Salt-free reactive dyeing of betaine-modified cationic cotton fabrics with enhanced dye fixation

Wei Ma; Mei Meng; Shumin Yan; Shufen Zhang

doi:10.1016/j.cjche.2015.07.008

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Salt-free reactive dyeing of betaine-modified cationic cotton fabrics with enhanced dye fixation

第25届中国过程控制会议专栏 | Updated：2026-01-06

- Salt-free reactive dyeing of betaine-modified cationic cotton fabrics with enhanced dye fixation
- Chinese Journal of Chemical Engineering Vol. 24, Issue 1, Pages: 175-179(2016)
- Affiliations：
  
  State Key Laboratory of Fine Chemicals, Dalian University of Technology,Dalian,China,116023
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.07.008
  CLC：
- Published：2016
- Accepted：
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Wei Ma, Mei Meng, Shumin Yan, Shufen Zhang. Salt-free reactive dyeing of betaine-modified cationic cotton fabrics with enhanced dye fixation[J]. Chin.J.Chem.Eng., 2016, 24(1): 175-179.
DOI：

Wei Ma, Mei Meng, Shumin Yan, Shufen Zhang. Salt-free reactive dyeing of betaine-modified cationic cotton fabrics with enhanced dye fixation[J]. Chin.J.Chem.Eng., 2016, 24(1): 175-179. DOI： 10.1016/j.cjche.2015.07.008.

摘要

Abstract

Novel cationic cotton fabricswere prepared by an efficient and simple one-step pad-dry-bake pretreatment processwith betaine as cationic reagent. Ester bonds formed between cotton fibers and betaine hydrochloride were proved by Fourier transformed infrared attenuated total reflection (FTIR-ATR) spectra. Moreover

the properties of the cationic fabrics

including X-ray Diffraction (XRD)

tensile strength and whiteness and yellowness index

were investigated in comparison with that of the untreated ones. The cationic fabrics were applied in salt-free dyeing of C.I. Reactive Red 195

C.I. Reactive Yellow 145 and C.I. Reactive Blue 19. Different dye fixation processes were applied and compared for untreated and cationic cotton. Dye fixation and color fastness properties of the dyeswere tested

and the results presented that dye fixation on the cationic fabrics in the absence of saltwas improved with satisfactory light fastness property and applicable wash and rub fastnesses.

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