Synthesis and Structural Studies on Side Chain Liquid Crystalline Polyacrylates Containing Para-Nitro Azobenzene (Ⅲ) --Crystalline Behaviour of the Polymers

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (12): 1756.

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Synthesis and Structural Studies on Side Chain Liquid Crystalline Polyacrylates Containing Para-Nitro Azobenzene (Ⅲ) --Crystalline Behaviour of the Polymers

LIN Min, ZHOU En-Le, XU Ji-Ping

Polymer Physics Laboratory of Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, 130022

Received:1992-12-29 Revised:1993-04-08 Online:1993-12-24 Published:1993-12-24

Abstract

Abstract: The crystalline behaviour of the side chain liquid crystalline polyacrylates containing para-nitro azobenzene was studied by DSC, WAXDand polarized microscopy.It was found that increasing the length of the spacer and decreasing the MAcontent in the copolymers can improve the crystallinity of the copolymers.The different crystalline ability of the copolymers on different substrates also reflected the effect of the non-crystalline component MAon the crystallinity of the copolymers.

Key words: Side chain liquid crystalline polyacrylate, Crystallinity, Length of spacer, Copoly-merization

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LIN Min, ZHOU En-Le, XU Ji-Ping. Synthesis and Structural Studies on Side Chain Liquid Crystalline Polyacrylates Containing Para-Nitro Azobenzene (Ⅲ) --Crystalline Behaviour of the Polymers[J]. Chem. J. Chinese Universities, 1993, 14(12): 1756.

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Synthesis and Structural Studies on Side Chain Liquid Crystalline Polyacrylates Containing Para-Nitro Azobenzene (Ⅲ) --Crystalline Behaviour of the Polymers

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