公开(公告)号：US20230391999A1

公开(公告)日：2023-12-07

申请号：US18034044

申请日：2022-05-02

Applicant: LG CHEM, LTD.

Inventor： Sang Hoo PARK ,  Jeong Su CHOI ,  Won Seok LEE ,  Roo Da LEE ,  Yeo Ju KIM ,  Jong Ju LEE

IPC: C08L33/12 ,  C08F279/02 ,  C08F220/14

CPC classification number: C08L33/12 ,  C08F279/02 ,  C08F220/14

Abstract: The present disclosure relates to thermoplastic resin composition including: a graft polymer comprising a diene-based rubber polymer onto which a (meth)acrylate-based monomer unit and a vinyl aromatic monomer unit are grafted; a non-grafted polymer comprising a (meth)acrylate-based monomer unit and a vinyl aromatic monomer unit; and 3 to 30% by weight of waste artificial marble.

公开(公告)号：US20210355313A1

公开(公告)日：2021-11-18

申请号：US17275142

申请日：2020-06-04

Applicant: LG CHEM, LTD.

Inventor： Roo Da LEE ,  Jeong Su CHOI ,  Won Seok LEE ,  Sang Hoo PARK ,  Jong Ju LEE

IPC: C08L51/04

Abstract: Provided is a thermoplastic resin composition which includes: a base resin including, in a weight ratio of 70:30 to 90:10, a first copolymer formed by graft polymerization of a diene-based rubber polymer having an average particle diameter of 50 to 200 nm with a first monomer mixture including an alkyl(meth)acrylate-based monomer and an aromatic vinyl-based monomer and a second copolymer which is a copolymer of a second monomer mixture including an alkyl(meth)acrylate-based monomer and an aromatic vinyl-based monomer; and a plasticizer.

公开(公告)号：US20210292538A1

公开(公告)日：2021-09-23

申请号：US16619435

申请日：2018-11-09

Applicant: LG CHEM, LTD.

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

IPC: C08L51/04 ,  C08J3/12

Abstract: The present invention relates to a method for preparing a graft copolymer powder, which includes: performing emulsion polymerization of a conjugated diene polymer, an aromatic vinyl monomer and an alkyl (meth)acrylate monomer to prepare a graft copolymer latex; coagulating the graft copolymer latex; aging the coagulated graft copolymer; preparing a wet powder of the graft copolymer by dehydrating the aged graft copolymer; and adding poly(oxyalkylene)diglycolic acid to the wet powder of the graft copolymer.

公开(公告)号：US20190382575A1

公开(公告)日：2019-12-19

申请号：US16463830

申请日：2018-10-02

Applicant: LG CHEM, LTD.

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

IPC: C08L33/06 ,  C08F279/06 ,  C08J3/07 ,  C08K5/3472

Abstract: The present invention relates to a method for preparing a graft copolymer complex, a copolymer complex prepared by the method, and a thermoplastic resin composition comprising the copolymer complex, wherein the method comprises emulsion-polymerizing a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl (meth)acrylate-based monomer to prepare a graft copolymer latex; and adding an imidazole-based ionic compound to the graft copolymer latex and coagulating the same.

公开(公告)号：US20170198132A1

公开(公告)日：2017-07-13

申请号：US14786951

申请日：2015-06-08

Applicant: LG CHEM, LTD.

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

IPC: C08L51/04 ,  C08L33/20 ,  C08L51/00

CPC classification number: C08L51/04 ,  C08F2/02 ,  C08F2/44 ,  C08F279/02 ,  C08G69/40 ,  C08L33/04 ,  C08L33/12 ,  C08L33/20 ,  C08L51/003 ,  C08L55/02 ,  C08L77/00 ,  C08L2201/08 ,  C08L2205/03 ,  C08L2205/06 ,  C08L77/12 ,  C08L25/12 ,  C08L25/14

Abstract: Disclosed are a transparent resin composition, which may be used in medical products and food storage containers, having superior chemical resistance and transparency, a method of preparing the same and a molded article manufactured therefrom. More particularly, disclosed are a thermoplastic transparent resin composition having superior chemical resistance and transparency, which comprises (A) a graft copolymer in which a) a conjugated diene rubber latex is graft copolymerized with b) a methacrylate alkyl ester compound or an acrylate alkyl ester compound, c) an aromatic vinyl compound, and d) a vinyl cyano compound; (B) a copolymerized resin in which i) a methacrylate alkyl ester compound or an acrylate alkyl ester compound, ii) an aromatic vinyl compound and iii) a vinyl cyano compound are copolymerized; and (C) a polyether-amide block copolymer, a method of preparing the same, and a molded article manufactured therefrom.