Invention Grant
- Patent Title: Polyimide-based block copolymer and polyimide-based film comprising the same
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Application No.: US16332389Application Date: 2017-12-13
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Publication No.: US11377556B2Publication Date: 2022-07-05
- Inventor: Duk Hun Jang , Byung Guk Kim , Young Sik Eom , Sung Yeol Choi , Sang Gon Kim , Jin Sook Ryu , Sun Ok Oh , Hyung Sam Choi
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Rothwell, Figg, Ernst & Manbeck, P.C.
- Priority: KR10-2016-0171844 20161215
- International Application: PCT/KR2017/014644 WO 20171213
- International Announcement: WO2018/110973 WO 20180621
- Main IPC: C08G73/10
- IPC: C08G73/10 ; C08L79/08
Abstract:
The present disclosure relates to a polyimide-based block copolymer and a polyimide-based block copolymer film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having low haze and yellow index value while exhibiting excellent transparency.
Public/Granted literature
- US20210277235A1 POLYIMIDE-BASED BLOCK COPOLYMER AND POLYIMIDE-BASED FILM COMPRISING THE SAME Public/Granted day:2021-09-09
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