Polyimide foam and process for the preparation of same
US4562112A · kind A · utility
24Cited by
1References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 1985 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | Jan 29, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249989
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyimide and a process for its preparation wherein the polyimide is prepared from reaction of an organic tetracarboxylic acid or derivative thereof with a mixture of an aromatic diamine and an amine-terminated butadiene-nitrile copolymer. The polyimides of the invention are particularly useful in the preparation of flexible foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.