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Title:
LEATHER-LIKE SHEET MATERIAL
Document Type and Number:
Japanese Patent JP2004143641
Kind Code:
A
Abstract:

To provide a leather-like sheet material produced by applying an aqueous dispersion of a polyurethane resin to a fibrous material substrate and coagulating the resin by heating, and free from the problems of conventional material comprising insufficient migration preventing effect and insufficiently improved feeling of the produced leather-like sheet material.

The leather-like sheet material contains an aqueous dispersion of a polyurethane resin composed of an anionic polyurethane resin having 0.3-6wt.% carboxylate group (COO-) and/or sulfonic acid anion group (SO3-) based on the weight of the polyurethane resin and the aqueous dispersion further contains two kinds of nonionic surfactants having an HLB of 10-18 and an inorganic salt.


Inventors:
Iwasaki, Yoshiyuki
Kobayashi, Yoshio
Application Number:
JP2002000312267
Publication Date:
May 20, 2004
Filing Date:
October 28, 2002
Export Citation:
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Assignee:
SANYO CHEM IND LTD
International Classes:
D06N3/14; C08J5/04; C08L75/04; D06N3/12; C08J5/04; C08L75/00; (IPC1-7): D06N3/14; C08J5/04; C08L75/04