Abstract
The micro-segregation picture of a block copolymer was applied to a low molecular weight liquid crystal (LC) to clarify the similarities between them with respect to structured mesophase formation. Calamitic LC molecules were regarded as block compounds composed of a rigid anisometric core terminated by flexible chains. Then, the incompatibility parameter χcore-chain and volume fraction fcore were considered analogous to χAB and fA in A−B diblock copolymers. Fedors's method, which was originally used for polymers, was utilized to estimate χcore-chain and fcore. We found good correspondence in the χ versus f phase diagram between block copolymers and block LCs.
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