Shaped articles containing copolymers of polybenzazoles
US5217809A · kind A · utility
3Cited by
9References
68Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1990 |
| Grant date | Jun 8, 1993 |
| Priority date | — |
| Expiry date | Aug 6, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Granular compositions which comprise a block copolymer containing blocks of rigid rod polybenzazole polymer and blocks of thermoplastic polybenzazole polymer can be compression molded to provide a molded article having physical properties superior to molded articles made from the thermoplastic polymer alone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.