| 摘要 |
The invention includes homeotropically aligned liquid crystal films obtained by applying a polymerizable liquid crystal composition containing at least one compound selected from the group consisting of polymerizable liquid crystal compounds represented by the following formula (1-1) to the following formula (1-3) onto a substrate having a polar surface, and polymerizing the composition: wherein R1 is methyl or ethyl; Z1 is a single bond, -COO-, -OCO-, -CH-CH-COO- or -CH2CH2-COO-; Z2 is -COO- or -OCO-; each Y is independently hydrogen or fluorine; X is -OCF3 or -CN; w is 0, 1 or 2; and a is an integer of 1 to 10.
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