FLUORINE-CONTAINING COPOLYMER

Title:

FLUORINE-CONTAINING COPOLYMER

Document Type and Number:

WIPO Patent Application WO/2011/099414

Kind Code:

A1

Abstract:

Disclosed is a fluorine-containing copolymer having fuel crack resistance and fuel permeation resistance. In particular, the copolymer contains polymerization units derived from chlorotrifluoroethylene, polymerization units derived from tetrafluoroethylene, polymerization units derived from a monomer (A), and polymerization units derived from a monomer (B), wherein the total amount of the polymerization units derived from chlorotrifluoroethylene and the polymerization units derived from tetrafluoroethylene makes up 80.0-99.8 mol%, the polymerization units derived from the monomer (A) make up 19.0-0.1 mol%, and polymerization units derived from the monomer (B) make up 10.0-0.1 mol%. The monomers (A) are monomers of at least one kind selected from a group comprising fluoroolefins represented by formula (i) CX3X4 = CX1(CF2)nX2 (i) and perfluoro (alkyl vinyl ethers) represented by formula (ii) CF2 = CF-ORf1 (ii), and the monomers (B) are monomers of at least one kind selected from a group comprising fluoroolefins represented by formula (iii) CX3X4 = CX1(CF2)mX2 (iii) and perfluoro (alkyl vinyl ethers) represented by formula (iv) CF2 = CF-ORf2 (iv).

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Inventors:

SAKAKIBARA SHINGO (JP)
FUKAGAWA RYOUICHI (JP)
SEKIGUCHI TAKASHI (JP)
INABA TAKESHI (JP)
HIRAO TAKAYUKI (JP)
SHIMONO TAKESHI (JP)

Application Number:

PCT/JP2011/052254

Publication Date:

August 18, 2011

Filing Date:

February 03, 2011

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)
SAKAKIBARA SHINGO (JP)
FUKAGAWA RYOUICHI (JP)
SEKIGUCHI TAKASHI (JP)
INABA TAKESHI (JP)
HIRAO TAKAYUKI (JP)
SHIMONO TAKESHI (JP)

International Classes:

C08F214/18; B32B27/30; C08F216/14

Domestic Patent References:

WO2005100420A1

2005-10-27

Foreign References:

JP2007015364A	2007-01-25
JP2010030276A	2010-02-12

Attorney, Agent or Firm:

YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)

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Claims:

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