Side-chain LCPs mixtures

In this paper, an earlier theory (12-13) for binary mixtures of backbone LCPs (and/or nonpolymeric molecules) in the nematic (N) LC phase and the isotropic (I) liquid phase has been extended to treat binary mixtures in multiple smectic-A (SA) LC phases, the N LC phase, and the I liquid phase. Either component 1 (Cl) and/or component 2 (C2) in the mixture can be a backbone LCP, a nonpolymeric LC molecule, a polymeric non-LC molecule, or a nonpolymeric non-LC molecule. Cl can also be a side-chain LCP or a combined LCP (including a SS LCP). The new theory of this paper is the mixture analogue of an earlier theory for pure (single-component) systems derived and presented in detail in References 3 and 7-10 (see also References 14-23). When only one component is present, the new mixture theory of this paper reduces to this earlier single-component theory. Therefore, only a short summary of the new mixture theory is presented here. 

Ei ft 0, (In t ) — (In O3) - 0, and E2 — Ej - 0. For the particular Cl side-chain LCPs and Cl combined LCPs (including SS LCPs) studied (3-13) with the earlier single-component analogue of this mixture theory, it has been found that the N LC phase and the I liquid phase for these polymers involve the packing of plate-like sections of backbones and side chains thus, (ln 0- ) 0, (ln f ) 0,... 

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