Title: SYNTHESIS OF SIDE-CHAIN LIQUID-CRYSTALLINE POLYACRYLATES, POLYMETHACRYLATES AND POLYSILOXANES CONTAINING 4-CYANO-BIPHENYL 4-ALKANYLOXYBENZYL ETHER SIDE GROUPS
Authors: JUANG, TM
CHANG, CF
HSU, CS
交大名義發表
應用化學系
National Chiao Tung University
Department of Applied Chemistry
Issue Date: 1-Jun-1992
Abstract: The synthesis and characterization of side-chain liquid crystalline polyacrylates, polymethacrylates and polysiloxanes containing 4-cyanobiphenyl 4-alkanyloxybenzyl ether side groups are presented. All polymers display respectively a smectic A mesophase. The influence of the polymer backbone flexibility on the phase transition temperatures of the synthesized side-chain liquid crystalline polymers is discussed. The results demonstrate that flexible backbones enhance the decoupling of the motions of the side chain and main chain. Therefore, among three kinds of polymer backbones which contain the same mesogenic side groups, the most flexible one, i.e., polysiloxane, reveals a highest isotropization temperature and a widest temperature range of mesophase.
URI: http://dx.doi.org/10.1007/BF00297332
http://hdl.handle.net/11536/3412
ISSN: 0170-0839
DOI: 10.1007/BF00297332
Journal: POLYMER BULLETIN
Volume: 28
Issue: 4
Begin Page: 403
End Page: 410
Appears in Collections:Articles