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Two non‐ideal kinds of behaviour for solutions of liquid‐crystalline side‐chain polymer (LC polymer) solutes in nematic solvents of low molecular weight (LMW) are investigated, viz. immiscibility and induced smectic A phases. The former property already observed in the nematic state of some polysiloxanes is extended to polymethacrylates (or polyacrylates) leading to the conclusion that immiscibility is strongly influenced by the chemical structure of the whole macromolecule. The latter property responds in the same way as the former to molecular modifications, suggesting that they can be connected somehow.
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Achard et al. (1988) studied this question.
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