Title:
FULL-GRAIN LEATHER-LIKE SHEET
Document Type and Number:
WIPO Patent Application WO/2023/074858
Kind Code:
A1
Abstract:
This full-grain leather-like sheet is provided with a fiber substrate and a resin layer laminated on one surface of the fiber substrate, the resin layer includes at least one skin layer, and the skin layer contains polyurethane, a nonionic compound with an HLB value of 10-16, and a water-soluble polymer, and has a surface free energy with a 25-40 mJ/m2 polar part and a 30-40 mJ/m2 dispersive part, analyzed with OWRK.
Inventors:
UESAKA MITSUHARU (JP)
TAKATORI YOHEI (JP)
WARITA MASATO (JP)
TAKATORI YOHEI (JP)
WARITA MASATO (JP)
Application Number:
PCT/JP2022/040422
Publication Date:
May 04, 2023
Filing Date:
October 28, 2022
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
D06N3/14; B32B5/00; B32B27/40
Foreign References:
| JP2002249987A | 2002-09-06 | |||
| JP2003138131A | 2003-05-14 | |||
| JP2000230060A | 2000-08-22 | |||
| US20080167398A1 | 2008-07-10 | |||
| CN110670376A | 2020-01-10 |
Attorney, Agent or Firm:
EGAWA Masaru (JP)
Download PDF: