Patent ID: 6365693
Filing Date: 2002-04-02
Classification: C07C,C08F

Abstract:
A copolymer comprising:a) units derived from a fluoroalkanesulfonyl azide compound selected from the group consisting of those of the formula i) CF2&boxH;CFâ€”(O)pâ€”Rfâ€”(CH2)nâ€”S(O)qN3 wherein p=0 or 1; n=0-4; q=1 or 2; and Rf is a C1-C16 perfluoroalkyl or perfluoroalkoxy group, and those of formula ii) CX1X2&boxH;CXâ€”(O)pâ€”Rfâ€”(CH2)nâ€”S(O)qN3 wherein X, X1, X2 are independently H or F, with the proviso that X, X1, and X2 can not all be F; p=0 or 1; n=0-4; q=1 or 2; and Rf is a perfluoroalkyl or perfluoroalkoxy group; and b) units derived from at least one other fluorinated monomer.