公开(公告)号：EP3176193A4

公开(公告)日：2017-08-02

申请号：EP16811979

申请日：2016-06-17

申请人： LG CHEMICAL LTD

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

IPC分类号： C08F279/02 ,  C08F2/00 ,  C08F2/02 ,  C08F2/06 ,  C08F212/08 ,  C08F220/44 ,  C08F222/40

CPC分类号： C08L55/02 ,  C08F2/001 ,  C08F2/02 ,  C08F2/06 ,  C08F279/02 ,  C08L25/10 ,  C08F212/08 ,  C08F220/44 ,  C08F222/40

摘要： 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.

摘要翻译： 本发明涉及一种制备低光泽度，冲击强度和耐热性优异且总挥发性有机化合物含量低的改性丙烯腈 - 丁二烯 - 苯乙烯基树脂的方法; 和由此制备的改性丙烯腈 - 丁二烯 - 苯乙烯基树脂。 因此，用于制备改性丙烯腈 - 丁二烯 - 苯乙烯基树脂的方法可以制备具有优异的低光泽度，耐热性和冲击强度并且总挥发性有机化合物含量低的改性丙烯腈 - 丁二烯 - 苯乙烯基树脂。

公开(公告)号：EP3296332A4

公开(公告)日：2018-07-25

申请号：EP16873227

申请日：2016-11-02

申请人： LG CHEMICAL LTD

发明人： SEO JAE BUM ,  HAN CHANG HUN ,  LEE DAE WOO ,  PARK JUNG TAE ,  KIM GYU SUN

IPC分类号： C08F212/10 ,  C08F2/04 ,  C08F2/38 ,  C08F2/44 ,  C08F6/10

CPC分类号： C08F212/10 ,  C08F2/04 ,  C08F2/38 ,  C08F2/44 ,  C08F6/10 ,  C08F2800/20

摘要： The present invention relates to a method of preparing a styrene-based resin having a low oligomer content and a styrene-based resin prepared thereby. The preparation method according to the present invention may prepare a styrene-based resin having a reduced oligomer content by using a polymerization initiator having a 1 hour half-life temperature, which is 5°C to 25°C lower than a temperature during polymerization, and controlling devolatilization conditions.

公开(公告)号：EP2937366A4

公开(公告)日：2016-08-03

申请号：EP14819373

申请日：2014-02-27

申请人： LG CHEMICAL LTD

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

IPC分类号： C08F212/10 ,  C08F2/02 ,  C08L25/12 ,  C08L25/16 ,  C08L55/02

CPC分类号： C08L25/12 ,  C08F2/02 ,  C08F212/10 ,  C08L25/16 ,  C08L55/02 ,  C08F4/36 ,  C08F212/12 ,  C08F220/44 ,  C08F212/08

摘要： Disclosed are a heat-resistant SAN resin, a method of preparing the same, and a heat-resistant ABS resin composition comprising the same. More particularly, a heat-resistant SAN resin comprising 60 to 75 wt% of ±-methylstyrene, 25 to 35 wt% of a vinyl cyan compound, and 0 to 10 wt% of an aromatic vinyl compound (except for ±-methylstyrene), the heat-resistant SAN resin having a degree of branching of 0.40 to 0.60, a molecular weight of 90,000 to 150,000 g/mol, and a glass transition temperature (Tg) of 124 to 140°C, a method of preparing the same, and a heat-resistant ABS resin composition comprising the same are disclosed. According to the present invention, a heat-resistant SAN resin having excellent heat resistance and productivity, and excellent improvement effects for heat resistance, environmental crack resistance, color, and processability when applied to an ABS resin, a method of preparing the same, and a heat-resistant ABS resin composition comprising the same are disclosed.

公开(公告)号：EP3287489A4

公开(公告)日：2018-07-11

申请号：EP16879427

申请日：2016-12-23

申请人： LG CHEMICAL LTD

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

IPC分类号： C08F212/12 ,  C08F2/02 ,  C08F220/44 ,  C08F222/10 ,  C08L25/16 ,  C08L55/02

CPC分类号： C08L25/12 ,  C08F2/02 ,  C08F212/12 ,  C08F220/44 ,  C08F257/02 ,  C08F279/04 ,  C08F285/00 ,  C08F2500/04 ,  C08F2800/20 ,  C08K5/14 ,  C08K5/315 ,  C08L25/16 ,  C08L55/02 ,  C08F2222/1013

摘要： 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 60 to 75 wt% of an ±-methylstyrene monomer and 25 to 40 wt% of an acrylonitrile-based monomer based on the total weight of the monomer mixture; and the ethylene glycol dimethacrylate is contained in an amount of 0.001 to 0.15 parts by weight based on 100 parts by weight of the monomer mixture.

公开(公告)号：EP3279226A4

公开(公告)日：2018-06-27

申请号：EP17770478

申请日：2017-01-31

申请人： LG CHEMICAL LTD

发明人： LEE DAE WOO ,  HAN CHANG HUN ,  SEO JAE BUM ,  PARK JUNG TAE ,  KIM GYU SUN

IPC分类号： C08F212/10 ,  C08F2/38 ,  C08F4/36 ,  C08F6/10 ,  C08L25/12 ,  C08L55/02

CPC分类号： C08F212/10 ,  C08F2/38 ,  C08F2/44 ,  C08F4/36 ,  C08F6/003 ,  C08F6/10 ,  C08F214/10 ,  C08F297/04 ,  C08K5/14 ,  C08L25/12 ,  C08L55/02

摘要： The present invention provides a method of preparing an aromatic vinyl-unsaturated nitrile-based copolymer in which, when an aromatic vinyl-unsaturated nitrile-based copolymer in which a content of a structural unit derived from unsaturated nitrile monomers in the copolymer is in the range of 22 to 30 wt% is prepared, oligomer content and unreacted monomer content are decreased, resulting in excellent heat resistance, significantly improved surface quality, and particularly, reduced generation of residue on a product surface when used in a closed high temperature environment and reduced occurrence of mold deposits during injection molding, and an aromatic vinyl-unsaturated nitrile-based copolymer prepared using the method.