Sheet-like material and method for producing same

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United States of America Patent

PATENT NO 9932705
SERIAL NO

13634672

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Abstract

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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 containing a water-dispersed polyurethane within a fibrous base that contains extra-fine fibers having an average single fiber diameter of 0.3-7 um. The inside of the water-dispersed polyurethane is provided with pores each having a diameter of 10-200 um. Also specifically disclosed is a method for producing a sheet-like material by applying a polyurethane liquid to a fibrous base, wherein 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.

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Patent Owner(s)

Patent OwnerAddress
TORAY INDUSTRIES INCJAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koide, Gen Gifu, JP 183 528
Yanai, Katsufumi Gifu, JP 2 4

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