Fluoroelastomers
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United States of America Patent
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Issued Date -
Nov 29, 2001
app pub date -
Apr 23, 2001
filing date -
Apr 21, 2000
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Abstract
Fluoroelastomers comprising in the polymer chain units deriving from fluorovinyl ethers having the formula: CFX.dbd.CXOCF.sub.2OR (I) wherein R is a C.sub.2-C.sub.6 linear, branched or C.sub.5-C.sub.6 cyclic (per) fluoroalkyl group, or a C.sub.2-C.sub.6 linear, branched (per) fluorooxyalkyl group containing from one to three oxygen atoms; when R is fluoroalkyl or fluorooxyalkyl group as above defined, it can contain from 1 to 2 atoms, equal or different, selected from the following: H, Cl, Br, I; X.dbd.F, H.
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