Kunstleder und Herstellungsverfahren dafür

Details

Veröffentlichungs-Nr.

EP3816342

Aktenzeichen

EP20204538

Anmeldetag

29. Oktober 2020

Veröffentlichung

11. Januar 2023

Erteilung

11. Januar 2023

Rechtsraum

EP

IPC

D06N3/00D06N3/14

Abstract

[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.

Anmelder

Firma

Asahi Kasei Kabushiki Kaisha

Land

🇯🇵 Japan

Fachgebiete