水溶性聚合物与十二烷基硫酸钠相互作用的1H NMR研究

波谱学杂志 ›› 2004, Vol. 21 ›› Issue (1): 49-55.

水溶性聚合物与十二烷基硫酸钠相互作用的¹H NMR研究

冯杨¹, 方晓雯¹, 毛诗珍¹, 赵濉², 袁汉珍¹, 俞稼镛², 杜有如^1*

1.中国科学院武汉物理与数学研究所, 波谱与原子分子物理国家重点实验室, 湖北武汉 430071;
2.中国科学院感光化学研究所，北京 100101

收稿日期:2003-07-18 修回日期:2003-11-06 出版日期:2004-03-05 发布日期:2004-03-05
基金资助:
The Fundamental National Key Basic Research Development Program “Fundamental Study on Extensively Enhanced Oil Recovery” (Project Grant G1999022504) and NSFC (20373087)

INTERACTIONS OF WATER-SOLUBLE POLYMERS WITH SODIUM DODECYL SULFATE IN AQUEOUS SOLUTION STUDIED BY ¹H NMR

FENG Yang¹, FANG Xiao-Wen¹, MAO Shi-Zhen¹, ZHAO Sui², YUAN Han-Zhen¹, YU Jia-Yong², DU You-Ru^1*

1.State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, The Chinese Academy of Sciences, Wuhan 430071, China;
2.Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100101, China

Received:2003-07-18 Revised:2003-11-06 Online:2004-03-05 Published:2004-03-05
Supported by:
The Fundamental National Key Basic Research Development Program “Fundamental Study on Extensively Enhanced Oil Recovery” (Project Grant G1999022504) and NSFC (20373087)

摘要/Abstract

摘要：

用¹H NMR方法研究了分别在2 g/L聚乙烯吡咯烷酮(PVP)和2 g/L聚乙烯醇（PVA）存在下，一系列不同浓度的十二烷基硫酸钠(SDS)溶液. 二维NOESY实验表明，SDS在浓度为2.5 mmol/L时形成胶束，且PVP被增溶到胶束内部；当SDS浓度低于2.5 mmol/L时，PVP与SDS之间没有明显的相互作用. 自旋-自旋弛豫时间的测量结果支持这一结论. 实验中没有检测到PVA与SDS之间的相互作用.

关键词: ¹H核磁共振, 聚乙烯吡咯烷酮, 聚乙烯醇, 十二烷基硫酸钠, 相互作用

Abstract:

Aqueous solutions of sodium dodecyl sulfate (SDS) at various concentrations in 2 g/L polyvinylpyrrolidone (PVP) and 2 g/L polyvinyl alcohol (PVA), respectively, were studied by ¹H NMR. Two-dimensional nuclear Overhauser enhancement spectroscopy (NOESY) experiments show that SDS starts to micellize at a concentration of 2.5 mmol/L, with PVP solubilized in the interior of the micelles. At
SDS concentrations lower than 2.5 mmol/L, no significant interaction could be detected. Spin-spin relaxation measurements support this conclusion. The interaction between PVA and SDS was hardly detected.

Key words: ¹H NMR, polyvinylpyrrolidone, polyvinyl alcohol, sodium dodecyl sulfate, interaction

中图分类号:

O641

冯杨, 方晓雯, 毛诗珍, 赵濉, 袁汉珍, 俞稼镛, 杜有如. 水溶性聚合物与十二烷基硫酸钠相互作用的¹H NMR研究[J]. 波谱学杂志, 2004, 21(1): 49-55.

FENG Yang, FANG Xiao-Wen, MAO Shi-Zhen, ZHAO Sui, YUAN Han-Zhen, YU Jia-Yong, DU You-Ru. INTERACTIONS OF WATER-SOLUBLE POLYMERS WITH SODIUM DODECYL SULFATE IN AQUEOUS SOLUTION STUDIED BY ¹H NMR[J]. Chinese Journal of Magnetic Resonance, 2004, 21(1): 49-55.

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水溶性聚合物与十二烷基硫酸钠相互作用的¹H NMR研究

INTERACTIONS OF WATER-SOLUBLE POLYMERS WITH SODIUM DODECYL SULFATE IN AQUEOUS SOLUTION STUDIED BY ¹H NMR

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