR0101716927B1

Автор: 이원석, 최정수, 장석구, 이루다, 박상후, 유근훈

Принадлежит: 주식회사 엘지화학

... 본 발명은 고무강화 열가소성 고투명 수지의 제조방법에 관한 것으로, 본 발명에 따르면, 광확산도, 광투과율, 황변지수를 개선시키고 저온 백화성 또한 확보할 수 있고, 특히 소디움 포름알데히드 술폭시레이트(SFS)와 철 이온을 사용하지 않고도 고 투명 및 자연 색상에 가까운 색상을 제공하는 고무강화 열가소성 고투명 수지를 효율적으로 제조하는 방법을 제공할 수 있다.

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Номер записи: 17

12-03-2015 дата публикации

METHOD FOR PREPARING WEATHER RESISTANT REINFORCED ACRYLATE BASED RESIN

Номер: WO2015034209A1

Автор: LEE, Roo Da, PARK, Sang Hoo, LEE, Won Seok, JANG, Seok Goo, CHOI, Jeong Su, YOO, Keun Hoon

Принадлежит:

The present invention relates to a method for preparing a weather resistant reinforced acrylate based resin. More specifically, an activator-free conversion rate improver is included in an acrylate-styrene based graft copolymer, thereby improving the haze value, light transmittance, and yellow index when mixed with an acrylate-styrene based non-graft copolymer, and securing the weather resistance. In particular, according to the present invention, a weather resistant reinforced thermoplastic resin having excellent colors which are close to natural colors can be provided even without using sodium formaldehyde sulfoxylate (SFS) and iron ions.

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Номер записи: 18

12-09-2017 дата публикации

수지 분체의 제조방법 및 이를 위한 일체형 응집기

Номер: KR0101777463B1

Автор: 주민철, 최정수, 이형섭, 이원석, 장석구, 신민승, 홍성원, 유근훈, 이루다, 박상후, 김호훈, 김인수

Принадлежит: 주식회사 엘지화학

... 본 발명은 수지 분체의 제조방법 및 이를 위한 일체현 반응기에 관한 것으로, 본 발명에 따르면 라텍스의 응집과 숙성을 위한 일체형 응집기에 산 응집제를 사용하여 응집공정을 수행하되 잔류하는 산 응집제를 또한 반응기 내에서 중화에 의해 제거함에 따라 내습열과 열안정성이 모두 개선된 수지 분체를 제조할 수 있다.

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Номер записи: 19

26-04-2017 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE COMPRISING SAME

Номер: KR1020170045030A

Автор: PARK, SANG HOO, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, KIM, HO HOON, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to a thermoplastic resin composition, and to a molded article comprising the same, and more specifically, to a thermoplastic resin composition, containing: 100 parts by weight of a basic resin including an acrylic graft copolymer and an acrylic non-graft copolymer; more than 0.1 and less than 1.5 parts by weight of an organic antibacterial agent; and more than 0.1 and less than 1.5 parts by weight of a zinc-based antimicrobial agent, and to a molded article comprising the same. According to the present invention, provided are the thermoplastic resin composition, which is excellent in both early antimicrobial strength and lasting antimicrobial strength, and has excellent antimycotic activity, while maintaining impact strength and transparency, and molded article comprising the same. COPYRIGHT KIPO 2017 ...

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Номер записи: 20

12-05-2016 дата публикации

THERMOPLASTIC RESIN COMPOSITION, PREPARATION METHOD THEREFOR, AND MOLDED PRODUCT COMPRISING SAME

Номер: WO2016072632A1

Автор: CHOI, Jeong Su, JU, Min Cheol, SHIN, Min Seung, HONG, Sung Won, LEE, Hyung Sub, YOO, Keun Hoon, LEE, Won Seok, JANG, Seok Goo, LEE, Roo Da, PARK, Sang Hoo, KIM, Ho Hoon, KIM, In Soo

Принадлежит:

The present invention relates to a thermoplastic resin composition, and a preparation method therefor and, more specifically, to a thermoplastic resin composition, a preparation method therefor, and a molded product comprising the same, the thermoplastic resin composition comprising: 10-90 wt% of a graft copolymer resin coagulated by an organic acid or by a salt of an organic acid; and 10-90 wt% of a non-graft copolymer resin, wherein a moist heat characteristic (ΔHaze) is 20 or less, and a difference in refractive index between the graft copolymer resin and the non-graft copolymer resin is less than 0.01. According to the present invention, the overall balance of physical properties, the color and the transparency are excellent, and particularly, moist-heat resistance is excellent, and thus there is an effect of providing: a thermoplastic resin composition applicable even to a product exposed to high temperature water or requiring sterilization; a preparation method therefor; and a molded ...

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Номер записи: 21

24-03-2016 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND THERMOPLASTIC RESIN MOLDED PRODUCT PRODUCED THEREFROM

Номер: KR1020160032668A

Автор: YOO, KEUN HOON, CHOI, JEONG SU, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON

Принадлежит:

The present invention provides a thermoplastic resin composition exhibiting high environmental stress crack resistance (ESCR) in addition to excellent impact resistance and transparency, and a thermoplastic resin molded product produced therefrom. The thermoplastic resin composition comprises: (A) a graft copolymer obtained by graft-copolymerizing (meth)acrylic acid ester, a vinyl cyanide-based compound and an aromatic vinyl compound in diene-based rubber latex; and (B) a copolymer of (meth)acrylic acid ester-aromatic vinyl compound-vinyl cyanide-based compound. COPYRIGHT KIPO 2016 ...

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Номер записи: 22

14-07-2016 дата публикации

GRAFT COPOLYMER AND MOLDED ARTICLE OBTAINED THEREFROM

Номер: KR1020160084733A

Автор: JANG, SEOK GOO, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON

Принадлежит:

The present invention relates to a graft copolymer, a thermoplastic composition and a molded article obtained therefrom. More particularly, the present invention relates to a graft copolymer comprising: a) 40-60 wt% of a styrene-butadiene copolymer rubber latex; b) 17-40 wt% of an alkyl methacrylate monomer or alkyl acrylate monomer; c) 10-30 wt% of an aromatic vinyl monomer; and d) 1-5 wt% of a vinyl cyanide monomer. According to the present invention, it is possible to provide a graft copolymer which uses a styrene-butadiene copolymer rubber latex as a core instead of a polybutadiene rubber latex to increase flowability and to provide excellent processability and chemical resistance while maintaining impact strength and transparency, as well as a thermoplastic resin composition and a molded article obtained therefrom. COPYRIGHT KIPO 2016 ...

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Номер записи: 23

09-07-2018 дата публикации

ODORLESS TRANSPARENT THERMOPLASTIC RESIN COMPOSITION AND METHOD OF PREPARING SAME

Номер: KR1020180077435A

Автор: SHIM, HYUNG SEOP, CHOI, JEONG SU, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, OK, HYE JEONG, KIM, HO HOON, YOO, KEUN HOON

Принадлежит:

The present invention relates to a thermoplastic resin composition and a method of preparing the same. More specifically, the present invention relates to a thermoplastic resin composition and a method of preparing the same, wherein the thermoplastic resin composition comprises: 20 to 80 wt% of a graft copolymer (A) copolymerized by including 20 to 60 wt% of a (meth)acrylic acid alkyl ester compound or acrylic acid alkyl ester compound (a2), 7 to 30 wt% of an aromatic vinyl compound (a3), 1 to 10 wt% of a vinyl cyanide compound (a4) and 0.01 to less than 0.7 part by weight of a quinone compound (a5) based on the total content 100 parts by weight obtained by adding (a1) to (a4) in 20 to 70 wt% of a conjugated diene-based rubber polymer (a1); and 20 to 80 wt% of a styrene-based copolymer (B) copolymerized by including 50 to 80 wt% of a (meth)acrylic acid alkyl ester compound or acrylic acid alkyl ester compound (b1), 15 to 45 wt% of an aromatic vinyl compound (b2), 1 to 10 wt% of a vinyl ...

