Synthesis and characterization of a series of azobenzene-containing side-chain liquid crystalline polymers

…, F Lagugné-Labarthet, P Rochon, A Natansohn

Index: Freiberg, Stephan; Lagugne-Labarthet, Francois; Rochon, Paul; Natansohn, Almeria Macromolecules, 2003 , vol. 36, # 8 p. 2680 - 2688

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Citation Number: 93

Abstract

A series of poly {4'-{(X-methacryloyloxyalkylene) methylamino}-4-nitroazobenzene}(p X MAN, where X is the number of methylene units and varies from 2 to 12) polymers with liquid crystalline (LC) properties was synthesized. When annealed above their T g values, the whole series of polymers exhibits a stable smectic A mesophase while only the material with the shorter spacer, p2MAN, presents a smectic phase followed by a nematic phase. The ...

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