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Citation: LIU Jinyan, LIAO Yongjuan. Water States in Reverse Micelle Formed from C₁₂-S₂-C₁₂·2Br Quaternary Ammonium Dimetric Surfactant Mixed System in Chloroform[J]. Chinese Journal of Applied Chemistry, ;2013, 30(7): 846-851. doi: 10.3724/SP.J.1095.2013.20369 shu

Water States in Reverse Micelle Formed from C₁₂-S₂-C₁₂·2Br Quaternary Ammonium Dimetric Surfactant Mixed System in Chloroform

College of Chemistry and Chemical Engineering, Inner Mongolia University of Science & Technology, Baotou 014010, China

Received Date: 27 August 2012
Revised Date: 18 October 2012

Near-infrared(NIR) spectroscopy technique was used to study the states of water in reversed micelle formed from gemini quaternary ammonium surfactants C₁₂-S₂-C₁₂·2Br in chloroform. The NIR spectroscopy of water could be categorized into three subbands corresponding to different water states. These water states were calculated into three kinds with molecular number of each surfactant molecular corresponding to dispersed solvent water n_s,bulk like water n_f and bound water n_b. By mixing ionic surfactants dodecyltrimethylammonium bromide(DTAB) or dodecyltriethlyammonium bromide(DTEB) to the C₁₂-S₂-C₁₂·2Br/chloroform system,it showed that with the increase of the molar fraction of added agent α_A,n_s and n_b were increased,while n_f was reduced;when nonionic surfactant octyl polyethylene glycol phenyl ethers(OP-10) was added,it showed that n_s was reduced,while n_b and n_f were increased as α_A was increased. It was found that the water solubilizing ability and states were influenced by the size of head group,electric charge and hydrophilicity of the surfactants.
- C₁₂-S₂-C₁₂·2Br,
- reverse micelle,
- near-infrared,
- water states
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Water States in Reverse Micelle Formed from C12-S2-C12·2Br Quaternary Ammonium Dimetric Surfactant Mixed System in Chloroform

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通讯作者: 陈斌, bchen63@163.com

Water States in Reverse Micelle Formed from C₁₂-S₂-C₁₂·2Br Quaternary Ammonium Dimetric Surfactant Mixed System in Chloroform