Fluorinated sulfone melt additives for thermoplastic polymers
US5798402A · kind A · utility
22Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1995 |
| Grant date | Aug 25, 1998 |
| Priority date | — |
| Expiry date | Dec 21, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/41
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions and processes for imparting repellency to low surface tension fluids in thermoplastic polymers, said compositions containing compounds of formulae R.sub.f SO.sub.2 (CH.sub.2).sub.n C(O).sub.2 OR, RSO.sub.2 (CH.sub.2).sub.n C(O)OR.sub.f and R.sub.f SO.sub.2 R wherein R.sub.f is F(CF.sub.2).sub.x --(CH.sub.2).sub.m wherein x is 4 to 20 and m is 2 to 6, R is a saturated aliphatic hydrocarbon with an average carbon chain length of 12 to 66 carbons; and n is 1 to 4 are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.