JPS6454019A - Production of heat-resistant polymer - Google Patents
Production of heat-resistant polymerInfo
- Publication number
- JPS6454019A JPS6454019A JP63117097A JP11709788A JPS6454019A JP S6454019 A JPS6454019 A JP S6454019A JP 63117097 A JP63117097 A JP 63117097A JP 11709788 A JP11709788 A JP 11709788A JP S6454019 A JPS6454019 A JP S6454019A
- Authority
- JP
- Japan
- Prior art keywords
- organic
- anhydride
- alkali metal
- metal compound
- component
- 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)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
PURPOSE:To obtain the title polymer excellent in heat resistance, radiation resistance, electrical properties, flame retardancy, etc., by reacting an organic diissocyanate with an organic polycarboxylic acid (anhydride) in the presence of an alkali metal compound in a specified solvent. CONSTITUTION:An N,N-dimethylalkyleneurea (e.g., N,N'-dimethylethyleneurea) which has been optionally treated with a dehydrating agent such as molecular sieve or alumina is stored in an atmosphere of an inert gas (e.g., N2) of a purity >=99.9% and a dew point <=-65 deg.C to obtain a solvent (D). An organic diisocyanate (A) (e.g., tolylene 2,4-diisocyanate) is reacted with 0.7-1.30mol., per mol. of component A, of a polycarboxylic acid (anhydride) (B) (e.g., terephthalic acid) in the presence of an alkali metal compound (C) (e.g., KF) in component D at room temperature to 250 deg.C for 1-20hr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63117097A JPS6454019A (en) | 1987-05-18 | 1988-05-16 | Production of heat-resistant polymer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11907287 | 1987-05-18 | ||
| JP63117097A JPS6454019A (en) | 1987-05-18 | 1988-05-16 | Production of heat-resistant polymer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6454019A true JPS6454019A (en) | 1989-03-01 |
Family
ID=26455275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63117097A Pending JPS6454019A (en) | 1987-05-18 | 1988-05-16 | Production of heat-resistant polymer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6454019A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2694012A1 (en) * | 1992-07-23 | 1994-01-28 | Kermel Snc | Polyimide solutions and their production process. |
| JP2014031420A (en) * | 2012-08-02 | 2014-02-20 | Hitachi Chemical Co Ltd | Synthesizing method for polyamide-imide resin, polyamide-imide resin, and polyamide-imide resin composition |
-
1988
- 1988-05-16 JP JP63117097A patent/JPS6454019A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2694012A1 (en) * | 1992-07-23 | 1994-01-28 | Kermel Snc | Polyimide solutions and their production process. |
| US5596073A (en) * | 1992-07-23 | 1997-01-21 | S.N.C. Kermel | Polyimide solutions and method of obtaining them |
| JP2014031420A (en) * | 2012-08-02 | 2014-02-20 | Hitachi Chemical Co Ltd | Synthesizing method for polyamide-imide resin, polyamide-imide resin, and polyamide-imide resin composition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4847349A (en) | Polyimide and high-temperature adhesive of polyimide from meta substituted phenoxy diamines | |
| US4440915A (en) | Stabilized polyphenylene sulfide and method for producing same | |
| GB2188936A (en) | Aromatic polyamides and polybenzoxazoles having diphenylhexafluoropropane units | |
| JPH0768347B2 (en) | Organosilicon-terminated polyimide precursor and method for producing polyimide | |
| WO2002092654A2 (en) | Space environmentally durable polyimides and copolyimides | |
| JPH0134455B2 (en) | ||
| JPS6454019A (en) | Production of heat-resistant polymer | |
| DK79489D0 (en) | SOLUTIONS OF POLYAMIDE IMIDES AND PROCEDURES FOR THEIR PREPARATION | |
| KR100228030B1 (en) | Stable polyimide precursor and its preparation method | |
| US5120814A (en) | Method of producing new flame-retardant thermostable homopolyimides, these homopolyimides, a moulded article obtained therefrom and a fibre prouced from these homopolyimides | |
| JPS6443519A (en) | Production of heat-resistant polymer | |
| EP0462283A4 (en) | Process for producing dipentaerythritol | |
| EP0023014A1 (en) | Process for preparing hexafluoropropene oxide | |
| US4268457A (en) | Process for the preparation of paraphenoxybenzoylchloride | |
| EP0218314B1 (en) | The preparation of substituted 3'-bromodiphenylethers | |
| Schonherr | Thermogravimetrical Investigation of the Synthesis and Annealing of YBa sub 2 Cu sub 3 O sub n | |
| JPH05320100A (en) | Aromatic dinitro compound, aromatic diamino compound and its production | |
| JPH041238A (en) | Polyetherketone copolymer film | |
| SU565045A1 (en) | Method for obtaining polyimides | |
| SU1677044A1 (en) | Copolyamidoimid as a material for temperature sensors | |
| JPS5545809A (en) | Production of alumina fiber | |
| JPS5538347A (en) | Preparation of indazoleacetic acids | |
| JPH0347834A (en) | Polybiphenylene ether ketone copolymer film | |
| JPH05279495A (en) | Transparent polyimide film | |
| St Clair et al. | Polyimides Containing Pentafluorosulfanylbenzene |