Title:
PRODUCTION METHOD OF SUPERFINE FIBER SYNTHETIC LEATHER WITH DENSITY GRADIENT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2017/035685
Kind Code:
A1
Abstract:
The present invention relates to the technical field of superfine fiber synthetic leather, and particularly relates to a production method of superfine fiber synthetic leather with a density gradient structure. In the production method, solvent-free polyurethane is introduced for application, so that the solvent-free polyurethane permeates into the surface layer of a superfine fiber non-woven fabric to form a compact layer, and then impregnation, decrement and post-finishing process are carried out, and finally a structure which is similar to dermis and has a compact surface layer and density gradient, is formed.
Inventors:
GU YUTING (CN)
ZHANG PENG (CN)
LIN TIANSONG (CN)
ZHANG PENG (CN)
LIN TIANSONG (CN)
Application Number:
PCT/CN2015/000919
Publication Date:
March 09, 2017
Filing Date:
December 22, 2015
Export Citation:
Assignee:
ANAN (CHINA) CO LTD (CN)
International Classes:
D06N3/14; D04H1/4382; D06N3/00
Domestic Patent References:
| WO2009088381A1 | 2009-07-16 |
Foreign References:
| CN105113273A | 2015-12-02 | |||
| CN102304858A | 2012-01-04 | |||
| CN102758359A | 2012-10-31 | |||
| CN104631136A | 2015-05-20 | |||
| CN1570267A | 2005-01-26 | |||
| CN103820872A | 2014-05-28 |
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