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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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磷虾蛋白对聚丙烯腈的修饰改性
Keywords: 有机高分子材料,聚丙烯腈,磷虾蛋白,改性,湿法纺丝
Abstract:
？以水为反应介质,用马来酸酐对磷虾蛋白进行活化后再与丙烯腈共聚,得到磷虾蛋白马来酸酐酯接枝聚丙烯腈共聚物(akpm-g-pan),然后用湿法纺丝制备akpm-g-pan纤维并研究其力学性能和热性能。结果表明:制备akpm-g-pan的最佳配方和条件是:akp、马来酸酐与pan的配比为2∶2∶12.5,引发剂的质量为pan质量的10%,反应温度为60℃。按照最佳工艺条件进行接枝聚合反应,得到的聚合物分子量为15.8万。akpm-g-pan纤维的断裂强度随着纺丝液浓度的增加而增大,随着凝固浴浓度和凝固浴温度的增加先增大后减小;而akp的加入导致复合纤维的保水率提高,但是影响聚丙烯腈原有的分子链规整性并失去了部分结晶能力。
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