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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Применить Всего найдено 65. Отображено 65.
02-08-2018 дата публикации

스티렌계 수지의 제조방법 및 이로부터 제조된 스티렌계 수지

Номер: KR0101876005B1
Автор: 서재범, 한창훈, 이대우, 박정태, 김규선
Принадлежит: 주식회사 엘지화학

... 본 발명은 낮은 올리고머 함량을 갖는 스티렌계 수지의 제조방법 및 이로부터 제조된 스트렌계 수지에 관한 것이다. 이예 따른 제조방법은 중합 시 온도보다 5℃ 내지 25℃ 낮은 1시간 반감기를 갖는 중합 개시제를 이용하고, 탈휘발 조건을 조절함으로써 올리고머 함량이 감소된 스티렌계 수지를 제조할 수 있다.

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Номер записи: 1
09-05-2019 дата публикации

METHOD FOR PREPARING GRAFT COPOLYMER AND GRAFT COPOLYMER PREPARED THEREBY

Номер: WO2019088598A2
Автор: SEO, Jae Bum, LEE, Dae Woo, PARK, Jung Tae, KIM, Gyu Sun, JANG, Ji Uk
Принадлежит:

The present invention relates to a method for preparing a graft copolymer and a graft copolymer prepared thereby, the method comprising the steps of: preparing a reaction solution containing a copolymer including a diene-based monomer-derived unit and an alkene-based monomer-derived unit, an aromatic vinyl-based monomer, a vinyl cyan-based monomer, and a reaction solvent; and feeding the reaction solution to carry out primary bulk polymerization at 100-110°C, wherein the copolymer includes 5-10wt% of the diene-based monomer-derived unit and the graft copolymer has a rubber average particle diameter of 2-5μm.

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Номер записи: 2
11-05-2018 дата публикации

방향족 비닐-불포화 니트릴계 공중합체의 제조방법 및 이로부터 제조된 방향족 비닐-불포화 니트릴계 공중합체

Номер: KR0101857342B1
Автор: 이대우, 한창훈, 서재범, 박정태, 김규선
Принадлежит: 주식회사 엘지화학

... 본 발명에서는 공중합체내 불포화 니트릴계 단량체 유래 구조단위의 함량이 22 내지 30중량%인 방향족 비닐-불포화 니트릴계 공중합체의 제조시, 올리고머 및 미반응 단량체의 함량이 감소되고, 그 결과 우수한 내열성과 함께 현저히 개선된 표면 품질, 특히 밀폐된 고온 환경에서 사용시 제품 표면에서의 잔류물 발생 현상 및 사출 성형시 발생되는 몰드 침착이 감소될 수 있는 방향족 비닐-불포화 니트릴계 공중합체의 제조방법, 및 이를 이용하여 제조된 방향족 비닐-불포화 니트릴계 공중합체가 제공된다.

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Номер записи: 3
04-11-2015 дата публикации

RESIN COMPOSITION FOR OPTICAL FILM AND OPTICAL FILM USING THE SAME

Номер: KR0101565629B1
Автор: 최은정, 서재범, 강병일, 한창훈, 김범석, 이남정, 곽상민, 엄준근, 윤석일, 이중훈
Принадлежит: 주식회사 엘지화학

... 본 발명은 알킬(메트)아크릴레이트 단위; 벤질(메트)아크릴레이트 단위; (메트)아크릴산 단위; 및 하기 화학식 I로 표시되는 단위를 포함하는 광학 필름용 수지 조성물, 이를 이용한 광학 필름, 편광판 및 화상표시장치에 관한 것이다. [화학식 I] 상기 화학식 1에서, X는 NR3 또는 O이며, 상기 R1, R2 및 R3은 각각 독립적으로 수소, C1~10알킬, C3 ~ 20 시클로알킬 또는 C3 ~20아릴임.

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Номер записи: 4
22-12-2016 дата публикации

스티렌계 수지 조성물

Номер: KR0101689064B1
Автор: 강병일, 한창훈, 서재범, 박정태, 성다은, 김규선
Принадлежит: 주식회사 엘지화학

... 본 발명은 우수한 내충격성, 내열성 및 내화학성(내환경응력균열성)을 갖는, N-페닐말레이미드 함유 공중합체 또는 α-메틸스티렌 함유 공중합체를 20 중량% 이하로 포함하는 스티렌계 수지 조성물 및 이로부터 제조된 스티렌계 수지 성형품에 관한 것이다. 이에 따른, 스티렌계 수지 조성물로부터 제조된 스티렌계 수지는 우수한 내충격성 및 내열성을 가짐과 동시에 높은 내화학성(내환경응력균열성) 특성을 갖는 효과가 있다. 따라서, 본 발명에 따른 상기 스티렌계 수지 조성물 및 스티렌계 수지 성형품은 이를 필요로 하는 다양한 산업 분야에 널리 적용될 수 있다.

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Номер записи: 5
15-12-2011 дата публикации

HEAT-RESISTANT, HIGH-STRENGTH ACRYL-BASED COPOLYMER AND OPTICAL FILM INCLUDING SAME

Номер: WO2011155771A3
Автор: KIM, Su-Kyung, SUNG, Da-Eun, HAN, Chang-Hun, KANG, Byung-Il, SEO, Jae-Bum, CHOI, Eun-Jung, CHUN, Byoung-Kue, SUNG, Yu-Taek
Принадлежит:

The present invention relates to a heat-resistant, high-strength acryl-based copolymer and an optical film including same, and more particularly, to an acryl-based copolymer polymerized to comprise: (1) an alkyl (meth)acrylate-based monomer; (2) a (meth)acrylate-based monomer including an aliphatic ring and/or an aromatic ring; and (3) a (meth)acrylamide-based monomer. The acryl-based copolymer of the present invention maintains transparency and has excellent heat resistance. Also, the optical film including a compounding resin that comprises the acryl-based copolymer has high transparency and heat resistance, and superior workability, adhesion, phase difference properties, and durability.

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Номер записи: 6
07-05-2020 дата публикации

THERMOPLASTIC RESIN COMPOSITION

Номер: WO2020091371A1
Автор: JO, Joon Hwi, KIM, Seong Lyong, LEE, Dae Woo, SEO, Jae Bum
Принадлежит:

The present invention relates to a thermoplastic resin composition, comprising: a first graft polymer comprising a C4-C10 alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; a second graft copolymer comprising a C4-C10 alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; and a first styrene-based copolymer which is a copolymer of a monomer mixture comprising a C1-C3 alkyl-substituted styrene-based monomer, a vinyl cyan-based monomer, and a C1-C3 alkyl (meth)acrylate-based monomer, wherein the first graft copolymer and the second graft copolymer are different in terms of average core diameter. The thermoplastic resin composition has excellent colorability, weather resistance, tensile strength, flexural strength, and impact strength.

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Номер записи: 7
23-02-2012 дата публикации

HIGHLY HEAT RESISTANT AND HIGHLY STRONG ACRYLIC COPOLYMER, A RESIN COMPOSITION COMPRISING THE SAME AND AN OPTICAL FILM AND AN IPS MODE LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME

Номер: WO2012023834A3
Автор: KIM, Su-Kyung, KANG, Byung-Il, SUNG, Da-Eun, HAN, Chang-Hun, LEE, Dae-Woo, SEO, Jae-Bum, CHOI, Eun-Jung, SUNG, Yu-Taek
Принадлежит:

Provided is an acrylic copolymer comprising: an alkyl (meth)acrylate monomer; a monomer comprising a cyclic pendant structure; and a tert-butyl (meth)acrylate monomer and/or (meth)acrylamide monomer. Also provided is a resin composition comprising the same and an optical film and an IPS mode liquid crystal display device using the same.

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Номер записи: 8
07-06-2016 дата публикации

ACRYL-BASED OPTICAL FILM HAVING EXCELLENT TOUGHNESS AND SLIM POLARIZING PLATE COMPRISING THE SAME

Номер: KR0101627975B1
Автор: 곽상민, 한창훈, 서재범, 김범석, 강병일, 이남정, 엄준근, 윤석일, 이중훈, 박세정
Принадлежит: 주식회사 엘지화학

... 본 발명은 알킬 (메타)아크릴레이트 단위, 벤질 (메타)아크릴레이트 단위, (메타)아크릴산 단위 및 화학식 I로 표시되는 단위를 포함하는 수지 조성물로 형성된 아크릴계 광학 필름으로, 상기 아크릴계 광학 필름의 두께를 d, 상기 아크릴계 광학 필름의 낙하 충격 시험을 통해 측정되는 충격 에너지 값을 IE라 할 때, 식 (1) 0.03kg·m2/m3 ≤ d×IE ≤0.18kg·m2/m3을 만족하는 아크릴계 광학 필름 및 이를 포함하는 박형 편광판에 관한 것이다.

