ETHYLENE-TETRAFLUOROETHYLENE COPOLYMER SHEET AND METHOD FOR PRODUCING SAME

Title:

ETHYLENE-TETRAFLUOROETHYLENE COPOLYMER SHEET AND METHOD FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2016/031930

Kind Code:

A1

Abstract:

　Provided are an ethylene-tetrafluoroethylene copolymer sheet having excellent mechanical strength and appearance produced continuously by extrusion molding, and a method for producing the same. An extrusion molded ethylene-tetrafluoroethylene copolymer sheet, wherein the ethylene-tetrafluoroethylene copolymer sheet is characterized in that R0/d (where R0 is the in-plane phase difference [unit: nm] and d is the thickness [unit: nm]) is 3.0 × 10-3 or less and the thickness is greater than 300 μm, and a method for producing the same.

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Inventors:

ARUGA HIROSHI (JP)
HASEGAWA TETSUYA (JP)
MASUDA SHO (JP)
HIGUCHI YOSHIAKI (JP)

Application Number:

PCT/JP2015/074284

Publication Date:

March 03, 2016

Filing Date:

August 27, 2015

Export Citation:

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Assignee:

ASAHI GLASS CO LTD (JP)

International Classes:

C08J5/18; B29C48/08; B29C48/305; B29C48/92; B29C48/40; B29K27/12; B29L7/00

Domestic Patent References:

WO2014103845A1	2014-07-03
WO2013125548A1	2013-08-29

Foreign References:

JPS6163433A	1986-04-01
JPH10296840A	1998-11-10
JP2002240144A	2002-08-28
JPH03188132A	1991-08-16

Other References: