Shape-persistent organic materials, including polymers, with large degrees of interior free volume are described, along with behaviors and phenomena enabled by their unique properties. One class of such a material is built up from triptycene base moieties wherein three benzene rings are bridged together about a [2.2.2] tricyclic ring system. These units can be assembled into discreet molecules and polymers. These materials and/or formulations thereof with liquid crystals or polymers are useful for the complexation of chemicals and/or polymers; they have very low dielectric constants for use as coatings in dielectric circuits, they provide additional ordering mechanisms in liquid crystals, and they display unusual mechanical responses when subjected to electrochemical, chemical, or mechanical stimuli.
本文介绍了具有大量内部自由体积的形状稳定有机材料,包括聚合物,以及由其独特性质所启用的行为和现象。其中一类这样的材料是由三苯基环基团组成的,其中三个苯环通过一个[2.2.2]
三环系统桥接在一起。这些单元可以组装成离散的分子和聚合物。这些材料和/或与液晶或聚合物的配方对于
化学物质和/或聚合物的络合非常有用;它们具有非常低的介电常数,可用作介电电路的涂层,它们为液晶提供额外的排序机制,并在受到电
化学、
化学或机械刺激时显示出不寻常的机械响应。