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Organoclay-assisted vat dyeing of polypropylene nanocomposite fabrics
Coloration Technology ( IF 1.8 ) Pub Date : 2021-06-23 , DOI: 10.1111/cote.12566
Yehya A. Youssef 1 , Reham Farouk 1 , Abdalla A. Mousa 1 , Wael S. Mohamed 2 , Elisabeth Giebel 3 , Michael R. Buchmeiser 4
Affiliation  

Polypropylene (PP) nanocomposite fabrics containing different types of modified montmorillonite (MMT) nanoclays were prepared by a melt compounding technique. Spinnable polymers were obtained by mixing PP master batches with 4 wt% MMT, possessing either tallow amine or tallow quaternary ammonium salt intercalating compounds with a pure untreated PP to MMT content of 0.5 wt%. After spinning, the prepared nanocomposites were drawn and knitted into fabrics for further testing and dyeing. The prepared PP nanocomposite fabrics containing hydrogenated tallow quaternary ammonium-based organomodified nanoclays exhibited higher colour strength (K/S) using vat dyes compared with those containing either octadecylamine or trimethyloctadecyl ammonium-based organomodified nanoclays and reference fabrics made from fibres spun without MMT clay content. The investigated vat dyes yielded relatively high K/S values on PP nanocomposite fabrics with very good to excellent wash, excellent fastness to bleaching with chlorine, perspiration, and good to excellent light fastness ratings.

中文翻译:

聚丙烯纳米复合织物的有机粘土辅助还原染色

采用熔融复合技术制备了含有不同类型改性蒙脱石(MMT)纳米粘土的聚丙烯(PP)纳米复合织物。可纺聚合物是通过将 PP 母料与 4 wt% MMT 混合获得的,该母料具有牛油胺或牛油季铵盐插层化合物,纯未处理的 PP 与 MMT 的含量为 0.5 wt%。纺丝后,将制备的纳米复合材料拉伸并针织成织物,用于进一步测试和染色。制备的含有氢化牛脂季铵基有机改性纳米粘土的PP纳米复合织物表现出较高的色强度(K / S) 使用还原染料与含有十八胺或三甲基十八烷基铵基有机改性纳米粘土的染料和由不含 MMT 粘土含量的纤维纺成的参考织物相比。所研究的还原染料在 PP 纳米复合织物上产生了相对较高的K / S值,具有非常好的洗涤效果,优异的耐氯漂白牢度,汗渍牢度,以及良好的耐光牢度等级。
更新日期:2021-06-23
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