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Номер записи: 24

08-03-2017 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND PRODUCTION METHOD THEREOF

Номер: KR1020170025900A

Автор: CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to a thermoplastic resin composition and a production method thereof. More specifically, provided is a thermoplastic resin composition ensuring excellent transparency and physical balance. To this end, the thermoplastic resin composition comprises: a grafted copolymer (A-1) which is obtained by undergoing graft-copolymerization using conjugated diene rubber latex (a-1) whose weight average particle diameter is 500-2,000 Å, a methacrylic acid alkyl ester compound or an acrylic acid alkyl ester compound (b-1), an aromatic vinyl compound (c-1), and a vinyl cyan compound (d-1); a grafted copolymer (A-2) which is obtained by undergoing the graft-copolymerization using conjugated diene rubber latex (a-2) whose weight average particle diameter is 2,500-5,000 Å, an methacrylic acid alkyl ester compound or an acrylic acid alkyl ester compound (b-2), an aromatic vinyl compound (c-2), and a vinyl cyan compound (d-2); and a copolymer which is obtained by polymerizing a ...

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Номер записи: 25

23-02-2023 дата публикации

열가소성 투명 수지, 이를 포함하는 열가소성 투명 수지 조성물, 이들의 제조방법 및 성형품

Номер: KR102502481B1

Автор: 박상후, 유근훈, 장석구, 옥혜정, 심형섭

Принадлежит: 주식회사 엘지화학

... 본 발명은 열가소성 투명 수지, 이를 포함하는 수지 조성물, 이들의 제조방법 및 성형품에 관한 것으로, 보다 상세하게는 특정 조성의 그라프트 공중합체에 유리 텔루륨 화합물을 배합하여 투명도가 우수하면서도 높은 그라프트율을 가지며, 압출 후 표면에 돌기가 형성되는 현상이 크게 개선되며, 특히, 두께 60㎛ 이하의 박막 시트로 제조 시에도 표면 품질이 우수한 이점을 제공할 수 있는 열가소성 투명 수지, 이를 포함하는 수지 조성물, 이들의 제조방법 및 성형품에 관한 것이다.

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Номер записи: 26

24-03-2016 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND THERMOPLASTIC RESIN MOLDED ARTICLE PREPARED THEREFROM

Номер: WO2016043424A1

Автор: YOO, Keun Hoon, CHOI, Jeong Su, LEE, Won Seok, JANG, Seok Goo, LEE, Roo Da, PARK, Sang Hoo, KIM, Ho Hoon

Принадлежит:

The present invention provides a thermoplastic resin composition comprising, in a weight ratio of 35:65 to 70:30: a graft copolymer (A) in which (meth)acrylic ester, a vinyl cyanide compound and an aromatic vinyl compound are graft-polymerized to conjugated diene based rubber latex; and a copolymer (B) of a (meth)acrylic acid ester-aromatic vinyl compound-vinyl cyanide based compound, wherein in the event of irradiating light in a wavelength range of 450 nm to 680 nm, the refractive index difference between the graft copolymer (A) and the copolymer (B) of a (meth)acrylic acid ester-aromatic vinyl compound-vinyl cyanide based compound is less than 0.003, and when measuring the flow index according to ASTM D1238, the flow index is 4.0g/10 min or less. A thermoplastic resin molded article prepared from said thermoplastic resin composition exhibits high environmental stress cracking resistance (ESCR) as well as excellent impact resistance and transparency.

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Номер записи: 27

21-09-2017 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE MANUFACTURED THEREFROM

Номер: WO2017160011A1

Автор: LEE, Won Seok, CHOI, Jeong Su, YOO, Keun Hoon, JANG, Seok Goo, LEE, Roo Da, PARK, Sang Hoo, KIM, Ho Hoon, SHIM, Hyung Seop

Принадлежит:

The present disclosure relates to a thermoplastic resin composition and a molded article manufactured therefrom and, more specifically, to a thermoplastic resin composition containing: (A) a grafted copolymer obtained by graft copolymerization of a conjugated diene rubber, a (meth)acrylic acid alkyl ester compound, a methylene butyrolactone compound, and an aromatic vinyl compound; and (B) a copolymer obtained by copolymerization of a (meth)acrylic acid alkyl ester compound, an aromatic vinyl compound, and a vinyl cyan compound, and to a molded article manufactured therefrom. According to the present disclosure, the present invention has effects of providing a thermoplastic resin composition having excellent heat resistance and transparency and a molded article manufactured therefrom.

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Номер записи: 28

10-03-2016 дата публикации

Manufacturing method of transparent thermoplastic resin having no mold deposit

Номер: KR0101602531B1

Автор: 유근훈, 장석구, 최정수, 이원석, 이루다, 박상후

Принадлежит: 주식회사 엘지화학

... 본 발명은 투명성, 충격강도 및 가공성이 뛰어나고, 고속 연속 사출 성형 시 금형 침전(mold deposit)이 생성되지 않는 투명 열가소성 수지의 제조방법에 관한 것으로서, (1) 반응형 유화제를 사용하여 공액디엔 단량체로부터 고무 라텍스를 제조하는 고무 라텍스 제조단계; (2) 개시제를 사용하여 상기 고무 라텍스에 (메트)아크릴산 단량체, 방향족비닐 단량체 및 비닐시안 단량체를 그라프트 공중합시켜 수지 라텍스를 제조하는 수지 라텍스 제조단계; (3) 상기 수지 라텍스를 응집시켜 습윤 분말을 수득하는 응집단계; 및 (4) 상기 습윤 분말을 방향족비닐계 공중합체와 함께 습식공압출하여 펠릿을 제조하는 습식공압출단계;를 포함하여 이루어짐을 특징으로 한다.

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Номер записи: 29

04-01-2016 дата публикации

TRANSPARENT THERMOPLASTIC RESIN COMPOSITION AND METHOD FOR PREPARING THEM

Номер: KR0101582368B1

Автор: 장석구, 최정수, 유근훈, 이원석, 이루다

Принадлежит: 주식회사 엘지화학

... 본 발명은 투명 열가소성 수지 조성물 및 그 제조방법에 관한 것으로, 구체적으로는 반응형 유화제와 2종 응집제 혼합액을 사용하여 그라프트 공중합체 라텍스의 응집을 효과적으로 수행할 뿐 아니라 열 안정성이 우수하고 가공성이 개선된 투명 열가소성 수지 조성물 및 그 제조방법을 제공할 수 있다.

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Номер записи: 30

20-04-2016 дата публикации

ABS EMULSION GRAFT RESIN CONTAINING (METH)ACRYLIC ACID ALKYL ESTER, TRANSPARENT THERMOPLASTIC RESIN COMPOSITION, AND PRODUCING METHOD THEREOF

Номер: KR1020160042479A

Автор: LEE, WON SEOK, CHOI, JEONG SU, YOO, KEUN HOON, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON

Принадлежит:

The present invention relates to an ABS emulsion graft resin containing (meth)acrylic acid alkyl ester, which comprises alkali metal hydroxide, to a transparent thermoplastic resin composition, and to a producing method thereof. According to the present invention, a transparent thermoplastic resin has stability against latex, has improved external appearance quality by preventing the generation of insoluble salts when being agglomerated, and has high productivity. COPYRIGHT KIPO 2016 ...

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Номер записи: 31

06-03-2023 дата публикации

민물김 추출물 또는 이의 분획물을 유효성분으로 포함하는 부종 예방 또는 치료용 조성물

Номер: KR102506493B1

Автор: 조재열, 김성규, 박상희, 이채영, 임혜연, 김동삼, 장석구

Принадлежит: 삼척시

... 본 발명은 민물김 추출물을 유효성분으로 포함하는 부종 예방 또는 치료용 조성물에 관한 것으로, 부종 또는 염증관련 단백질 및 염증 신호전달 관련 단백질의 발현 등을 효과적으로 억제하여 항부종용 조성물로 용이하게 사용 가능하다.

