Synthesis and application to cotton of a polymeric black colorant prepared by grafting of reactive dyes to polyvinylamine
Synthesis and application to cotton of a polymeric black colorant prepared by grafting of reactive dyes to polyvinylamine
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活性染料接枝聚乙烯胺聚合黑色着色剂的合成及其在棉中的应用
DOI：
10.1111/cote.12292
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发表时间：
2017-10
影响因子：
1.8
通讯作者：
Teng Xiaoxu
中科院分区：
文献类型：
--
作者：
Yang Jingjing;Li Jian;Teng Xiaoxu
将黄、橙、红、蓝活性染料接枝于聚乙烯胺上，合成了一种新型的聚合黑色染料。这种聚合黑色染料使染色商不必担心单个染料的相容性。用傅里叶变换红外光谱、紫外可见光谱和核磁共振光谱对聚合物黑色染料进行了表征。在400 ~ 700 nm波长范围内，聚合物黑色染料在水溶液中的吸收几乎是恒定的。与黄、橙、红、蓝四种活性染料混合制备的低固着率黑色混合活性染料相比，使用交联剂制备的聚合黑色染料在棉花上的固着率达到99%。用聚合黑染料和活性染料的黑色混合染料染色棉花的比色性能表明，使用聚合黑染料可获得较好的黑度。对聚合黑色染料的热稳定性和渗透性能分析表明，该聚合黑色染料在棉织物中的应用稳定性高，分布均匀。
A novel polymeric black dye was synthesised by grafting yellow, orange, red, and blue reactive dyes onto polyvinylamine. Such a polymeric black dye takes the onus away from dyers to worry about the compatibility of individual dyes. The polymeric black dye was characterised by Fourier transform infrared, ultraviolet-visible, and nuclear magnetic resonance spectroscopy. The absorption of the polymeric black dye in aqueous solution was nearly constant across the wavelength range 400–700 nm. Compared with a black mixture of reactive dyes with low fixation on cotton, which was prepared by mixing yellow, orange, red, and blue reactive dyes, the polymeric black dye reached 99% fixation on cotton through the use of a crosslinking agent. The colorimetric properties of cotton dyed with the polymeric black dye and with the black mixture of reactive dyes showed that better blackness can be obtained by using the polymeric black dye. Analysis of the thermal stability and penetration ability of the polymeric black dye showed that the polymeric dye has high stability in the application and a uniform distributution in the cotton fabric.
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