Abstract
The characteristics of the surface of polyvinyl-4-methoxy cinnamate (PVMC) photopolymer film which promotes the uniform alignment in adjacent liquid crystals upon photopolymerization by linear polarized UV light have been investigated. We have found that under photopolymerization the surface morphology of the polymer film changes and the polymer orients normal to the polarization direction of the UV light. Our results confirm the microscopic model of the linear photo polymerized induced unidirectional order as reported by Schadt et al. (M. Schadt, K. Schmitt, V. Koznikov, V. Chignirov, Jpn. J. Appl. Phys. 31 (1992) 2155).
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