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Title:
METHOD FOR MANUFACTURING SYNTHETIC LEATHER
Document Type and Number:
WIPO Patent Application WO/2021/157351
Kind Code:
A1
Abstract:
[Problem] To provide a novel method for manufacturing synthetic leather that is colored using dye. [Solution] A method for manufacturing synthetic leather having an outer surface layer on a base fabric, said method comprising the steps of: (i) coating a releasable base material with an outer surface layer composition containing a polyurethane resin and at least one dye selected from natural dyes and chemical dyes, and drying the coating to form an outer surface layer; and (ii) layering the outer surface layer over a base fabric.

Inventors:
KAJIHARA HIDETOSHI (JP)
HONDA YUKIO (JP)
YABE TOMOYUKI (JP)
Application Number:
PCT/JP2021/001769
Publication Date:
August 12, 2021
Filing Date:
January 20, 2021
Export Citation:
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Assignee:
DAIICHI KASEI (JP)
KAJIHARA DESIGN STUDIO INC (JP)
International Classes:
B32B27/12; D06N3/14; D06P5/26
Domestic Patent References:
WO2019096732A12019-05-23
Foreign References:
JPS5122803A1976-02-23
JPS59100778A1984-06-11
JPS59100779A1984-06-11
JPH0261181A1990-03-01
JP2008050733A2008-03-06
JPH09241978A1997-09-16
JPH02251685A1990-10-09
JPH06235177A1994-08-23
JPH0441783A1992-02-12
JPH07132573A1995-05-23
JPS5438996A1979-03-24
JP2006307359A2006-11-09
JP2020019859A2020-02-06
Other References:
See also references of EP 3943659A4
Attorney, Agent or Firm:
KOBAYASHI Hiroshi et al. (JP)
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