ARTIFICIAL LEATHER AND METHOD FOR MANUFACTURING SAME

Title:

ARTIFICIAL LEATHER AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2020/054256

Kind Code:

A1

Abstract:

An artificial leather is provided that, due to excellent texture and mechanical strength (wear resistance, etc.), can be appropriately used in, for example, clothing products, or sheets of skin material or interior material, etc. for interiors, automobiles, airplanes, rail cars, etc. One embodiment of the present invention is an artificial leather that includes a fiber sheet and a polyurethane resin, wherein the fiber sheet includes a scrim that is a woven or knitted fabric, and a fiber layer (A) that constitutes a first outer surface of the artificial leather, such that in a thickness direction cross-section of the fiber layer (A), the ratio (d/D) of the total area (d) of the polyurethane resin that forms a closed shape having an area of 100 µm2 or more to the total area (D) of the polyurethane resin satisfies the following formula (1): 5 ≤ (d/D) × 100 ≤ 50 (%).

Inventors:

HIRONAKA DAISUKE (JP)
TADOKORO YOSHIYUKI (JP)
SAKATA KEIICHIRO (JP)
UMEMOTO HIROKI (JP)

Application Number:

PCT/JP2019/030739

Publication Date:

March 19, 2020

Filing Date:

August 05, 2019

Export Citation:

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Assignee:

ASAHI CHEMICAL IND (JP)

International Classes:

D06N3/00; B32B27/12; B32B27/40; D06N3/14

Domestic Patent References:

WO2015129602A1

2015-09-03

Foreign References:

JP2017137588A	2017-08-10
JPS5584479A	1980-06-25
JPS54122702A	1979-09-22
JPH06293116A	1994-10-21
JP2001096658A	2001-04-10
JPS6089299U	1985-06-19
JP2004169197A	2004-06-17
JP2005060859A	2005-03-10
JP2007224481A	2007-09-06
JP2017137588A	2017-08-10
JP2013234409A	2013-11-21
JP2017137588A	2017-08-10
JPS5584479A	1980-06-25
EP3112530A1	2017-01-04

Other References: