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首页> 外文期刊>The Journal of the Textile Institute >Use of modified corn starches as environmental and cost-friendly alternatives of PVA in sizing applications
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Use of modified corn starches as environmental and cost-friendly alternatives of PVA in sizing applications

机译：在施胶应用中使用改性玉米淀粉作为PVA的环境和成本友好替代品

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Three modifications were made to native corn starch; crosslinking with POCl3, cationization with C6H15ClNOCl and carboxymethylation with C2H2ClNaO2. Sizing agents including different combinations of POCl3%, DS of cationic starch and DS of carboxymethyl starches were prepared and used in sizing process of 25 tex cotton yarn. It was observed that as the cationic starch and carboxymethyl starch DS values of the modified starches of the sizing solution increased the yarn quality increased and the yarns approached the quality of the yarns sized with PVA. The tensile strength, the elongation at break and the wear resistance results of the yarn sized with the solution comprising 0.048% POCl3, 0.023 (DS) cationic starch and 0.34 (DS) CCCMS, and with the solution including 0.032% POCl3, 0.03(DS) cationic starch and 0.35 (DS) measure CCCMS, were almost the same as those of PVA sized yarns, making these recipes potential substitutes for PVA in yarn sizing processes.
机译：对原生玉米淀粉进行三种修饰; 用POCl3交联，用C6H15ClNoCl阳离子化和C2H2ClNAO 2的羧甲基化。 制备包括不同组合的阳离子淀粉和羧甲基淀粉的DS的不同组合，并用于25吨汀棉纱的施胶方法。 观察到，由于施胶溶液的改性淀粉的阳离子淀粉和羧甲基淀粉DS值增加，纱线质量增加，并且纱线接近用PVA大小的纱线的质量。 抗拉强度，断裂伸长率和纱线的耐磨性，含有0.048％POCl3,0.023（DS）阳离子淀粉和0.34（DS）CCCM的溶液，以及包括0.032％POCl3,0.03（DS ）阳离子淀粉和0.35（DS）测量CCCM几乎与PVA大小的纱线相同，使得这些配方在纱线施胶过程中替代PVA。

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