| 壬基酚聚氧乙烯醚(10)/水体系层状液晶的流变性 |
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| 引用本文： | 冯尚华,张翠娟,李衍飞.壬基酚聚氧乙烯醚(10)/水体系层状液晶的流变性[J].应用化学,2012,29(5):565-570. |
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| 作者姓名： | 冯尚华 张翠娟 李衍飞 |
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| 作者单位： | (泰山学院材料与化学工程系 泰安 271021) |
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| 基金项目： | 山东省自然科学基金资助项目 |
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| 摘 要： | 采用应力控制流变仪，研究了非离子表面活性剂壬基酚聚氧乙烯醚(10)(NP-10)/水体系层状液晶在不同温度和表面活性剂质量分数的流变性。 在线性黏弹区内，其储能模量和损耗模量与频率的关系不符合Maxwell模型，并用滑移模型、范德华力、水化作用解释了非离子表面活性剂层状液晶表现此类流变性的原因；用Burgers模型解释了蠕变-回复实验的结论，其结果与线性的振荡实验一致。
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| 关 键 词： | 壬基酚聚氧乙烯醚(10) 层状液晶 流变性 滑移 蠕变-回复 |
| 收稿时间： | 2011-06-21 |
| 修稿时间： | 2011-09-07 |
Rheology of Lamellar Liquid Crystal Formed from Nonyl Phenol Ethoxylate(10) and Water |
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| FENG Shanghua
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ZHANG Cuijuan
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LI Yanfei.Rheology of Lamellar Liquid Crystal Formed from Nonyl Phenol Ethoxylate(10) and Water[J].Chinese Journal of Applied Chemistry,2012,29(5):565-570. |
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| Authors: | FENG Shanghua ZHANG Cuijuan LI Yanfei |
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| Institution: | (Department of Material Science and Chemical Engineering of Taishan University,Taian 271021,China) |
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| Abstract: | The rheological behavior of a lamellar lyotropic liquid crystal formed from nonyl phenol ethoxylate(10)(NP-10)/water was investigated using a rheometer.The influence of composition and temperature on the dynamic function was studied at varied surfactant concentration and temperature.The frequency-dependent storage and loss modulus were found not to be consistent with the Maxwell model in the linear viscoelastic region.The results were analyzed on the basis of slip-plane theory.The compliance was also measured,and the instantaneous elasticity measured in the creep tests was in according with the oscillatory tests.Burgers model was used to describe the time-dependent compliance. |
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| Keywords: | nonyl phenol ethoxylate(10) lamellar liquid crystal rheology slippage creep-recovery |
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