POROUS PFA SHEET - UNIVERSITY OF YAMANASHI

Title:

POROUS PFA SHEET

Document Type and Number:

WIPO Patent Application WO/2011/105414

Kind Code:

A1

Abstract:

Disclosed is a porous PFA (tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer) sheet comprising PFA filaments and having increased tensile strength and an increased specific surface area. The porous PFA sheet comprises PFA microfilaments having an average filament diameter of 10 μm or less, and is characterized in that each of the filaments contains many PFA microparticles having sizes equal to or smaller than the average filament diameter. Also disclosed is a means for producing the porous PFA sheet.

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Inventors:

SUZUKI Akihiro (4-37 Takeda 4-chome, Kofu-sh, Yamanashi 10, 〒4008510, JP)
鈴木　章泰 (〒10 山梨県甲府市武田４丁目４番３７号　国立大学法人山梨大学内 Yamanashi, 〒4008510, JP)

Application Number:

JP2011/053944

Publication Date:

September 01, 2011

Filing Date:

February 23, 2011

Export Citation:

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Assignee:

UNIVERSITY OF YAMANASHI (4-37, Takeda 4-chome Kofu-sh, Yamanashi 10, 〒4008510, JP)
国立大学法人山梨大学 (〒10 山梨県甲府市武田４丁目４番３７号 Yamanashi, 〒4008510, JP)
Gunze Limited (1 Zeze, Aono-cho Ayabe-sh, Kyoto 11, 〒6238511, JP)
グンゼ株式会社 (〒11 京都府綾部市青野町膳所１番地 Kyoto, 〒6238511, JP)

International Classes:

D04H1/42; D04H1/40

Attorney, Agent or Firm:

SHIMODA Akira et al. (4kai, Kyobashi-Nichiei Biru 3-4,Kyobashi 3-chome, Chuo-k, Tokyo 31, 〒1040031, JP)

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