US 12,269,949 B2
Polyimide compound and molded article comprising the polyimide compound
Toshiyuki Goshima, Okayama (JP); and Win Maw Soe, Okayama (JP)
Assigned to WINGO TECHNOLOGY CO., LTD., Okayama (JP)
Appl. No. 17/427,670
Filed by WINGO TECHNOLOGY CO., LTD., Okayama (JP)
PCT Filed Feb. 1, 2019, PCT No. PCT/JP2019/003595
§ 371(c)(1), (2) Date Aug. 2, 2021,
PCT Pub. No. WO2020/157953, PCT Pub. Date Aug. 6, 2020.
Prior Publication US 2022/0162445 A1, May 26, 2022
Int. Cl. C08L 79/08 (2006.01); C08G 73/10 (2006.01)
CPC C08L 79/08 (2013.01) [C08G 73/1032 (2013.01); C08G 73/1039 (2013.01); C08G 73/1042 (2013.01); C08G 73/1046 (2013.01); C08G 73/1078 (2013.01); C08L 2201/08 (2013.01); C08L 2201/10 (2013.01); C08L 2203/20 (2013.01); C08L 2203/30 (2013.01)] 14 Claims
 
1. A polyimide compound that is a reaction product of a diamine compound represented by the following general formula (1):

OG Complex Work Unit Chemistry
wherein
R1 to R8 are each independently selected from the group consisting of hydrogen, fluorine, substituted or unsubstituted alkyl groups and substituted or unsubstituted aromatic groups, and at least one of R1 to R8 is a substituted or unsubstituted aromatic group,
and an alicyclic tetracarboxylic acid dianhydride represented by the following general formula (2):

OG Complex Work Unit Chemistry
wherein
A represents an alicyclic structure selected from the group consisting of:

OG Complex Work Unit Chemistry