	US 11,655,366 B2
	Transparent polyimide mixture, method for manufacturing the transparent polyimide mixture, and method for manufacturing transparent polyimide film
Kuan-Wei Lee, Taoyuan (TW); Pei-Jung Wu, Taoyuan (TW); Szu-Hsiang Su, Taoyuan (TW); and Shou-Jui Hsiang, Tayuan (TW)
Assigned to Zhen Ding Technology Co., Ltd., Taoyuan (TW)
Filed by Zhen Ding Technology Co., Ltd., Taoyuan (TW)
Filed on Dec. 3, 2020, as Appl. No. 17/110,950.
Claims priority of application No. 202011360805.9 (CN), filed on Nov. 27, 2020.
Prior Publication US 2022/0169851 A1, Jun. 2, 2022
Int. Cl. C08L 79/08 (2006.01); C08G 69/32 (2006.01); C08G 73/10 (2006.01); C08K 5/20 (2006.01); C08K 5/101 (2006.01); C08K 5/3415 (2006.01)

CPC C08L 79/08 (2013.01) [C08G 69/32 (2013.01); C08G 73/1028 (2013.01); C08K 5/101 (2013.01); C08K 5/20 (2013.01); C08K 5/3415 (2013.01); C08L 2201/08 (2013.01); C08L 2201/10 (2013.01); C08L 2203/16 (2013.01); C08L 2203/20 (2013.01)]

15 Claims

1. A transparent polyimide mixture, comprising:

a polyimide;

an additive; and

a solvent;

wherein a molecular chain of the transparent polyimide comprises an active hydrogen atom, the additive comprises a carbodiimide group, an equivalent ratio of the active hydrogen atom and the carbodiimide group is in a range of 1:0.8 to 1:1.2, the transparent polyimide is polymerized by a diamine and a dianhydride, the diamine comprises the active hydrogen atom, the diamine comprises at least one of 3,3′-diamino-4,4′-dihydroxydiphenylsulfone, 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane, and 3,5-diaminobenzoic acid.