文献大多研究聚酰亚胺结构对液晶预倾角的影响，而加料顺序对预倾角影响的研究，迄今还未引起注意。
The effect of polyimide structure on LC pretilt angle has been investigated widely, but to our knowledge, the effect of monomer charge order on pretih angle has not been explored.
报道了用于高预倾角液晶显示器的定向膜材料的研究，这类定向膜材料由主链含长烷基链的聚酰亚胺组成。
The study on the alignment film for high pretilt angle liquid crystal display was reported. The alignment film was based on polyimides containing long main chain alkyl groups.
本文研究了液晶和聚酰亚胺分子在聚酰亚胺l B膜上的取向效果。
The orientational effect of liquid crystal and Polyimide molecules on the LB films was studied.
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