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

Abstract

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

CLC Number:

O647.2

TrendMD:

LI Ying, LI Gan-Zuo, HAO Shu-Xuan, LI Li-Xia . Studies on Microstructure of Dodecylbetaine System with ¹HNMR and Raman Method[J]. Chem. J. Chinese Universities, 1999, 20(3): 424.

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

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