公开(公告)号：EP4286456A1

公开(公告)日：2023-12-06

申请号：EP22856031.4

申请日：2022-07-13

申请人： LG Chem, Ltd.

发明人： PARK, Minsung ,  PARK, Chee Sung ,  HWANG, Daehyeon ,  JEON, Kwang Seoung

IPC分类号： C08J5/04 ,  C08J5/06 ,  C08L101/00 ,  C08L21/00 ,  C08L23/08 ,  C08L23/16 ,  C08L9/02 ,  C08L9/06 ,  C08L1/02 ,  C08K3/013

摘要： The present disclosure relates to a polymer composite and a molded article containing the same. According to the present disclosure, there is provided a polymer composite capable of exhibiting excellent mechanical properties while being environmentally friendly by containing cellulose fibers as a reinforcing material.

公开(公告)号：EP3632985A1

公开(公告)日：2020-04-08

申请号：EP18862379.7

申请日：2018-09-27

申请人： LG Chem, Ltd.

发明人： HWANG, Daehyeon ,  SON, Young Wook ,  JEON, Byoungkue ,  HONG, Moo Ho

IPC分类号： C08L69/00 ,  C08K5/3475 ,  C08K5/132 ,  C08K5/3492 ,  C08K5/00 ,  C08K3/013 ,  G02B1/04 ,  C08G64/04 ,  C08G64/16

摘要： Provided are a polycarbonate resin composition having excellent transparency and color stability, and low ultraviolet transmittance, and an optical molded article composed thereof.

公开(公告)号：EP4286457A1

公开(公告)日：2023-12-06

申请号：EP22856032.2

申请日：2022-07-13

申请人： LG Chem, Ltd.

发明人： PARK, Chee Sung ,  HWANG, Daehyeon ,  PARK, Minsung ,  JEON, Kwang Seoung

IPC分类号： C08J5/04 ,  C08J5/06 ,  C08L101/00 ,  C08L21/00 ,  C08L23/08 ,  C08L23/16 ,  C08L9/02 ,  C08L9/06 ,  C08L1/02 ,  C08K3/013

摘要： The present disclosure relates to a polymer composite and a molded article containing the same. According to the present disclosure, there is provided a polymer composite capable of exhibiting excellent mechanical properties and high lightness while being environmentally friendly by containing cellulose fibers as a reinforcing material.

公开(公告)号：EP3805315A1

公开(公告)日：2021-04-14

申请号：EP19882755.2

申请日：2019-11-06

申请人： LG CHEM, LTD.

发明人： BAHN, Hyong Min ,  KO, Un ,  BAE, Jungmoon ,  HWANG, Daehyeon ,  HONG, Mooho ,  YUM, Sugil

IPC分类号： C08L69/00 ,  C08K5/42 ,  C08K5/1515 ,  C08K5/5415 ,  C08G64/16 ,  C08L83/04 ,  C08G64/06 ,  C08K5/132 ,  C08K5/105 ,  C08K5/3475

摘要： Provided are a polycarbonate resin composition and a molded article including the same. More particularly, provided are a polycarbonate resin composition exhibiting excellent processability and excellent flame retardancy, weather resistance, and transparency, and a molded article produced therefrom.

公开(公告)号：EP3904420A1

公开(公告)日：2021-11-03

申请号：EP20861072.5

申请日：2020-09-03

申请人： LG Chem, Ltd.

发明人： LEE, Dayoung ,  LEE, Ki Jae ,  HONG, Mooho ,  HWANG, Young Young ,  SON, Youngwook ,  HWANG, Daehyeon

IPC分类号： C08G64/30 ,  C07D307/68 ,  C08G64/08 ,  C08L69/00

摘要： Provided are a diol compound which may be used to prepare a polycarbonate having excellent weather resistance, hardness, heat resistance, transparency, impact resistance, etc. while having excellent mechanical properties, a polycarbonate prepared by using the same, and a preparation method thereof.

公开(公告)号：EP3628699A1

公开(公告)日：2020-04-01

申请号：EP19751867.3

申请日：2019-01-31

申请人： LG CHEM, LTD.

发明人： JEON, Byoungkue ,  SON, Youngwook ,  HWANG, Daehyeon ,  HONG, Mooho

IPC分类号： C08G64/14 ,  C08G64/22

摘要： A copolycarbonate having excellent weather resistance, wherein the copolycarbonate is introduced with a specific structure, a method of preparing the same, and a molded article including the same are provided.

公开(公告)号：EP4397714A1

公开(公告)日：2024-07-10

申请号：EP23820127.1

申请日：2023-06-09

申请人： LG Chem, Ltd.

发明人： PARK, Hyunwoo ,  SHIM, Hong Shik ,  JEON, Kwang Seoung ,  HWANG, Daehyeon ,  PARK, Minsung ,  JE, Hwaheon ,  YUN, Haesung

IPC分类号： C08L67/04 ,  C08L67/02 ,  C08L3/02 ,  C08J5/18

CPC分类号： C08L3/02 ,  C08L67/04 ,  C08L67/02 ,  C08J5/18

摘要： The present invention provides a biodegradable composition and a biodegradable film, each comprising polybutylene adipate terephthalate(PBAT) and polybutylene adipate terephthalate(PBAT) in which maleic acid is ester-bonded to a terminal hydroxy group(-OH).

公开(公告)号：EP4286458A1

公开(公告)日：2023-12-06

申请号：EP22856034.8

申请日：2022-07-13

申请人： Lg Chem, Ltd.

发明人： HWANG, Daehyeon ,  PARK, Chee Sung ,  PARK, Minsung ,  JEON, Kwang Seoung

IPC分类号： C08J5/04 ,  C08J5/06 ,  C08L101/00 ,  C08L21/00 ,  C08L23/08 ,  C08L23/16 ,  C08L9/02 ,  C08L9/06 ,  C08L1/02 ,  C08K3/013

摘要： The present disclosure relates to a polymer composite and a molded article containing the same. According to the present disclosure, there is provided a polymer composite capable of exhibiting excellent mechanical properties while being environmentally friendly by containing cellulose fibers as a reinforcing material.

公开(公告)号：EP3808807A1

公开(公告)日：2021-04-21

申请号：EP19852112.2

申请日：2019-08-19

申请人： LG CHEM, LTD.

发明人： JEON, Byoungkue ,  YANG, Young In ,  HWANG, Daehyeon ,  HONG, Mooho ,  LEE, Ki Jae ,  SON, Youngwook

IPC分类号： C08K5/20 ,  C08L69/00 ,  C08K5/00 ,  C08G64/16 ,  G02B1/04

摘要： The present invention relates to a polycarbonate resin composition exhibiting excellent heat stability and optical properties, and an optical molded article comprising the same. The polycarbonate resin composition comprises polycarbonate resin; and [[4-(dimethylamino)phenyl]methylene] propanedioic acid dimethyl ester as a hindered amine UV absorber that selectively absorbs UVA having a wavelength of 420nm or less.

公开(公告)号：EP3702409A1

公开(公告)日：2020-09-02

申请号：EP19802975.3

申请日：2019-04-18

申请人： LG CHEM, LTD.

发明人： JEON, Byoungkue ,  SON, Youngwook ,  HWANG, Daehyeon ,  HONG, Mooho

IPC分类号： C08L69/00 ,  C08K5/101 ,  C08K5/17 ,  C08K5/00 ,  G02B1/04

摘要： The present invention relates to a polycarbonate resin composition having excellent thermal stability and optical properties by introducing a specific additive and a combination of two kinds of dyes, and an optical molded product including the same.