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首页> 外文期刊>Autex Research Journal >Preparation of Silicone-Modified Acrylate Latex and its Application for Low-Emission Printing of PET Fibre
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Preparation of Silicone-Modified Acrylate Latex and its Application for Low-Emission Printing of PET Fibre

机译:有机硅改性丙烯酸酯胶乳的制备及其在PET纤维低排放印刷中的应用

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Attempts were made to find a more environmentally friendly technique for the printing of polyester (PET ) fabric, acting as an alternative to a usual disperse dye direct-printing process by using a plenty of water and salt and producing effluent contaminants. The low-emission printing technique includes the recipe containing disperse dye paste, synthetic thickener and the water-based silicone-modified acrylate and high-temperature curing process. The water-based silicone-modified acrylate for adhesive coating of polyester (PET) fibres was synthesized using butyl acrylate (BA), eight four methyl siloxane (D4), acrylonitrile (AN), styrene (St), methyl acrylic acid (MAA) and N-methylol acrylamide (NMA).The results showed that the silicone-modified acrylate adhesive could increase the percentages of dye fixation and the colour strength. The superior colour fastness (≥level 4) with the low-emission printing process was realized. The wastewater stream produced by the technique had a residual dye concentration of 2.62 mg/L, which was reduced by approximately 19 times that produced by traditional direct printing. The effluent wastewater drainage was reduced by 76.9%.
机译:试图找到一种对聚酯(PET)织物进行印刷的更加环保的技术,该技术通过使用大量的水和盐并产生废水污染物,来代替常规的分散染料直接印刷工艺。低排放印刷技术包括含有分散染料浆料,合成增稠剂和水基有机硅改性丙烯酸酯以及高温固化工艺的配方。使用丙烯酸丁酯(BA),八种四甲基硅氧烷(D4),丙烯腈(AN),苯乙烯(St),甲基丙烯酸(MAA)合成用于聚酯(PET)纤维粘合剂涂层的水性有机硅改性丙烯酸酯结果表明,有机硅改性的丙烯酸酯胶粘剂可以提高固色率和色强度。实现了低排放印刷过程中优异的色牢度(≥4级)。通过该技术产生的废水流的残留染料浓度为2.62 mg / L,与传统直接印刷产生的染料相比,减少了约19倍。废水排放减少了76.9%。

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