Title:
METHODS AND SYSTEMS FOR DECOLORIZING TEXTILE MATERIALS
Document Type and Number:
WIPO Patent Application WO/2020/168677
Kind Code:
A1
Abstract:
Provided herein is a method for decolorizing textile materials under hydrothermal conditions using dye adsorbent materials. The process is non-toxic and environmentally friendly, and the adsorbent materials can be repeatedly used. The textile materials are textile materials dyeable with disperse dyes. Further provided is a system for decolorizing textile materials. The decolorization system is designed to allow the adsorbent materials to react with the textile materials in a contact manner and a non-contact manner.
Inventors:
KEH EDWIN YEE MAN (CN)
YAO LEI (CN)
CHAN ALEX (CN)
HETTI MIMI (CN)
LIU YANG (CN)
CHAN HUNG (CN)
YU WENDY (CN)
YAO LEI (CN)
CHAN ALEX (CN)
HETTI MIMI (CN)
LIU YANG (CN)
CHAN HUNG (CN)
YU WENDY (CN)
Application Number:
PCT/CN2019/096964
Publication Date:
August 27, 2020
Filing Date:
July 22, 2019
Export Citation:
Assignee:
HONG KONG RES INST TEXTILES & APPAREL LTD (CN)
International Classes:
D06B1/00; C08J11/14; D06B23/20; D06B23/22
Foreign References:
| DE4333221A1 | 1995-04-06 | |||
| CN107629245A | 2018-01-26 | |||
| CN103709038A | 2014-04-09 | |||
| CN207793614U | 2018-08-31 | |||
| CN106589417A | 2017-04-26 | |||
| CN108951233A | 2018-12-07 | |||
| JP2009069265A | 2009-04-02 | |||
| CN108893901A | 2018-11-27 |
Attorney, Agent or Firm:
BEIJING PAT SF INTELLECTUAL PROPERTY AGENCY CO. LTD (CN)
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