公开(公告)号：WO2012087056A2

公开(公告)日：2012-06-28

申请号：PCT/KR2011010019

申请日：2011-12-23

Applicant: LG CHEMICAL LTD ,  CHOI JEONG-SU ,  YOO KEUN-HOON ,  BAHN HYONG-MIN ,  LEE WON-SEOK ,  JANG SEOK-GOO

Inventor： CHOI JEONG-SU ,  YOO KEUN-HOON ,  BAHN HYONG-MIN ,  LEE WON-SEOK ,  JANG SEOK-GOO

IPC: C08F279/02 ,  C08L53/02 ,  C08L55/02

CPC classification number: C08F279/02 ,  C08L51/04 ,  C08L53/02 ,  C08L55/02 ,  C08L33/10 ,  C08F212/10 ,  C08F220/18 ,  C08F220/06 ,  C08F2220/286

Abstract: Disclosed is a graft monomer composition for thermoplastic transparent resins, a composition for thermoplastic transparent resins using the same and a thermoplastic transparent resin that exhibits superior transparency and color at low rubber contents. According to the graft monomer composition, the composition for thermoplastic transparent resins and the thermoplastic transparent resin, although the content of rubber in final products increases or the content of rubber in graft copolymers in the preparation of final products increases, the copolymer surrounds the surface of rubber well, thus reducing haze, considerably improving transparency and exhibiting excellent natural color.

Abstract translation: 本发明公开了一种用于热塑性透明树脂的接枝单体组合物，一种使用该组合物的热塑性透明树脂组合物和一种热塑性透明树脂，其在低橡胶含量时表现出优异的透明度和颜色。 根据接枝单体组合物，用于热塑性透明树脂和热塑性透明树脂的组合物尽管最终产品中的橡胶含量增加或接枝共聚物中橡胶在制备最终产品中的含量增加，但共聚物围绕 橡胶好，从而减少雾度，大大提高透明度并显示优异的天然色彩。

公开(公告)号：WO2007043816A1

公开(公告)日：2007-04-19

申请号：PCT/KR2006/004107

申请日：2006-10-12

Applicant: LG CHEM, LTD. ,  LIM, Kyung-sik ,  AHN, Tae-gun ,  NAM, Sang-il ,  YOO, Keun-hoon ,  LEE, Chan-hong

Inventor： LIM, Kyung-sik ,  AHN, Tae-gun ,  NAM, Sang-il ,  YOO, Keun-hoon ,  LEE, Chan-hong

IPC: C08J3/16

CPC classification number: C08C1/14 ,  C08F257/02 ,  C08F265/04 ,  C08F265/06 ,  C08F283/00 ,  C08F283/12 ,  C08F285/00 ,  C08G77/442 ,  C08L51/04 ,  C08L51/08 ,  Y10S528/936 ,  C08L2666/04 ,  C08L2666/02

Abstract: The present invention relates to a method for preparing a high molecular latex resin powder, and more precisely, a method for preparing a high molecular latex resin powder which comprises the steps of preparing a slurry by coagulating a high molecular latex; stabilizing the slurry; and aging the stabilized slurry, and is characterized by the direct addition of a colloidal modifier to the high molecular latex reactant during the preparation of the slurry. According to the present invention, the high molecular latex resin powder prepared by the method of the present invention has excellent particle size distribution, apparent specific gravity, caking property and thermo-stability, even with high solid content, compared with the conventional slow coagulation, and at the same time the method has an advantage of reducing energy costs and waste water generation.

Abstract translation: 本发明涉及一种制备高分子胶乳树脂粉末的方法，更确切地说，涉及制备高分子胶乳树脂粉末的方法，该方法包括以下步骤：通过凝结高分子胶乳制备浆料; 稳定浆料; 并老化稳定的浆料，其特征在于在制备浆料期间直接向高分子胶乳反应物中加入胶态改性剂。 根据本发明，通过本发明的方法制备的高分子量胶乳树脂粉末与常规的缓慢凝固相比，即使具有高的固体含量，也具有优异的粒度分布，表观比重，结块性和热稳定性， 同时该方法具有降低能源成本和废水产生的优点。

公开(公告)号：WO2006080783A1

公开(公告)日：2006-08-03

申请号：PCT/KR2006/000186

申请日：2006-01-18

Applicant: LG CHEM, LTD. ,  BAEK, Sung Ho ,  AHN, Bong Keun ,  YOO, Keun Hoon ,  LEE, Chan Hong

Inventor： BAEK, Sung Ho ,  AHN, Bong Keun ,  YOO, Keun Hoon ,  LEE, Chan Hong

IPC: C08F12/18

CPC classification number: C08F212/08 ,  C08F212/36

Abstract: Disclosed are a colored expandable polystyrene resin having high strength, a method for producing thereof, and an expandable molded product using the same. More specifically, the colored expandable polystyrene resin having high strength of the present invention is characterized in that it is produced by adding nanocalcium carbonate and a colored dye into styrene monomer.

