JPS52125599A - Preparation of aromatic polyimide resins - Google Patents
Preparation of aromatic polyimide resinsInfo
- Publication number
- JPS52125599A JPS52125599A JP4275976A JP4275976A JPS52125599A JP S52125599 A JPS52125599 A JP S52125599A JP 4275976 A JP4275976 A JP 4275976A JP 4275976 A JP4275976 A JP 4275976A JP S52125599 A JPS52125599 A JP S52125599A
- Authority
- JP
- Japan
- Prior art keywords
- polyimide resins
- preparation
- aromatic polyimide
- aromatic
- reaction
- 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
- 125000003118 aryl group Chemical group 0.000 title abstract 2
- 229920001721 polyimide Polymers 0.000 title abstract 2
- 239000009719 polyimide resin Substances 0.000 title abstract 2
- -1 aromatic tetracarboxylic acid Chemical class 0.000 abstract 1
- 239000007810 chemical reaction solvent Substances 0.000 abstract 1
- 150000004985 diamines Chemical class 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
Abstract
PURPOSE: To prepare aromatic polyimide resins without using harmful reaction solvents by reacting a low polymer, obtained by the reaction of an aromatic tetracarboxylic acid, etc. with a specific aromatic diisocyanate, with a diamine at such a temperature that imidization may not occur.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4275976A JPS52125599A (en) | 1976-04-15 | 1976-04-15 | Preparation of aromatic polyimide resins |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4275976A JPS52125599A (en) | 1976-04-15 | 1976-04-15 | Preparation of aromatic polyimide resins |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52125599A true JPS52125599A (en) | 1977-10-21 |
Family
ID=12644906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4275976A Pending JPS52125599A (en) | 1976-04-15 | 1976-04-15 | Preparation of aromatic polyimide resins |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52125599A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013010889A (en) * | 2011-06-30 | 2013-01-17 | Jnc Corp | Polyamic acid, and liquid crystal orientating agent, liquid crystal oriented film, and liquid crystal display element using the same |
-
1976
- 1976-04-15 JP JP4275976A patent/JPS52125599A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013010889A (en) * | 2011-06-30 | 2013-01-17 | Jnc Corp | Polyamic acid, and liquid crystal orientating agent, liquid crystal oriented film, and liquid crystal display element using the same |
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