申请人:Cherkaoui Mohammed Zoubair
公开号:US20070257230A1
公开(公告)日:2007-11-08
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.
本发明涉及到一种向列相交联混合物,包括(i)至少包含一种可交联向列相化合物的可交联向列相宿主化合物,和(ii)至少一种手性或无手性的棒状添加剂组分,其中该添加剂组分具有刚性的核心,包括至少两个融合或连接的、可选地取代的非芳香族、芳香族、碳环族或杂环族基团,同时包括至少一个可选地取代的烷基残基和至少一个可聚合基团,且该添加剂组分具有向等向态转变的转变温度为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膜形式的本发明的混合物、从这些混合物制备的聚合物网络和向列相聚合物膜、以及包含从这些混合物制备的聚合物网络和向列相聚合物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向列相混合物的组分,用于生产定向向列相聚合物,液晶混合物包括这些化合物,从这些液晶混合物制备的液晶聚合物和液晶聚合物网络,以及包含这些化合物的液晶装置的使用。