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首页> 外文期刊>Journal of Applied Polymer Science >An Investigation of the Flocculation Characteristics of Polyacrylamide-Grafted Chitosan
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An Investigation of the Flocculation Characteristics of Polyacrylamide-Grafted Chitosan

机译：聚丙烯酰胺接枝壳聚糖的絮凝特性研究

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摘要

To investigate the flocculation characteristics of polyacrylamide (PAM)-grafted chitosan, a series of PAM-grafted chitosan copolymer (Chito-g-PAM1 to Chito-g-PAM4) have been synthesized by ceric ammonium nitrate-induced solution polymerization technique in nitrogen atmosphere. The flocculation characteristics of the polymer samples (PAM, grafted and ungrafted chitosan) were studied by settling test and jar test methods in the colloidal suspensions of kaolin, iron ore, silica, and bentonite powder. It was found that the settling performance of Chito-g-PAM3 is best among the polymer samples. The jar test results indicate that the ungrafted chitosan has better water clarifying performance than both the PAM and grafted chitosan.
机译：为了研究聚丙烯酰胺（PAM）接枝的壳聚糖的絮凝特性，在氮气气氛下，硝酸铈铵诱导溶液聚合技术合成了一系列PAM接枝的壳聚糖共聚物（Chito-g-PAM1至Chito-g-PAM4）。 。通过沉降试验和广口瓶试验方法，在高岭土，铁矿石，二氧化硅和膨润土粉末的胶体悬浮液中研究了聚合物样品（PAM，接枝和未接枝的壳聚糖）的絮凝特性。发现在聚合物样品中Chito-g-PAM3的沉降性能最好。罐子测试结果表明，未接枝的壳聚糖具有比PAM和接枝的壳聚糖更好的水澄清性能。

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