公开(公告)号：US20200165522A1

公开(公告)日：2020-05-28

申请号：US16619688

申请日：2018-10-10

Applicant: LG CHEM, LTD.

Inventor： Soon Ho KWON ,  Seongku KIM ,  Sung Joon MIN ,  Hoonseo PARK ,  Hyeong Seuk YUN ,  Sang Mi LEE ,  Jung Ho JO

IPC: C09K19/56 ,  C08G73/10 ,  G02F1/1337

Abstract: A liquid crystal alignment agent composition for producing a liquid crystal alignment film having enhanced alignment property and stability and a high voltage holding ratio, a method of producing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same, are provided.

公开(公告)号：US20190390116A1

公开(公告)日：2019-12-26

申请号：US16484402

申请日：2018-06-26

Applicant: LG CHEM, LTD.

Inventor： Jung Ho JO ,  Hee HAN ,  Sung Joon MIN ,  Hang Ah PARK ,  Sang Mi LEE ,  Soon Ho KWON ,  Jun Young YOON ,  Hyeong Seuk YUN ,  Seongku KIM

IPC: C09K19/56 ,  C08L63/00 ,  C08L79/08 ,  C08G59/50 ,  G02F1/1337

Abstract: The present invention relates to a liquid crystal aligning agent composition capable of securing a high imidization rate under relatively mild curing conditions, minimizing side reactions and thus having excellent stability, a method for producing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.

公开(公告)号：US20180373099A1

公开(公告)日：2018-12-27

申请号：US16085963

申请日：2017-11-23

Applicant: LG CHEM, LTD.

Inventor： Hyeong Seuk YUN ,  Jung Ho JO ,  Sung Joon MIN ,  Hee HAN ,  Hang Ah PARK ,  Sang Mi LEE ,  Soon Ho KWON ,  Jun Young YOON

IPC: G02F1/1337 ,  C09K19/54 ,  C09K19/56

Abstract: The present invention provides a liquid crystal alignment film not only having an excellent alignment property and stability, but also having high film strength, and thus exhibiting excellent durability and a high residual image property, a method for preparing the same, and a liquid crystal display device using the same.

公开(公告)号：US20170349688A1

公开(公告)日：2017-12-07

申请号：US15531406

申请日：2016-10-06

Applicant: LG CHEM, LTD.

Inventor： Hyun Taek OH ,  Yong Yeon HWANG ,  Min Jung KIM ,  Chun Ho PARK ,  Sang Mi LEE ,  Yeong Min LEE ,  Eun Soo KANG

IPC: C08F257/02 ,  C08J3/00 ,  C08L25/14

CPC classification number: C08F257/02 ,  C08F20/06 ,  C08J3/005 ,  C08J3/12 ,  C08J2325/14 ,  C08J2451/00 ,  C08L25/14 ,  C08L33/06 ,  C08L51/06 ,  C08L2207/53

Abstract: The present invention relates to a weather-resistant thermoplastic resin, a thermoplastic resin composition containing the same, and a method of preparing the thermoplastic resin composition. More particular, the present invention relates to a thermoplastic resin including a) a hard core having a refractive index of 1.530 to 1.590; b) a crosslinked rubber layer that surrounds the hard core, has an average thickness of 30 to 80 nm, and is prepared by polymerizing an alkyl (meth)acrylate compound and a crosslinking agent; and c) a non-crosslinked hard shell that surrounds the crosslinked rubber layer and is prepared by polymerizing an aromatic vinyl compound and a vinyl cyanide compound, a thermoplastic resin composition including the thermoplastic resin, and a method of preparing the thermoplastic resin composition. In accordance to the present disclosure, a weather-resistant thermoplastic resin having superior rigidity and impact resistance, particularly excellent surface gloss and coloring properties, a thermoplastic resin composition containing the same, and a method of preparing the thermoplastic resin composition may be provided.

