合成纤维

2005, (06) 6-9

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芳砜纶纺丝溶液的流变性能研究
The Rheological Behavior of Polyarylsulphonamide Spinning Solution

倪如青,陈蕾,刘兆峰,汪海峰,汪晓峰
NI Ru-qing1;2 ;CHEN Lei2 ;LIU Zhao-feng2 ;WANGH ai-feng1;

摘要(Abstract):

研究了自制的芳砜纶(聚砜酰胺)纺丝溶液的浓度、温度及聚合物的相对分子质量对纺丝溶液的流动曲线、粘流活化能、非牛顿指数和结构黏度指数的影响。结果表明:DMAc溶剂体系低温缩聚的芳砜纶纺丝溶液为切力变稀的非牛顿流体,芳砜纶聚合物相对分子质量增大、溶液浓度升高使纺丝溶液的非牛顿性增加,温度升高使其减小,其中浓度的影响最大。
The article makes a systematic study on the rheological behavior of polyarylsulphonamide(PSA ) spinning solution. The results show PSA spinning solution polycondensated in DMAcat lowtem perature is non-N ew tonian fluid. The increasing of polymer molecular weight, elevating of solution concentration and decreasing of tem perature m akes the grow th of non-N ew tonian behavior of spinning solution

关键词(KeyWords): 芳砜纶;流变性能;非牛顿流体
polyarylsulphonamide fiber,rheological behavior,non-new tonian fluid

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作者(Authors): 倪如青,陈蕾,刘兆峰,汪海峰,汪晓峰
NI Ru-qing1;2 ;CHEN Lei2 ;LIU Zhao-feng2 ;WANGH ai-feng1;

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