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Номер записи: 9
28-09-2017 дата публикации

METHOD FOR PREPARING AROMATIC VINYL-UNSATURATED NITRILE-BASED COPOLYMER AND AROMATIC VINYL-UNSATURATED NITRILE-BASED COPOLYMER PREPARED THEREBY

Номер: WO2017164507A1
Автор: LEE, Dae Woo, HAN, Chang Hun, SEO, Jae Bum, PARK, Jung Tae, KIM, Gyu Sun
Принадлежит:

The present invention provides a method for preparing an aromatic vinyl-unsaturated nitrile-based copolymer and an aromatic vinyl-unsaturated nitrile-based copolymer prepared using the method, wherein, in the preparation of an aromatic vinyl-unsaturated nitrile-based copolymer, of which the content of unsaturated nitrile-based monomer-derived structural units in a copolymer is 22-30 wt%, the contents of oligomers and unreacted monomers are decreased, and as a result, excellent heat resistance and remarkably improved surface quality can be obtained, and particularly, when a product is used in a closed high-temperature environment, the residues generated on a surface of the product and the mold deposits generated during injection molding can be reduced.

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Номер записи: 10
06-12-2012 дата публикации

RESIN COMPOSITION FOR OPTICAL FILM AND OPTICAL FILM USING THE SAME

Номер: WO2012165918A3
Автор: KANG, Byoung-Il, HAN, Chang-Hun, LEE, Dae-Woo, SEO, Jae-Bum, KIM, Beom-Seok, CHOI, Eun-Jung, KIM, Joon-Sik, LEE, Nam-Jeong, KIM, Su-Kyung, SUNG, Da-Eun
Принадлежит:

The present invention relates to an optical film and a composition for the optical film which includes a copolymer including an alkyl (meth)acrylate unit, a (meth)acrylate unit including a benzene ring, and a (meth)acrylic acid, wherein residual monomer content in the resin composition is lower than 2000ppm.

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Номер записи: 11
06-11-2018 дата публикации

ACCELEROMETER WITH EMBEDDED THERMOELASTIC COIL PAD

Номер: KR101915770B1
Автор: SEO JAE BEOM, CHONG KYOUNG HO
Принадлежит: AGENCY FOR DEFENSE DEVELOPMENT

An embodiment of the present invention discloses an accelerometer with an embedded thermoelastic coil pad including a restoring coil and a coil pad installed on upper and lower sides of a pendulum assembly, respectively. The coil pad includes three or more cantilevers extended in a radiation direction toward the restoring coil from the center, and a mounting part interposed between the restoring coil and an end of the cantilever far away from the center. The mounting part includes a buffer hole which is an empty space formed between the coil pad and the restoring coil, a buffer beam surrounding the buffer hole in the radiation direction, and a support beam in contact with the inner circumference of the coil pad while surrounding the buffer hole in a tangential direction across the radiation direction. Accordingly, the present invention can effectively improve the temperature stability of a conversion factor. COPYRIGHT KIPO 2018 ...

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Номер записи: 12
14-12-2016 дата публикации

내충격성과 투명성이 우수한 (메트)아크릴레이트계 수지 조성물

Номер: KR0101686705B1
Автор: 강병일, 한창훈, 이대우, 서재범, 최은정, 성다은
Принадлежит: 주식회사 엘지화학

... 본 발명은 베이스 수지로서 표면경도가 우수하고 굴절율이 높은 페닐(메트)아크릴레이트를 포함하는 폴리(알킬(메트)아크릴레이트-페닐(메트)아크릴레이트) 공중합체 및 충격흡수효율이 우수한 (공액디엔-메(트)아크릴레이트) 그라프트 공중합체를 사용하여 충격보강제를 소량 사용하면서도 우수한 내충격성을 발휘하도록 하여 우수한 투명성을 제공할 수 있는 (메트)아크릴레이트계 수지 조성물에 관한 것으로서, 내충격성과 투명성이 우수한 (메트)아크릴레이트계 수지 조성물은, (공액디엔-(메트)아크릴레이트) 그라프트 공중합체 1 내지 29중량% 및 폴리(알킬(메트)아크릴레이트-페닐(메트)아크릴레이트) 공중합체 71 내지 99중량%를 포함하여 이루어짐을 특징으로 한다.

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Номер записи: 13
11-05-2018 дата публикации

ANISOTROPIC CONDUCTIVE SHEET HAVING GUIDE PIN BUFFER PART

Номер: KR1020180049426A
Автор: SUH, JAI BUM
Принадлежит:

The present invention relates to an anisotropic conductive sheet having a guide pin buffer part. More specifically, the present invention relates to the anisotropic conductive sheet having a buffer part which relieves an impact at the time of inserting a guide pin to a guide hole into which the guide pin of an inspection circuit board is inserted. According to the present invention, a conductive part position determining part is removed, thereby preventing occurrence of a tolerance of a frame when forming a conductive part to improve a manufacturing property and increase accuracy. Also, the buffer part is provided in the guide hole receiving the guide pin of the inspection circuit board, thereby preventing damage to the guide pin when inserting the guide pin. The anisotropic conductive sheet having a guide pin buffer part comprises a silicone body, the frame, the conductive part, the guide hole, and the guide pin buffer part. COPYRIGHT KIPO 2018 ...

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Номер записи: 14
27-03-2023 дата публикации

스티렌계 공중합체 및 이의 제조방법

Номер: KR102513851B1
Автор: 서재범, 이대우, 박정태, 김규선, 장지욱
Принадлежит: 주식회사 엘지화학

... 본 발명은 방향족 비닐계 단량체, 비닐 시안계 단량체를 포함하는 단량체 혼합물 100 중량부, 및 분자량 조절제로서 알킬스티렌 다이머 0.5 내지 1.5 중량부를 반응기에 투입하여 중합하는 단계; 및 탈휘발조에서 중합 생성물 중 미반응 단량체를 휘발시켜 제거하는 단계를 포함하는 스티렌계 공중합체의 제조방법을 제공한다.

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Номер записи: 15
15-06-2017 дата публикации

METHOD FOR PREPARING STYRENE-BASED RESIN AND STYRENE-BASED RESIN PREPARED THEREBY

Номер: WO2017099361A1
Автор: SEO, Jae Bum, HAN, Chang Hun, LEE, Dae Woo, PARK, Jung Tae, KIM, Gyu Sun
Принадлежит:

The present invention relates to a method for preparing a styrene-based resin having a low oligomer content and to a styrene-based resin prepared thereby. The preparing method according to the present invention can produce a styrene-based resin having a reduced oligomer content by using a polymerization initiator having a half-life of 1 hour at a temperature that is 5-25°C lower than the temperature at polymerization and controlling devolatilization conditions.

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Номер записи: 16
27-04-2016 дата публикации

PRODUCING METHOD OF HEAT RESISTANT ABS RESIN, AND HEAT RESISTANT ABS RESIN PRODUCED THEREFROM

Номер: KR1020160045286A
Автор: SEO, JAE BUM, HAN, CHANG HUN, LEE, DAE WOO, PARK, JUNG TAE, CHOI, EUN JUNG, KANG, BYOUNG IL, SUNG, DA EUN, KIM, GYU SUN
Принадлежит:

The present invention relates to a producing method of a heat resistant ABS resin and, more specifically, to a producing method comprising a step of polymerizing 42 to 52 wt% of an alpha-methyl styrene monomer, 15 to 25 wt% of a vinyl cyanide monomer, 2 to 6 wt% of an aromatic rubber co-polymer, 2 to 6 wt% of conjugated diene-based rubber, and 15 to 35 wt% of a reaction solvent. According to the present invention, provided are: a producing method of a heat resistant ABS resin having thermal stability and low mold deposit in comparison with an existing heat resistant ABS resin; and an ABS resin which is produced by the method and has excellent heat resistance. COPYRIGHT KIPO 2016 ...

