Title:
GRAINED LEATHER-LIKE SHEET
Document Type and Number:
WIPO Patent Application WO/2019/216164
Kind Code:
A1
Abstract:
This grained leather-like sheet has a polyurethane coating containing a polyether polyurethane, wherein the polyurethane coating contains a quinacridone red pigment and is thereby colored in a red color which has an L* value of 80 or less, an a* value of 20 or more, and a b* value of 15 or less in the L*a*b* color system. When a flexibility test is performed using a flexometer in an environment having a temperature of 20°C after the polyurethane coating has been irradiated with light of a UV carbon arc lamp compliant with JIS B7751 for 100 hours at a black panel temperature of 63°C and an irradiance of 500±50 W/m2, the number of cycles required for forming cracks in the surface of the polyurethane coating is not less than 100,000 cycles.
More Like This:
Inventors:
ASHIDA TETSUYA (JP)
HARA KANSAI (JP)
HARA KANSAI (JP)
Application Number:
PCT/JP2019/016820
Publication Date:
November 14, 2019
Filing Date:
April 19, 2019
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
D06N3/14; B32B27/20; B32B27/40; C08L75/08
Domestic Patent References:
| WO2017082273A1 | 2017-05-18 |
Foreign References:
| JP2011052336A | 2011-03-17 | |||
| JP2004315987A | 2004-11-11 | |||
| JP2004052120A | 2004-02-19 | |||
| US20150299511A1 | 2015-10-22 | |||
| US20150299942A1 | 2015-10-22 | |||
| JP2005097764A | 2005-04-14 | |||
| JP2009256810A | 2009-11-05 | |||
| JPH1181156A | 1999-03-26 | |||
| JP2013208814A | 2013-10-10 | |||
| JP2016008932A | 2016-01-18 | |||
| JP2016020549A | 2016-02-04 | |||
| JP2016505648A | 2016-02-25 | |||
| JP2015052093A | 2015-03-19 |
Other References:
See also references of EP 3822406A4
Attorney, Agent or Firm:
EGAWA Masaru et al. (JP)
Download PDF: