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Textile Research Journal
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Synthesis and Application of Crosslinking Blue Anthraquinone Polyamine Dye with High Fixation

Yingling Li

State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, People's Republic of China

Yanfeng Tang

State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, People's Republic of China

Shufen Zhang

State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, People's Republic of China, zhangshf{at}chem.dlut.edu.cn

Jinzong Yang

State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, People's Republic of China

A polyamine crosslinking dye has been synthesized and applied to silk and cotton using crosslinking agents 2-chloro-4,6-di(amino-benzene-4'-ß-sulfatoethylsulfone)-1,3,5- s-triazine and 2,4-dichloro-6-(aminobenzene-4'-ß-sulfatoethylsulone)-1,3,5- s-triazine, respectively. The effect of pH, temperature and concentration of crosslinker on fixation of the dye has been discussed in detail. The fixation of this polyamine dye reached near 100 % and the dyeings were fast to dimethylformamide at the boil. This indicated that the dye fixation was achieved by covalent bonding with the crosslinking agent, which acted as a bridge between the fiber and the dye molecules. The dyed samples showed excellent fastness to washing and rubbing.

Key Words: covalent bond • crosslinking dyes • high fixation

Textile Research Journal, Vol. 77, No. 9, 703-709 (2007)
DOI: 10.1177/0040517507080256
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