C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 214/26 (2006.01) C08F 214/18 (2006.01) C08F 214/22 (2006.01) C08F 214/28 (2006.01) C08F 216/14 (2006.01)
Patent
CA 2412397
A fluoropolymer composition is provided. The polymer comprises interpolymerized units derived from (i) tetrafluoroethylene, (ii) vinylidene fluoride, (iii) at least one ethylenically unsaturated monomer of the formula CF2=CFRf where Rf is a perfluoroalkyl or a perfluoroalkoxy of 1 to 8 carbon atoms, and (iv) a perfluorovinyl ether of the formula CF2=CF-(OCF2CF(Rf))aOR'f where Rf is as described in (iii), R'f is a perfluoroaliphatic, preferably a perfluoroalkyl or a perfluoroalkoxy, of 1 to 8, preferably 1 to 3, carbon atoms, and a has a value of 0 to 3.
L'invention concerne une composition fluoropolymère. Le polymère comprend des unités interpolymérisées issues de (i) tetrafluoroéthylène, (ii) de vinylidene fluoride, (iii) et au moins un monomère non-saturé en éthylène représenté par la formule CF¿2?=CFR¿f ?dans laquelle R¿f? représente un perfluoroalkyle ou un perfluoroalcoxy de 1 à 8 atomes de carbone, et (iv) un perfluorovinyl éther représenté par la formule CF¿2?=CF-(OCF¿2?CF(R¿f?))¿a?OR'¿f? dans laquelle R¿f? est tel que défini dans (iii), R'¿f? représente un perfluoroaliphatique, de préférence un perfluoroalkyle ou un perfluoroalcoxy, de 1 à 8, de préférence de 1 à 3, atomes de carbone, et présente une valeur comprise entre 0 et 3.
Chen Lisa P.
Duchesne Denis
Hintzer Klaus
Kaspar Harald
Lohr Gernot
Dyneon Llc
Smart & Biggar
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