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Номер записи: 17
06-07-2018 дата публикации

METHOD OF PRODUCING HEAT RESISTANT STYRENE-BASED RESIN

Номер: KR1020180076645A
Автор: KIM, GYU SUN, HAN, CHANG HUN, LEE, DAE WOO, SEO, JAE BUM, PARK, JUNG TAE
Принадлежит:

The present invention relates to a method of producing a heat resistant styrene-based resin and a heat resistant acrylonitrile-butadiene-styrene resin comprising the heat resistant styrene-based resin produced by the method. The present invention provides a method of producing the heat resistant styrene-based resin, the method which is capable of maintaining existing levels of a molecular weight and a conversion rate while improving productivity although the polymerization reaction is performed at a relatively low temperature by using, as a polymerization initiator, a mixture of the difunctional initiator and a novel tetrafunctional initiator having one hour half-life temperature of 110 to 120°C; and a heat resistant acrylonitrile-butadiene-styrene resin which maintains heat resistance equal to that of an existing product and has improved environmental stress cracking resistance (ESCR) by including the heat resistant styrene-based resin produced by the method. COPYRIGHT KIPO 2018 ...

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Номер записи: 18
31-08-2017 дата публикации

내열 ABS 수지의 제조방법 및 이로부터 제조된 내열 ABS 수지

Номер: KR0101773658B1
Автор: 박정태, 한창훈, 이대우, 서재범, 김규선
Принадлежит: 주식회사 엘지화학

... 본 기재는 내열 ABS 수지의 제조방법에 관한 것으로, 보다 상세하게는 반응용매, 방향족 비닐계 단량체, 비닐시안계 단량체, 무수말레산계 단량체 및 공액디엔계 고무를 혼합한 혼합용액을 중합시키는 단계; 상기 중합 후 1차 아민을 투입하여 이미드화 반응시키는 단계; 및 상기 이미드화 반응 후 최종 중합시키는 단계;를 포함하는 내열 ABS 수지의 제조방법에 관한 것이다. 본 기재에 따르면, 내열도 및 열안정성이 우수하고 잔류물 발생이 감소되어 가공성 및 체류안정성이 우수한 내열 ABS 수지의 제조방법을 제공하는 효과가 있다.

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Номер записи: 19
16-01-2018 дата публикации

METHOD FOR MANUFACTURING MAGNETIC POLE MOLDS TO PRODUCE ANISOTROPIC CONDUCTIVE SHEET AND MAGNETIC POLE MOLDS MANUFACTURED THEREBY

Номер: KR101818040B1
Автор: SUH, JAI BUM
Принадлежит: SOULBRAIN MEMSYS CO., LTD.

The present invention provides a method for manufacturing magnetic pole molds. More specifically, the present invention relates to a method for manufacturing magnetic pole molds to produce an anisotropic conductive sheet and magnetic pole molds manufactured thereby, wherein the anisotropic conductive sheet has high density ferromagnetic substance patterns and has an enhanced characteristic of transferring magnetic force to terminals of a device under test like a semiconductor element. An embodiment of the present invention provides the magnetic pole molds to produce an anisotropic conductive sheet and the manufacturing method thereof, which form ferromagnetic substance patterns with micro patterns on a substrate like a silicon wafer through a photolithography process and form or insert non-magnetic substance patterns therebetween and remove the substrate, thereby enhancing reliability in manufacturing the anisotropic conductive sheet and at the same time having high magnetic force transferring ...

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Номер записи: 20
04-07-2017 дата публикации

METHOD FOR PRODUCING HEAT-RESISTANT STYRENE-BASED COPOLYMER, AND HEAT-RESISTANT STYRENE-BASED COPOLYMER PRODUCED THEREBY

Номер: KR1020170076272A
Автор: PARK, JUNG TAE, HAN, CHANG HUN, LEE, DAE WOO, SEO, JAE BUM, CHOI, EUN JUNG, KANG, BYOUNG IL, SUNG, DA EUN, KIM, GYU SUN
Принадлежит:

Provided is a production method enabling production of styrene-based copolymer which exhibits high polymerization conversion rate, excellent heat resistance, environmental stress crack resistance. To this end, a monomeric mixture, consisting of α-alkylstyrene-based monomer and unsaturated nitrile-based monomer at the weight ratio of 70 : 30 to 85 : 15, is continuously polymerized in bulk at 100-120°C in the presence of a tetrafunctional ether-based initiator. Moreover, provided is a heat-resistant styrene-based copolymer produced thereby. COPYRIGHT KIPO 2017 ...

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Номер записи: 21
23-12-2015 дата публикации

ANTI-SCRATCH REINFORCING AGENT, ANTI-SCRATCH REINFORCING POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE MANUFACTURED THEREFROM

Номер: KR1020150143020A
Автор: PARK, JUNG TAE, HAN, CHANG HUN, LEE, DAE WOO, SEO, JAE BUM, CHOI, EUN JUNG, KANG, BYOUNG IL, SUNG, DA EUN, KIM, GYU SUN
Принадлежит:

The present invention relates to an anti-scratch reinforcing agent, an anti-scratch polycarbonate resin composition, and a molded article manufactured therefrom. Provided are an anti-scratch polycarbonate resin composition and a molded article manufactured therefrom having an excellent property balance between scratch resistance and low-temperature impact resistance while maintaining impact strength by using a specific anti-scratch reinforcing agent for the polycarbonate resin with improved brittleness. The anti-scratch reinforcing agent comprises: 10 to 50 wt% of an aromatic vinyl monomer; 5 to 30 wt% of a vinyl cyan monomer; and an acryl-based copolymer polymerized with 30 to 80 wt% of a (meth)acrylic acid alkyl ester monomer. COPYRIGHT KIPO 2016 ...

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Номер записи: 22
23-02-2012 дата публикации

HIGHLY HEAT RESISTANT AND HIGHLY STRONG ACRYLIC COPOLYMER, A RESIN COMPOSITION COMPRISING THE SAME AND AN OPTICAL FILM AND AN IPS MODE LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME

Номер: KR2012023834A2
Автор: KIM, Su-Kyung, KANG, Byung-Il, SUNG, Da-Eun, HAN, Chang-Hun, LEE, Dae-Woo, SEO, Jae-Bum, CHOI, Eun-Jung, SUNG, Yu-Taek
Принадлежит:

Provided is an acrylic copolymer comprising: an alkyl (meth)acrylate monomer; a monomer comprising a cyclic pendant structure; and a tert-butyl (meth)acrylate monomer and/or (meth)acrylamide monomer. Also provided is a resin composition comprising the same and an optical film and an IPS mode liquid crystal display device using the same.

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Номер записи: 23
23-06-2016 дата публикации

Methacrylate copolymer having good heat resistance property and pencil hardness property, method of preparing the same and resin composition comprising copolymer

Номер: KR0101633156B1
Автор: 이대우, 한창훈, 서재범, 박정태, 강병일, 김준식, 김규선
Принадлежит: 주식회사 엘지화학

... 본 발명은 메틸 메타크릴레이트를 주성분으로 하여 표면경도와 외관을, 스티렌을 사용하여 대면적 사출 성형품에 우수한 가공성을, 그리고 알파메틸스티렌을 사용하여 제품 표면경도의 추가 상승 및 내열성을 부여하고, 이렇게 제조된 공중합체와 굴절률이 동일한 코어-쉘 구조의 충격보강제를 첨가하여 성형품의 내충격성을 보완한 수지 조성물을 냉장고, 에이컨, 세탁기 등의 전기전자 제품의 외부 하우징에서 강화유리를 대체하여 사용하는 메타크릴레이트 공중합체, 이의 제조방법 및 이를 포함하는 수지 조성물에 관한 것이다.

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Номер записи: 24
10-10-2017 дата публикации

METHOD FOR PREPARING AROMATIC VINYL-UNSATURATED NITRILE-BASED COPOLYMER AND AROMATIC VINYL-UNSATURATED NITRILE-BASED COPOLYMER PREPARED THEREBY

Номер: KR1020170109932A
Автор: LEE, DAE WOO, HAN, CHANG HUN, SEO, JAE BUM, PARK, JUNG TAE, KIM, GYU SUN
Принадлежит:

Provided is a method for preparing an aromatic vinyl-unsaturated nitrile-based copolymer having 22 to 30 wt% of unsaturated nitrile-based monomer-derived structural unit in the copolymer, and to an aromatic vinyl-unsaturated nitrile-based copolymer manufactured thereby. According to the present invention, the content of oligomer and unreacted monomer is reduced so the aromatic vinyl-unsaturated nitrile-based copolymer has excellent thermal resistance and improved surface quality. When the copolymer is used in a high temperature sealed environment, the residue formation on the surface of a product and mold deposition generated in injection molding can be reduced. COPYRIGHT KIPO 2017 ...

