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A model is suggested to treat nematic block copolymers with mesogenic groups in the main chains. It is based on a mean-field approach taking into account attractive interactions between chain segments, and allows the description of chains with varying flexibility (with somewhat flexible mesogens). The free energy is calculated; it yields the behaviour of the temperature-dependent nematic-isotropic phase transition in the system for various sets of parameters (concentration of the two components and constants of anisotropic interaction).

Посилання на статтю:

Theory of isotropic-nematic phase transition in nematic block copolymers / T. A. Yurasova and T. C. B. McLeish // Polymer. – 1993. – Vol 34. – P. 3774-3777.

Theory of isotropic-nematic phase transition in nematic block copolymers - Завантажити.