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Номер записи: 32

09-06-2016 дата публикации

METHOD FOR PREPARING THERMOPLASTIC RESIN

Номер: WO2016089000A1

Автор: OH, Hyun Taek, CHOI, Jeong Su, YOO, Keun Hoon, AHN, Bong Keun, LEE, Won Seok, JANG, Seok Goo, LEE, Roo Da, PARK, Sang Hoo, KIM, Ho Hoon, SHIM, Hyung Seop

Принадлежит:

The present invention relates to a method for preparing a thermoplastic resin and, more specifically, to a method for preparing a thermoplastic resin, a thermoplastic resin, a method for preparing a thermoplastic resin composition containing the thermoplastic resin, and a thermoplastic resin composition, wherein the method for preparing a thermoplastic resin comprises the steps of: i) preparing a graft copolymer latex by graft-polymerizing, onto a) a conjugated diene rubber, b) at least one selected from the group consisting of aromatic vinyl compounds, vinyl cyan compounds, and acrylate-based compounds; and ii) introducing a polymeric antibiotic having a primary, secondary, tertiary, or quaternary amine group to the graft copolymer latex, followed by coagulation. According to the present invention, the graft copolymer latex is prepared, and then coagulated using a specific antibiotic, thereby providing a thermoplastic resin having excellent antibiotic activity and melt-kneadability and ...

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Номер записи: 33

08-06-2017 дата публикации

TRANSPARENT THERMOPLASTIC RESIN AND MANUFACTURING METHOD THEREOF

Номер: KR1020170062886A

Автор: LEE, ROO DA, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to: a transparent thermoplastic resin and, more particularly, to a transparent thermoplastic resin comprising a random copolymerization block containing 50 to 80 wt% of an aromatic vinyl compound, 10 to 30 wt% of a vinyl cyan compound and 0 to 15 wt% of a (meth)acrylic acid alkyl ester, and polymerized therewith; and an aromatic vinyl compound block comprising 1 to 10 wt% of an aromatic vinyl compound, and polymerized therewith; a transparent thermoplastic resin composition comprising the same; and a manufacturing method thereof. The present invention aims to provide the transparent thermoplastic resin composition excellent in transparency, impact strength, fluidity, and productivity by comprising the transparent thermoplastic resin, and to provide a manufacturing method thereof. COPYRIGHT KIPO 2017 ...

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Номер записи: 34

27-09-2017 дата публикации

THERMOPLASTIC RESIN AND PREPARING METHOD THEREOF

Номер: KR1020170108488A

Автор: LEE, WON SEOK, CHOI, JEONG SU, YOO, KEUN HOON, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to a thermoplastic resin and a preparing method thereof. According to the present invention, aromatic vinyl compounds such as styrene monomers are excluded, and a compound having a specific glass transition temperature range in the homopolymer type and a radical initiator having a specific half-life period are used to form a transparent thermoplastic resin having excellent heat resistance and scratch resistance. COPYRIGHT KIPO 2017 ...

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Номер записи: 35

19-05-2011 дата публикации

METHOD AND SYSTEM FOR ONLINE CONCERT AND VIEWING SERVICE IN AVATAR COMMUNITY SPACE

Номер: WO2011059206A3

Автор: NAM, Gun-Hee, SHIN, Sung-Woo, PARK, Jun-Kue, LEE, Dong-Soo, JANG, Seok-Ku, KANG, Sung-Gyou, KANG, Jeong-Joong, YOON, Jun-Hee

Принадлежит:

The present invention relates to a method and system for an online concert and viewing service in an avatar community space where users may perform a concert using an instrument playing game and view the games of others and listen to their performances. The method and system for the online concert and viewing service in an avatar community space according to the present invention comprises: a server generating a stage zone after receiving a concert start request from a user avatar who enters the community space and then storing information on the performance as well as information on the zone in a concert DB; receiving a concert participation request from another user avatar and updating concert player data for the performance information; receiving a concert viewing request from a viewer avatar who enters the community space and updating viewer data in the concert DB; and providing the user terminals of the performers and viewers with a concert music play service synchronous with the screen ...

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Номер записи: 36

12-09-2016 дата публикации

고무강화 그라프트 공중합체용 단량체 조성물, 고무강화 그라프트 공중합체 및 이를 포함하는 고무강화 열가소성 고투명 수지

Номер: KR0101656919B1

Автор: 이원석, 최정수, 유근훈, 장석구, 이루다

Принадлежит: 주식회사 엘지화학

... 본 발명은 고무강화 그라프트 공중합체용 단량체 조성물, 고무강화 그라프트 공중합체 및 이를 포함하는 고무강화 열가소성 고투명 수지에 관한 것으로, 본 발명에 따르면, 광 확산도, 광 투과율, 황변 지수를 개선시키고, 저온 백화성 또한 확보할 수 있다. 특히 소디움 포름알데히드 술폭시레이트(SFS)와 철 이온을 사용하지 않고 고 투명 및 자연 색상에 가까운 색상을 제공할 수 있다.

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Номер записи: 37

14-08-2017 дата публикации

열가소성 투명 수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품

Номер: KR0101765374B1

Автор: 오현택, 최정수, 유근훈, 이원석, 장석구, 이루다, 박상후, 김호훈

Принадлежит: 주식회사 엘지화학

... 본 발명은 열가소성 투명 수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품에 관한 것으로, 보다 상세하게는 a) 공액디엔 고무 라텍스에, b) (메트)아크릴산 알킬 에스테르 화합물, c) 방향족 비닐 화합물 및 d) 비닐시안 화합물이 그라프트 공중합된 그라프팅 공중합체(A) 20 내지 80 중량부; 및 b') (메트)아크릴산 알킬 에스테르 화합물, c') 방향족 비닐 화합물 및 d') 비닐시안 화합물이 공중합된 MSAN 수지(B) 20 내지 80 중량부[(A)+(B) = 100 중량부]를 포함하되, 상기 그라프팅 공중합체(A)는 1급 또는 2급 아민기를 갖는 고분자 응집제를 포함하고, 상기 그라프팅 공중합체(A)와 MSAN 수지(B)의 굴절률 차이는 0.01 이하인 것을 특징으로 하는 항균 및 습열 특성이 우수한 투명 수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품에 관한 것이다. 본 발명에 따르면, 내충격성, 가공성 등 전체적인 물성이 균형을 이루는 동시에, 특히 항균성, 습열 특성 및 투명성이 우수한 열가소성 투명 수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품을 제공하는 효과가 있다.

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Номер записи: 38

01-08-2018 дата публикации

GRAFT COPOLYMER, PREPARATION METHOD THEREFOR, THERMOPLASTIC RESIN COMPOSITION CONTAINING SAME, AND MOLDED PRODUCT

Номер: KR1020180086837A

Автор: JANG, SEOK GOO, CHOI, JEONG SU, LEE, WON SEOK, LEE, ROO DA, PARK, SANG HOO, OK, HYE JEONG, KIM, HO HOON, SHIM, HYUNG SEOP, YOO, KEUN HOON

Принадлежит:

The present invention relates to a graft copolymer having improved thermal stability, a preparation method therefor, a thermoplastic resin composition containing the same, and a molded product and, more specifically, to a graft copolymer having a core-shell structure, wherein the graft copolymer is polymerized by comprising a specific amount of sorbic acid metal salt, which can be readily removed in a dehydration process, as an emulsifier so as to alleviate the problem of thermal stability deterioration caused by residual emulsifiers during the preparation of an emulsion-polymerized graft copolymer. According to the present invention, by reducing the amount of residual emulsifiers, the thermal stability of the graft copolymer is improved, and the thermoplastic resin composition and the molded product, which comprise the same, have excellent impact strength, flowability, and the like and also have effects of improved physical properties such as transparency, the degree of discoloration during ...