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Номер записи: 25
08-01-2015 дата публикации

HEAT-RESISTANT SAN RESIN, METHOD FOR MANUFACTURING SAME, AND HEAT-RESISTANT ABS RESIN COMPOSITION COMPRISING SAME

Номер: WO2015002373A1
Автор: SEO, Jae Bum, HAN, Chang Hun, LEE, Dae Woo, PARK, Jung Tae, CHOI, Eun Jung, KANG, Byoung Il, SUNG, Da Eun, KIM, Gyu Sun
Принадлежит:

The present disclosure relates to a heat-resistant SAN resin, a method for manufacturing same, and a heat-resistant ABS resin composition comprising same and, more specifically, to a heat-resistant SAN resin comprising: α-methylstyrene 60-75 wt%; a vinyl cyan compound 25-35 wt%; and an aromatic vinyl compound (excluding α-methylstyrene) 0-10 wt%, wherein the degree of branching is 0.40-0.60, the molecular weight is 90,000-150,000 g/mol, and the glass transition temperature (Tg) is 124-140°C, a method for manufacturing same, and a heat-resistant ABS resin composition comprising same. The present disclosure has an advantageous effect of providing a heat-resistant SAN resin which has excellent heat resistance and productivity and, when applied to an ABS resin, has an excellent effect of improving heat resistance, environmental stress-crack resistance, color, and processability; a method for manufacturing same; and a heat-resistant ABS resin composition comprising same.

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Номер записи: 26
22-05-2020 дата публикации

GRAFT COPOLYMER PRODUCTION METHOD

Номер: WO2020101275A1
Автор: JANG, Ji Uk, LEE, Dae Woo, SEO, Jae Bum, PARK, Jung Tae, KIM, Gyu Sun
Принадлежит:

The present invention relates to a graft copolymer production method comprising the steps of: preparing a liquid-phase maleimide-based monomer; preparing a reaction solution comprising a dienic rubber polymer, an aromatic vinyl-based monomer and a vinyl cyanide-based monomer; and polymerizing the liquid-phase maleimide-based monomer and the reaction solution by inputting same in a reactor. According to the production method of the present invention, the polymerization participation rate of the maleimide-based monomer may be increased, and the color properties, glass transition temperature and softening temperature of the graft copolymer may be improved.

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Номер записи: 27
27-08-2020 дата публикации

THERMOPLASTIC RESIN COMPOSITION AND THERMOPLASTIC RESIN MOLDED ARTICLE

Номер: WO2020171453A1
Автор: JO, Joon Hwi, KIM, Seong Lyong, KIM, Tae Hoon, LEE, Dae Woo, SEO, Jae Bum
Принадлежит:

The present invention relates to a thermoplastic resin composition, comprising: a first copolymer including an acrylic graft copolymer; a second copolymer including an alkyl-substituted styrene monomer unit, a vinyl cyanide monomer unit, and a (meth)acrylate monomer unit; and a third copolymer including an alkyl-unsubstituted styrene monomer unit, a vinyl cyanide monomer unit, and a (meth)acrylate monomer unit. According to the present invention, a thermoplastic resin composition having excellent heat resistance, coloring properties, and scratch resistance and a thermoplastic resin molded article may be provided.

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Номер записи: 28
10-12-2009 дата публикации

OPTICAL FILM AND A PRODUCTION METHOD THEREFOR

Номер: WO2009148260A3
Автор: KANG, Byoung-Il, HAN, Chang-Hun, LEE, Chan-Hong, LEE, Dae-Woo, SEO, Jae-Bum, KIM, Sang-Seop
Принадлежит:

The present invention provides an optical film and a retardation film characterised in that it comprises an acrylic resin and, with respect to 100 parts by weight of the acrylic resin, between 20 and 65 parts by weight of at least two different graft copolymers comprising conjugated diene rubber, and in that the at least two different graft copolymers are of different particle sizes. The present invention also provides a production method therefor.

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Номер записи: 29
24-08-2016 дата публикации

내열 ＳＡＮ 수지 조성물, 내열 ＳＡＮ 수지, 이의 제조방법 및 이를 포함하는 내열 ＡＢＳ 수지 조성물

Номер: KR0101650988B1
Автор: 최은정, 한창훈, 이대우, 서재범, 박정태, 강병일, 성다은, 김규선
Принадлежит: 주식회사 엘지화학

... 본 기재는 내열 SAN 수지 조성물, 내열 SAN 수지, 이의 제조방법 및 이를 포함하는 내열 ABS 수지 조성물에 관한 것으로, 본 기재에 따르면, 본 기재는 내열성 및 생산성이 뛰어나고, ABS 수지에 적용 시, 내열도 향상에 기여하여 높은 내열도를 요구하는 제품에 사용이 가능하게 하는 SAN 수지 조성물, 내열 SAN 수지, 이의 제조방법 및 이를 포함하는 내열 ABS 수지 조성물을 제공하는 효과가 있다.

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Номер записи: 30
04-07-2017 дата публикации

COMPOSITION FOR PREPARING SAN COPOLYMER, SAN COPOLYMER, PREPARATION METHOD THEREFOR, HEAT-RESISTANT ABS RESIN BLEND AND HEAT-RESISTANT ABS PELLETS COMPRISING SAME

Номер: KR1020170076601A
Автор: KIM, GYU SUN, HAN, CHANG HUN, LEE, DAE WOO, SEO, JAE BUM, PARK, JUNG TAE, CHOI, EUN JUNG, KANG, BYOUNG IL, SUNG, DA EUN
Принадлежит:

The present invention relates to a composition for preparing an SAN copolymer, an SAN copolymer, a preparation method therefor, a heat-resistant ABS resin blend comprising the same, and heat-resistant ABS pellets. Specifically, the present invention provides a composition for preparing an SAN copolymer, the composition comprising a monomer mixture, and ethylene glycol dimethacrylate as a chain extender, wherein the monomer mixture comprises, relative to the total weight of the monomer mixture, 60-75 wt% of an α-methylstyrene monomer and 25-40 wt% of an acrylonitrile-based monomer; and the ethylene glycol dimethacrylate is contained in 0.001-0.15 wt% relative to 100 wt% of the monomer mixture. COPYRIGHT KIPO 2017 ...

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Номер записи: 31
01-06-2016 дата публикации

METHOD FOR PRODUCING HEAT-RESISTANT SAN RESIN AND HEAT-RESISTANT RESIN INCLUDING SAME

Номер: KR1020160061812A
Автор: KIM, GYU SUN, HAN, CHANG HUN, LEE, DAE WOO, SEO, JAE BUM, PARK, JUNG TAE, CHOI, EUN JUNG, KANG, BYOUNG IL, SUNG, DA EUN
Принадлежит:

The present invention relates to a method for producing a heat-resistant styrene acrylonitrile (SAN) resin and a heat-resistant resin composition containing the same, and more specifically, to a method for producing a heat-resistant SAN resin, and heat-resistant SAN and acrylonitrile-butadiene-styrene (ABS) resins manufactured thereby, to be polymerized by comprising: 100 parts by weight of a monomer including 60 to 85 wt% of α-methyl styrene and 15 to 40 wt% of a vinylcyan monomer; and 0.01 to 0.2 parts by weight of a chain extender, wherein the weight-average molecular weight of the SAN resin is 85,000 to 120,000 g/mol. According to the present invention, a high heat-resistant SAN resin with a high molecular weight is produced while enhancing productivity, and the heat-resistant resin including the produced heat-resistant SAN and ABS resins has an excellent environment stress crack resistance. COPYRIGHT KIPO 2016 ...

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Номер записи: 32
22-12-2016 дата публикации

METHOD FOR PREPARING MODIFIED ACRYLONITRILE-BUTADIENE-STYRENE-BASED RESIN, AND MODIFIED ACRYLONITRILE-BUTADIENE-STYRENE-BASED RESIN PREPARED THEREBY

Номер: WO2016204566A1
Автор: SEO, Jae Bum, HAN, Chang Hun, LEE, Dae Woo, PARK, Jung Tae, CHOI, Eun Jung, KANG, Byoung Il, SUNG, Da Eun, KIM, Gyu Sun
Принадлежит:

The present invention relates to: a method for preparing a modified acrylonitrile-butadiene-styrene-based resin having excellent low gloss, impact strength, and heat resistance and having a low total volatile organic compound content; and a modified acrylonitrile-butadiene-styrene-based resin prepared thereby. Therefore, the method for preparing a modified acrylonitrile-butadiene-styrene-based resin can prepare the modified acrylonitrile-butadiene-styrene-based resin having excellent low gloss, heat resistance and impact strength and having a low total volatile organic compound content.

