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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:US11499010B2
公开(公告)日:2022-11-15
申请号:US15734954
申请日:2019-08-09
申请人: LG CHEM, LTD.
发明人: Youngwook Son , Young In Yang , Ki Jae Lee , Mooho Hong , Byoungkue Jeon , Young Young Hwang
摘要: Provided is a polycarbonate of Chemical Formula 1: wherein in Chemical Formula 1: Ar is C6-60 arylene unsubstituted or substituted with C1-10 alkyl; and n and m are each independently an integer from 1 to 50, provided that n+m is 2 or more, and a preparation method thereof.
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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.
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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.
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