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Номер записи: 39

18-10-2017 дата публикации

APPARATUS AND METHOD TO CONTROL IDLE ROLLER

Номер: KR101786373B1

Автор: GIM, GYUNG MAN, KIM, DO HYUN, JANG, SEOK KOO, HONG, HEUN HO, LEE, JONG KUG

Принадлежит: POSCO

The present invention relates to an apparatus and a method to control an idle roller. The apparatus to control an idle roller comprises: a moving base; a stopper installed in the moving base to be in contact with the idle roller; and a lifting means lifting the moving base, thereby preventing a defect caused by a collision between the idle roller and a material of surface quality of a product, and protecting the facilities. Ultimately, productivity of a process is able to be increased, and a quality of a product is able to be improved. COPYRIGHT KIPO 2017 ...

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Номер записи: 40

27-09-2017 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE PREPARED THEREFROM

Номер: KR1020170108516A

Автор: LEE, WON SEOK, CHOI, JEONG SU, YOO, KEUN HOON, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to a thermoplastic resin composition and to a molded article prepared therefrom, and more particularly, to a thermoplastic resin composition and to a molded article prepared therefrom, wherein the thermoplastic resin composition comprises: (A) a graft copolymer obtained by graft copolymerizing conjugated diene rubber, a (meth) acrylic acid alkyl ester compound, a methylene butyrolactone compound, and an aromatic vinyl compound; and (B) a copolymer copolymerized with a (meth) acrylic acid alkyl ester compound, an aromatic vinyl compound, and a vinyl cyan compound. According to the present invention, provided are the thermoplastic resin composition excellent in heat resistance and transparency and the molded article prepared therefrom. COPYRIGHT KIPO 2017 ...

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Номер записи: 41

19-03-2018 дата публикации

TRANSPARENT THERMOPLASTIC RESIN AND PREPARATION METHOD THEREOF

Номер: KR1020180028906A

Автор: CHOI, JEONG SU, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP, YOO, KEUN HOON, OK, HYE JEONG

Принадлежит:

The present invention relates to a transparent thermoplastic resin and a preparation method of the transparent thermoplastic resin. More specifically, the present invention relates to the transparent thermoplastic resin and the preparation method of the transparent thermoplastic resin, the transparent thermoplastic resin comprising: A) 50 to 75 wt% of a graft resin which has been graft polymerized by including a-1) 40 to 60 wt% of a small diameter conjugated diene rubber having an average particle diameter of 500 to 1,800 Å, a-2) 25 to 45 wt% of a (meth)acrylic acid alkyl ester compound, a-3) 8 to 18 wt% of an aromatic vinyl compound, and a-4) 0 to 10 wt% of a vinyl cyanide compound; and B) 25 to 50 wt% of a copolymer resin which has been copolymerized by including b-1) 60 to 80 wt% of a (meth)acrylic acid alkyl ester compound, b-2) 15 to 35 wt% of an aromatic vinyl compound, and b-3) 0 to 10 wt% of a vinyl cyanide compound, wherein a weight ratio (a-1/(a-2 + b-1)) of a-1) the small diameter ...

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Номер записи: 42

15-06-2016 дата публикации

METHOD FOR PREPARING THERMOPLASTIC RESIN

Номер: KR1020160068644A

Автор: OH, HYUN TAEK, CHOI, JEONG SU, YOO, KEUN HOON, AHN, BONG KEUN, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to a method for preparing a thermoplastic resin. More particularly, the present invention relates to a method for preparing a thermoplastic resin comprising the steps of: i) carrying out graft polymerization of a) conjugated diene rubber with b) at least one selected from the group comprising an aromatic vinyl compound, a vinyl cyanide compound and an acrylate compound to obtain a graft copolymer latex; and ii) introducing a polymer antibacterial agent having a primary, secondary, tertiary or quaternary amine group to the graft copolymer latex to carry out agglomeration. The present invention also relates to a thermoplastic resin obtained by the method, a method for preparing a thermoplastic resin composition comprising the same, and a thermoplastic resin composition obtained thereby. According to the present invention, a graft copolymer latex is formed and then agglomerated with a specific antibacterial agent. Thus, it is possible to provide a method for preparing ...

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Номер записи: 43

05-09-2016 дата публикации

내후성 보강 아크릴레이트계 수지의 제조방법

Номер: KR0101651736B1

Автор: 이루다, 최정수, 이원석, 장석구, 박상후, 유근훈

Принадлежит: 주식회사 엘지화학

... 본 발명은 내후성 보강 아크릴레이트계 수지의 제조방법에 관한 것으로, 구체적으로는 아크릴레이트-스티렌계 그라프트 공중합체에 활성화제 프리 전환율 개선제를 포함시켜 아크릴레이트-스티렌계 넌그라프트(non-graft) 공중합체와 혼련시 광확산도(Haze value), 광투과율(light transmittance), 황변지수(Yellow Index)를 개선시키고, 내후성까지 확보할 수 있다. 특히 본 발명에 따르면, 소디움 포름알데히드 술폭시레이트(SFS)와 철 이온을 사용하지 않고도 자연 색상에 가깝게 색상이 우수한 내후성 보강 열가소성 수지를 제공할 수 있다.

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Номер записи: 44

11-05-2016 дата публикации

TRANSPARENT THERMOPLASTIC RESIN COMPOSITION AND PREPARATION METHOD OF TRANSPARENT THERMOPLASTIC RESIN

Номер: KR1020160051438A

Автор: PARK, SANG HOO, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, KIM, HO HOON

Принадлежит:

The present invention relates to a transparent thermoplastic resin composition and a preparation method of a transparent thermoplastic resin. According to the present invention, provided are a transparent thermoplastic resin which has improved surface quality by reducing projections generated by insufficiently covering a rubber component with a methyl methacrylate-styrene-acrylonitrile graft copolymer which is a hard shell for graft polymerization. The thermoplastic resin comprises: 5 to 60 wt% of conjugated diene-based rubber; 20 to 75 wt% of a methacrylic acid alkyl ester monomer or an acrylic acid alkyl ester monomer; 10 to 50 wt% of an aromatic vinyl monomer; 0 to 10 wt% of a vinyl cyanide monomer; and 0.05 to 10 wt% of at least one kind of unsaturated compound selected from unsaturated fatty acid, unsaturated ester, and terpene having an unsaturated bond. COPYRIGHT KIPO 2016 ...

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Номер записи: 45

07-04-2016 дата публикации

THERMOPLASTIC RESIN COMPOSITION HAVING EXCELLENT CHEMICAL RESISTANCE AND TRANSPARENCY, METHOD FOR PREPARING SAME, AND MOLDED PRODUCT COMPRISING SAME

Номер: WO2016052832A1

Автор: CHOI, Jeong Su, KIM, Ho Hoon, PARK, Sang Hoo, YOO, Keun Hoon, LEE, Roo Da, LEE, Won Seok, JANG, Seok Goo

Принадлежит:

The present invention relates to a transparent resin composition which has excellent chemical resistance and transparency and is usable for medical purposes and food containers, a method for preparing the same, and a molded product manufactured therefrom and, specifically, to a transparent thermoplastic resin composition having excellent chemical resistance and transparency, a method for preparing the same, and a molded product manufactured therefrom, wherein the composition contains: (A) a graft copolymer obtained by graft-copolymerizing, onto a) conjugated diene rubber latex, b) a methacrylic acid alkyl ester compound or an acrylic acid alkyl ester compound, c) an aromatic vinyl compound, and d) a vinyl cyan compound; (B) a copolymer resin obtained by copolymerizing i) a methacrylic acid alkyl ester compound or an acrylic acid alkyl ester compound, ii) an aromatic vinyl compound, and iii) a vinyl cyan compound; and (C) a polyether-amide bloc copolymer.