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Номер записи: 33
11-02-2019 дата публикации

공중합체 및 이의 제조방법

Номер: KR1020190013569A
Автор: 서재범, 이대우, 박정태, 김규선, 장지욱
Принадлежит:

... 본 발명은 공중합체의 총 중량에 대하여, 알킬 스티렌계 단량체 유래 단위 20 내지 65 중량%; (메트)아크릴레이트계 단량체 유래 단위 10 내지 40 중량%; 및 방향족 비닐계 단량체 유래 단위 20 내지 40 중량%로 포함하고, 잔류 단량체의 함량이 780 ppm 이하인 공중합체 및 이의 제조방법에 관한 것이다.

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Номер записи: 34
15-12-2011 дата публикации

HEAT-RESISTANT, HIGH-STRENGTH ACRYL-BASED COPOLYMER AND OPTICAL FILM INCLUDING SAME

Номер: KR2011155771A2
Автор: KIM, Su-Kyung, SUNG, Da-Eun, HAN, Chang-Hun, KANG, Byung-Il, SEO, Jae-Bum, CHOI, Eun-Jung, CHUN, Byoung-Kue, SUNG, Yu-Taek
Принадлежит:

The present invention relates to a heat-resistant, high-strength acryl-based copolymer and an optical film including same, and more particularly, to an acryl-based copolymer polymerized to comprise: (1) an alkyl (meth)acrylate-based monomer; (2) a (meth)acrylate-based monomer including an aliphatic ring and/or an aromatic ring; and (3) a (meth)acrylamide-based monomer. The acryl-based copolymer of the present invention maintains transparency and has excellent heat resistance. Also, the optical film including a compounding resin that comprises the acryl-based copolymer has high transparency and heat resistance, and superior workability, adhesion, phase difference properties, and durability.

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Номер записи: 35
22-01-2015 дата публикации

(METH)ACRYLATE-BASED RESIN COMPOSITION HAVING EXCELLENT IMPACT RESISTANCE AND TRANSPARENCY

Номер: WO2015008945A1
Автор: KANG, Byoung Il, HAN, Chang Hun, SEO, Jae Bum, SUNG, Da Eun, LEE, Dae Woo, CHOI, Eun Jung
Принадлежит:

The present invention relates to a (meth)acrylate-based resin composition capable of using a small amount of an impact modifier while exhibiting excellent impact durability so as to provide excellent transparency, by using, as a base resin, a poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer comprising phenyl(meth)acrylate having excellent surface hardness and a high refractive index, and a (conjugated diene-(meth)acrylate) graft copolymer. The (meth)acrylate-based resin composition having excellent impact durability and transparency comprises: 1 to 29 wt% of the (conjugated diene-(meth)acrylate) graft copolymer; and 71 to 99 wt% of the poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer.

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Номер записи: 36
10-05-2018 дата публикации

HIGHLY HEAT-RESISTANT STYRENE-ACRYLONITRILE RESIN AND PREPARATION METHOD THEREFOR

Номер: KR1020180047787A
Автор: SEO, JAE BUM, LEE, DAE WOO, PARK, JUNG TAE, KIM, GYU SUN, HAN, CHANG HUN
Принадлежит:

The present invention provides: a SAN resin capable of greatly improving heat resistance while maintaining productivity, processability, and moldability by significantly reducing the amount of an oligomer by preparing and storing a mixture solution of an N-substituted maleimide monomer and an unsaturated nitrile monomer at a specific temperature, separately injecting the mixture solution and a styrene-based monomer into polymerization reactors, and maintaining the temperature of a first polymerization reactor and a second polymerization reactor at a specific temperature; and a preparation method therefor. COPYRIGHT KIPO 2018 (AA) #1 polymerization reactor (100-125°C) (BB) #2 polymerization reactor (110-135°C) (CC) Initiator (DD) Devolatilization tank (230-250°C, < 30 Torr) ...

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Номер записи: 37
18-06-2015 дата публикации

STYRENE-BASED RESIN COMPOSITION

Номер: KR1020150067714A
Автор: KANG, BYOUNG IL, HAN, CHANG HUN, SEO, JAE BUM, PARK, JUNG TAE, SUNG, DA EUN, KIM, GYU SUN
Принадлежит:

The present invention relates to a styrene-based resin composition and a styrene-based resin molded product. The styrene-based resin composition has excellent impact resistance, heat resistance, and chemical resistance (environmental stress resistance and crack resistance) and includes 20 wt% or smaller of a copolymer including N-phenyl maleimide or a copolymer including α-methyl styrene. According to an embodiment of the present invention, the styrene-based resin produced from the styrene-based resin composition has excellent impact resistance, heat resistance, and chemical resistance (environmental stress resistance and crack resistance). Therefore, the styrene-based resin composition and the styrene-based resin molded product can be widely applied to various industrial fields needing the same. COPYRIGHT KIPO 2015 ...

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Номер записи: 38
16-06-2016 дата публикации

METHOD OF PREPARING HEAT-RESISTANT ABS RESIN AND HEAT-RESISTANT ABS RESIN PREPARED THEREFROM

Номер: KR1020160069116A
Автор: PARK, JUNG TAE, HAN, CHANG HUN, LEE, DAE WOO, SEO, JAE BUM, KIM, GYU SUN
Принадлежит:

The present disclosure related to a method of preparing a heat-resistant ABS resin, and more particularly, to a method of preparing a heat-resistant ABS resin, including the following steps: polymerizing a mixture solution obtained by mixing a reaction solvent, an aromatic vinyl monomer, a vinyl cyan-based monomer, a maleic acid-based monomer, and a conjugated diene rubber; introducing a primary amine to the resultant mixture after the polymerization for an imidization reaction; and performing a final polymerization after the imidization reaction. According to the present disclosure, there is an effect of providing a method of preparing a heat-resistant ABS resin having excellent heat resistance, excellent thermal stability, and excellent processability and excellent retention stability due to a decrease in generation of residues. COPYRIGHT KIPO 2016 ...

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Номер записи: 39
06-07-2018 дата публикации

METHOD FOR PRODUCING NITRILE-BUTADIENE-STYRENE BASED COPOLYMER

Номер: KR1020180076646A
Автор: PARK, JUNG TAE, HAN, CHANG HUN, LEE, DAE WOO, SEO, JAE BUM, KIM, GYU SUN
Принадлежит:

The present invention provides a method for producing nitrile-butadiene-styrene based copolymer, which comprises the following steps: a first bulk polymerization of an α, β-unsaturated nitrile monomer, butadiene rubber and a styrene monomer in the presence of an initiator and a solvent; and subjecting a glycol dimethacrylate monomer to a second bulk polymerization, and to a nitrile-butadiene-styrene based copolymer produced by the method. An object of the present invention is to provide the method for producing nitrile-butadiene-styrene based copolymer, which can improve mechanical properties and stability of retention and reduce the content of residues, which are, volatile organic compounds, and to provide the nitrile-butadiene-styrene based copolymer produced by the method. COPYRIGHT KIPO 2018 ...

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Номер записи: 40
27-06-2019 дата публикации

METHOD FOR PREPARING GRAFT COPOLYMER AND GRAFT COPOLYMER PREPARED THEREBY

Номер: WO2019088598A3
Автор: SEO, Jae Bum, LEE, Dae Woo, PARK, Jung Tae, KIM, Gyu Sun, JANG, Ji Uk
Принадлежит:

The present invention relates to a method for preparing a graft copolymer and a graft copolymer prepared thereby, the method comprising the steps of: preparing a reaction solution containing a copolymer including a diene-based monomer-derived unit and an alkene-based monomer-derived unit, an aromatic vinyl-based monomer, a vinyl cyan-based monomer, and a reaction solvent; and feeding the reaction solution to carry out primary bulk polymerization at 100-110°C, wherein the copolymer includes 5-10wt% of the diene-based monomer-derived unit and the graft copolymer has a rubber average particle diameter of 2-5μm.

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Номер записи: 41
29-10-2015 дата публикации

HEAT RESISTANT STYRENE-BASED COPOLYMER AND STYRENE-BASED RESIN COMPOSITION CONTAINING SAME

Номер: WO2015163608A1
Автор: KANG, Byoung Il, HAN, Chang Hun, SEO, Jae Bum, CHOI, Eun Jung, SUNG, Da Eun
Принадлежит:

The present invention relates to: a heat resistant styrene-based copolymer having an improved conversion rate while maintaining excellent mechanical and chemical properties, and comprising α-methylstyrene, acrylonitrile and t-butyl methacrylate; a styrene-based resin composition containing the same; and a styrene-based resin molded product prepared therefrom. The heat resistant styrene-based copolymer according to the present invention has an effect of having an improved conversion rate without the modification of a material itself and the deterioration of mechanical and chemical properties, and thus productivity is improved, thereby facilitating commercialization. In addition, a styrene-based resin molded product prepared from the styrene-based resin composition according to the present invention contains the heat resistant styrene-based copolymer as a matrix copolymer, and thus has excellent impact strength, tensile strength, tensile elongation and flowability while having high heat resistance ...