Abstract translation: 公开了具有高强度的有色可发性聚苯乙烯树脂，其制造方法和使用其的可膨胀模塑制品。 更具体地说，本发明的具有高强度的有色可发性聚苯乙烯树脂的特征在于其通过将碳酸纳碳酸钙和着色染料加入到苯乙烯单体中来制备。

公开(公告)号：WO2003011927A1

公开(公告)日：2003-02-13

申请号：PCT/KR2002/001374

申请日：2002-07-22

Applicant: LG CHEM, LTD. ,  YOO, Keun-Hoon ,  CHOI, Jeong-Su ,  KIM, Sung-Hee ,  BAHN, Hyong-Min ,  LEE, Chan-Hong

Inventor： YOO, Keun-Hoon ,  CHOI, Jeong-Su ,  KIM, Sung-Hee ,  BAHN, Hyong-Min ,  LEE, Chan-Hong

IPC: C08F279/02

CPC classification number: C08F279/02 ,  C08F220/10 ,  C08F220/42 ,  C08F212/08

Abstract: The present invention relates to a process for preparing thermoplastic resin for extrusion sheets, and particularly to a process for preparing acrylonitrile-butadiene-styrene (ABS) thermoplastic transparent resin for extrusion sheets having superior impact resistance, chemical resistance, processability, whitening resistance, high temperature elongation, etc. and very superior transparency, by controlling a mixing ratio of a methacrylate alkylester compound or acrylate alkylester compound, an aromatic vinyl compound, and a vinylcyanide compound grafted on conjugated diene rubber latex of which an average particle diameter and gel contents (degree of crosslinking) are optimized to control a refractive index of the monomer mixture to be similar to that of the rubber latex, and optimizing the molecular weight.

Abstract translation: 本发明涉及一种制备用于挤出片材的热塑性树脂的方法，特别涉及制备具有优异的耐冲击性，耐化学性，加工性，耐白度，高的挤出片材的丙烯腈 - 丁二烯 - 苯乙烯（ABS）热塑性透明树脂的方法 温度伸长率等优异的透明性，通过控制接枝在共轭二烯橡胶胶乳上的甲基丙烯酸烷基酯化合物或丙烯酸酯烷基酯化合物，芳族乙烯基化合物和乙烯基氰化合物的混合比，平均粒径和凝胶含量（ 优化交联度）以控制单体混合物的折射率与橡胶胶乳的折射率相似，并优化分子量。

公开(公告)号：WO2012087056A3

公开(公告)日：2012-06-28

申请号：PCT/KR2011/010019

申请日：2011-12-23

Applicant: LG CHEM, LTD. ,  CHOI, Jeong-Su ,  YOO, Keun-Hoon ,  BAHN, Hyong-Min ,  LEE, Won-Seok ,  JANG, Seok-Goo

Inventor： CHOI, Jeong-Su ,  YOO, Keun-Hoon ,  BAHN, Hyong-Min ,  LEE, Won-Seok ,  JANG, Seok-Goo

IPC: C08F279/02 ,  C08L53/02 ,  C08L55/02

Abstract: Disclosed is a graft monomer composition for thermoplastic transparent resins, a composition for thermoplastic transparent resins using the same and a thermoplastic transparent resin that exhibits superior transparency and color at low rubber contents. According to the graft monomer composition, the composition for thermoplastic transparent resins and the thermoplastic transparent resin, although the content of rubber in final products increases or the content of rubber in graft copolymers in the preparation of final products increases, the copolymer surrounds the surface of rubber well, thus reducing haze, considerably improving transparency and exhibiting excellent natural color.

公开(公告)号：WO2006038758A1

公开(公告)日：2006-04-13

申请号：PCT/KR2005/001695

申请日：2005-06-07

Applicant: LG CHEM, LTD. ,  JUNG, Yu-sung ,  PARK, Dong-jin ,  YOO, Keun-hoon ,  LEE, Chan-hong

Inventor： JUNG, Yu-sung ,  PARK, Dong-jin ,  YOO, Keun-hoon ,  LEE, Chan-hong

IPC: C08F2/22

CPC classification number: C08F279/04 ,  C08F2/22 ,  C08F2/44 ,  C08F257/02 ,  C08F265/04 ,  C08F265/08 ,  C08F285/00 ,  C08L51/003 ,  C08L55/02 ,  C08L2666/02 ,  C08L2666/24

Abstract: The present invention relates to a method for preparing rubber latex. The method of the present invention is characterized in that hard polymer seed is fed into a polymerization reactor equipped with a condenser before the commencement of polymerization and that the condenser is operated from the start of the polymerization, so that the condensate containing the conjugated diene compound is fed into the polymerization reactor with the commencement of the polymerization. In accordance with the method for preparing rubber latex of the present invention, it is possible to prepare core-shell type rubber latex capable of maximizing surface grafting ratio of rubber latex without sacrificing uniformity of polymerization system and particle stabilization and prepare resin having superior impact resistance, coloring property and appearance property(luster), when applied to ABS resins.

