Composition useful for making electret fibers
US5919847A · kind A · utility
85Cited by
33References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1997 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | Dec 2, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2418
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composition comprising a blend of a thermoplastic resin and at least one compound or oligomer which is ##STR1## wherein R.sub.f is a perfluorinated moiety which may contain one or more catenary ether oxygen atoms, Q is a linking group selected from alkylene groups having 1 or 2 carbon atoms, sulfonamido groups or combinations thereof, R is an alkyl group, R.sup.1 is a perfluoroalkyl group, R.sup.2 is an alkyl group which may be straight chain or branched and n is a number of from 2 to 40.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.