Patent ID: 8043670
Filing Date: 2011-10-25
Classification: C09K

Abstract:
1. A liquid crystal material comprising at least one non-polymerizable liquid crystalline compound and at least one liquid crystalline compound of formula I wherein P is a polymerizable group of the formula CH (CH 2 ═CH) 2 CH—OCO—, (CH 2 ═CH—CH 2 ) 2 CH—OCO—, (CH 2 ═CH) 2 CH—O—, (CH 2 ═CH—CH 2 ) 2 N—, (CH 2 ═CH—CH 2 ) 2 N—CO—, HO—CW 2 W 3 —, HS—CW 2 W 3 —, HW 2 N—, HO—CW 2 W 3 —NH—, CH 2 ═CW 1 —CO—NH—, CH 2 ═CH—(COO) k1 -Phe-(O)—, Phe-CH═CH—, HOOC—, OCN— or W 4 W 5 W 6 Si—, with W 1 being H, Cl, CN, phenyl or alkyl with 1 to 5 C-atoms, W 2 and W 3 each independently being H or alkyl with 1 to 5 C-atoms, W 4 , W 5 and W 6 each independently being Cl, oxaalkyl or oxacarbonylalkyl with 1 to 5 C-atoms, Phe being 1,4-phenylene optionally substituted by one or more groups L, k 1 and k 2 are each independently 0 or 1, and F, Cl, Br, I, CN, NO 2 or alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 to 20 C atoms, wherein one or more H atoms may be substituted by F or Cl, Sp is a spacer group, A Z R Y Q is F, Cl, SF X m is 0, 1 or 2, and n is 0 or 1.