高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (3): 424.

• 论文 • 上一篇    下一篇

1HNMR及Raman光谱法研究十二烷基甜菜碱缔合体系的微观结构

李英1, 李干佐1, 郝树萱2, 李丽霞2   

  1. 1. 山东大学胶体与界面化学研究所, 济南 250100;
    2. 山东大学实验中心, 济南 250100
  • 收稿日期:1998-03-04 出版日期:1999-03-24 发布日期:1999-03-24
  • 通讯作者: 李英,女,28岁,博士研究生.
  • 作者简介:李英,女,28岁,博士研究生.
  • 基金资助:

    国家自然科学基金(批准号:29373110)资助课题

Studies on Microstructure of Dodecylbetaine System with 1HNMR and Raman Method

LI Ying1, LI Gan-Zuo1, HAO Shu-Xuan2, LI Li-Xia2   

  1. 1. Inst. of Colloid and Interface Chem., Shandong University, Jinan, 250100;
    2. Experiment Centre, Shandong University, Jinan, 250100
  • Received:1998-03-04 Online:1999-03-24 Published:1999-03-24

摘要: 采用1HNMR法研究了十二烷基甜菜碱、苯甲醇、水形成胶束的微观结构,推测苯甲醇在胶束中的增溶位置,发现在由O/W向W/O型的转变过程中存在过渡结构,其分子排列有序,光学上呈各向同性,称之为拟液晶结构.

关键词: 十二烷基甜菜碱, 微观结构, 液晶, 1HNMR谱, 喇曼光谱

Abstract: 1HNMR spectroscopy was used to study the microstructure of dodecylbetaine/phenylcarbinol/water system and determine the position of phenylcarbinol molecule in the micell. It was found that there was another kind of transitional structure beside W/O and O/W type in the system. According to the results of 1HNMR and Raman study it should be a long-range ordered structure called pseudo liquid crystal. Analyzing the 1HNMR spectra of the system the range of the three types of micell was given: W/O, pseudo liquid crystal, O/W. In pseudo liquid crystal system, the molecules were highly orderized.

Key words: Dodecylbetaine, Microstructure, Liquid crystal, 1HNMR spectroscopy, Raman spectroscopy

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