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聚丙烯腈/凹凸棒土纺丝溶液的流变行为 被引量:3

The Rheological Behavior of Polyacrylonitrile/attapulgite Spinning Solutions
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摘要 将纳米凹凸棒土(AT)加入聚丙烯腈(PAN)/二甲基亚砜(DMSO)纺丝溶液中,用平板流变仪研究了温度、AT含量对纺丝溶液流变性能的影响。结果表明:随着AT含量的提高,纺丝溶液的表观黏度及结构黏度指数降低,非牛顿指数和粘流活化能增大。 The effects of temperature and the content of attapulgite(AT) on the rheological behavior of PAN/ DMSO spinning solution were studied by the rheometric analysis. The increase of AT content would de-crease the viscosity of PAN spinning solution and structural viscosity index (△η), while increase the nonNewtonian index (n) and the viscous flow activation energy (En).
出处 《合成纤维》 CAS 北大核心 2008年第4期5-8,共4页 Synthetic Fiber in China
基金 国家自然科学基金重点项目(50333050) 国家"973"项目(2006CB606505) 上海市重大基础研究项目(07DJ14002)
关键词 凹凸棒土 聚丙烯腈 纺丝溶液 流变行为 attapuigite, polyacrylonitrile, spinning solution, rheological behavior
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