POLYBENZIMIDAZOLE, PRECURSOR POLYAMIDE THEREOF, AND METHOD FOR PRODUCING SAME
申请人:DAIKIN INDUSTRIES, LTD.
公开号:US20200291181A1
公开(公告)日:2020-09-17
A fluorine-containing polybenzimidazole containing a repeating unit represented by the following formula (1):
wherein R
f
is —SO
2
—, —O—, —CO—, an alkylene group optionally containing a substituent, or a group represented by the following:
wherein two Xs are each individually a hydrogen atom or a monovalent organic group; and R
1
is a divalent organic group. Also disclosed is a polybenzimidazole precursor polyamide, a polybenzimidazole production method, film, flexible wiring board, printed circuit board, and polymer electrolyte membrane.
TRIAZINE RING-CONTAINING POLYMER, AND THERMOPLASTIC ARTICLE AND OPTICAL PART INCLUDING SAME
申请人:SAMSUNG ELECTRONICS CO., LTD.
公开号:US20200362112A1
公开(公告)日:2020-11-19
A triazine ring-containing polymer including a structural unit represented by General Formula 1:
*-[
A
-
B
-]-* General Formula 1
wherein, in General Formula 1, A is represented by General Formula 2, B is represented by General Formula 3, and * indicates a point linked to another group or structural unit:
wherein, in General Formula 2 and General Formula 3, L, R
1
to R
6
, m1, n1, and * are the same as defined in the detailed description.