EP 3816342 A1 20210505 - ARTIFICIAL LEATHER AND PRODUCTION METHOD THEREFOR
Title (en)
ARTIFICIAL LEATHER AND PRODUCTION METHOD THEREFOR
Title (de)
KUNSTLEDER UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
CUIR ARTIFICIEL ET SON PROCÉDÉ DE PRODUCTION
Publication
Application
Priority
JP 2019197304 A 20191030
Abstract (en)
[PROBLEM TO BE SOLVED]To provide an artificial leather which can be suitable used as the upholstery or inner material of seats for interior, automobiles, aircraft, and railway vehicles, as well as clothing products and which has suitable dyeing unevenness inconspicuousness, dense feeling, and moist feeling.[MEANS TO SOLVE THE PROBLEM]The artificial leather of the present invention is an artificial leather including a fiber sheet and a polyurethane resin, wherein the fiber sheet includes at least a fiber layer (A) constituting a first outer surface of the artificial leather and has a k-nearest neighbor ratio value (k = 9, radius r = 20 µm) between single-fiber cross-sections constituting the fiber layer (A) of 10% to 80%, a surface polyurethane resin area ratio of the fiber layer (A) is 8% to 25%, and standard deviation of the surface polyurethane resin area ratio of the fiber layer (A) is 25% or less.
IPC 8 full level
CPC (source: EP)
D06N 3/0004 (2013.01); D06N 3/0052 (2013.01); D06N 3/14 (2013.01); D06N 2211/14 (2013.01); D06N 2211/28 (2013.01)
Citation (applicant)
- JP 4089324 B2 20080528
- JP 2014025165 A 20140206 - TORAY INDUSTRIES
- JP 2016069790 A 20160509 - TORAY INDUSTRIES
- JP 2018123444 A 20180809 - TORAY INDUSTRIES
- JP 2017013334 A 20170119 - AOI ELECTRONICS CO LTD
- WO 2015151873 A1 20151008 - TORAY INDUSTRIES [JP]
- JP H0782384 A 19950328 - KURARAY CO
- JONATHAN LONGEVAN SHELHAMERTREVOR DARREL: "Fully Convolutional Networks for Semantic Segmentation", THE IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION (CVPR, 2015
Citation (search report)
- [XDI] JP 2016069790 A 20160509 - TORAY INDUSTRIES
- [I] US 4145468 A 19790320 - MIZOGUCHI TAKAHISA, et al
- [I] US 4107374 A 19780815 - KUSUNOSE TETSUHIRO, et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3816342 A1 20210505; EP 3816342 B1 20230111; JP 2021070881 A 20210506; JP 7438714 B2 20240227
DOCDB simple family (application)
EP 20204538 A 20201029; JP 2019197304 A 20191030