Abstract

AbstractCellulose tricarbanilate (CTC) represents a derivative of cellulose which is excellently suited for a systematic study of the formation of lyotropic liquid crystals with solvents containing ether, ester or keto groups. The dependence on temperature, concentration and on structural features of the solvents as well as the phase behaviour were investigated in detail, especially with glycols, the chemical constitution of which was varied with respect to the glycol chain length and to the end groups. CTC with a narrow molar mas distribution and a degree of polymerization (DP) between 30 and 500 was synthesized for this study through derivatization of cellulose with subsequent degradation and fractionation.

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