PTFE-based polymers
US6780363B2 · kind B2 · utility
6Cited by
7References
8Claims
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Key dates
| Filing date | Mar 15, 2002 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | Jun 6, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/902
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions containing core-shell particles having a core polytetrafluoroethylene-based polymers (PTFE) and shell styrene-based polymers (PS), wherein the particles contain an amount by weight of PTFE from 3 to 50%, preferably from 5 to 30% by weight, wherein the core PTFE particles have an average diameter from 5 to 100 nm, preferably from 10 to 70 nm, the core-shell particles having an average diameter from 10 to 170 nm, preferably from 20 to 100 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.