Claims
- 1. A compound having the formula
- CF.sub.2 .dbd.CF--R.sub.f --(CH.sub.2).sub.n --OP(O).sub.p --.PHI..sub.2
- wherein n is 1-3, p is 0 or 1, R.sub.f is perfluoroalkyl or perfluoroalkoxy having 1-20 carbon atoms, .PHI. is bromine, chlorine, or OM, and M is H, NH.sub.4 or alkali metal.
- 2. The compound of claim 1, wherein n=1.
- 3. The compound of claim 2, wherein R.sub.f is O--(CF.sub.2).sub.m and m is 2-4.
- 4. The compound of claim 2, wherein R.sub.f is --[O--CF.sub.2 CF(CF.sub.3)].sub.k --O--CF.sub.2 CF.sub.2 -- and k is 1-5.
- 5. The compound of claim 4, wherein k is 1.
- 6. A fluoropolymer, comprising units derived from the compound of claim 1.
- 7. The fluoropolymer of claim 6, further comprising units derived from at least one other fluorinated monomer.
- 8. The fluoropolymer of claim 7, wherein said other fluorinated monomer is fluoroolefin or fluorinated vinyl ether.
- 9. The fluoropolymer of claim 7, further comprising units derived from monomers containing no fluorine.
- 10. The fluoropolymer of claim 7, wherein said units derived from the compound of claim 1 comprise from 0.02 to 10 mol % of said fluoropolymer, based on total monomer units.
- 11. The fluoropolymer of claim 6 as an aqueous dispersion.
- 12. A fluoropolymer blend composition, comprising fluoropolymer containing units derived from the compound of claim 1 and other fluoropolymer that is free of units derived from the compound of claim 1.
RELATED APPLICATION
This application claims the benefit of priority of Provisional Application Ser. No. 60/026,023 filed Sep. 13, 1996.
US Referenced Citations (7)