Anomalous viscoelasticity of concentrated solutions with a fluorinated hybrid surfactant

Anomalous viscoelasticity of concentrated solutions with a fluorinated hybrid surfactant
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含氟杂化表面活性剂浓溶液的反常粘弹性

DOI：
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发表时间：
1997
期刊：
影响因子：
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通讯作者：
K. Nishiyama
K. Nishiyama
中科院分区：
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文献类型：
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作者：
M. Abe;K. Tobita;H. Sakai;Y. Kondo;N. Yoshino;Yasutoshi Kasahara;H. Matsuzawa;M. Iwahashi;N. Momozawa;K. Nishiyama

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分析了一种含碳氟链和碳氢链的杂化表面活性剂浓溶液的流动（流变）性质和动态粘弹性。结果表明，混合表面活性剂溶液的粘度与其浓度的增加不成比例，并且在10重量%溶液附近显示出非常大的值。实验还表明，在此浓度范围内的表面活性剂溶液表现出类似于粘弹性物质的特性，具有橡胶般的弹性。
Flow (rheological) properties and dynamic viscoelasticity of concentrated solutions of a hybrid surfactant containing a fluorocarbon chain and hydrocarbon chain within a single molecule were analyzed. The results indicated that the viscosity of the hybrid surfactant solution is not proportional to the increase in its concentration, and it showed an anomalously large value around a 10 wt % solution. It was also indicated that the surfactant solution in this range of concentration behaves like a viscoelastic substance with a characteristic of rubber like elasticity.