SHEET-LIKE MATERIAL AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2011/114956

A1

Disclosed is a sheet-like material which is produced by an environmentally friendly procedure and has an elegant appearance with piloerection, good wear resistance and good texture. Specifically disclosed is a sheet-like material which is characterized by containing a water-dispersed polyurethane within a fibrous base that contains extra-fine fibers having an average single fiber diameter of 0.3-7 μm. The sheet-like material is also characterized in that the inside of the water-dispersed polyurethane is provided with pores each having a diameter of 10-200 μm. Also specifically disclosed is a method for producing a sheet-like material by applying a polyurethane liquid to a fibrous base, which is characterized in that the polyurethane liquid is a water-dispersed polyurethane liquid that contains a foaming agent and a dry film of the polyurethane that constitutes the polyurethane liquid has a 100% modulus of 3-8 MPa.

KOIDE, Gen (Toray Industries Inc., 900-1, Oaza-Yasutsugu, Godo-cho, Anpachi-gu, Gifu 95, 〒5032395, JP)
小出現 (〒95 岐阜県安八郡神戸町大字安次９００番地の１　東レ株式会社　岐阜工場内 Gifu, 〒5032395, JP)

JP2011/055455

September 22, 2011

March 09, 2011

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TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
東レ株式会社 (〒66 東京都中央区日本橋室町２丁目１番１号 Tokyo, 〒1038666, JP)
KOIDE, Gen (Toray Industries Inc., 900-1, Oaza-Yasutsugu, Godo-cho, Anpachi-gu, Gifu 95, 〒5032395, JP)

D06N3/14; D06M15/564

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