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Номер записи: 42
25-06-2020 дата публикации

THERMOPLASTIC RESIN COMPOSITION

Номер: WO2020130400A1
Автор: PARK, Jung Tae, LEE, Dae Woo, SEO, Jae Bum, KIM, Gyu Sun, JANG, Ji Uk
Принадлежит:

The present invention pertains to a thermoplastic resin composition containing a first copolymer and a second copolymer, wherein the first copolymer is formed by polymerizing a monomer mixture containing a (meth)acrylate-based monomer, a vinyl cyanide-based monomer, and a maleimide-based monomer, and has a refractive index of 1.5170 or less and a glass transition temperature of 115.0°C or higher, and the second copolymer is obtained by graft copolymerizing an aromatic vinyl-based monomer and a vinyl cyanide-based monomer with an acrylic rubber-like polymer. The thermoplastic resin composition according to the present invention has improved heat resistance, coloring properties, and scratch resistance.

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Номер записи: 43
22-05-2017 дата публикации

내열 SAN 수지의 제조방법 및 이를 포함하는 내열수지

Номер: KR0101738739B1
Автор: 김규선, 한창훈, 이대우, 서재범, 박정태, 최은정, 강병일, 성다은
Принадлежит: 주식회사 엘지화학

... 본 기재는 내열 SAN 수지의 제조방법 및 이를 포함하는 내열수지에 관한 것으로, 보다 상세하게는 알파-메틸스티렌 60 내지 85 중량% 및 비닐시안 단량체 15 내지 40 중량%를 포함하는 단량체 100 중량부; 및 쇄연장제 0.01 내지 0.2 중량부;를 포함하여 중합되되, 중량평균분자량이 85,000 내지 120,000 g/mol인 것을 특징으로 하는 내열 SAN의 제조방법 및 상기의 제조방법으로 제조된 내열 SAN 수지 및 ABS 수지를 포함하는 내열 수지 조성물에 관한 것이다. 본 기재에 따르면, 생산성이 향상되면서도 분자량이 높은 내열 SAN 수지가 제조되며, 상기 수득한 내열 SAN 수지 및 ABS 수지를 포함하는 내열수지는 내환경 응력균열성이 우수한 효과가 있다.

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Номер записи: 44
06-07-2015 дата публикации

METHACRYLATE COPOLYMER HAVING GOOD FLOW AND PENCIL HARDNESS PROPERTY, METHOD OF PRERARING THE SAME AND RESIN COMPOSITION COMPRISING COPOLYMER

Номер: KR0101534377B1
Автор: 이대우, 한창훈, 서재범, 박정태, 강병일, 김준식, 김규선
Принадлежит: 주식회사 엘지화학

... 본 발명은 메틸 메타크릴레이트를 주성분으로 하여 표면경도와 외관을 그리고 스티렌을 사용하여 대면적 사출 성형품에 적합한 가공성을 부여하고, 이렇게 제조된 공중합체와 굴절률이 동일한 코어-쉘 구조의 충격보강제를 첨가하여 성형품의 내충격성을 보완한 수지 조성물을 냉장고, 에이컨, 세탁기 등의 전기전자 제품의 외부 하우징에서 강화유리를 대체하여 사용하는 메타크릴레이트 공중합체, 이의 제조방법 및 이를 포함하는 수지 조성물에 관한 것이다.

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Номер записи: 45
11-12-2015 дата публикации

RESIN COMPOSITION FOR OPTICAL FILM HAVING EXCELLENT PROCESSING STABILITY AND OPTICAL FILM USING SAME

Номер: KR1020150139256A
Автор: UM, JUN GEUN, HAN, CHANG HUN, SEO, JAE BUM, KIM, BEOM SEOK, CHOI, EUN JUNG, KANG, BYOUNG IL, LEE, NAM JEONG, KWAK, SANG MIN, YOUN, SUK IL, LEE, JONG HOON
Принадлежит:

The present invention relates to a resin composition for an optical film, which comprises: an alkyl (meth)acrylate unit; a benzyl (meth)acrylate unit; a (meth)acrylic acid unit; a first copolymer containing a unit represented by chemical formula I; and a second copolymer having a phase difference property, and meets a formula (1). Formula (1): I_(OH)/I_(CH) < 1.7 In the formula (1), I_(OH) is an integral value with respect to a O-H stretching vibration band presented in the range of 3200-3600 cm^(-1) in a FT-IR spectrum of the resin composition, and I_(CH) is an integral value with respect to a C-H stretching vibration band presented in the range of 2850-3000 cm^(-1). COPYRIGHT KIPO 2016 ...

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Номер записи: 46
04-11-2015 дата публикации

HEAT-RESISTANT STYRENE-BASED COPOLYMER AND STYRENE RESIN COMPOSITION INCLUDING SAME

Номер: KR1020150123709A
Автор: KANG, BYOUNG IL, HAN, CHANG HUN, SEO, JAE BUM, CHOI, EUN JUNG, SUNG, DA EUN
Принадлежит:

The present invention relates to a heat-resistant styrene-based copolymer, which includes α-methyl styrene, acrylonitrile and t-butyl methacrylate and has an improved conversion rate while maintaining excellent mechanical and chemical properties, to a styrene-based resin composition including the same, and to a styrene-based resin molded product manufactured by using the same. The heat-resistant styrene-based copolymer has an improved conversion rate without deformation thereof and deterioration of mechanical and chemical properties. Therefore, productivity of the heat-resistant styrene-based copolymer is increased and the heat-resistant styrene-based copolymer can be commercialized in an easy manner. The styrene-based resin molded product manufactured by using the styrene-based resin composition according to the present invention includes the heat-resistant styrene-based copolymer as a matrix copolymer. Therefore, the styrene-based resin molded product has excellent impact strength, tensile ...

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Номер записи: 47
11-08-2015 дата публикации

ACRYL-BASED OPTICAL FILM HAVING EXCELLENT TOUGHNESS AND THIN-TYPE POLARIZING PLATE INCLUDING SAME

Номер: KR1020150091450A
Автор: KWAK, SANG MIN, HAN, CHANG HUN, SEO, JAE BUM, KIM, BEOM SEOK, KANG, BYOUNG IL, LEE, NAM JEONG, UM, JUN GEUN, YOUN, SUK IL, LEE, JOONG HOON, PARK, SEI JUNG
Принадлежит:

The present invention relates to an acryl-based optical film formed with a resin composition including alkyl (meth)acrylate units, benzyl (meth)acrylate units, (meth)acrylate units, and units represented by chemical formula I, and more specifically, to an acryl-based optical film satisfying inequality (1) 0. 03 kg·m^2/m^3 <= d × IE <=0. 18 kg·m^2/m^3 given that the thickness of the acryl-based optical film is d and an impact energy value, measured by a drop impact test on the acryl-based optical film, is IE, and to a thin-type polarizing plate including the same. COPYRIGHT KIPO 2015 ...

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Номер записи: 48
15-06-2017 дата публикации

PRODUCTION METHOD OF STYRENE-BASED RESIN AND STYRENE-BASED RESIN PRODUCED THEREFROM

Номер: KR1020170067037A
Автор: SEO, JAE BUM, HAN, CHANG HUN, LEE, DAE WOO, PARK, JUNG TAE, KIM, GYU SUN
Принадлежит:

The present invention relates to a production method of a styrene-based resin having low oligomer content, and a styrene-based resin produced therefrom. The production method uses a polymerization initiator having a half-life of 1 hour lowering 5 to 25°C in the polymerization temperature, and control devolatilization conditions to produce the styrene-based resin having lowered oligomer content. COPYRIGHT KIPO 2017 ...

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Номер записи: 49
11-05-2018 дата публикации

ANISOTROPIC CONDUCTIVE SHEET

Номер: KR1020180049425A
Автор: SUH, JAI BUM, LEE, SEUNG HYUN
Принадлежит:

The present invention relates to an anisotropic conductive sheet and, more specifically, relates to an anisotropic conductive sheet interposed between a device to be tested and a testing printed circuit board (PCB) to electrically connect a terminal of the device to be tested with a pad of the testing PCB. According to the present invention, when pressure to increase electric contact performance with the terminal of the device to be tested is required, a pressing section is separated from a conductive section, so durability is enhanced and a complete test is conducted. According to the present invention, since the pressing section and the conductive section are divided to increase the electric contact performance between the device to be tested and the testing PCB, the durability is enhanced and the complete test is realized, and thus an effect of increasing the electric contact performance is obtained. Moreover, provided is an effect of preventing a conductive particle from being separated ...

