Polyimide compositions with improved wear resistance and friction at high PV (pressure .times. velocity) conditions
US5789523A · kind A · utility
13Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Jul 9, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyimide compositions can be substantially improved by incorporating in the composition an inorganic, low hardness, thermally stable, sheet silicate, such as muscovite mica, talc, and kaolinite, which results in improved wear resistance and reduced coefficient of friction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.