Abstract

Abstract There exist many problems in the process of cashmere yarn dyeing such as great difficulty in dyeing, large damage to yarn, low strength, and lack of brightness in color. Currently the technologies of hank yarn dyeing in foreign countries are very advanced, but most of them aim for hank yarn dyeing of cotton and silk with few reports on the research about hank dyeing of cashmere. In this paper, we will use reactive dyes to dye cashmere yarn, do comparative experiment on pre-treatment lotion Kierlon OL and Da ai wen, and add a smooth anti-creasing agent Primasol JET and cashmere protective agent WSM in the dyeing process and analyze their impact on the performance of cashmere hank yarn dyeing to determine a reasonable dose of accessory ingredient. This dyeing program can be applied to guide the actual production, achieving the effects of improving the performance of cashmere hank yarn dyeing and enhancing the quality of dyed yarn

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