| 聚酰胺酸溶液的流变性能研究 |
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| 引用本文： | 郭立红,程茹,黄培. 聚酰胺酸溶液的流变性能研究[J]. 合成纤维工业, 2006, 29(5): 36-38 |
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| 作者姓名： | 郭立红 程茹 黄培 |
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| 作者单位： | 南京工业大学化学化工学院,江苏,南京,210009;南京工业大学化学化工学院,江苏,南京,210009;南京工业大学化学化工学院,江苏,南京,210009 |
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| 摘 要： | 采用锥板粘度计研究了聚酰胺酸溶液的流变性能及其粘度的影响因素。结果表明:聚酰胺酸溶液属于非牛顿假塑性流体,还具有负触变性流体的特征。聚酰胺酸溶液的粘度随剪切速率的增加而减小,随浓度的增加而增大,随温度的升高而降低,随存放时间的延长而下降;质量分数为15％的聚酰胺酸溶液的粘流活化能为20．83 kJ／mol。
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| 关 键 词： | 聚酰胺酸 流变性能 粘度 假塑性流体 负触变性流体 |
| 文章编号： | 1001-0041(2006)05-0036-03 |
| 收稿时间： | 2006-01-11 |
| 修稿时间： | 2006-08-15 |
Rheological study on polyamic acid solution |
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| Guo Lihong,Cheng Ru,Huang Pei. Rheological study on polyamic acid solution[J]. China Synthetic Fiber Industry, 2006, 29(5): 36-38 |
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| Authors: | Guo Lihong Cheng Ru Huang Pei |
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| Affiliation: | College of Chemical Engineering, Nanfing University of Technology, Nanfing 210009 |
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| Abstract: | The rheological behavior of polyamic acid solution and the influential factors on its viscosity were studied with a cone-plate rheometer. The results showed that the polyamic acid solution belonged to now-Newtonian pseudoplastic fluid and had the characteristics of rheopectical fluid. The viscosity of polyamic acid solution was decreased while raising shearing rate, increased while increasing solution concentration, decreased while elevating temperature and prolonging storage time. The polyamic acid solution had the flow activation energy 20. 83 kJ/mol at the mass fraction of 15%. |
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| Keywords: | polyamic acid rheological behavior viscosity pseudoplastic fluid rheopectical fluid |
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