Liquid-crystalline side-group polyesters with definite lengths of the main-chain spacers

A. Boehme, J. Lindau, U. Rötz, F. Hoffmann, H.R. Fischer, S. Diele, F. Kuschel

    Research output: Contribution to journalArticleAcademicpeer-review

    Abstract

    New liq.-cryst. polyesters with 4-(phenylazo)azobenzene moieties as mesogenic side groups and a polyester backbone structure characterized by a systematic variation of the length of the flexible non-mesogenic main-chain segments were synthesized. The polyesters were investigated by DSC, polarizing microscopy, miscibility studies, and x-ray diffraction. With increasing no. of methylene groups in the backbone spacer, the thermal stability of the nematic and/or smectic phases first decreased and then increased. [on SciFinder (R)]
    Original languageEnglish
    Pages (from-to)2581-2588
    Number of pages8
    JournalMakromolekulare Chemie
    Volume193
    Issue number10
    DOIs
    Publication statusPublished - 1992

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