河北师范大学学报—

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刊名：河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
主办：河北师范大学
ISSN： 1000-5854
CN： 13-1061/N
中国科技核心期刊
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核磁共振对表面活性剂混合胶束的探究

安志敏¹

张占辉¹

杨秋青²

1. 河北师范大学化学与材料科学学院, 河北石家庄 050024;
2. 河北师范大学分析测试中心, 河北石家庄 050024
DOI： 10.11826/j.issn.1000-5854.2014.01.021

NMR Method for the Study of Mixed Surfactant Micelle

AN Zhimin¹, ZHANG Zhanhui¹, YANG Qiuqing²

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摘要/Abstract

摘要：

综述了近几年核磁共振技术（NMR）对表面活性剂混合胶束的形成和性质的研究.NMR参数提供了如下信息：化学位移的变化显示胶束的形状；扩散系数的大小判断胶束的尺寸；弛豫测量（T2/T1）提供胶束的动态信息，其中T1提供胶束粘度信息，T2表征混合胶束是否形成以及相互作用的产生；二维NOESY，ROESY，HOESY实验技术显示混合胶束间的相互作用及其混合胶束间的距离和立体结构.

Abstract：

NMR technology is effective to determine the formation of micelles and study their properties in mixed systems of surfactants.The chemical shift changes show the micellar shape, and the self diffusion coefficients indicate the micellar size.The relaxation time(T2/T1)gives dynamic information, relaxation time T1 gives information of the micellar viscosity;relaxation time T2 can identify the micellar's formation.Two dimentional NOESY, ROESY, HONESY show the interactions and distances between the surfactants inside the micelles.

关键词

关键词： 核磁共振 ; 表面活性剂 ; 混合胶束 ; 胶束粘度 ; 混合胶束的距离及相互作用

Key words： NMR ; surfactant ; mixed micelle ; micellar viscosity ; mixed micellar distance and interaction

参考文献 35

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