申请人:Rolic AG
公开号:US08105662B2
公开(公告)日:2012-01-31
The present invention relates to mesogenic, cross-linkable mixtures comprising (i) a cross-linkable liquid crystalline host compound comprising at least one cross-linkable liquid crystalline compound, and (ii) at least one chiral or achiral rod shaped additive component, wherein said additive component has a rigid core and comprises at least two fused or linked, optionally substituted, non-aromatic, aromatic, carbocyclic or heterocyclic groups, and also comprises at least one optionally substituted alkyl residue, and at least one polymerizable group and wherein the additive component has a transition temperature to the isotropic state of 40° C. or lower. The invention also relates to the novel chiral or achiral rod-shaped additive compounds used for the preparation of these mixtures, to mixtures according to the invention in form of an elastomer, polymer gel, polymer network or polymer film, to polymer networks and liquid crystalline polymer films prepared from these mixtures and to optical or electrooptical components comprising polymer networks and liquid crystalline polymer films prepared from such mixtures. Further, the invention relates to the use of the chiral or achiral rod shaped compounds as components of a cross-linkable liquid crystalline mixture in the production of orientated liquid crystalline polymers, to liquid crystalline mixtures comprising these compounds, to liquid crystalline polymers and liquid crystalline polymer networks prepared from such liquid crystalline mixtures, and to liquid crystalline devices comprising these compounds.
本发明涉及一种液晶交联混合物,包括(i)至少一种可交联液晶宿主化合物,该宿主化合物包括至少一种可交联液晶化合物,以及(ii)至少一种手性或无手性的棒状添加剂组分,其中所述添加剂组分具有刚性核心,包括至少两个融合或连接的、可选择取代的非芳香、芳香、碳环或杂环基团,还包括至少一个可选择取代的烷基残基,以及至少一个可聚合基团,其中添加剂组分的向等向态转变温度为40°C或更低。本发明还涉及用于制备这些混合物的新手性或无手性棒状添加化合物,根据本发明的混合物形式为弹性体、聚合物凝胶、聚合物网络或聚合物薄膜,从这些混合物制备的聚合物网络和液晶聚合物薄膜,以及包括从这些混合物制备的聚合物网络和液晶聚合物薄膜的光学或电光组件。此外,本发明涉及将手性或无手性棒状化合物用作可交联液晶混合物的组分,用于生产取向液晶聚合物,包括这些化合物的液晶混合物,从这些液晶混合物制备的液晶聚合物和液晶聚合物网络,以及包括这些化合物的液晶设备。