LAMINATED POROUS FILM, SEPARATOR FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

WIPO Patent Application WO/2011/132533

A1

Disclosed is a laminated porous film that simultaneously satisfies communication, heat resistance, and workability, and has excellent properties as a separator for non-aqueous electrolyte secondary batteries. The laminated porous film is characterized in that a heat-resistant layer comprising a filler (a), a resin binder (b), and an extending agent (c) is laminated on at least one side of a porous polyolefin resin film, and in that the air permeability is no more than 2,000 s/100 ml.

TAKAGI, Yoshihito (INC. Nagahama Plant 5-8, Mitsuya-cho, Nagahama-sh, Shiga 60, 〒5268660, JP)
高木義人 (〒60 滋賀県長浜市三ツ矢町５番８号　三菱樹脂株式会社　長浜工場内 Shiga, 〒5268660, JP)
IMANAKA, Satoru (INC. Nagahama Plant 5-8, Mitsuya-cho, Nagahama-sh, Shiga 60, 〒5268660, JP)
今中智 (〒60 滋賀県長浜市三ツ矢町５番８号　三菱樹脂株式会社　長浜工場内 Shiga, 〒5268660, JP)

JP2011/058720

October 27, 2011

April 06, 2011

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MITSUBISHI PLASTICS, INC. (1-2-2, Nihonbashi-Hongokucho Chuo-k, Tokyo 21, 〒1030021, JP)
三菱樹脂株式会社 (〒21 東京都中央区日本橋本石町１丁目２番２号 Tokyo, 〒1030021, JP)
TAKAGI, Yoshihito (INC. Nagahama Plant 5-8, Mitsuya-cho, Nagahama-sh, Shiga 60, 〒5268660, JP)
高木義人 (〒60 滋賀県長浜市三ツ矢町５番８号　三菱樹脂株式会社　長浜工場内 Shiga, 〒5268660, JP)
IMANAKA, Satoru (INC. Nagahama Plant 5-8, Mitsuya-cho, Nagahama-sh, Shiga 60, 〒5268660, JP)

B32B27/32; B32B5/22; H01M2/16; H01M10/0566

OWADA, Kazumi (Itohpia Nishitemma Soars Tower 1102, 11-20 Nishitemma 1-chome, Kita-ku, Osaka-sh, Osaka 47, 〒5300047, JP)

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