KINETICSOF TRANSITION FROM ISOTROPIC TO CHOLESTERIC PHASE FOR A THERMOTROPIC CELLULOSE DERIVATIVE

CHEN Shouxi; SUN Zheng; SONG Wenhui; JIN Yongze; HUANG Yong

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KINETICSOF TRANSITION FROM ISOTROPIC TO CHOLESTERIC PHASE FOR A THERMOTROPIC CELLULOSE DERIVATIVE

Papers | Updated：2021-06-21

- KINETICSOF TRANSITION FROM ISOTROPIC TO CHOLESTERIC PHASE FOR A THERMOTROPIC CELLULOSE DERIVATIVE
- Vol. 14, Issue 1, Pages: 86-90(1996)
- Affiliations：
  
  1.   Institute of Chemistry
  2.   Academia Sinica
  3.   Beijing 100080
  4.   Guangzhou Institute of Chemistry
  5.   Guangzhou 510650
- Author bio：
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CHEN Shouxi, SUN Zheng, SONG Wenhui, et al. KINETICSOF TRANSITION FROM ISOTROPIC TO CHOLESTERIC PHASE FOR A THERMOTROPIC CELLULOSE DERIVATIVE. [J]. 14(1):86-90(1996)
DOI：

CHEN Shouxi, SUN Zheng, SONG Wenhui, et al. KINETICSOF TRANSITION FROM ISOTROPIC TO CHOLESTERIC PHASE FOR A THERMOTROPIC CELLULOSE DERIVATIVE. [J]. 14(1):86-90(1996) DOI：

摘要

<正> The kinetics of mesophase formation of a thermotropic hydroxyethyl cellulose acetatefrom isotropic phase to cholesteric mesophase has been studied by means of depolariz-ing transmittance method. Avrami type analysis of the data gives an exponent n close to1, which suggests the nucleation followed by rod-like growth. It means that the kineticbehavior of phase transition from isotropic to cholesteric mesophase is very similar to thatof the mesophase formation from isotropic to nematic mesophase.

Abstract

The kinetics of mesophase formation of a thermotropic hydroxyethyl cellulose acetatefrom isotropic phase to cholesteric mesophase has been studied by means of depolariz-ing transmittance method. Avrami type analysis of the data gives an exponent n close to1, which suggests the nucleation followed by rod-like growth. It means that the kineticbehavior of phase transition from isotropic to cholesteric mesophase is very similar to thatof the mesophase formation from isotropic to nematic mesophase.

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