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The synthesis and characterization of a homologous series of liquid‐crystalline side‐chain polymers with a chiral smectic C phase are described. The polymer backbone consists of methacrylate monomeric units which link the mesogenic moieties of the chiral cinnamic acid 2S‐ (−)‐4‐(2‐chloro‐4‐methylpentanoyloxy)phenyl ester via a flexible spacer of six to eleven CH2 groups. The influence of this variation on this variation on transition temperatures, phase structure and range of the l. c. phases is studied. In contrast to the monomers, the chiral smectic C phase of the polymers is significantly broadened with respect to the temperature regime and can be vitrified in the glassy state.
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Messner et al. (1991) studied this question.
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