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Номер записи: 46

25-04-2019 дата публикации

METHOD FOR PRODUCING GRAFT COPOLYMER COMPOSITE, GRAFT COPOLYMER COMPOSITE, AND THERMOPLASTIC RESIN COMPOSITION INCLUDING SAME

Номер: WO2019078514A1

Автор: PARK, Sang Hoo, JANG, Seok Goo, OK, Hye Jeong, KIM, Ho Hoon, SHIM, Hyung Seop, CHOI, Jeong Su, YOO, Keun Hoon, LEE, Won Seok, LEE, Roo Da, LEE, Jong Ju

Принадлежит:

The present invention relates to a method for producing a graft copolymer composition, a copolymer composite, and a thermoplastic resin composition including same, wherein the method comprises: a step for producing a graft copolymer latex through emulsion polymerization of a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl(meth)acrylate-based monomer; and a step for introducing an imidazole-based ionic compound into the graft copolymer latex and coagulating the same.

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Номер записи: 47

26-08-2016 дата публикации

광확산 조성물 및 이를 포함하는 광확산 수지 조성물

Номер: KR0101651719B1

Автор: 이루다, 최정수, 유근훈, 이원석, 장석구

Принадлежит: 주식회사 엘지화학

... 본 발명은 광확산 조성물 및 이를 포함하는 광확산 수지 조성물에 관한 것으로, 구체적으로는 특정 굴절율 값을 만족하는 수지들로 구성된 광확산 조성물, 및 광확산 수지 조성물을 제공함으로써, 투명 열가소성 수지의 광확산성을 개선하기 위하여 투입하는 종래 광확산제에 의하여 저감되던 물성을 개선시키고, 충격강도 및 가공성을 유지하면서 직사광, 형광등 또는 LED 등의 빛을 투과시키거나 확산시키는 광확산성을 효율적으로 제공할 수 있다.

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Номер записи: 48

14-08-2017 дата публикации

투명 열가소성 수지 조성물 및 투명 열가소성 수지의 제조방법

Номер: KR0101764961B1

Автор: 이루다, 최정수, 유근훈, 이원석, 장석구, 박상후, 김호훈

Принадлежит: 주식회사 엘지화학

... 본 기재는 투명 열가소성 수지 조성물 및 이로부터 투명 열가소성 수지의 제조방법에 관한 것으로, 본 기재에 따르면, 사출시 체류 안정성이 뛰어나고, 특히 장기간 보관 사용에도 색상 및 열안정성이 우수한 투명 열가소성 수지 조성물 및 이로부터 투명 열가소성 수지의 제조방법을 제공하는 효과가 있다.

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Номер записи: 49

28-09-2018 дата публикации

내화학성 및 투명성이 우수한 열가소성 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품

Номер: KR0101902060B1

Автор: 최정수, 유근훈, 이원석, 장석구, 이루다, 박상후, 김호훈

Принадлежит: 주식회사 엘지화학

... 본 발명은 내화학성 및 투명성이 우수한 의료용 및 식품용기용으로 사용 가능한 투명수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품에 관한 것으로, 특히 (A) a) 공액디엔 고무라텍스에 b) 메타크릴산 알킬 에스테르 화합물 또는 아크릴산 알킬에스테르 화합물, c) 방향족 비닐 화합물, 및 d) 비닐시안 화합물을 그라프트 공중합한 그라프트 공중합체; (B) ⅰ) 메타크릴산 알킬 에스테르 화합물 또는 아크릴산 알킬에스테르 화합물, ⅱ) 방향족 비닐 화합물, 및 ⅲ) 비닐시안 화합물을 공중합한 공중합 수지; 및 (C) 폴리에테르-아미드 블록 공중합체를 포함하여 내화학성 및 투명성이 우수한 열가소성 투명수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품에 관한 것이다.

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Номер записи: 50

16-10-2015 дата публикации

Transparent thermoplastic resin and method of preparing the same

Номер: KR0101561328B1

Автор: 이원석, 최정수, 유근훈, 장석구

Принадлежит: 주식회사 엘지화학

... 코어-쉘 구조의 충격보강제를 제조함에 있어서 외각층인 경질 고분자 쉘층을 2단계에 걸쳐 중합할 때, 첫 번째 단계에 가교성 단량체를 투입함으로써 가공성, 표면 경도, 고투명성 등을 유지하면서 초저온 백화 현상이 나타나지 않으며, 내충격성이 우수한 열가소성 투명수지 및 이를 포함하는 열가소성 수지 조성물을 제공한다.

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Номер записи: 51

29-06-2016 дата публикации

THERMOPLASTIC RESIN COMPOSITIONS HAVING EXCELLENT CHEMICAL RESISTANCE AND TRANSPARENCY, METHOD FOR PREPARING SAME AND MOLDED ARTICLE COMPRISING SAME

Номер: KR1020160075415A

Автор: CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON

Принадлежит:

The present invention relates to a transparent resin composition having excellent chemical resistance and transparency and applicable to medical and food containers, a method for preparing the same and a molded article obtained therefrom. Particularly, the present invention relates to a thermoplastic transparent resin composition having excellent chemical resistance and transparency, which comprises: (A) a graft copolymer obtained by graft copolymerization of a) conjugated diene rubber latex, b) an alkyl methacrylate compound or alkyl acrylate compound, c) an aromatic vinyl compound, and d) a vinyl cyanide compound; (B) a resin obtained by copolymerization of i) an alkyl methacrylate compound or alkyl acrylate compound, ii) an aromatic vinyl compound and iii) a vinyl cyanide compound; and (C) a polyether-amide block copolymer, a method for preparing the same, and a molded article obtained therefrom. COPYRIGHT KIPO 2016 ...

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Номер записи: 52

01-07-2015 дата публикации

NOVEL COMPOUND AND MANUFACTURING METHOD THEREOF

Номер: KR1020150073485A

Автор: CHOI, HAN YOUNG, CHANG, SUK KU

Принадлежит:

The present invention relates to a novel compound and a manufacturing method thereof and, more specifically, to a novel compound and a manufacturing method thereof, which can represent the significantly improved crosslinking efficiency in the case of being used as a crosslinking agent with excellent reactivity with respect to a crosslinking reaction. The present invention comprises a compound represented by the chemical formula 1. COPYRIGHT KIPO 2015 ...

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Номер записи: 53

02-08-2018 дата публикации

GRAFT COPOLYMER, PREPARATION METHOD THEREFOR, THERMOPLASTIC RESIN COMPOSITION CONTAINING SAME, AND MOLDED PRODUCT

Номер: WO2018139775A1

Автор: JANG, Seok Goo, CHOI, Jeong Su, LEE, Won Seok, LEE, Roo Da, PARK, Sang Hoo, OK, Hye Jeong, KIM, Ho Hoon, SHIM, Hyung Seop, YOO, Keun Hoon

Принадлежит:

The present invention relates to a graft copolymer having improved thermal stability, a preparation method therefor, a thermoplastic resin composition containing the same, and a molded product and, more specifically, to a graft copolymer having a core-shell structure, the graft copolymer being polymerized by comprising a specific amount of metal sorbate, which can be readily removed in a dehydration process, as an emulsifier so as to alleviate the problem of thermal stability deterioration caused by residual emulsifiers during the preparation of an emulsion-polymerized graft copolymer. According to the present invention, by reducing the amount of residual emulsifiers, the thermal stability of a graft copolymer is improved, and a thermoplastic resin composition and a molded product, which comprise the same, have excellent impact strength, flowability, and the like and also have effects of improved physical properties such as transparency, a degree of discoloration during injection duration ...

