公开(公告)号：US20240228792A1

公开(公告)日：2024-07-11

申请号：US18561280

申请日：2022-05-17

申请人： PI ADVANCED MATERIALS CO., LTD.

发明人： Gyeong Hyeon RO ,  Ik Sang LEE

IPC分类号： C09D5/02 ,  C09D7/40 ,  C09D7/48

CPC分类号： C09D5/028 ,  C09D7/48 ,  C09D7/66

摘要： The present application provides; a varnish, which is a polyimide precursor that is imidized by thermal curing, and implements the insulation, adhesion, heat resistance, mechanical strength, and light resistance of polyimide; a film including same; and a vehicle device coated with the film.

公开(公告)号：US20240318034A1

公开(公告)日：2024-09-26

申请号：US18580568

申请日：2022-07-20

申请人： PI ADVANCED MATERIALS CO., LTD.

发明人： Gyeong Hyeon RO ,  Gyeong Min MOON ,  Ik Sang LEE

IPC分类号： C09D179/08 ,  C08G73/10 ,  C08K5/544 ,  C08L79/08

CPC分类号： C09D179/08 ,  C08G73/1017 ,  C08G73/1042 ,  C08G73/1071 ,  C08L79/08 ,  C08K5/544 ,  C08L2203/202

摘要： The present invention relates to a polyamic acid composition for coating a conductor, and provides a polyamic acid composition for coating a conductor that prevents dielectric breakdown and partial discharge of a cured product while improving adhesion between a conductor and a coating material and flexibility of the coating material.