JPS5277141A - Preparation of electrical insulating varnish - Google Patents
Preparation of electrical insulating varnishInfo
- Publication number
- JPS5277141A JPS5277141A JP15563075A JP15563075A JPS5277141A JP S5277141 A JPS5277141 A JP S5277141A JP 15563075 A JP15563075 A JP 15563075A JP 15563075 A JP15563075 A JP 15563075A JP S5277141 A JPS5277141 A JP S5277141A
- Authority
- JP
- Japan
- Prior art keywords
- preparation
- insulating varnish
- electrical insulating
- tetracarboxylic acid
- diamine
- 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.)
- Granted
Links
- 239000002966 varnish Substances 0.000 title abstract 2
- GGAUUQHSCNMCAU-ZXZARUISSA-N (2s,3r)-butane-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C[C@H](C(O)=O)[C@H](C(O)=O)CC(O)=O GGAUUQHSCNMCAU-ZXZARUISSA-N 0.000 abstract 1
- 239000004642 Polyimide Substances 0.000 abstract 1
- 150000004984 aromatic diamines Chemical class 0.000 abstract 1
- -1 aromatic tetracarboxylic acid Chemical class 0.000 abstract 1
- 150000004985 diamines Chemical class 0.000 abstract 1
- 229920001721 polyimide Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
Abstract
PURPOSE: Process for the preparation of polyimide insulating varnish of high resin content which comprises reacting an excess amount of diamine containing aromatic diamine with butane tetracarboxylic acid, and reating the resulted product with aromatic tetracarboxylic acid.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15563075A JPS5277141A (en) | 1975-12-23 | 1975-12-23 | Preparation of electrical insulating varnish |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15563075A JPS5277141A (en) | 1975-12-23 | 1975-12-23 | Preparation of electrical insulating varnish |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5277141A true JPS5277141A (en) | 1977-06-29 |
JPS5759878B2 JPS5759878B2 (en) | 1982-12-16 |
Family
ID=15610180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15563075A Granted JPS5277141A (en) | 1975-12-23 | 1975-12-23 | Preparation of electrical insulating varnish |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5277141A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983003609A1 (en) * | 1982-04-09 | 1983-10-27 | Essex Group | Dielectric films from water soluble polyimides |
US11696786B2 (en) | 2011-12-23 | 2023-07-11 | Pioneer Surgical Technology, Inc. | Instrument for inserting a spinal device |
-
1975
- 1975-12-23 JP JP15563075A patent/JPS5277141A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983003609A1 (en) * | 1982-04-09 | 1983-10-27 | Essex Group | Dielectric films from water soluble polyimides |
US11696786B2 (en) | 2011-12-23 | 2023-07-11 | Pioneer Surgical Technology, Inc. | Instrument for inserting a spinal device |
Also Published As
Publication number | Publication date |
---|---|
JPS5759878B2 (en) | 1982-12-16 |
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