壬基酚聚氧乙烯醚(10)/水体系层状液晶的流变性  

Rheology of Lamellar Liquid Crystal Formed from Nonyl Phenol Ethoxylate(10) and Water

作　　者：冯尚华[1] 张翠娟[1] 李衍飞[1] 

机构地区：[1]泰山学院材料与化学工程系,泰安271021

出　　处：《应用化学》2012年第5期565-570,共6页Chinese Journal of Applied Chemistry

基　　金：山东省自然科学基金资助项目(ZR2009BQ013)

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。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.

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 

分 类 号：O647[理学—物理化学]