JPS6416835A - Production of polyamic acid copolymer and polyimide copolymer therefrom - Google Patents
Production of polyamic acid copolymer and polyimide copolymer therefromInfo
- Publication number
- JPS6416835A JPS6416835A JP17412587A JP17412587A JPS6416835A JP S6416835 A JPS6416835 A JP S6416835A JP 17412587 A JP17412587 A JP 17412587A JP 17412587 A JP17412587 A JP 17412587A JP S6416835 A JPS6416835 A JP S6416835A
- Authority
- JP
- Japan
- Prior art keywords
- diamine component
- copolymer
- aromatic tetracarboxylic
- component
- prepolymer
- 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
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
PURPOSE:To obtain the titled copolymer for use, e.g. as a raw material for polyimide polymer which is outstanding in strength, processability and heat resistance, by reaction between diaminodiphenyl ether and/or nuclearly substituted benzidine and aromatic tetracarboxylic anhydride to prepare a prepolymer followed by polymerization. CONSTITUTION:First, a reaction is carried out between (A) a diamine component containing 10-90mol.%, based on the whole diamine component, of an aromatic diamine component, comprising, as the essential component, diaminodiphenyl ether and/or nuclearly substituted benzidine and (B) 40-99mol.%, based on the component A, of an aromatic tetracarboxylic dianhydride to prepare an acid anhydride- or amino group-terminated polyamic acid prepolymer of low molecular weight. Thence, a solution of this prepolymer is further incorporated with 90-10mol.%, based on the whole diamine component, of an aromatic diamine followed by incorporation of additional quantities of the aromatic tetracarboxylic dianhydride so that the total aromatic tetracarboxylic dianhydride be equimolar to the whole diamine component to carry out reaction, thus obtaining the objective copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17412587A JPS6416835A (en) | 1987-07-13 | 1987-07-13 | Production of polyamic acid copolymer and polyimide copolymer therefrom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17412587A JPS6416835A (en) | 1987-07-13 | 1987-07-13 | Production of polyamic acid copolymer and polyimide copolymer therefrom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6416835A true JPS6416835A (en) | 1989-01-20 |
Family
ID=15973092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17412587A Pending JPS6416835A (en) | 1987-07-13 | 1987-07-13 | Production of polyamic acid copolymer and polyimide copolymer therefrom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6416835A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263049A (en) * | 1992-03-19 | 1993-10-12 | Kanegafuchi Chem Ind Co Ltd | Tape for tab and its production |
| JP2007000604A (en) * | 2005-05-27 | 2007-01-11 | Itoki Corp | Reinforcing device for on-desk shelf |
| WO2020137870A1 (en) * | 2018-12-26 | 2020-07-02 | 住友化学株式会社 | Method for producing polyimide resin |
| JP2020105496A (en) * | 2018-12-26 | 2020-07-09 | 住友化学株式会社 | Manufacturing method of polyimide resin |
-
1987
- 1987-07-13 JP JP17412587A patent/JPS6416835A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263049A (en) * | 1992-03-19 | 1993-10-12 | Kanegafuchi Chem Ind Co Ltd | Tape for tab and its production |
| JP2007000604A (en) * | 2005-05-27 | 2007-01-11 | Itoki Corp | Reinforcing device for on-desk shelf |
| WO2020137870A1 (en) * | 2018-12-26 | 2020-07-02 | 住友化学株式会社 | Method for producing polyimide resin |
| JP2020105496A (en) * | 2018-12-26 | 2020-07-09 | 住友化学株式会社 | Manufacturing method of polyimide resin |
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