| abstract |
Described herein is a peroxide curable, highly fluorinated elastomer derived from n(a) at least 0.01% and at most 2% by weight of a fluorinated di-iodo ether compound relative to the total weight of monomers, wherein the fluorinated di-iodo ether compound is I-CF 2 -CF 2 -O-CF 2 -CF 2 -I; I-CF 2 -CF 2 -O-(CF 2 ) b -I wherein b is an integer from 3 - 10; I-(CF 2 ) c -O-(CF 2 ) b -I wherein c is an integer from 3 - 10 and b is an integer from 3 - 10; ICF 2 -CF 2 -O-CF 2 -O-CF 2 -CF 2 -I; ICF 2 -CF 2 -O-CF 2 -(CF 2 ) b -O-CF 2 -CF 2 I wherein b is an integer from 1 - 5; ICF 2 -CF 2 -[O-CF 2 -(CF 2 ) b ] z -O-CF 2 -CF 2 I wherein b is an integer from 1 - 5, z is an integer from 1 - 4; I-CF 2 -CH 2 -O-CF 2 -CF 2 -CF 2 I;I-CF 2 -CH 2 -CF 2 -O-CF 2 -CF 2 -CF 2 I; I-CF 2 -CHF-CF 2 -O-CF 2 -CF 2 -CF 2 I; ICF 2 -CF 2 -O-CF 2 -CFI-CF 3 ; and I-CF 2 -(CF 2 ) a -O-(CF 2 ) b -O-CF 2 -CF(CF 3 )-I wherein a is an integer from 1-5 and b is an integer from 1-5; and n(b) a fluorinated monomer wherein the fluorinated monomer is selected from at least one of vinylidene fluoride, tetrafluoroethylene, hexafluoropropylene, fluorinated allyl ethers, fluorinated vinyl ethers, and combinations thereof. |