Patent ID: 7439000

Claim:
A cholesteric liquid crystal composition comprising: a reaction product of: a cholesteric liquid crystal compound of formula (I): R—R 1 —R 2 R 3 R 4 n R 5 —R 6 (I) wherein, n is 1, 2, 3, or 4; R is an acrylate, methacrylate, or acrylamide; R 1 is a (C 1 -C 8 ) alkylene, (C 2 -C 8 ) alkenylene, or (C 2 -C 8 ) alkylyne; R 2 is a bond, —O—, —C(O)O—, —O(O)C—, —OC(O)O—, —C(O)N—, —CH═N—, —N═CH—, or —NC(O)—; R 3 is a cycloalkylene, cycloalkenylene, heterocyclylene, arylene, or hetroarylene; R 4 is a bond, (C 1 -C 8 ) alkylene, (C 2 -C 8 ) alkenylene, (C 2 -C 8 ) alkylyne, carbonyl, —O—, —C(O)O—, —O(O)C—, —OC(O)O—, —C(O)N—, —CH═N—, —N═CH—, or —NC(O)—; R 3 and R 4 are independently selected for each n; R 5 is a bond, cycloalkylene, cycloalkenylene, hetrocyclylene, arylene, or hetroarylene; R 6 is hydrogen, cyano, halo, (C 1 -C 8 ) alkoxy, (C 1 -C 8 ) alkyl, nitro, amino, carboxy, (C 1 -C 4 )thioalkyl, COCH 3 , CF 3 , OCF 3 , or SCF 3 ; and a thiol compound.