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首页> 外文期刊>Journal of Applied Polymer Science >Synthesis of acid dyes containing polyetheramine moieties and their low-temperature dyeing properties on wool fiber
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Synthesis of acid dyes containing polyetheramine moieties and their low-temperature dyeing properties on wool fiber

机译：含有聚醚胺部分的酸性染料的合成及其对羊毛纤维的低温染色性能

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摘要

To realize the low-temperature dyeing of wool fibers, the use of auxiliaries and wool modification are common methods. Low-temperature auxiliaries may cause water-pollution problems, and wool modification is a costly and uncontrollable process. In this study, new acid dyes, named D1-D3, containing polyetheramine groups were synthesized and applied to wool fiber by conventional and low-temperature exhaust dyeing procedures. The results indicate that the new acid dyes could interact with wool-fiber-like auxiliaries and render a high exhaustion rate to the wool fiber at a dyeing temperature of 80 degrees C. In comparison with Acid Blue 25, the D1-D3 dyes showed an increased dyeing rate, especially under a dyeing temperature of 80 degrees C. Despite the bigger relative molecular masses of D1-D3, the exhaustion rates of D1-D3 were still higher, and the times of half-dyeing were shorter than that of Acid Blue 25. The color differences between the wool fabrics dyed with the four dyes at 80 and 98 degrees C, respectively, were compared. We found that the color differences of D1-D3 between 80 and 98 degrees C were smaller than that of Acid Blue 25. The interactions between the dyes and wool fiber were analyzed and manifested by the measurement of the potential of the dyes and wool fiber. The leveling and transfer properties of the D1-D3 dyes were also investigated, and the color differences of the wool fabrics dyed with Acid Blue 25, D1, and D2 were very low at all measured pH values and temperatures. The fastnesses of D1-D3 on wool fabric were almost the same as that of Acid Blue 25. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45793.
机译：为了实现羊毛纤维的低温染色，使用助剂和羊毛改性是常用方法。低温助剂可能导致水污染问题，羊毛修饰是一种昂贵和无法控制的过程。在该研究中，通过常规和低温排气染色程序合成并将其含有聚醚胺基团的Naved D1-D3的新的酸性染料。结果表明，新的酸性染料可以与羊毛纤维样助剂相互作用，并在80℃的染色温度下使羊毛纤维的高耗尽率为80℃。与酸蓝25相比，D1-D3染料显示增加染色率，特别是在80℃的染色温度下。尽管D1-D3的相对分子量较大，D1-D3的耗尽速率仍然更高，并且半染色的时间短于酸蓝的时间短25.比较了用80和98℃的四个染料染色的羊毛织物之间的颜色差异。我们发现，80至98℃之间的D1-D3的颜色差异小于酸蓝25的颜色差异。通过测量染料和羊毛纤维的电位，分析染料和羊毛纤维之间的相互作用。还研究了D1-D3染料的水平和转移性质，并且在所有测量的pH值和温度下，用酸蓝25，D1和D2染色的羊毛织物的颜色差异非常低。 D1-D3对羊毛织物的牢度与酸蓝25的牢固相同。（c）2017 Wiley期刊，Inc .J.Phill。聚合物。 SCI。 2018,135,45793。

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