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Abstract
Poly(γ-n-alkyl D-glutamate)s having alkyl side chains longer than decyl form a cholesteric liquid crystal phase in the solutions of helicogenic solvents. In the lower temperature range, the side chains of these polymers more or less crystallize, and above the melting temperature of the side chain crystallites the polymers are assumed to be in liquid crystalline state. It was found that these polymers form both lyotropic and thermotropic liquid crystal phases.