Abstract translation: 本发明涉及一种制备橡胶胶乳的方法。 本发明的方法的特征在于，在聚合开始之前，将硬聚合物种子进料到装有冷凝器的聚合反应器中，并且从聚合开始就进行冷凝器的操作，使得含有共轭二烯化合物 在聚合开始时进料到聚合反应器中。 根据本发明的橡胶胶乳的制备方法，可以制备能够使橡胶胶乳的表面接枝率最大化的核 - 壳型橡胶胶乳，而不牺牲聚合体系的均匀性和颗粒稳定性，并制备具有优异耐冲击性的树脂 ，着色性和外观性（光泽），适用于ABS树脂。

公开(公告)号：WO03037977A2

公开(公告)日：2003-05-08

申请号：PCT/KR0201985

申请日：2002-10-24

Applicant: LG CHEMICAL LTD ,  CHOI JEONG-SU ,  KIM SUNG-HEE ,  BAHN HYOUNG-MIN ,  YOO KEUN-HOON

Inventor： CHOI JEONG-SU ,  KIM SUNG-HEE ,  BAHN HYOUNG-MIN ,  YOO KEUN-HOON

IPC: C08F2/00 ,  C08F2/02 ,  C08F2/22 ,  C08F279/02 ,  C08L51/04 ,  C08L55/02 ,  C08L

CPC classification number: C08L51/04 ,  C08F279/02 ,  C08L55/02 ,  C08L2666/14 ,  C08L77/12

Abstract: The present invention relates to acrylonitrile-butadiene-styrene copolymer transparent resin having superior chemical resistance and transparency and preparation thereof, and particularly to acrylonitrile-butadiene-styrene copolymer transparent resin having superior chemical resistance and transparency by graft-copolymerzing on a) conjugated diene rubber latex, b) methacrylate alkylester or acrylate alkylester compound, c) aromatic vinyl compound and d) vinyl cyanide compound, and preparation thereof. In addition, according to the present invention, chemical resistance and ESCR can be further improved by further adding e) polyester-amide copolymer to the acrylonitrile-butadiene-styrene copolymer transparent resin.

Abstract translation: 本发明涉及具有优异的耐化学性和透明性的丙烯腈 - 丁二烯 - 苯乙烯共聚物透明树脂及其制备，并且特别涉及通过在a）共轭二烯橡胶上接枝共聚合而具有优异的耐化学性和透明性的丙烯腈 - 丁二烯 - 苯乙烯共聚物透明树脂 乳液，b）甲基丙烯酸酯烷基酯或丙烯酸酯烷基酯化合物，c）芳族乙烯基化合物和d）氰化乙烯基化合物，及其制备。 另外，根据本发明，通过向丙烯腈 - 丁二烯 - 苯乙烯共聚物透明树脂中进一步添加e）聚酯 - 酰胺共聚物，可以进一步改善耐化学性和ESCR。

公开(公告)号：WO2007027049A1

公开(公告)日：2007-03-08

申请号：PCT/KR2006/003415

申请日：2006-08-30

Applicant: LG CHEM, LTD. ,  CHOI, Jeong-su ,  BAHN, Hyong-min ,  LEE, Mi-young ,  LEE, Won-seok ,  YOO, Keun-hoon

Inventor： CHOI, Jeong-su ,  BAHN, Hyong-min ,  LEE, Mi-young ,  LEE, Won-seok ,  YOO, Keun-hoon

IPC: C08L51/04

CPC classification number: C08F279/02 ,  C08F279/04 ,  C08F279/06 ,  C08L33/18 ,  C08L51/04 ,  C08L55/02 ,  C08L2203/202 ,  C08L2666/24 ,  C08L2666/02

Abstract: The present invention relates to a thermoplastic resin composition and a preparation method of the same, and more precisely a thermoplastic resin having excellent impact strength, surface gloss, and beautiful color, as well as a high level of hardness and scratch resistance, which comprises a) a primary graft copolymer prepared by polymerization of conjugated diene rubber latex with (metha)acrylic acid alkyl ester compound, aromatic vinyl compound and vinyl cyan compound; and b) a secondary copolymer prepared by polymerization of (metha)acrylic acid alkyl ester compound with aromatic vinyl compound and vinyl cyan compound.