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Номер записи: 54

18-07-2019 дата публикации

METHOD FOR MANUFACTURING GRAFT COPOLYMER POWDER

Номер: WO2019103369A3

Автор: LEE, Jong Ju, CHOI, Jeong Su, LEE, Won Seok, LEE, Roo Da, KIM, Ho Hoon, YOO, Keun Hoon, JANG, Seok Goo, PARK, Sang Hoo, OK, Hye Jeong, SHIM, Hyung Seop

Принадлежит:

The present invention relates to a method for manufacturing a graft copolymer powder, the method comprising the steps of: emulsion polymerizing a conjugated diene polymer, an aromatic vinyl monomer, and an alkyl (meth)acrylate monomer to prepare a graft copolymer latex; agglomerating the graft copolymer latex; aging the agglomerated graft copolymer; dehydrating the aged graft copolymer to prepare a graft copolymer wet powder; and introducing poly(oxyalkylene) diglycolic acid into the graft copolymer wet powder.

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Номер записи: 55

02-05-2019 дата публикации

GRAFT COPOLYMER, THERMOPLASTIC RESIN COMPOSITION COMPRISING SAME AND PREPARATION METHOD THEREFOR

Номер: WO2019083153A1

Автор: SHIM, Hyung Seop, LEE, Won Seok, JANG, Seok Goo, PARK, Sang Hoo, OK, Hye Jeong, CHOI, Jeong Su, YOO, Keun Hoon, LEE, Roo Da, KIM, Ho Hoon, LEE, Jong Ju

Принадлежит:

The present invention relates to a graft copolymer, a thermoplastic resin composition comprising the same and a preparation method therefor and, more particularly, the present invention provides: a graft copolymer in which silica modified with a particular compound is dispersed in a specific content range in a shell of the graft copolymer; a thermoplastic resin composition comprising the same; and a preparation method therefor. According to the present invention, the silica modified with a particular compound is dispersed around a rubber particle, that is, in the shell of the graft copolymer, thereby enabling dispersibility of the graft copolymer to improve and ultimately providing advantages of enabling mechanical properties such as an impact strength and a tensile strength to be remarkably improved over those of a resin composition having an equal rubber content while maintaining transparency equal to or higher than that of a conventional graft copolymer.

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Номер записи: 56

11-03-2016 дата публикации

PREPARATION METHOD OF RESIN POWDER AND INTEGRAL FLOCCULATION DEVICE FOR SAME

Номер: KR1020160028357A

Автор: JU, MIN CHEOL, CHOI, JEONG SU, LEE, HYUNG SUB, LEE, WON SEOK, JANG, SEOK GOO, SHIN, MIN SEUNG, HONG, SUNG WON, YOO, KEUN HOON, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, KIM, IN SOO

Принадлежит:

The present invention relates to a preparation method of resin powder and an integral reactor for the same. According to the present invention, resin powder with improved most heat resistance and thermal stability can be prepared by performing a flocculation process using an acid flocculant in the integral flocculation device for flocculating and ripening latex and by removing remaining acid flocculant in the reactor through neutralization. COPYRIGHT KIPO 2016 (AA) Transfer direction (BB) Rotation direction ...

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Номер записи: 57

10-03-2016 дата публикации

METHOD FOR PREPARING RESIN POWDER AND INTEGRAL COAGULATING DEVICE THEREFOR

Номер: WO2016036095A1

Автор: JU, Min Cheol, SHIN, Min Seung, HONG, Sung Won, LEE, Hyung Sub, PARK, Sang Hoo, JANG, Seok Goo, LEE, Roo Da, LEE, Won Seok, YOO, Keun Hoon, CHOI, Jeong Su, KIM, In Soo, KIM, Ho Hoon

Принадлежит:

The present invention relates to a method for preparing resin powder and an integral reactor therefor. According to the present invention, a coagulating process is performed by using an acid coagulant in an integral coagulating device for coagulating and aging latex, wherein the remaining acid coagulant is also removed by means of neutralization in a reactor, thereby enabling the preparation of a resin powder having both moist heat resistance and thermal stability improved.

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Номер записи: 58

21-04-2022 дата публикации

THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PREPARING SAME, AND MOLDED ARTICLE COMPRISING SAME

Номер: WO2022080631A1

Автор: SHIM, Hyungseop, JANG, Seokgoo, NAM, Ki Young

Принадлежит:

The present disclosure relates to a thermoplastic resin composition, a method for preparing same, and a molded article comprising same and, more particularly, to a thermoplastic resin composition, a method for preparing same, and a molded article comprising same, the thermoplastic resin composition comprising: with respect to 100 parts by weight of a base resin composed of a graft copolymer and a non-graft copolymer, 6 to 15 parts by weight of a polyether-amide block copolymer; 0.2 to 0.9 parts by weight of a metal stearate; and 0.001 to 0.006 parts by weight of an organic pigment. According to the present invention, there is an effect of providing: a thermoplastic resin composition which has excellent transparency, colorability, color stability, chemical resistance and antistatic properties, and thus is suitable as a medical product; a method for preparing same; and a molded article comprising same.

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Номер записи: 59

15-03-2018 дата публикации

THERMOPLASTIC TRANSPARENT RESIN AND PREPARATION METHOD THEREFOR

Номер: WO2018048136A1

Автор: CHOI, Jeong Su, LEE, Won Seok, JANG, Seok Goo, LEE, Roo Da, PARK, Sang Hoo, KIM, Ho Hoon, SHIM, Hyung Seop, YOO, Keun Hoon, OK, Hye Jeong

Принадлежит:

The present invention relates to a thermoplastic transparent resin and a preparation method therefor, and has effects of providing: a thermoplastic transparent resin having no flow marks generated on the surface thereof, having excellent transparency, and having excellent whitening resistance and low temperature whitening resistance, thereby preventing cracks or whitening even during processing; a preparation method therefor; and the like.

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Номер записи: 60

01-06-2017 дата публикации

THERMOPLASTIC RESIN, METHOD FOR PREPARING SAME, AND THERMOPLASTIC RESIN COMPOSITION INCLUDING SAME

Номер: KR1020170060261A

Автор: YOO, KEUN HOON, JANG, SEOK GOO, CHOI, JEONG SU, AHN, BONG KEUN, LEE, WON SEOK, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to a thermoplastic resin, a method for preparing the same, and a thermoplastic resin composition including the same. More specifically, the present invention relates to the thermoplastic resin graft polymerized by comprising: 100 parts by weight of a mixture comprising a) 45 to 80 wt% of conjugated diene rubber, b) 10 to 40 wt% of (meth)acrylic alkyl esters, c) 1 to 15 wt% of a vinyl cyanide compound, and d) 5 to 20 wt% of an aromatic vinyl compound; and e) 0.001 to 1 part by weight of terpene, wherein a difference between the refractive index of the polymer comprising b) the (meth)acrylic alkyl esters, c) the vinyl cyanide compound, and d) the aromatic vinyl compound and the refractive index of a) the conjugated diene rubber is less than ±0.01. Further, the present invention relates to the method for preparing the same, and the thermoplastic resin composition. Accordingly, the present invention has an effect of providing the thermoplastic resin with a graft ...

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Номер записи: 61

28-12-2017 дата публикации

열가소성 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품

Номер: KR0101802021B1

Автор: 최정수, 유근훈, 이원석, 장석구, 이루다, 박상후, 김호훈, 주민철, 신민승, 홍성원, 김인수, 이형섭

Принадлежит: 주식회사 엘지화학

... 본 기재는 열가소성 수지 조성물 및 그 제조방법에 관한 것으로, 보다 상세하게는 유기산 또는 유기산 염으로 응집된 그라프트 공중합체 수지 10 내지 90중량%; 및 비그라프트 공중합체 수지 90 내지 10중량%;를 포함하되, 습열특성(ΔHaze)이 20 이하이고, 상기 그라프트 공중합체 수지와 상기 비그라프트 공중합체 수지의 굴절율 차이가 0.01 미만인 것을 특징으로 하는 열가소성 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품에 관한 것이다. 본 기재에 따르면, 전체적인 물성 밸런스, 색상 및 투명성이 우수하고, 특히 내습열성이 뛰어나 고온의 물에 노출되거나 소독이 필요한 제품에도 적용 가능한 열가소성 수지 조성물, 이의 제조방법 및 이를 포함하는 성형품을 제공하는 효과가 있다.

