...但它们的分子结构有共同的特征:即由主链骨架 (main chain backbone)、柔性间隔基(spacer)、刚性介晶基元(mesogenic unit)及端基四部分组成。
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液晶基元 (Mesogenic unit) 棒状(或条状): 长径比大于4 双亲性分子 盘状: 轴比小于1/4 C:连接单元,把刚性核与柔性链段联结起来的单元, 如酯、醚、酰胺、...
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Two-dimensional mesogenic unit 二维液晶基元
Biphenyl mesogenic unit 联苯型液晶基元
Asymmetry mesogenic unit 不对称液晶基元
aromatic azo-group mesogenic unit 芳香族偶氮介晶基元
The asymmetry mesogenic unit was designed with large dipole moment to favor it tropism under the electric field and have a regular orientation in one direction.
本论文从分子设计出发,设计并合成新的不对称液晶基元,使其具有比较大的偶极矩,以利于其在电场下的取向,从而使高分子主链形成择优的扭转螺旋构象。
参考来源 - 含不对称液晶基元甲壳型聚对苯的设计与合成·2,447,543篇论文数据,部分数据来源于NoteExpress
Bis(p-hydroxybenzonic acid butanediolate)(BBHB)as mesogenic unit was prepared with methyl p-hydroxybenzoate, 1,4-butanediol and catalyst by melting transesterification.
以对羟基苯甲酸甲酯、1,4丁二醇为主要原料,经熔融酯交换合成介晶基元双-对羟基苯甲酸丁二醇酯(BBHB);
Based on the liquid crystalline polymer theory, a kind of polyacrylate was synthesized by choosing biphenyl group as rigid nucleus of mesogenic unit and hexylidene as flexible spacing group.
依据液晶分子结构理论,选择联苯基作为介晶基元,六亚甲基为柔性间隔基,合成了一种丙烯酸酯侧链型液晶高分子。
The synthesis and the effect of the molecular structure on the liquid crystalline property were discussed when the mesogenic unit was grafted on the backbone of cellulose and its derivatives.
主要包括其合成方法和刚性介晶基元接枝到纤维素及其衍生物大分子链上以后对其液晶性质的影响及可能的理论解释。
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