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Номер записи: 50
11-05-2018 дата публикации

HIGHLY HEAT-RESISTANT STYRENE-ACRYLONITRILE RESIN AND PREPARATION METHOD THEREFOR

Номер: WO2018084417A1
Автор: SEO, Jae Bum, LEE, Dae Woo, PARK, Jung Tae, KIM, Gyu Sun, HAN, Chang Hun
Принадлежит:

The present invention provides: a SAN resin capable of greatly improving heat resistance while maintaining productivity, processability, and moldability by significantly reducing the amount of an oligomer by preparing and storing a mixture solution of an N-substituted maleimide monomer and an unsaturated nitrile monomer at a specific temperature, separately injecting the mixture solution and a styrene-based monomer into polymerization reactors, and maintaining the temperature of a first polymerization reactor and a second polymerization reactor at a specific temperature; and a preparation method therefor.

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Номер записи: 51
06-12-2012 дата публикации

RESIN COMPOSITION FOR OPTICAL FILM AND OPTICAL FILM USING THE SAME

Номер: WO2012165918A2
Автор: KANG, Byoung-Il, HAN, Chang-Hun, LEE, Dae-Woo, SEO, Jae-Bum, KIM, Beom-Seok, CHOI, Eun-Jung, KIM, Joon-Sik, LEE, Nam-Jeong, KIM, Su-Kyung, SUNG, Da-Eun
Принадлежит:

The present invention relates to an optical film and a composition for the optical film which includes a copolymer including an alkyl (meth)acrylate unit, a (meth)acrylate unit including a benzene ring, and a (meth)acrylic acid, wherein residual monomer content in the resin composition is lower than 2000ppm.

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Номер записи: 52
05-08-2016 дата публикации

내열 ＳＡＮ 수지의 제조방법

Номер: KR0101646311B1
Автор: 성다은, 한창훈, 이대우, 서재범, 박정태, 최은정, 강병일, 김규선
Принадлежит: 주식회사 엘지화학

... 본 기재는 내열 SAN 수지 조성물, 내열 SAN 수지, 이의 제조방법에 관한 것으로, 본 기재에 따르면, 본 기재는 내열성이 뛰어나고, ABS 수지에 적용 시 내열도의 개선 효과가 뛰어난 내열 SAN 수지 조성물, 내열 SAN 수지, 이의 제조방법을 제공하는 효과가 있다.

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Номер записи: 53
13-12-2016 дата публикации

내열성 공중합 수지의 제조방법 및 이를 이용하여 제조한 공중합 수지

Номер: KR0101686284B1
Автор: 서재범, 한창훈, 이대우, 박정태, 최은정, 강병일, 성다은, 김규선
Принадлежит: 주식회사 엘지화학

... 본 발명의 일실시예는 방향족 비닐 화합물, 비닐 시안 화합물, 이미드계 화합물, 용매 및 개시제를 혼합한 반응용액을 제1반응기에 투입하는 단계(F0); 상기 반응용액을 제1반응기에서 중합하는 제1중합단계(R1); 상기 제1중합단계에서 중합된 중합체를 포함하는 혼합액을 제2반응기로 투입하는 단계(F1); 상기 혼합액을 제2반응기로 투입시 상기 이미드계 화합물과 동일한 화합물을 단독으로 용융한 후 제2반응기에 분리투입하는 단계(f1); 및 상기 제2반응기에서 상기 혼합액과 상기 용융한 이미드계 화합물을 중합하는 제2중합단계(R2); 를 포함하는 내열성 공중합 수지의 제조방법에 관한 것이다.

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Номер записи: 54
07-06-2017 дата публикации

내열성 스티렌계 공중합체 및 이를 포함하는 스티렌계 수지 조성물

Номер: KR0101743816B1
Автор: 강병일, 한창훈, 서재범, 최은정, 성다은
Принадлежит: 주식회사 엘지화학

... 본 발명은 우수한 기계·화학적 특성을 유지하면서 전환율이 개선된, α-메틸스티렌, 아크릴로니트릴 및 t-부틸 메타크릴레이트를 포함하는 내열성 스티렌계 공중합체, 이를 포함하는 스티렌계 수지 조성물 및 이로부터 제조된 스티렌계 수지 성형품에 관한 것이다. 이에 따른, 상기 내열성 스티렌계 공중합체는 물질 자체의 변형 및 기계·화학적 특성 저하 없이 전환율이 개선되는 효과가 있으며, 이에 생산성이 향상되어 상업화가 용이할 수 있다. 또한, 본 발명에 따른 스티렌계 수지 조성물로부터 제조된 스티렌계 수지 성형품은 상기의 내열성 스티렌계 공중합체를 매트릭스 공중합체로 포함함으로써, 높은 내열성을 가지면서 충격강도, 인장강도, 인장신율 및 유동성이 우수한 특성이 있다.

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Номер записи: 55
15-06-2016 дата публикации

METHOD OF PREPARING HEAT-RESISTANT SAN RESIN AND ABS RESIN COMPOSITION INCLUDING SAME

Номер: KR1020160068314A
Автор: LEE, DAE WOO, HAN, CHANG HUN, SEO, JAE BUM, PARK, JUNG TAE, CHOI, EUN JUNG, KANG, BYOUNG IL, SUNG, DA EUN, KIM, GYU SUN
Принадлежит:

The present disclosure relates to a heat-resistant SAN resin, a method of preparing the same, and a heat-resistant ABS resin composition including the same, and more particularly, to a heat-resistant SAN resin characterized by polymerizing 100 parts by weight of a monomer mixture including 60 to 80 wt% of a heat-resistant aromatic vinyl monomer and 20 to 40 wt% of a vinyl cyanide monomer, wherein the heat-resistant resin has a weight average molecular weight ranging from 100,000 to 150,000 g/mol, a glass transition temperature of 125°C or higher, and a polymerization conversion rate of 65% or higher. According to the present disclosure, there is an effect of providing a heat-resistant SAN resin and a method of preparing the same, wherein the heat-resistant SAN resin improves polymerization conversion rate while maintaining heat resistance and molecular weight, and providing of a heat-resistant ABS resin composition with excellent heat resistance, excellent impact resistance, excellent stiffness ...

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Номер записи: 56
14-05-2018 дата публикации

ANISOTROPIC CONDUCTIVE SHEET

Номер: KR1020180049839A
Автор: SUH, JAI BUM
Принадлежит:

The present invention relates to an anisotropic conductive sheet and, more specifically, relates to an anisotropic conductive sheet which effectively improves a conductive material shape of a conductive part to stably supply current from an inspection circuit printed circuit board (PCB) to a device to be inspected. According to the present invention, to solve problems of a semiconductor testing pogo fin and a conventional anisotropic conductive sheet, provided is the anisotropic conductive sheet having a structure decreasing or dispersing a load of the anisotropic conductive sheet and not scratching a solder ball material of a ball grid array (BGA) device. Moreover, conductive materials in a conductive part are suggested with various shapes, such as a conductive material of a type having a length, a conductive material of a porous type, etc., without being limited to a metal particle, thereby providing an effect of increasing conductive performance for test. COPYRIGHT KIPO 2018 ...

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Номер записи: 57
10-12-2015 дата публикации

HEAT-RESISTANT SAN RESIN, METHOD FOR PREPARING THE RESIN AND HEAT-RESISTANT ABS RESIN COMPOSITION CONTAINING THE SAME

Номер: KR0101576726B1
Автор: 서재범, 한창훈, 이대우, 박정태, 최은정, 강병일, 성다은, 김규선
Принадлежит: 주식회사 엘지화학

... 본 기재는 내열 SAN 수지, 이의 제조방법 및 이를 포함하는 내열 ABS 수지 조성물에 관한 것으로, 보다 상세하게는 α-메틸스티렌 60 내지 75 중량%, 비닐시안 화합물 25 내지 35 중량%, 및 방향족 비닐 화합물(α-메틸스티렌 제외) 0 내지 10 중량%를 포함하여 이루어지되, 브랜치화도가 0.40 내지 0.60이고, 분자량이 90,000 내지 150,000 g/mol이며, 유리전이온도(Tg)가 124 내지 140 ℃인 것을 특징으로 하는 내열 SAN 수지, 이의 제조방법 및 이를 포함하는 내열 ABS 수지 조성물에 관한 것이다. 본 기재에 따르면, 본 기재는 내열성 및 생산성이 뛰어나고, ABS 수지에 적용 시 내열도, 내환경응력균열성, 색상 및 가공성의 개선 효과가 뛰어난 내열 SAN 수지, 이의 제조방법 및 이를 포함하는 내열 ABS 수지 조성물을 제공하는 효과가 있다.