公开(公告)号：US20160304651A1

公开(公告)日：2016-10-20

申请号：US14234304

申请日：2013-09-24

Applicant: LG CHEM, LTD.

Inventor： Hye Kyung HAN ,  Yong Yeon HWANG ,  Min Jung KIM ,  Chun Ho PARK ,  Sang Mi LEE

IPC: C08F265/04 ,  C08L69/00

CPC classification number: C08F265/04 ,  C08F285/00 ,  C08F291/02 ,  C08L51/04 ,  C08L69/00 ,  C08F212/08 ,  C08F220/44

Abstract: Disclosed are an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound copolymer which is prepared using a polyalkylene cross-linking agent such as polyethylene glycol diacrylate or polyethylene glycol dimethacrylate for a core of the alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound copolymer and thus advantageously improves low-temperature impact strength of resins when the copolymer is applied to a polycarbonate resin composition, and the polycarbonate resin composition comprising the copolymer.

Abstract translation: 公开了使用聚亚烷基交联剂如聚乙二醇二丙烯酸酯或聚乙二醇二甲基丙烯酸酯制备丙烯酸烷基酯 - 芳族乙烯基化合物 - 乙烯基氰化合物共聚物的核心的丙烯酸烷基酯 - 芳族乙烯基化合物 - 乙烯基氰化合物共聚物， 从而有利地提高了将共聚物应用于聚碳酸酯树脂组合物时的树脂的低温冲击强度，以及包含该共聚物的聚碳酸酯树脂组合物。

公开(公告)号：US20190256778A1

公开(公告)日：2019-08-22

申请号：US16333840

申请日：2018-08-09

Applicant: LG CHEM, LTD.

Inventor： Seongku KIM ,  Hee HAN ,  Jung Ho JO ,  Sung Joon MIN ,  Sang Mi LEE ,  Soon Ho KWON ,  Jun Young YOON ,  Hyeong Seuk YUN ,  Hoonseo PARK

IPC: C09K19/56

Abstract: The present invention relates to a liquid crystal aligning agent composition for forming a liquid crystal alignment film exhibiting excellent alignment and electrical characteristics and simultaneously having excellent film strength, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.

公开(公告)号：US20180265687A1

公开(公告)日：2018-09-20

申请号：US15533362

申请日：2016-11-10

Applicant: LG CHEM, LTD.

Inventor： Chun Ho PARK ,  Yong Yeon HWANG ,  Hyun Taek OH ,  Min Jung KIM ,  Sang Mi LEE ,  Yeong Min LEE ,  Eun Soo KANG

IPC: C08L25/12 ,  C08L25/16 ,  C08L51/04 ,  C08L51/06

CPC classification number: C08L25/12 ,  C08F265/04 ,  C08F279/04 ,  C08L25/16 ,  C08L51/04 ,  C08L51/06 ,  C08L2201/02 ,  C08L2201/08 ,  C08L2203/20 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2207/04 ,  C08F212/10 ,  C08L55/02 ,  C08L35/06

Abstract: The present disclosure relates to a thermoplastic resin composition providing superior low-gloss characteristic, weather resistance, and mechanical properties and an extruded article manufactured from the same. More particularly, the present invention relates to a thermoplastic resin composition including 40 to 70% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer as a matrix resin; 20 to 40% by weight of an acrylic graft copolymer (a) in which 46 to 95% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer is grafted to 5 to 54% by weight of a (meth)acrylate-based rubbery polymer having an average particle diameter of 0.05 to 1 μm; 1 to 10% by weight of an acrylic graft copolymer (b) in which 5 to 45% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer is grafted to 55 to 95 % by weight of a (meth)acrylate-based rubbery polymer having an average particle diameter of 0.05 to 1 μm; and 1 to 20% by weight of a large-diameter diene-based graft copolymer (c) in which 80 to 95% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer is grafted to 5 to 20% by weight of a diene-based rubbery polymer having an average particle diameter of 1 to 20 μm, and thus, providing superior low-gloss characteristic, weather resistance, and mechanical properties, and an extruded article manufactured from the same.

