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Fluorine-containing composition and fluorine-containing polymer

  • US 10,640,594 B2
  • Filed: 12/12/2012
  • Issued: 05/05/2020
  • Est. Priority Date: 12/28/2011
  • Status: Active Grant
First Claim
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1. A fluorine-containing composition comprising a fluorine-containing polymer which consists essentially of:

  • (A) repeating units formed from a fluorine-containing monomer which is alpha-chloroacrylate having a fluoroalkyl group,(B) repeating units formed from a (meth)acrylate monomer which is free from a fluoroalkyl group and which has a linear or branched hydrocarbon group, and(C) repeating units formed from a (meth)acrylate monomer which is free from a fluoroalkyl group and which has a cyclic hydrocarbon group,wherein the monomer (B) having a linear or branched hydrocarbon group is an acrylate of the formula;


    CH2

    CA1COOA2 wherein A1 is a hydrogen atom or a methyl group, and A2 is an alkyl group represented by CnH2n+1 where n is 1-30,wherein the fluorine-containing polymer is free from repeating units formed from a halogenated olefin, andwherein the monomer (A) is a fluorine-containing monomer represented by the formula;


    CH2

    C(—

    Cl)—

    C(═

    O)—

    Y—

    Z—

    RfwhereinY is —

    O;

    Z is a direct bond or divalent organic group; and

    Rf is a fluoroalkyl group having 1 to 20 carbon atoms.

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