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Номер записи: 58
28-12-2016 дата публикации

PREPARATION METHOD OF MODIFIED ACRYLONITRILE-BUTADIENE-STYRENE RESIN AND MODIFIED ACRYLONITRILE-BUTADIENE-STYRENE RESIN PRODUCED BY SAME

Номер: KR1020160150052A
Автор: SEO, JAE BUM, HAN, CHANG HUN, LEE, DAE WOO, PARK, JUNG TAE, CHOI, EUN JUNG, KANG, BYOUNG IL, SUNG, DA EUN, KIM, GYU SUN
Принадлежит:

The present invention relates to a preparation method of modified acrylonitrile-butadiene-styrene resin having excellent low glossy properties, impact resistance, and thermal resistance, and having low total content of volatile organic compounds, and modified acrylonitrile-butadiene-styrene resin produced by the same. Accordingly, the preparation method of modified acrylonitrile-butadiene-styrene resin can manufacture modified acrylonitrile-butadiene-styrene resin having excellent low glossy properties, impact resistance, and thermal resistance, and having low total content of volatile organic compounds. The method comprises the steps of: manufacturing a polymerization solution; manufacturing a polymerization product; and performing devolatilization. COPYRIGHT KIPO 2017 (AA) Supplementary solution ...

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Номер записи: 59
31-01-2019 дата публикации

COPOLYMER AND PREPARATION METHOD THEREFOR

Номер: WO2019022544A1
Автор: SEO, Jae Bum, LEE, Dae Woo, PARK, Jung Tae, KIM, Gyu Sun, JANG, Ji Uk
Принадлежит:

The present invention relates to a copolymer and a preparation method therefor, the polymer comprising: relative to a total weight of the copolymer, 20-65 wt% of an alkyl styrene-based monomer-derived unit, 10-40 wt% of a (meth)acrylate-based monomer-derived unit, and 20-40 wt% of an aromatic vinyl-based monomer-derived unit, wherein the content of residual monomers is 780 ppm or lower.

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Номер записи: 60
14-06-2017 дата публикации

내열 SAN 수지, 이의 제조방법 및 이를 포함하는 내열 ABS 수지 조성물

Номер: KR0101746910B1
Автор: 이대우, 한창훈, 서재범, 박정태, 최은정, 강병일, 성다은, 김규선
Принадлежит: 주식회사 엘지화학

... 본 기재는 내열 SAN 수지, 이의 제조방법 및 이를 포함하는 내열 ABS 수지 조성물에 관한 것으로, 보다 상세하게는 내열성 방향족 비닐계 단량체 60 내지 80 중량% 및 비닐시안 단량체 20 내지 40 중량%를 포함하는 단량체 혼합물 100 중량부를 포함하여 중합되되, 중량평균 분자량이 100,000 내지 150,000 g/mol, 유리전이 온도가 125℃ 이상 및 중합 전환율이 65% 이상인 것을 특징으로 하는 내열 SAN 수지에 관한 것이다. 본 기재에 따르면, 내열도 및 분자량을 유지하면서 중합 전환율을 개선한 내열 SAN 수지 및 이의 제조방법 제공되며 이를 포함하여 ABS 수지를 제조시 내열도, 내충격성, 강성 및 몰드 디포짓(mold deposit)이 우수한 내열 ABS 수지 조성물을 제공하는 효과가 있다.

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Номер записи: 61
16-06-2015 дата публикации

METHOD FOR PREPARING COPOLYMER RESIN HAVING HEAT RESISTANCE AND COPOLYMER RESIN PREPARED BY USING SAME

Номер: KR1020150066386A
Автор: SEO, JAE BUM, HAN, CHANG HUN, LEE, DAE WOO, PARK, JUNG TAE, CHOI, EUN JUNG, KANG, BYOUNG IL, SUNG, DA EUN, KIM, GYU SUN
Принадлежит:

The present invention relates to a method for preparing a copolymer resin with heat resistance, comprising the steps of: (F_0) injecting a reactive solution mixed with an aromatic vinyl compound, a vinyl cyanide compound, an imide-based compound, a solvent, and an initiator into a first reactor; (R_1) firstly polymerizing the reactive solution in the first reactor; (F_1) injecting a mixture solution including a polymer polymerized in the first polymerization step into a second reactor; (f_1) separating and injecting the imide-based compound into the second reactor when the mixture solution is injected into the second reactor; and (R_2) secondly polymerizing the mixture solution and the imide-based compound in the second reactor. COPYRIGHT KIPO 2015 (AA) Aromatic vinyl compound vinyl cyanide compound imide-based compound solvent initiator (BB) Imide-based compound (CC) Devolatilization tank (DD) Heat-resistant copolymer resin (R_1) First reactor (R_2) Second reactor ...

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Номер записи: 62
28-03-2016 дата публикации

(meth)Acrylate-based resin composition having properties of good impact resistance and transparency

Номер: KR0101606959B1
Автор: 강병일, 한창훈, 서재범, 최은정, 성다은
Принадлежит: 주식회사 엘지화학

... 본 발명은 베이스 수지로서 표면경도가 우수하고 굴절율이 높은 PMMA-co-PhMA / PC 얼로이{폴리(알킬(메트)아크릴레이트-페닐(메트)아크릴레이트) 공중합체와 폴리카보네이트의 폴리머 얼로이(polymer alloy) ; 이하 'PMMA-co-PhMA / PC 얼로이'라고 한다} 및 충격흡수효율이 우수한 공액디엔계 중합체를 사용하여 충격보강제를 소량 사용하면서도 우수한 내충격성을 발휘하도록 하여 우수한 투명성을 제공할 수 있는 (메트)아크릴레이트계 수지 조성물에 관한 것으로서, 공액디엔계 중합체 1 내지 29중량% 및 PMMA-co-PhMA / PC 얼로이 71 내지 99중량%를 포함하여 이루어짐을 특징으로 한다.

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Номер записи: 63
09-02-2017 дата публикации

내열 ABS 수지의 제조방법 및 이로부터 제조된 내열 ABS 수지

Номер: KR0101705410B1
Автор: 서재범, 한창훈, 이대우, 박정태, 최은정, 강병일, 성다은, 김규선
Принадлежит: 주식회사 엘지화학

... 본 기재는 내열 ABS 수지의 제조방법에 관한 것으로, 보다 상세하게는 알파-메틸스티렌 단량체 42 내지 52중량%, 비닐시안 단량체 15 내지 25중량%, 방향족 고무질 공중합체 2 내지 6중량%, 공액디엔계 고무 2 내지 6중량% 및 반응용매 15 내지 35중량%를 중합시키는 단계를 포함하는 제조방법에 관한 것이다. 본 기재에 따르면, 기존 내열 ABS 수지에 비하여 열안정성과 몰드 디포짓(mold deposit)이 적은 내열 ABS 수지의 제조방법 및 상기의 방법으로 제조된 내열성이 우수한 ABS 수지를 제공하는 효과가 있다.

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Номер записи: 64
29-06-2017 дата публикации

COMPOSITION FOR PREPARING SAN COPOLYMER, SAN COPOLYMER, PREPARATION METHOD THEREFOR, HEAT-RESISTANT ABS RESIN BLEND COMPRISING SAME, AND HEAT-RESISTANT ABS PELLETS

Номер: WO2017111560A1
Автор: KIM, Gyu Sun, HAN, Chang Hun, LEE, Dae Woo, SEO, Jae Bum, PARK, Jung Tae, CHOI, Eun Jung, KANG, Byoung Il, SUNG, Da Eun
Принадлежит:

The present invention relates to a composition for preparing a SAN copolymer, a SAN copolymer, a preparation method therefor, a heat-resistant ABS resin blend comprising the same, and heat-resistant ABS pellets. Specifically, the present invention provides a composition for preparing a SAN copolymer, the composition comprising a monomer mixture, and ethylene glycol dimethacrylate as a chain extender, wherein the monomer mixture comprises, relative to the total weight of the monomer mixture, 60-75 wt% of an α-methylstyrene monomer and 25-40 wt% of an acrylonitrile-based monomer; and the ethylene glycol dimethacrylate is contained in 0.001-0.15 parts by weight relative to 100 parts by weight of the monomer mixture.

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Номер записи: 65