JPS5751716A - Production of polyamide-imide resin soluble in cresol solvent - Google Patents
Production of polyamide-imide resin soluble in cresol solventInfo
- Publication number
- JPS5751716A JPS5751716A JP55127402A JP12740280A JPS5751716A JP S5751716 A JPS5751716 A JP S5751716A JP 55127402 A JP55127402 A JP 55127402A JP 12740280 A JP12740280 A JP 12740280A JP S5751716 A JPS5751716 A JP S5751716A
- Authority
- JP
- Japan
- Prior art keywords
- lactam
- solvent
- acid
- total
- carboxyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
PURPOSE: To obtain titled resin soluble in titled solvent and excellent in heat resistance, Freon resistance, etc., by reacting a mixture of an aromatic diisocyanate, a lactam, an acid anhydride-group-containing polycarboxylic acid and a specified branching component in a cresol solvent.
CONSTITUTION: Titled resin is obtained by reacting a mixture of an aromatic diisocyanate, e.g., 4,4'-diphenylmehane diisocyanate, a lactam, e.g., ε-caprolactam, an acid anhydride-group-containing polycarboxylic acid, e.g., trimellitic anhydride, and a compound of the formula, wherein X is carboxyl, Y is carboxyl, OH or NH2, R is an aromatic, aliphatic, alicyclic or heterocyclic residue and n is an integer ≥1, e.g., teimesic acid, in the presence of a cresol solvent. Said mixture contains the lactam in an amount corresponding to 20W90eq%, based on the total isocyanates and the compound of the formula in an amount corresponding to 1W20eq% based on total carboxyl groups and total acid anhydride groups.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55127402A JPS5751716A (en) | 1980-09-12 | 1980-09-12 | Production of polyamide-imide resin soluble in cresol solvent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55127402A JPS5751716A (en) | 1980-09-12 | 1980-09-12 | Production of polyamide-imide resin soluble in cresol solvent |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5751716A true JPS5751716A (en) | 1982-03-26 |
Family
ID=14959095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55127402A Pending JPS5751716A (en) | 1980-09-12 | 1980-09-12 | Production of polyamide-imide resin soluble in cresol solvent |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5751716A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016151022A (en) * | 2015-02-19 | 2016-08-22 | エア・ウォーター株式会社 | Polyamide-imide resin and method for producing polyamide-imide resin, and thermosetting resin composition and cured product of thermosetting resin composition |
-
1980
- 1980-09-12 JP JP55127402A patent/JPS5751716A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016151022A (en) * | 2015-02-19 | 2016-08-22 | エア・ウォーター株式会社 | Polyamide-imide resin and method for producing polyamide-imide resin, and thermosetting resin composition and cured product of thermosetting resin composition |
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