Patent · US Active

Phase-transfer catalytic colour fixation processing method for textile

US9739010B2 · kind B2 · utility

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0References

5Claims

0Family size

Assignee

Soochow University · CN

Inventors

Jiajie Long · Suzhou, CN
Hongmei XU · Jinan, CN
Chuanglong Cui · Suzhou, CN
Feng Chen · Neenah, US
Xiaochen Wei · Covington, US

Key dates

Filing date	Sep 3, 2013
Grant date	Aug 22, 2017
Priority date	—
Expiry date	Oct 10, 2033

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06B19/0005
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A phase-transfer catalytic color fixation processing method for textile includes the following steps: (1) dry-dyeing a textile with disperse reactive dyes in supercritical carbon dioxide fluid under waterless condition; (2) putting the textile in a phase-transfer catalytic fixation device, taking phase-transfer catalyst as the carrier of circulated supercritical carbon dioxide fluid, transporting the ionized fixing catalytic alkaline substance from aqueous phase to hydrophobic supercritical carbon dioxide fluid phase, getting full contact with functional groups on fibers, resulting in the fixing catalytic reaction with disperse reactive dyes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.