Liquid crystal orientation promoter, liquid crystalline composition, macromolecular material and film

摘要

A liquid crystal orientation promoter including a compound represented by the following formula (I) is a material that exhibits a sufficient solubility, has a wide available concentration range, and exhibits excellent liquid crystal orientation promoting property [L1 to L6 represent a single bond, —O—, —CO—, —COO— and the like; Sp represents a single bond or an alkylene group having 1 to 10 carbon atoms; A1 and A2 represent a divalent aromatic hydrocarbon group or a heterocyclic group; T represents the following linking group or the like; Hb represents an alkyl fluoride group having 3 to 30 carbon atoms; k, l, m, n and p represent integers of 0 or more; and o represents an integer of 1 to 4].;

主权项

1. A liquid crystalline composition comprising polymerizable liquid crystalline molecules and a compound represented by the formula (I):
Hb-(L1)k-Sp-(L2-A1)l-L3-T-L4-(A2-L5)m-Sp-(L6)n-Hb  Formula (I)wherein:
each of L1, L2, L3, L4, L5 and L6 independently represents a single bond, —O—, —S—, —CO—, —COO—, —OCO—, —COS—, —SCO—, —NRCO— or —CONR— in which R represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; Sp represents a single bond or an alkylene group having 1 to 10 carbon atoms, in which non-adjacent methylene groups in the alkylene may be substituted by —O—, —S—, —CO—, —COO—, —OCO—, —COS—, —SCO—, —NRCO—, —CONR— or —OH, each of A1 and A2 independently represents a divalent aromatic hydrocarbon group or a heterocyclic group, T represents a divalent group or an aromatic heterocyclic group represented byin which X represents an alkyl group having 1 to 8 carbon atoms, an alkoxy group, a halogen atom, a cyano group or —COOR0, R0 represents a hydrogen atom, an alkyl group or an alkyl fluoride group in which an adjacent CH2 may be substituted by O or S, or -Sp5-P, Sp5 represents a single bond or an alkylene group having 1 to 10 carbon atoms in which a hydrogen atom in the alkylene group may be substituted by a fluorine atom, and P represents a polymerizable group, and each of Ya, Yb, Yc and Yd independently represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms;
Hb represents an alkyl fluoride group having 3 to 30 carbon atoms, and each of k, l, m, n and p independently represents an integer of 0 or more, o is any integer of 1 to 4, and when k, l, m, n, o and p are 2 or more, a plurality of structures in parentheses may be equal or different.