Title:
ウレタン変性ポリイミド系樹脂溶液
Document Type and Number:
Japanese Patent JP6756152
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a novel urethane-modified polyimide resin solution which uses no polar solvent having a high boiling point and high hygroscopicity at all.SOLUTION: The urethane-modified polyimide resin solution contains: a urethane-modified polyimide resin (A) which contains, based on 100 mol% of all constituent components of the urethane-modified polyimide resin (A), 30-90 mol% of an amide-imide unit (i) comprising a trimellitic acid derivative and an aromatic diisocyanate component and 10-70 mol% of a urethane unit (ii) comprising a compound of a specific structure and an aromatic diisocyanate component; and one or more organic solvents (B) selected from the group consisting of cyclohexanone and cyclopentanone.SELECTED DRAWING: None
Inventors:
Takahiro Hattori
Tadashi Inukai
Tadashi Inukai
Application Number:
JP2016102254A
Publication Date:
September 16, 2020
Filing Date:
May 23, 2016
Export Citation:
Assignee:
Toyobo Co., Ltd.
International Classes:
C08G73/14; C08G18/32; C08G18/76; C08L79/08; C09D11/102; C09D179/08
Domestic Patent References:
| JP201146762A |