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Patent Searching and Data


Title:
ARTIFICIAL LEATHER BASE MATERIAL, METHOD FOR PRODUCTION THEREOF, AND NAPPED ARTIFICIAL LEATHER
Document Type and Number:
WIPO Patent Application WO/2020/044911
Kind Code:
A1
Abstract:
Provided is an artificial leather base material comprising a nonwoven fabric that is an interlaced body of a fiber (A) and a fiber (B), and an elastomer provided in the interior of the nonwoven fabric. The fiber (A) is a crimped fiber formed from two resins having different intrinsic viscosities from one another, and is a long fiber of at least 0.6 dtex. The fiber (B) is a superfine fiber of less than 0.6 dtex.

Inventors:
MEGURO MASASHI (JP)
NAKATSUKA HITOSHI (JP)
Application Number:
PCT/JP2019/029718
Publication Date:
March 05, 2020
Filing Date:
July 29, 2019
Export Citation:
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Assignee:
KURARAY CO (JP)
International Classes:
D06N3/00; B32B5/28; B32B27/04; D01F8/14; D04H1/4382; D04H1/498; D04H5/02
Foreign References:
JP2003509596A2003-03-11
JP2003213556A2003-07-30
JP2002180383A2002-06-26
JPH062267A1994-01-11
JP2005002481A2005-01-06
JP2007100249A2007-04-19
JP2005256268A2005-09-22
US4604320A1986-08-05
JP2018003181A2018-01-11
JP2003286663A2003-10-10
JP2009007730A2009-01-15
JP2013194327A2013-09-30
JP2017193794A2017-10-26
Other References:
See also references of EP 3845704A4
Attorney, Agent or Firm:
EGAWA Masaru et al. (JP)
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