-
公开(公告)号:US11572439B2
公开(公告)日:2023-02-07
申请号:US17276678
申请日:2020-07-29
申请人: LG CHEM, LTD.
发明人: Young Young Hwang , Youngwook Son , Daehyeon Hwang , Mooho Hong
IPC分类号: C08G64/18 , C08G77/448 , C08G64/08 , C08L69/00 , C08G77/445
摘要: Provided are a copolycarbonate and a polycarbonate composition comprising the same. The copolycarbonate comprises repeat units of the following Chemical Formula 1 and repeat units of the following Chemical Formula 2:
Chemical Formula 1 Chemical Formula 2-
公开(公告)号:US11155694B2
公开(公告)日:2021-10-26
申请号:US16630790
申请日:2018-09-27
申请人: LG CHEM, LTD.
发明人: Daehyeon Hwang , Young Wook Son , Byoungkue Jeon , Moo Ho Hong
IPC分类号: C08K5/3492 , C08L69/00 , C08K5/132 , C08K5/3475
摘要: Provided are a polycarbonate resin composition comprising a polycarbonate resin, a black colorant, a yellow colorant, and at least one ultraviolet absorber selected from the group consisting of a benzotriazole-based compound, a benzophenone-based compound, and a triazine-based compound, and an optical molded article composed thereof.
-
公开(公告)号:US11591475B2
公开(公告)日:2023-02-28
申请号:US16756090
申请日:2019-04-18
申请人: LG CHEM, LTD.
发明人: Byoungkue Jeon , Youngwook Son , Daehyeon Hwang , Mooho Hong
摘要: Provided are a polycarbonate resin composition comprising a polycarbonate resin, pentaerythritol tetrastearate, a black dye, and a blue dye, and an optical molded product comprising same.
-
公开(公告)号:US11186682B2
公开(公告)日:2021-11-30
申请号:US16632847
申请日:2019-01-31
申请人: LG CHEM, LTD.
发明人: Byoungkue Jeon , Youngwook Son , Daehyeon Hwang , Mooho Hong
摘要: Provided is a copolycarbonate comprising a first repeating unit of Chemical Formula 1, a second repeating unit of Chemical Formula 2, and a terminal capping group of Chemical Formula 3: Also provided are a method of preparing the copolycarbonate and a molded article including the copolycarbonate.
-
-
-