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.
本发明涉及一种介向性、可交联混合物,包括(i)至少一种可交联液晶化合物组成的可交联液晶宿主化合物,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、可选取代的、非芳香性、芳香性、环烷基或杂环基团,并且包括至少一个可选取代的烷基残基和至少一个可聚合基团,所述添加剂组分的向等向态的转变温度为40℃或更低。本发明还涉及用于制备这些混合物的新型手性或无手性棒状添加剂化合物,以及以弹性体、聚合物凝胶、聚合物网络或聚合物薄膜形式出现的本发明所述混合物,以及由这些混合物制备的聚合物网络和液晶聚合物薄膜,以及包括由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,本发明还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,以制备定向液晶聚合物,液晶混合物包括这些化合物,以及由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器件的使用。