公开(公告)号：EP4234608A1

公开(公告)日：2023-08-30

申请号：EP22856135.3

申请日：2022-08-08

申请人： Lg Chem, Ltd. ,  Yonsei University, University-Industry Foundation(UIF).

发明人： SON, Youngwook ,  BAHN, Hyong Min ,  KIM, Byeong-Su ,  KIM, Taehyung ,  YU, Yeji

IPC分类号： C08G64/12 ,  C08G64/16 ,  C08L69/00

摘要： The present disclosure provides a polycarbonate copolymer including a repeating unit represented by the following Chemical Formula 1, and can provide a polycarbonate copolymer having improved heat resistance by including a repeating unit having the following specific structure.

In Chemical Formula 1, R 1 , R 2 , n1 and n2 are as defined in the specification.

公开(公告)号：EP4335889A1

公开(公告)日：2024-03-13

申请号：EP23812836.7

申请日：2023-05-11

申请人： LG Chem, Ltd.

发明人： LEE, Dayoung ,  SON, Youngwook ,  BAHN, Hyong Min ,  YU, Yeji

IPC分类号： C08G64/12 ,  C08G64/16 ,  C08L69/00

摘要： The present disclosure relates to a polycarbonate copolymer, and can provide a polycarbonate copolymer that includes a repeating unit having a specific structure, thereby being improved particularly in heat resistance.