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Research on application of DMF for decolorization of polyester textiles
Author(s): 
Pages: 11-14
Year: Issue:  6
Journal: Textile Dyeing and Finishing Journal

Keyword:  DMFpolyester textilesPETdecolorization;
Abstract: 应用N,N-二甲基甲酰胺(DMF)进行废旧有色聚酯织物脱色。结果表明:在脱色温度为140℃、织物与DMF物料配比为1︰10的条件下,用DMF处理原液着色聚酯织物10 min,织物脱色率可达30.91%;处理分散染料染色聚酯织物2 min,织物脱色率可达87.49%;应用DMF饱和蒸汽汽蒸回流脱色分散染料染色聚酯织物时脱色率更高,达99.01%。使用后的DMF可经过蒸馏回收,回收纯度为94.28%,能继续作为脱色剂使用。
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