Aqueous dispersion of small particles of polytetrafluoroethylene
US6156839A · kind A · utility
3Cited by
11References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1999 |
| Grant date | Dec 5, 2000 |
| Priority date | — |
| Expiry date | Mar 16, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/909
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An aqueous microemulsion polymerization procedure is described in which very small colloidal polymer particles are produced from tetrafluoroethylene monomer. The polymerization procedure involves adding a free-radical initiator to a mixture of a microemulsion of at least one liquid saturated organic compound; and tetrafluoroalkyl ethylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.