Photorheology and rheokinetics of CTAB/chlorocinnamic acid micelles

doi:10.1016/j.cjche.2015.08.002

Chinese Journal of Chemical Engineering ›› 2015, Vol. 23 ›› Issue (10): 1640-1646.DOI: 10.1016/j.cjche.2015.08.002

• 催化、动力学与反应工程 • 上一篇下一篇

Photorheology and rheokinetics of CTAB/chlorocinnamic acid micelles

Bo Fang, Tingyang Lu, Jinshuang Wang, Lianghao He, Haiwei Lu, Lichen Yu, Jie Chen

Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Lab of Chemical Engineering Rheology, East China University of Science and Technology, Shanghai 200237, China

收稿日期:2015-01-13 修回日期:2015-05-25 出版日期:2015-10-28 发布日期:2015-11-27
通讯作者: Bo Fang
基金资助:
Supported by the National Natural Science Foundation of China (21273072).

Photorheology and rheokinetics of CTAB/chlorocinnamic acid micelles

Bo Fang, Tingyang Lu, Jinshuang Wang, Lianghao He, Haiwei Lu, Lichen Yu, Jie Chen

Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, Lab of Chemical Engineering Rheology, East China University of Science and Technology, Shanghai 200237, China

Received:2015-01-13 Revised:2015-05-25 Online:2015-10-28 Published:2015-11-27
Supported by:
Supported by the National Natural Science Foundation of China (21273072).

摘要/Abstract

摘要： The photosensitive micellar systemwith prospect in drag reduction and heat transfer enhancement has been the research focus of science and industry. In this paper, a newtype of photosensitive micellar systemformed by cetyl trimethylammonium bromide (CTAB) and trans-chlorocinnamic acid (trans-ClCA) was investigated. The effects of counter-ion concentration, surfactant concentration, UV irradiation time, and the position of substituent groups of counter-ion on photorheological properties were discussed. The results indicate that after UV irradiation the relative viscosity and thixotropy of micellar systems reduce obviously. At the same time, the relative viscosity of micelle systems and concentration of trans-ClCA decline during UV irradiation time. The flow curves of micellar solutions before and after UV irradiation could be described by non-linear co-rotational Jeffreys model correctly. The rheokinetic equation was firstly established to describe the relationship between relative viscosity of micelle systems and conversion of trans-ClCA.

关键词: Photosensitive micellar system, Cetyl trimethylammonium bromide, trans-chlorocinnamic acid, Rheokinetic equation, Photorheological property

Abstract: The photosensitive micellar systemwith prospect in drag reduction and heat transfer enhancement has been the research focus of science and industry. In this paper, a newtype of photosensitive micellar systemformed by cetyl trimethylammonium bromide (CTAB) and trans-chlorocinnamic acid (trans-ClCA) was investigated. The effects of counter-ion concentration, surfactant concentration, UV irradiation time, and the position of substituent groups of counter-ion on photorheological properties were discussed. The results indicate that after UV irradiation the relative viscosity and thixotropy of micellar systems reduce obviously. At the same time, the relative viscosity of micelle systems and concentration of trans-ClCA decline during UV irradiation time. The flow curves of micellar solutions before and after UV irradiation could be described by non-linear co-rotational Jeffreys model correctly. The rheokinetic equation was firstly established to describe the relationship between relative viscosity of micelle systems and conversion of trans-ClCA.

Key words: Photosensitive micellar system, Cetyl trimethylammonium bromide, trans-chlorocinnamic acid, Rheokinetic equation, Photorheological property

Bo Fang, Tingyang Lu, Jinshuang Wang, Lianghao He, Haiwei Lu, Lichen Yu, Jie Chen. Photorheology and rheokinetics of CTAB/chlorocinnamic acid micelles[J]. Chinese Journal of Chemical Engineering, 2015, 23(10): 1640-1646.

Bo Fang, Tingyang Lu, Jinshuang Wang, Lianghao He, Haiwei Lu, Lichen Yu, Jie Chen. Photorheology and rheokinetics of CTAB/chlorocinnamic acid micelles[J]. Chin.J.Chem.Eng., 2015, 23(10): 1640-1646.

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Photorheology and rheokinetics of CTAB/chlorocinnamic acid micelles

Photorheology and rheokinetics of CTAB/chlorocinnamic acid micelles

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