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Title:
ROTARY SCREEN REACTIVE PRINTING PROCESS FOR RAYON FABRIC
Document Type and Number:
WIPO Patent Application WO/2021/035989
Kind Code:
A1
Abstract:
Disclosed is a rotary screen reactive printing process for a rayon fabric, the process comprising the following steps: (1) formulation of a printing paste, wherein the printing paste is formulated by mixing sodium alginate and a thickener, FS-80; (2) formulation of a color printing paste, wherein the formulation of the color printing paste is: x% of a reactive dye, 5-15% of urea, 2%-3% of sodium bicarbonate, 1%-2% of a dye-resistant salt S, 60%-80% of the printing paste, and the balance of water; firstly formulating the reactive dye with a small amount of water into a paste-like dye solution, mixing the urea, sodium bicarbonate, dye-resistant salt S and printing paste, adding water and stirring same until uniform, then adding the paste-like dye solution, and stirring same until uniform to prepare the color printing paste; (3) printing, involving: printing a fabric by using a rotary screen and the color printing paste; and (4) post-treatment, involving: subjecting the printed fabric to aging and color fixation, washing with water, color fixation after washing with water, drying and shaping. The fabric printed by means of the printing process has a stable color, fully uniform coloring, a clear pattern profile, a good color fastness and a good dimensional stability, and can fully satisfy requirements for wearing.

Inventors:
TANG JUN-SONG (CN)
SHEN YING-FANG (CN)
Application Number:
PCT/CN2019/118855
Publication Date:
March 04, 2021
Filing Date:
November 15, 2019
Export Citation:
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Assignee:
WUJIANG FEIXIANG PRINTING CO LTD (CN)
International Classes:
D06P1/38; D06P1/48; D06P1/52; D06P3/66; D06P5/02
Foreign References:
CN101130931A2008-02-27
CN104278551A2015-01-14
CN108642920A2018-10-12
JPH08291480A1996-11-05
Other References:
HE XIAOLING: "Deep Colour Printing of Rayon Staple Fabric with Reactive Dyes", TEXTILE DYEING AND FINISHING JOURNAL, vol. 27, no. 4, 1 April 2005 (2005-04-01), pages 18 - 5, XP055786514
YAO XIAOPING, SUN XING-FENG: "Printing Process of Rayon Shawl", DYEING & FINISHING, no. 3, 1 January 2011 (2011-01-01), pages 18 - 33, XP055786511
ZHANG HONG-YAN, BIN WU, CHAO ZHANG, BO CHEN, XIAN-HUA JIN: "Wet rubbing fastness improver TF-239F", DYEING & FINISHING, no. 6, 1 January 2015 (2015-01-01), pages 42 - 45, XP055786508
Attorney, Agent or Firm:
SUZHOU GUOCHENG PATENT AGENCY CO., LTD (CN)
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