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Номер записи: 62

31-05-2019 дата публикации

METHOD FOR MANUFACTURING GRAFT COPOLYMER POWDER

Номер: WO2019103369A2

Автор: LEE, Jong Ju, CHOI, Jeong Su, LEE, Won Seok, LEE, Roo Da, KIM, Ho Hoon, YOO, Keun Hoon, JANG, Seok Goo, PARK, Sang Hoo, OK, Hye Jeong, SHIM, Hyung Seop

Принадлежит:

The present invention relates to a method for manufacturing a graft copolymer powder, the method comprising the steps of: emulsion polymerizing a conjugated diene polymer, an aromatic vinyl monomer, and an alkyl (meth)acrylate monomer to prepare a graft copolymer latex; agglomerating the graft copolymer latex; aging the agglomerated graft copolymer; dehydrating the aged graft copolymer to prepare a graft copolymer wet powder; and introducing poly(oxyalkylene) diglycolic acid into the graft copolymer wet powder.

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Номер записи: 63

19-05-2011 дата публикации

METHOD AND SYSTEM FOR ONLINE CONCERT AND VIEWING SERVICE IN AVATAR COMMUNITY SPACE

Номер: KR2011059206A2

Автор: NAM, Gun-Hee, SHIN, Sung-Woo, PARK, Jun-Kue, LEE, Dong-Soo, JANG, Seok-Ku, KANG, Sung-Gyou, KANG, Jeong-Joong, YOON, Jun-Hee

Принадлежит:

The present invention relates to a method and system for an online concert and viewing service in an avatar community space where users may perform a concert using an instrument playing game and view the games of others and listen to their performances. The method and system for the online concert and viewing service in an avatar community space according to the present invention comprises: a server generating a stage zone after receiving a concert start request from a user avatar who enters the community space and then storing information on the performance as well as information on the zone in a concert DB; receiving a concert participation request from another user avatar and updating concert player data for the performance information; receiving a concert viewing request from a viewer avatar who enters the community space and updating viewer data in the concert DB; and providing the user terminals of the performers and viewers with a concert music play service synchronous with the screen ...

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Номер записи: 64

05-02-2016 дата публикации

THERMOPLASTIC RESIN COMPOSITION, AND MOLDED ARTICLE PREPARED THEREFROM

Номер: KR0101592665B1

Автор: 최정수, 이원석, 장석구, 이루다, 박상후, 유근훈

Принадлежит: 주식회사 엘지화학

... 본 기재는 투명 열가소성 수지 조성물 및 이로부터 제조된 성형품에 관한 것으로, 보다 상세하게는 A) 고무강화 열가소성 투명수지 100 중량부 및 B) 디하이드로카르빌 펜타에리쓰리톨 디포스파이트(dialkyl pentaerythritol diphosphite) 0.01 내지 2 중량부를 포함하되, 상기 A) 고무강화 열가소성 투명수지는 공액디엔계 고무 5 내지 60 중량%, 메타크릴산 알킬에스테르 단량체 또는 아크릴산 알킬에스테르 단량체 20 내지 70 중량%, 방향족비닐 단량체 8 내지 50 중량%, 및 비닐시안 단량체 0 내지 20 중량%를 포함하여 중합된 것임을 특징으로 하는 투명 열가소성 수지 조성물 및 이로부터 제조된 성형품에 관한 것이다. 본 기재에 따르면, 투명성, 충격강도 및 가공성이 뛰어나고, 특히 장기간 보관 사용에도 변색이 되지 않으며, 하절기 콘테이너 이송 조건인 40 내지 80 ℃에서도 변색이 되지 않는 투명 열가소성 수지 조성물 및 이로부터 제조된 성형품을 제공하는 효과가 있다.

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Номер записи: 65

11-06-2015 дата публикации

Method of preparing transparent thermoplastic resin and transparent thermoplastic resin composition

Номер: KR0101528387B1

Автор: 이원석, 최정수, 유근훈, 장석구

Принадлежит: 주식회사 엘지화학

... 본 발명은 지방족 공액디엔계 고무 라텍스에 (메타)아크릴산 알킬에스테르 화합물, 방향족 비닐 화합물, 비닐시안 화합물 등의 단량체로 구성된 단량체 혼합물을 그라프트 공중합시키는 유화 중합 후 얻어지는 그라프트 공중합체 라텍스에 황산을 사용하여 응집한 후, 염화나트륨을 숙성시킴으로써 종래 황산을 응집제로 사용할 경우 잔류된 성분으로 인하여 가스발생불량 및 색상 안정성 저하의 문제점을 해결할 수 있는 열가소성 수지의 제조방법에 관한 것이다.

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Номер записи: 66

11-05-2016 дата публикации

TRANSPARENT THERMOPLASTIC RESIN COMPOSITION, AND METHOD FOR PRODUCING TRANSPARENT THERMOPLASTIC RESIN

Номер: KR1020160050942A

Автор: LEE, ROO DA, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, PARK, SANG HOO, KIM, HO HOON

Принадлежит:

The present invention relates to a transparent thermoplastic resin composition, and a method for producing a transparent thermoplastic resin using the same. The transparent thermoplastic resin composition has excellent residence stability when being injected, and has excellent color and thermal stability when being stored and used for a long time. In addition, the transparent thermoplastic resin composition comprises: A) 100 parts by weight of a rubber reinforced transparent thermoplastic resin; and B) 0.3 to 2.5 parts by weight of a styrene-base monomer. COPYRIGHT KIPO 2016 ...

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Номер записи: 67

09-03-2017 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND PREPARATION METHOD THEREFOR

Номер: WO2017039157A1

Автор: CHOI, Jeong Su, YOO, Keun Hoon, LEE, Won Seok, JANG, Seok Goo, LEE, Roo Da, PARK, Sang Hoo, KIM, Ho Hoon, SHIM, Hyung Seop

Принадлежит:

A thermoplastic resin composition and a preparation method therefor are disclosed, and according to the present disclosure, provided are: a thermoplastic resin composition having an excellent balance of physical properties such as processability, chemical resistance, thermal stability, and impact resistance, and having excellent transparency; and a preparation method therefor.

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Номер записи: 68

02-05-2017 дата публикации

〔메타〕아크릴산 알킬에스테르 함유 ＡＢＳ 유화 그라프트 수지와 투명 열가소성 수지 조성물 및 이의 제조방법

Номер: KR0101732230B1

Автор: 이원석, 최정수, 유근훈, 장석구, 이루다, 박상후, 김호훈

Принадлежит: 주식회사 엘지화학

... 본 발명은 (메타)아크릴산 알킬에스테르 함유 ABS 유화 그라프트 수지와 투명 열가소성 수지 조성물 및 이의 제조방법에 관한 것으로, 본 발명에 따르면 라텍스에 대하여 안정하고 응집시 불용성 염의 생성을 방지하여 외관 품질이 개선된 투명 열가소성 수지를 생산성 높게 제공하는 효과가 있다.

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Номер записи: 69

15-06-2016 дата публикации

TRANSPARENT THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING SAME, AND MOLDED PRODUCT PRODUCED THEREBY

Номер: KR1020160068295A

Автор: OH, HYUN TAEK, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON

Принадлежит:

The present invention relates to a transparent thermoplastic resin composition, a method of preparing the same, and a molded product produced thereby, and more particularly, to a transparent thermoplastic resin composition with an excellent antibacterial property and an excellent moist heat property, the thermoplastic transparent resin composition contains 100 parts by weight of the sum of (A) and (B), wherein 20-80 parts by weight of a graft copolymer (A) is graft copolymerized by including: a) conjugated diene rubber latex; b) a (meth) acrylic acid alkyl ester compound; c) an aromatic vinyl compound, and d) a vinyl cyanide compound; and 20-80 parts by weight of an MSAN resin (B) is copolymerized by including: b′) a (meth) acrylic acid alkyl ester compound; c′) an aromatic vinyl compound; and d′) a vinyl cyanide compound, wherein the graft copolymer (A) includes a polymer aggregating agent having a primary or secondary amine group and a refractive index difference between the graft copolymer ...

