Shaped articles comprising fluorinated block copolyesters
US8697816B2 · kind B2 · utility
1Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2011 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | May 21, 2032 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F6/84
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed are shaped articles fabricated from polymer blends comprising a fluorinated block copolyester and a non-fluorinated polyester wherein the fluorinated block copolyester comprises blocks of fluoroether modified aromatic polyester and blocks of unmodified polyester. Suitable block copolyesters have a blockiness index, B, in the range of 0.25 to 1.0. Shaped articles that can be made from the copolyesters include films, fibers, and molded parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.