STUDY ON CHIRAL SIDE-CHAIN LIQmD CRYSTALLINE COPOLYACRYLATES

HE Liu; Zhang Shu-fan; QI Zong-neng; WANG Fo-song

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STUDY ON CHIRAL SIDE-CHAIN LIQmD CRYSTALLINE COPOLYACRYLATES

Research Bulletin | 更新时间：2021-03-19

- STUDY ON CHIRAL SIDE-CHAIN LIQmD CRYSTALLINE COPOLYACRYLATES
- Acta Polymerica Sinica Issue 1, Pages: 123-128(1995)
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- Published：20 February 1995，
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HE Liu, Zhang Shu-fan, QI Zong-neng, WANG Fo-song. STUDY ON CHIRAL SIDE-CHAIN LIQmD CRYSTALLINE COPOLYACRYLATES. [J]. Acta Polymerica Sinica (1):123-128(1995)
DOI：

HE Liu, Zhang Shu-fan, QI Zong-neng, WANG Fo-song. STUDY ON CHIRAL SIDE-CHAIN LIQmD CRYSTALLINE COPOLYACRYLATES. [J]. Acta Polymerica Sinica (1):123-128(1995) DOI：

摘要

Abstract

The chiral liquid crystalline monomer(Ⅰ) 4-acryloxyundecanloxy-4'-(S(-)-2-methylbutyloxy)-biphenyl

the achiral monommer(Ⅱ) 4-acryloxyundecanloxy-blphe-nyl and the copolyacrylates of(Ⅰ) and(Ⅱ) with different composition of chiral units have been synthesized in the present work.The structures of the monomers and the copolyacrylates were identlfledby Elemental Analysis

FTIRand 1H-NMR.The liquid crystalline behavior ofcopolyacrylates hasbeen studledby DSC

POM

and X-Ray diffraction.The results of DSC and POM demonstrate that the liquid crystalline phase texture and phase transition temperature of the copolyacrylates are affected by the composition of chiral units in copolyacrylates. The copolyacrylates with chiral moiety exceeding 58.0% show SA and Sc phase

whereas the copolyacry-lates with chiral moiety below 58.0% only exhibit SA phase probably due to the mo-lecular polarizability.

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手性液晶近晶相丙烯酸酯共聚物

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