Process for preparing a polyimide molded form
US5112557A · kind A · utility
0Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1990 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Aug 31, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2079/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for the preparation of a polyimide molded form comprising the steps of swelling a primary-molded form consisting essentially of polyimide having recurring units of the formula (I) ##STR1## by using an aprotic polar solvent and subsequently stretching the swelled form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.