Abstract
Abstract Liquid-crystalline (LC) polymer properties depend considerably on the chemical structure of the rigid and flexible parts of the macromolecular chains. The relation of these factors determines a complex of physical and chemical properties and thus the operating characteristics. Realization of the LC state within a temperature range which is required by processing and operating conditions is achieved by the synthesis of LC's of a certain structure. The formation of LC structures in cellulose diacetate by selection of plasticizer level and type is considered in this article. Plasticizer selection is determined by the ratio of the polymer specific cohesion energies and the specific cohesion energies of a combined plasticizer consisting of a true plasticizer with the addition of small amounts of a precipitator.
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More From: International Journal of Polymeric Materials and Polymeric Biomaterials
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