Process for preparing extrudable polyimide granules
US4302413A · kind A · utility
20Cited by
24References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1978 |
| Grant date | Nov 24, 1981 |
| Priority date | — |
| Expiry date | Nov 16, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2379/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for the preparation of extrudable polyimide granules comprising heating and compacting a powder containing polyimide particles to form a partially densified porous mass and crushing the mass to form granules which may be ram extruded to give uniform articles of high strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.