| 油酸钾对不同温度下阳离子瓜儿胶水溶液流变行为影响 |
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| 引用本文： | 汪琴,李化真,谢永军,李化玉,杨海洋.油酸钾对不同温度下阳离子瓜儿胶水溶液流变行为影响[J].化学物理学报,2012,25(4):448-456. |
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| 作者姓名： | 汪琴 李化真 谢永军 李化玉 杨海洋 |
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| 作者单位： | 中国科学技术大学高分子科学与工程系，合肥230026;中国科学技术大学高分子科学与工程系，合肥230026;中国科学技术大学高分子科学与工程系，合肥230026;中国科学技术大学高分子科学与工程系，合肥230026;中国科学技术大学高分子科学与工程系，合肥230026 |
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| 摘 要： | 实验测定了阳离子瓜儿胶水溶液的流变行为，讨论了油酸钾对其流变行为的影响．稳态剪切实验结果表明，加入油酸钾后，瓜儿胶溶液的零切黏度增加了近三个数量级，出现类似凝胶的性质．动态剪切实验结果表明，瓜儿胶溶液表观模量则随着油酸钾浓度的增加而增加，储存模量和损失模量对应的剪切模量随着油酸钾浓度的增加而减小．事实上，随着油酸钾浓度的增加，高分子交联在一起的聚集体数量逐渐减小，强度逐渐增加．温度的影响刚好相反，随着温度的升高，聚集体的数量逐渐增加，强度逐渐减小．
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| 关 键 词： | 流变行为，静电相互作用，阳离子瓜儿胶，油酸钾 |
| 收稿时间： | 3/2/2012 12:00:00 AM |
Effect of Potassium Oleate on Rheological Behavior of Cationic Guar in Aqueous Solution with Varying Temperatures |
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| Qin Wang,Hua-zhen Li,Yong-jun Xie,Hua-yu Li and Hai-yang Yang.Effect of Potassium Oleate on Rheological Behavior of Cationic Guar in Aqueous Solution with Varying Temperatures[J].Chinese Journal of Chemical Physics,2012,25(4):448-456. |
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| Authors: | Qin Wang Hua-zhen Li Yong-jun Xie Hua-yu Li and Hai-yang Yang |
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| Institution: | ACS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China;ACS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China;ACS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China;ACS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China;ACS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | |
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| Keywords: | Rheological behavior Cooperative hydrophobic interaction Electrostatic in-teraction Cationic guar Potassium oleate |
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