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Title:
ANHYDROUS DYEING DISPERSE DYE PASTE, PREPARATION METHOD AND USE
Document Type and Number:
WIPO Patent Application WO/2021/103220
Kind Code:
A1
Abstract:
An anhydrous dyeing disperse dye paste, which is composed of the following raw materials in weight fractions: a disperse dye filter cake 10%-40%, a dispersing agent 2%-35%, a dyeing auxiliary 5%-20%, a surfactant 0.1%-0.5%, and a solvent 20%-88%. The anhydrous dyeing disperse dye paste has a small particle size, and after anhydrous dyeing, a textile does not contain a cleavable carcinogenic aromatic amine azo dye, does not contain a sensitizing dye, does not contain a prohibited aromatic amine, and does not contain a bioactive substance. The storage stability time of the anhydrous dyeing disperse dye paste can reach 6 to 12 months, which is favorable for the transport of dye and the production management of a dyeing factory; moreover, the anhydrous dyeing disperse dye paste has a dyeing effect having a high fixation rate after application on a textile.

Inventors:
WANG JIPING (CN)
PEI LIUJUN (CN)
WU ZHENHUA (CN)
Application Number:
PCT/CN2019/126807
Publication Date:
June 03, 2021
Filing Date:
December 20, 2019
Export Citation:
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Assignee:
HAINING GREEN UNIVERSE TEXTILE TECH CO LTD (CN)
International Classes:
C09B67/40; C09B67/00; D06P1/16; D06P3/26; D06P3/54
Foreign References:
CN106978740A2017-07-25
CN103938462A2014-07-23
CN103938463A2014-07-23
CN109135334A2019-01-04
US4746590A1988-05-24
Other References:
WU HAO , LIU JIN-QIANG: "Study on Waterless Dyeing Process of Polyester with Disperse Dyes in D5 under Normal Pressure and High Temperature", JOURNAL OF ZHEJIANG SCI-TECH UNIVERSITY, vol. 33, no. 5, 10 September 2015 (2015-09-10), pages 584 - 590, XP055816080, ISSN: 1673-3851
See also references of EP 4067438A4
Attorney, Agent or Firm:
BEIJING KEYI INTELLECTUAL PROPERTY FIRM (CN)
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