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)
NAKATSUKA HITOSHI (JP)
Application Number:
PCT/JP2019/029718
Publication Date:
March 05, 2020
Filing Date:
July 29, 2019
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
D06N3/00; B32B5/28; B32B27/04; D01F8/14; D04H1/4382; D04H1/498; D04H5/02
Foreign References:
JP2003509596A | 2003-03-11 | |||
JP2003213556A | 2003-07-30 | |||
JP2002180383A | 2002-06-26 | |||
JPH062267A | 1994-01-11 | |||
JP2005002481A | 2005-01-06 | |||
JP2007100249A | 2007-04-19 | |||
JP2005256268A | 2005-09-22 | |||
US4604320A | 1986-08-05 | |||
JP2018003181A | 2018-01-11 | |||
JP2003286663A | 2003-10-10 | |||
JP2009007730A | 2009-01-15 | |||
JP2013194327A | 2013-09-30 | |||
JP2017193794A | 2017-10-26 |
Other References:
See also references of EP 3845704A4
Attorney, Agent or Firm:
EGAWA Masaru et al. (JP)
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