Abstract translation: 本发明涉及一种热塑性树脂组合物及其制备方法，更准确地说，具有优异的冲击强度，表面光泽和美丽的颜色以及高水平的硬度和耐擦伤性的热塑性树脂，其包括 ）通过共轭二烯橡胶胶乳与（甲基）丙烯酸烷基酯化合物，芳族乙烯基化合物和乙烯基青色化合物的聚合制备的主接枝共聚物; 和b）通过（甲基）丙烯酸烷基酯化合物与芳族乙烯基化合物和乙烯基青色化合物的聚合制备的二次共聚物。

公开(公告)号：WO2006038768A1

公开(公告)日：2006-04-13

申请号：PCT/KR2005/002736

申请日：2005-08-19

Applicant: LG CHEM, LTD. ,  CHOI, Jeong-su ,  LEE, Mi-young ,  BAHN, Hyong-min ,  YOO, Keun-hoon ,  LEE, Won-seok

Inventor： CHOI, Jeong-su ,  LEE, Mi-young ,  BAHN, Hyong-min ,  YOO, Keun-hoon ,  LEE, Won-seok

IPC: C08L51/04

CPC classification number: C08F285/00 ,  C08L33/04 ,  C08L51/04 ,  Y10S525/902 ,  C08F220/00 ,  C08L2666/04

Abstract: The present invention relates to a transparent thermoplastic resin composition which characteristically contains A) 20-80 weight% of graft copolymer composed of a) conjugated diene rubber latex; b) intermediate layer prepared by copolymerization of acrylic acid alkylester derivative and aromatic vinyl derivative with the above a); and c) graft layer prepared by copolymerization of methacrylic acid alkylester derivative or acrylic acid alkylester derivative, aromatic vinyl derivative and vinyl cyan derivative with the above b) and B) 20-80 weight% of MSAN copolymer prepared by copolymerization of methacrylic acid alkylester derivative or acrylic acid alkylester derivative, aromatic vinyl derivative and vinyl cyan derivative. The transparent thermoplastic resin composition of the present invention has enhanced transparency, impact strength, surface gloss, weather resistance and color by being prepared by the method of the invention which is characterized by the steps of forming an intermediate layer by adding acrylic rubber to polybutadiene rubber, grafting, and regulating refractive indices of each monomers of a copolymer.

Abstract translation: 本发明涉及一种透明热塑性树脂组合物，其特征在于包含A）20-80重量％的由共轭二烯橡胶胶乳组成的接枝共聚物; b）通过丙烯酸烷基酯衍生物和芳族乙烯基衍生物与上述a）的共聚制备的中间层; 和c）通过甲基丙烯酸烷基酯衍生物或丙烯酸烷基酯衍生物，芳香族乙烯基衍生物和乙烯基氰基衍生物与上述b）和B）共聚制备的接枝层，其为通过甲基丙烯酸烷基酯衍生物共聚制备的20-80重量％的MSAN共聚物 或丙烯酸烷基酯衍生物，芳族乙烯基衍生物和乙烯基氰基衍生物。 本发明的透明热塑性树脂组合物通过本发明的方法制备透明性，冲击强度，表面光泽，耐候性和颜色，其特征在于以下步骤：通过将丙烯酸橡胶加入到聚丁二烯橡胶 ，接枝和调节共聚物各单体的折射率。

公开(公告)号：WO2003037977A3

公开(公告)日：2003-05-08

申请号：PCT/KR2002/001985

申请日：2002-10-24

Applicant: LG CHEM, LTD. ,  CHOI, Jeong-Su ,  KIM, Sung-Hee ,  BAHN, Hyoung-Min ,  YOO, Keun-Hoon

Inventor： CHOI, Jeong-Su ,  KIM, Sung-Hee ,  BAHN, Hyoung-Min ,  YOO, Keun-Hoon

IPC: C08F279/02

Abstract: The present invention relates to acrylonitrile-butadiene-styrene copolymer transparent resin having superior chemical resistance and transparency and preparation thereof, and particularly to acrylonitrile-butadiene-styrene copolymer transparent resin having superior chemical resistance and transparency by graft-copolymerzing on a) conjugated diene rubber latex, b) methacrylate alkylester or acrylate alkylester compound, c) aromatic vinyl compound and d) vinyl cyanide compound, and preparation thereof. In addition, according to the present invention, chemical resistance and ESCR can be further improved by further adding e) polyester-amide copolymer to the acrylonitrile-butadiene-styrene copolymer transparent resin.