Fluorochemical diesters as repellent polymer melt additives
US7396866B2 · kind B2 · utility
17Cited by
20References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2004 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | May 10, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/435
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A thermoplastic polymer comprising a fluorochemical ester composition of formula I:C4F9SO2N(Q1)(CH2)a—O—C(O)—(CH2)n—C(O)O(CH2)bNQ2SO2C4F9 (I)wherein Q1 and Q2 which may be the same or different are each a hydrogen or an alkyl group of 1 to 4 carbon atoms; a is an integer from 2 to 11; b is an integer from 2 to 11; and n is at least 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.