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Phase transitions in mixtures of a nematic polymer and chiral nematic liquid crystals which form blue phases.
Singh, Upindranath; Davis, Fredric; Gleeson, Helen
Molecular Crystals and Liquid Crystals Science and Technology, Section A: Molecular Crystals and Liquid Crystals. 2001;357:239-247.
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Abstract
Phase diagrams of mixts. of an acrylate-based nematic side-chain polymer and chiral nematics, which form blue phases, were deduced from polarized light microscopy. The blue phase can be used as a probe of miscibility since it is sensitive to small amts. of impurities. Miscibility appears to be enhanced by the flexibility of the parent compds. and dipole-dipole interaction; it is characterized by decreased transition temps. and stabilized phases. [on SciFinder (R)]
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