Process for fabricating oriented polybenzazole films
US5367042A · kind A · utility
17Cited by
19References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1992 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Aug 27, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31504
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Films containing polybenzazole polymer dissolved in a solvent can be mechanically stretched to provide biaxial orientation. The resulting dope film can be coagulated. The polymer film has improved properties in the direction in which stretching occurs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.