首页>
外国专利>
CHOLESTERIC LIQUID CRYSTAL MATERIAL COMPRISING OPTICALLY ACTIVE HOMO- OR COPOLYMER POLYSILANES HAVING OPTICALLY ACTIVE ALKYL GROUP HAVING BRANCHED STRUCTURE AT amp;beta;- POSITION AND IN RIGID ROD-LIKE HELICAL STRUCTURE
CHOLESTERIC LIQUID CRYSTAL MATERIAL COMPRISING OPTICALLY ACTIVE HOMO- OR COPOLYMER POLYSILANES HAVING OPTICALLY ACTIVE ALKYL GROUP HAVING BRANCHED STRUCTURE AT amp;beta;- POSITION AND IN RIGID ROD-LIKE HELICAL STRUCTURE
PROBLEM TO BE SOLVED: To obtain a cholesteric liquid crystal comprising an optically active organic silicon high-molecular polymer.;SOLUTION: This cholesteric liquid crystal comprises the optically active organic silicon high-molecular polymer represented by a structural formula of the formula 1 [wherein, R1 and R2 are each same or different 2-22C alkyl or an aralkyl having a phenyl at the terminus of a 2-22C alkyl; R3 is a chiral alkyl having a branched structure at the β-position; R* is a chiral alkyl having a branched structure at the β-position in (S)-type and/or (R)-type, with the proviso that when the (S) and the (R) coexist, the content of either one is at least 1% more than that of the other; and m is ≥0, (n+m) is 10-50,000 and n/(n+m) is ≥0.01], and having a rigid rod-like helical structure.;COPYRIGHT: (C)2001,JPO
展开▼
机译：解决的问题：获得包含光学活性有机硅高分子聚合物的胆甾型液晶。解决方案：该胆甾型液晶包含由式1的结构式表示的光学活性有机硅高分子聚合物[其中R 1和R 2各自相同或不同，为2-22C烷基或在2-22C烷基末端具有苯基的芳烷基。 R 3是在β-位具有支链结构的手性烷基。 R *是在（S）型和/或（R）型的β位具有分支结构的手性烷基，条件是当（S）和（R）共存时，任一者至少比另一者多1％; m为＆ge; 0，（n + m）为10-50,000，n /（n + m）为＆ge; 0.01]，并具有刚性杆状螺旋结构。;版权：（C）2001，JPO
展开▼
