Synthesis of Side Chain LC Copolymer with NLO Unit and the Study of Its Poling Film by UV

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (1): 136.

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Synthesis of Side Chain LC Copolymer with NLO Unit and the Study of Its Poling Film by UV

HUANG Zhi-Hua¹, YANG Chun-Cai¹, TANG Xin-Yi¹, WANG Hua-Bin², JING Xia-Bin²

1. Department of Chemistry, Jilin University, Changchun, 130023;
2. Changchun Institute of Apllied Chemistry, Academic Sinica

Received:1993-01-05 Revised:1993-04-14 Online:1994-01-24 Published:1994-01-24

Abstract

Abstract: A zo-type nonmesogenic monomer and mesogenic monomer were synthesized.Copolymers were obtained using these monomers by radical polymerization.The phase transition temperatures of these copolymers were investigated by DSC,the result showed that the copolymer did not exhibit the mesomorphic nature in concentration of azo unit above 40 mol%.The polymeric film was poled by needle-electrode corona-onset poling at elevated temperature,the orientational order parameterφand its stability were estimated by UVmeasurement.This paper proceeded to an initial study for NLO property of liquid crystal polymer.

Key words: Nonlinear optical, Side chain LC polymer, UV absorption

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HUANG Zhi-Hua, YANG Chun-Cai, TANG Xin-Yi, WANG Hua-Bin, JING Xia-Bin. Synthesis of Side Chain LC Copolymer with NLO Unit and the Study of Its Poling Film by UV[J]. Chem. J. Chinese Universities, 1994, 15(1): 136.

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Synthesis of Side Chain LC Copolymer with NLO Unit and the Study of Its Poling Film by UV

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