Yan Zhihu, Dai Caili, Feng Haishun, Liu Yifei, Wang Shilu
School of Petroleum Engineering, China University of Petroleum (Huadong), Qingdao, P. R. China.
PLoS One. 2014 Oct 8;9(10):e110155. doi: 10.1371/journal.pone.0110155. eCollection 2014.
The viscoelastic properties of worm-like micelles formed by mixing the cationic surfactant N-hexadecyl-N-methylpiperidinium bromide (C16MDB) with the anionic surfactant sodium laurate (SL) in aqueous solutions were investigated using rheological measurements. The effects of sodium laurate and temperature on the worm-like micelles and the mechanism of the observed shear thinning phenomenon and pseudoplastic behavior were systematically investigated. Additionally, cryogenic transmission electron microscopy images further ascertained existence of entangled worm-like micelles.
通过流变学测量研究了在水溶液中混合阳离子表面活性剂N-十六烷基-N-甲基哌啶溴化物(C16MDB)和阴离子表面活性剂月桂酸钠(SL)形成的蠕虫状胶束的粘弹性特性。系统研究了月桂酸钠和温度对蠕虫状胶束的影响以及观察到的剪切变稀现象和假塑性行为的机制。此外,低温透射电子显微镜图像进一步确定了缠结的蠕虫状胶束的存在。