公开(公告)号：US20170369692A1

公开(公告)日：2017-12-28

申请号：US15533357

申请日：2016-11-04

Applicant: LG CHEM, LTD.

Inventor： Chun Ho PARK ,  Yong Yeon HWANG ,  Hyun Taek OH ,  Min Jung KIM ,  Sang Mi LEE ,  Yeong Min LEE ,  Eun Soo KANG

IPC: C08L25/12 ,  C08J5/00 ,  C08L51/06

CPC classification number: C08L25/12 ,  C08J5/00 ,  C08L51/04 ,  C08L51/06 ,  C08L2201/02 ,  C08L2201/04 ,  C08L2205/025 ,  C08L2205/03 ,  C08L55/02

Abstract: The present disclosure relates to a thermoplastic resin composition and a molded article manufactured from the same. More particularly, the present disclosure relates to a thermoplastic resin composition including 10 to 59% by weight of an acrylic graft copolymer resin (a) having a graft efficiency of 50 to 95%; 1 to 20% by weight of an acrylic graft copolymer resin (b) having a graft efficiency of 5 to 49%; and 21 to 89% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer resin (c), wherein a weight ratio of (a):(b) is 1:1 to 10:1, and a molded article manufactured from the same. In accordance with the present disclosure, a thermoplastic resin composition that exhibits glossy effect by injection molding and matte effect by extrusion molding while providing superior mechanical strength and thus is applicable to both glossy products and matte products, and a molded article manufactured from the same are provided.

公开(公告)号：US20170066850A1

公开(公告)日：2017-03-09

申请号：US15357734

申请日：2016-11-21

Applicant: LG CHEM, LTD.

Inventor： Ro Mi LEE ,  Sang Mi LEE ,  Choon Hwa LEE ,  Byung Hoon YOON ,  Jin Young KIM ,  Moon Seok CHUN

IPC: C08C19/25 ,  C08F236/10 ,  C08K3/36 ,  C08K5/54 ,  C07F7/18 ,  C08K3/04

CPC classification number: C08C19/25 ,  C07F7/1804 ,  C08C19/44 ,  C08F236/10 ,  C08K3/04 ,  C08K3/36 ,  C08K5/5406 ,  C08L15/00

Abstract: Disclosed are a modified conjugated diene polymer and a method for preparing the same. The modified conjugated diene polymer and the method for preparing the same advantageously provide superior compatibility with an inorganic filler, heat generation, tensile strength and abrasion resistance, low fuel consumption and excellent resistance on wet roads.

Abstract translation: 公开了改性共轭二烯聚合物及其制备方法。 改性共轭二烯聚合物及其制备方法有利地提供与无机填料的良好相容性，发热，拉伸强度和耐磨性，低燃料消耗和优异的湿路面阻力。

公开(公告)号：US20160053059A1

公开(公告)日：2016-02-25

申请号：US14391303

申请日：2014-03-27

Applicant: LG CHEM, LTD.

Inventor： Jin Young KIM ,  Ro Mi LEE ,  Sang Mi LEE ,  Heung Yeal CHOI ,  Moon Seok CHUN

IPC: C08J3/24 ,  C08K3/36

CPC classification number: C08K3/36 ,  C08L9/06

Abstract: Disclosed are a method for continuously preparing a modified conjugated diene polymer, a polymer obtained by the method and a rubber composition comprising the same. Advantageously, provided is a method for continuously preparing a modified conjugated diene polymer which has a high molecular weight and exhibits superior processability due to control of molecular weight distribution (polydispersity).

Abstract translation: 公开了连续制备改性共轭二烯聚合物，通过该方法得到的聚合物和含有它的橡胶组合物的方法。 有利地，提供一种连续制备由于分子量分布（多分散性）的控制而具有高分子量并显示出优异的加工性能的改性共轭二烯聚合物的方法。