Title:
METHOD FOR DECOLORIZING TEXTILES
Document Type and Number:
WIPO Patent Application WO/2022/178704
Kind Code:
A1
Abstract:
A method for decolorizing a dyed textile comprising a synthetic fiber and a disperse dye, the method includes contacting the dyed textile with a super critical fluid thereby extracting at least a portion of the disperse dye from the textile into the super critical fluid and forming an at least partially decolorized textile.
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Inventors:
KEH EDWIN YEE MAN (CN)
YAO LEI (CN)
CHAN HOK CHUNG (CN)
FUNG SAI LUNG (CN)
LAM UN TENG (CN)
CHAN LAP HUNG (CN)
YU LEE YING (CN)
YAO LEI (CN)
CHAN HOK CHUNG (CN)
FUNG SAI LUNG (CN)
LAM UN TENG (CN)
CHAN LAP HUNG (CN)
YU LEE YING (CN)
Application Number:
PCT/CN2021/077629
Publication Date:
September 01, 2022
Filing Date:
February 24, 2021
Export Citation:
Assignee:
HONG KONG RES INST TEXTILES & APPAREL LTD (CN)
International Classes:
D06M10/04; D06B9/00; D06B9/06; D06L1/00; D06M11/76; D06M13/12; D06M13/144
Foreign References:
| CN107587362A | 2018-01-16 | |||
| CN104420191A | 2015-03-18 | |||
| JP2009069265A | 2009-04-02 | |||
| CN105155254A | 2015-12-16 | |||
| CN107548421A | 2018-01-05 | |||
| CN109468868A | 2019-03-15 | |||
| CN101644007A | 2010-02-10 | |||
| CN101805985A | 2010-08-18 |
Attorney, Agent or Firm:
BEIJING PAT SF INTELLECTUAL PROPERTY AGENCY CO. LTD (CN)
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