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Patent Searching and Data


Title:
METHOD FOR PRODUCING GRAINED ARTIFICIAL LEATHER
Document Type and Number:
Japanese Patent JP2005264371
Kind Code:
A
Abstract:

To provide a method for efficiently producing grained artificial leather having excellent air permeability.

The method for producing the grained artificial leather is characterized as follows. A film layer composed of a polyurethane resin and having 2-10 μm thickness and 500-3,000 N/cm2 100% modulus is transferred onto a fibrous substrate composed of ultrafine fibers and a polymeric elastomer and a rubbing treatment is then carried out. Furthermore, the rubbing treatment is preferably a liquid flow treatment and the polyurethane resin is preferably an amino acid-modified polyurethane resin.


Inventors:
Nishihara, Eiken
Application Number:
JP2004000077744
Publication Date:
September 29, 2005
Filing Date:
March 18, 2004
Export Citation:
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Assignee:
TEIJIN CORDLEY LTD
International Classes:
D06N3/14; D06N3/12; (IPC1-7): D06N3/14