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Citation: Ma Dezhu, Huang Yiping, Ren Xiaofan, Luo Xiaolie. Ringed Spherulite and Lyotropic Liquid Crystal in Poly(ε-caprolactone)/Ethyl Cellulose Blend[J]. Chinese Journal of Applied Chemistry, ;1999, 16(2): 9-12. shu

Ringed Spherulite and Lyotropic Liquid Crystal in Poly(ε-caprolactone)/Ethyl Cellulose Blend

1.
Department of Polymer, China University of Science and Technology, Hefei 230026

Received Date: 22 June 1998
Available Online: 24 December 1998
Fund Project:

The compatibility, specific interaction and ringed spherulite morphology of PCL/EC blends have been studied by DSC, FTIR and optical microscopy. It is shown that the blend is characteristic of low compatibility and weak specific interaction. Distinct ringed spherulites in such a system suggest that high compatibility and strong interaction between components may not be an essential factor for their formation. Addition of PCL into the ethyl cellulose/dichloroacetic acid solution was favorable for the formation of cholesteric liquid crystalline mesophases. The results are explained in terms of Flory's theory about staff-like molecule-random chain molecule-solvent ternary system.
- polycaprolactone,
- ethyl cellulose,
- blend,
- ringed spherulite,
- compatibility,
- lyotropic liquid crystal
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Ringed Spherulite and Lyotropic Liquid Crystal in Poly(ε-caprolactone)/Ethyl Cellulose Blend

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com