Patent ID: 8419973
Filing Date: 2013-04-16
Classification: C08F,C09K

Abstract:
1. A polymerizable liquid crystal composition comprising a mixture of polymerizable compounds containing at least one compound selected from a group of compounds represented by the formula (1-1) as a component A, at least one compound selected from a group of compounds represented by the formula (2-1) or at least one compound selected from a group of compounds represented by the formulae (2-2) to (2-4) as a component B, at least one compound selected from a group of compounds represented by the formula (3-1) as a component C and at least one compound selected from a group of compounds represented by the formulae (4-1) to (4-3) as a component D, and at least one compound selected from a group of compounds represented by the formulae (5-1) and (5-2) as a component E: wherein in the formula (1-1), ring T represents triptycen-1,4-diyl; Z 1 independently represents hydrogen, fluorine, chlorine, methyl or trifluoromethyl; W 1 independently represents hydrogen, halogen, alkyl having from 1 to 3 carbon atoms or fluoroalkyl having from 1 to 3 carbon atoms; Y 1 independently represents a single bond, —COO—, —OCO—, —CH═CH—COO—, —OCO—CH═CH—, —(CH 2 ) 2 —COO— or —OCO—(CH 2 ) 2 —; and n1 independently represents an integer of from 2 to 15, in the formula (2-1), Z 2 independently represents hydrogen, fluorine, methyl or trifluoromethyl; W 2 independently represents hydrogen, halogen, alkyl having from 1 to 3 carbon atoms or fluoroalkyl having from 1 to 3 carbon atoms; Y 2 independently represents a single bond, —CH═CH— or —(CH 2 ) 2 —; and n2 independently represents an integer of from 2 to 15, in the formula (2-2), L 1a and L 1b each independently represent alkyl having from 1 to 4 carbon atoms; R 2a and R 2b each independently represent alkylene having from 2 to 4 carbon atoms; Z 22 independently represents hydrogen or methyl; k1 and k2 each independently represent an integer of from 0 to 4; and m22 and n22 each independently represent an integer of from 0 to 6, in the formula (2-3), Z 23 independently represents hydrogen or methyl; R 3a and R 3b each independently represent hydrogen, methyl or ethyl; and m23 and n23 each independently represent an integer of from 0 to 3, in the formula (2-4), Z 24 independently represents hydrogen or methyl; R 4a and Rob each independently represent hydrogen or alkyl having from 1 to 6 carbon atoms; L 2a and L 2b each independently represent alkyl having from 1 to 6 carbon atoms; m24 and n24 each independently represent an integer of from 1 to 3; m25 and n25 each independently represent an integer of from 1 to 3; and j1 and j2 each independently represent an integer of from 0 to 4, in the formula (3-1), Z 3 represents hydrogen, fluorine, methyl or trifluoromethyl; W 3 independently represents hydrogen, halogen, alkyl having from 1 to 3 carbon atoms or fluoroalkyl having from 1 to 3 carbon atoms; X 3 represents a single bond, —O—, alkylene having from 1 to 20 carbon atoms, —COO— or —OCO—; ring A 3 represents 1,4-phenylene or 1,4-cyclohexylene; R 3 represents hydrogen, fluorine, chlorine, cyano, alkyl having from 1 to 20 carbon atoms or alkoxy having from 1 to 20 carbon atoms, in which in the alkyl and the alkoxy, arbitrary hydrogen may be replaced by fluorine; n3 represents an integer of from 0 to 20; and p and q each independently represent 0 or 1, provided that when n3 is 0, X 3 represents a single bond or alkylene having from 1 to 20 carbon atoms, in the formulae (4-1) to (4-3), Z 4 independently represents hydrogen, fluorine, methyl or trifluoromethyl; W 4 independently represents hydrogen, halogen, alkyl having from 1 to 3 carbon atoms or fluoroalkyl having from 1 to 3 carbon atoms; W 41 independently represents hydrogen, halogen, alkyl having from 1 to 3 carbon atoms or fluoroalkyl having from 1 to 3 carbon atoms; W 42 independently represents hydrogen, halogen, alkyl having from 1 to 8 carbon atoms or fluoroalkyl having from 1 to 3 carbon atoms; ring A 4 independently represents 1,4-phenylene or 1,4-cyclohexylene; X 41 and X 42 each independently represent a single bond, —COO—, —OCO—, —CH═CH—COO—, —OCO—CH═CH—, —(CH 2 ) 2 —COO—, —OCO—(CH 2 ) 2 —, —(CH 2 ) 2 —, —CH 2 O— or —OCH 2 —; r represents 0 or 1; Y 4 independently represents a single bond, alkylene having from 1 to 20 carbon atoms, —O—, —COO—, —OCO— or —OCOO—; and n4 independently represents an integer of from 0 to 20, provided that when n4 is 0, Y 4 represents a single bond or alkylene having from 1 to 20 carbon atoms, in the formulae (5-1) and (5-2), R 5 independently represents methyl or ethyl; n5 represents an integer of from 1 to 5; R 51 represents alkyl having from 1 to 4 carbon atoms; m represents an integer of from 1 to 3; Y 5 represents alkylene having from 1 to 10 carbon atoms; R 52 represents hydrogen or alkyl having from 1 to 10 carbon atoms; and R 53 represents alkyl having from 1 to 10 carbon atoms, and in the formula (2-1), A 2 represents a divalent group represented by one of the formulae (A2-1) to (A2-19):