Invention Grant
- Patent Title: Elastic artificial leather and production method therefor
-
Application No.: US14381072Application Date: 2013-02-26
-
Publication No.: US10465338B2Publication Date: 2019-11-05
- Inventor: Michinori Fujisawa , Yukio Maeda , Kazumasa Inoue , Yasutoshi Nomura , Tetsuya Ashida , Hisaichi Watanabe
- Applicant: KURARAY CO., LTD.
- Applicant Address: JP Kurashiki-shi
- Assignee: KURARAY CO., LTD.
- Current Assignee: KURARAY CO., LTD.
- Current Assignee Address: JP Kurashiki-shi
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2012-044188 20120229; JP2012-059384 20120315; JP2012-059385 20120315; JP2012-059386 20120315
- International Application: PCT/JP2013/054949 WO 20130226
- International Announcement: WO2013/129388 WO 20130906
- Main IPC: D06N3/00
- IPC: D06N3/00 ; D06M13/00

Abstract:
A production method of an elastically stretchable artificial leather which includes a step of making microfiberizable fibers into a web; a step of entangling the obtained web to produce an entangled nonwoven fabric; a step of converting the microfiberizable fibers in the nonwoven fabric to microfine fibers, thereby producing a substrate for artificial leather; a step of producing an artificial leather by using the obtained substrate for artificial leather; and a step wherein the obtained artificial leather is brought into close contact with an elastomer sheet stretched in a machine direction by 5 to 40%; the artificial leather is allowed to shrink in the machine direction simultaneously with allowing the elastomer sheet to shrink in the machine direction by relaxing elongation of the elastomer sheet; the artificial leather is heat-treated in shrunk state; and then the artificial leather is peeled off from the elastomer sheet.
Public/Granted literature
- US20150050460A1 ELASTIC ARTIFICIAL LEATHER AND PRODUCTION METHOD THEREFOR Public/Granted day:2015-02-19
Information query