Process for improving the properties of polytetrafluoroethylene
US5122592A · kind A · utility
5Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1989 |
| Grant date | Jun 16, 1992 |
| Priority date | — |
| Expiry date | Sep 1, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/18
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a process of preparing polytetrafluoroethylene comprising one or more fractions of polyethylene having a melting point of greater than about 340.degree. C. by subjecting a polytetrafluoroethylene to a shear at elevated temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.