FLUORORESIN-COATED POLYMER FILM FOR REINFORCING POLYMER ELECTROLYTE MEMBRANE, REINFORCED POLYMER ELECTROLYTE MEMBRANE, AND MEMBRANE ELECTRODE ASSEMBLY

Title:

FLUORORESIN-COATED POLYMER FILM FOR REINFORCING POLYMER ELECTROLYTE MEMBRANE, REINFORCED POLYMER ELECTROLYTE MEMBRANE, AND MEMBRANE ELECTRODE ASSEMBLY

Document Type and Number:

WIPO Patent Application WO/2009/093620

Kind Code:

A1

Abstract:

Disclosed is a fluororesin-coated polymer film for reinforcing polymer electrolyte membranes, which is obtained by forming, on at least one side of a polymer film, a coating of a reaction product of a fluorine-containing copolymer (A), which contains a fluoroolefin, a cyclohexyl group-containing acrylate and a hydroxyl group-containing vinyl ether as constitutional components, and a crosslinking agent (B) having two or more isocyanate groups. The fluororesin-coated polymer film exhibits sufficiently high initial adhesion strength to polymer electrolyte membranes, and maintains sufficiently high adhesion strength when in use.

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Inventors:

YAMADA HIDEKI (JP)
OKAZAKI SHIZU (JP)
FUJIMOTO HIROYOSHI (JP)

Application Number:

PCT/JP2009/050905

Publication Date:

July 30, 2009

Filing Date:

January 15, 2009

Export Citation:

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Assignee:

JAPAN GORE TEX INC (JP)
YAMADA HIDEKI (JP)
OKAZAKI SHIZU (JP)
FUJIMOTO HIROYOSHI (JP)

International Classes:

B32B27/30; C08F214/18; C08G18/62; C08J7/043; C08J7/044; H01M8/02; H01M8/10

Foreign References:

JP2003261702A	2003-09-19
JP2001129940A	2001-05-15
JPH09169822A	1997-06-30
JP2001113141A	2001-04-24
JPH05174845A	1993-07-13

Other References: