Polymerizable liquid crystal composition, method for producing polymerizable liquid crystal composition, optically anisotropic film, optical film, polarizing plate, and image display device

A polymerizable liquid crystal composition comprising:

• a polymerizable liquid crystal compound P1 represented by Formula (1);
• a polymerizable liquid crystal compound P2 represented by Formula (2);
• and
• a polymerizable liquid crystal compound P3 represented by Formula (3),
• A-Ar-A (1)
• A-Ar-B (2)
• B-Ar-B (3)
• in Formulae (1) and (2), A's represent side chains represented by Formula (4), all of which exhibit the same C log P value, and in Formulae (2) and (3), B's represent side chains represented by Formula (5), all of which exhibit the same C log P value, provided that A and B represent side chains having C log P values different from each other, in which the C log P value of A is larger than the C log P value of B and the C log P value of at least one of A or B is 3.3 or more,
• *-D1-(A1-E1)n-SP1-L1 (4)
• *-D2-(A2-E2)n-SP2-L2 (5)
• in Formulae (4) and (5), * represents a bonding position to Ar, and n and m each independently represent an integer of 1 or more,
• D1, D2, E1, and E2 each independently represent a single bond, or a divalent linking group consisting of —CO—, —O—, —S—, —C(═S)—, —CR1R2—, —CR3═CR4—, —NR5—, or a combination of two or more thereof, R1 to R5 each independently represent a hydrogen atom, a fluorine atom, or an alkyl group having 1 to 4 carbon atoms, in a case where n is an integer of 2 or more, a plurality of E1's may be the same as or different from each other, and in a case where m is an integer of 2 or more, a plurality of E2's may be the same as or different from each other,
• A1 and A2 each independently represent an aromatic ring having 6 or more carbon atoms, which may have a substituent, or a cycloalkane ring having 6 or more carbon atoms, which may have a substituent, in a case where n is an integer of 2 or more, a plurality of A1's may be the same as or different from each other, and in a case where m is an integer of 2 or more, a plurality of A2's may be the same as or different from each other,
• SP1 and SP2 each independently represent a single bond, or a linear or branched alkylene group having 1 to 20 carbon atoms, a linear or branched alkenylene group having 2 to 20 carbon atoms, a linear or branched alkynylene group having 2 to 20 carbon atoms, or a divalent linking group in which one or more of —CH2-'s constituting the alkylene group, the alkenylene group, and the alkynylene group are substituted with —O—, —S—, —NH—, —N(Q)-, or —CO—, and Q represents a substituent,
• L1 and L2 each independently represent a monovalent organic group, and at least one of L1 or L2 represents a polymerizable group, provided that in a case where Ar in Formulae (1) to (3) is an aromatic ring represented by Formula (Ar-3), at least one of L1 or L2, or L3 or L4 in Formula (Ar-3) represents a polymerizable group, and
• in Formulae (1) to (3), Ar represents any aromatic ring selected from the group consisting of groups represented by Formulae (Ar-1) to (Ar-5),
• in Formulae (Ar-1) to (Ar-5), * represents a bonding position to D1 or D2,
• Q1 represents N or CH,
• Q2 represents —S—, —O—, or —N(R6)—, and R6 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms,
• Y1 represents an aromatic hydrocarbon group having 6 to 12 carbon atoms or an aromatic heterocyclic group having 3 to 12 carbon atoms, each of which may have a substituent,
• Z1, Z2, and Z3 each independently represent a hydrogen atom, a monovalent aliphatic hydrocarbon group having 1 to 20 carbon atoms, a monovalent alicyclic hydrocarbon group having 3 to 20 carbon atoms, a monovalent aromatic hydrocarbon group having 6 to 20 carbon atoms, a halogen atom, a cyano group, a nitro group, —OR7, —NR8R9, or —SR10, R7 to R10 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and Z1 and Z2 may be bonded to each other to form an aromatic ring,
• A3 and A4 each independently represent a group selected from the group consisting of —O—, —N(R11)—, —S—, and —CO—, and R11 represents a hydrogen atom or a substituent.
• X represents a hydrogen atom or a non-metal atom of Group XIV to XVI to which a substituent may be bonded,
• D3 and D4 each independently represent a single bond, or a divalent linking group consisting of —CO—, —O—, —S—, —C(═S)—, —CR1R2—, —CR3═CR4—, —NR5—, or a combination of two or more thereof, and R1 to R5 each independently represent a hydrogen atom, a fluorine atom, or an alkyl group having 1 to 4 carbon atoms,
• SP3 and SP4 each independently represent a single bond, or a linear or branched alkylene group having 1 to 20 carbon atoms, a linear or branched alkenylene group having 2 to 20 carbon atoms, a linear or branched alkynylene group having 2 to 20 carbon atoms, or a divalent linking group in which one or more of —CH2-'s constituting the alkylene group, the alkenylene group, and the alkynylene group are substituted with —O—, —S—, —NH—, —N(Q)-, or —CO—, and Q represents a substituent,
• L3 and L4 each independently represent a monovalent organic group, and at least one of L3 or L4, or L1 or L2 represents a polymerizable group,
• Ax represents an organic group having 2 to 30 carbon atoms, which has at least one aromatic ring selected from the group consisting of an aromatic hydrocarbon ring and an aromatic heterocyclic ring,
• Ay represents a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, which may have a substituent, or an organic group having 2 to 30 carbon atoms, which has at least one aromatic ring selected from the group consisting of an aromatic hydrocarbon ring and an aromatic heterocyclic ring,
• the aromatic rings in each of Ax and Ay may have a substituent, and Ax and Ay may be bonded to each other to form a ring, and
• Q3 represents a hydrogen atom, or an alkyl group having 1 to 6 carbon atoms, which may have a substituent.