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Номер записи: 70

08-06-2017 дата публикации

METHOD FOR PREPARING THERMOPLASTIC RESIN, THERMOPLASTIC RESIN, AND THERMOPLASTIC RESIN COMPOSITION COMPRISING SAME

Номер: KR1020170062888A

Автор: SHIM, HYUNG SEOP, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, KIM, HO HOON

Принадлежит:

The present invention relates to a method for preparing a thermoplastic resin, a thermoplastic resin, and a thermoplastic resin composition comprising the same. More specifically, the method for preparing a thermoplastic resin comprises the following steps: graft-polymerizing one or more selected from the group consisting of a (meth) acrylic acid alkyl ester compound, an aromatic vinyl compound, and a vinyl cyan compound into conjugated diene rubber; and coagulating the polymerized graft copolymer latex. In the graft-polymerizing step or the coagulation step, or both steps, 0.0001 or greater and smaller than 0.02 parts by weight of a hydrophobic silicon solution is inserted with respect to 100 parts by weight of the graft copolymer. According to the present invention, provided are a method for preparing a thermoplastic resin which provides mechanical properties equal to or exceeding current specifications, has excellent permeability, transparency, and low-temperature whitening resistance ...

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Номер записи: 71

23-05-2019 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND THERMOPLASTIC RESIN MOLDED PRODUCT MANUFACTURED THEREFROM

Номер: WO2019066375A3

Автор: CHOI, Jeong Su, LEE, Won Seok, LEE, Roo Da, LEE, Jong Ju, YOO, Keun Hoon, JANG, Seok Goo, PARK, Sang Hoo, OK, Hye Jeong, KIM, Ho Hoon, SHIM, Hyung Seop

Принадлежит:

The present invention relates to a thermoplastic resin composition showing excellent transparency and whitening resistance. The thermoplastic resin composition of the present invention comprises: (A) a multi-layer structured graft copolymer; and (B) a thermoplastic copolymer, the multi-layer structured graft polymer (A) comprising: a conjugated diene-based rubber latex core having a weight average particle diameter of 500-2,000 Å; an intermediate layer; and a graft layer, wherein the glass transition temperature of the intermediate layer is 40°C or lower, the glass transition temperature of the graft layer is 80°C or higher, and the difference in refractive index between the graft copolymer (A) and the thermoplastic copolymer (B) is smaller than 0.01.

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Номер записи: 72

08-06-2018 дата публикации

THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING SAME AND MOLDED ARTICLE MANUFACTURED THEREFROM

Номер: KR1020180061934A

Автор: LEE, ROO DA, CHOI, JEONG SU, LEE, WON SEOK, JANG, SEOK GOO, PARK, SANG HOO, KIM, HO HOON, SHIM, HYUNG SEOP, YOO, KEUN HOON, OK, HYE JEONG

Принадлежит:

The present disclosure relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured therefrom. More specifically, the present invention relates to the thermoplastic resin composition comprising: 10 to 90 wt% of a thermoplastic graft resin (A) in which a methacrylate compound, an aromatic vinyl compound, a vinyl cyanide compound and a siloxane group-containing (meth)acrylate compound are graft polymerized onto a diene-based rubber; and 10 to 90 wt% of a thermoplastic resin in which the methacrylate compound, the aromatic vinyl compound, the vinyl cyanide compound and the siloxane group-containing (meth)acrylate compound are copolymerized. The present disclosure has effects of providing the thermoplastic resin composition which not only has excellent mechanical strength and processability, but also is excellent in transparency and chemical resistance that have conventionally been recognized as a trade-off relationship, the method of preparing ...

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Номер записи: 73

15-06-2017 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED PRODUCT COMPRISING SAME

Номер: WO2017099419A1

Автор: JANG, Seok Goo, CHOI, Jeong Su, YOO, Keun Hoon, LEE, Won Seok, LEE, Roo Da, PARK, Sang Hoo, KIM, Ho Hoon, SHIM, Hyung Seop

Принадлежит:

The present invention relates to a thermoplastic resin composition and a molded product comprising the same and, more specifically, to a thermoplastic resin composition comprising: 100 parts by weight of a base resin containing an acrylic graft copolymer and an acrylic non-graft copolymer; and a zinc-based antimicrobial agent in an amount greater than 0.3 parts by weight and less than 1.2 parts by weight, wherein the zinc-based antimicrobial agent has an average diameter greater than 3 μm and less than or equal to 30 μm; and a molded product comprising the same. According to the present invention, there are effects of providing: a thermoplastic resin composition having excellent transparency and remarkable initial antimicrobial activity and prolonged antimicrobial activity even while providing equal or higher mechanical properties; and a molded product comprising the same.

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Номер записи: 74

10-04-2023 дата публикации

투명 수지 조성물 및 성형품

Номер: KR20230047908A

Автор: 옥혜정, 장석구, 심형섭, 남기영

Принадлежит:

... 본 발명은 화학적 재활용된 단량체 단위를 포함하는 투명 매트릭스 수지를 포함하여 탄소 발생 저감 효과를 통해 친환경적이면서도, 기계적 물성 및 내후성이 우수한 투명 수지 조성물 및 이로부터 성형된 성형품에 관한 것이다.

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Номер записи: 75

30-06-2017 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLES COMPRISING SAME

Номер: KR1020170074647A

Автор: KIM, HO HOON, CHOI, JEONG SU, YOO, KEUN HOON, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, PARK, SANG HOO, SHIM, HYUNG SEOP

Принадлежит:

The present invention relates to a thermoplastic resin composition and molded articles, and more particularly, to a thermoplastic resin composition and molded articles comprising the same, the composition comprising: 100 wt% of a base resin comprising an acrylic graft copolymer and an acrylic-based ungrafted copolymer having the weight-average molecular weight of 50,000 or more and less than 150,000 g/mol; and 1 or more and less than 30 wt% of a polyester-based copolymer having the surface resistivity of 1X10^8 to 1X10^10 Ω/sq. According to the present invention, the present invention provides the thermoplastic resin composition excellent in fluidity and transparency, while having impact strength and an antistatic property equivalent or more, and molded articles comprising the same. COPYRIGHT KIPO 2017 ...

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Номер записи: 76

18-06-2018 дата публикации

TRANSPARENT THERMOPLASTIC RESIN COMPOSITION AND PREPARATION METHOD THEREOF

Номер: KR1020180065097A

Автор: PARK, SANG HOO, CHOI, JEONG SU, LEE, WON SEOK, JANG, SEOK GOO, LEE, ROO DA, OK, HYE JEONG, KIM, HO HOON, SHIM, HYUNG SEOP, YOO, KEUN HOON

Принадлежит:

The present invention relates to a transparent thermoplastic resin composition and a preparation method thereof. More specifically, the transparent thermoplastic resin composition of the present invention comprises: a first graft copolymer in which one or more of a (meth)acrylic acid alkyl ester-based compound, an aromatic vinyl compound or a vinyl cyanide compound are graft copolymerized onto a conjugated diene rubber with an average particle diameter of 500 to 2,000 Å a second graft copolymer in which one or more of the (meth)acrylic acid alkyl ester-based compound, the aromatic vinyl compound or the vinyl cyanide compound are graft copolymerized onto a conjugated diene rubber with an average particle diameter of 2,500 to 5,000 Å and a copolymer including one or more of the (meth)acrylic acid alkyl ester-based compound, the aromatic vinyl compound or the vinyl cyanide compound. The transparent thermoplastic resin composition according to the present invention is excellent in transparency ...

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