Patent ID: 9719018
Date: 2017-08-01
CPC Classifications: C07C,C07J,C09K,G02F

Claim:
1. A liquid crystal composition comprising a liquid crystal material and one or more kinds of monomers, the one or more monomers including: a first monomer produced by further bonding a hydrocarbon group with 12 carbon atoms or more to a compound produced by bonding two polymerizable groups to a cyclic aliphatic compound or aromatic compound with 6 carbon atoms or more; and a second monomer having a structure for producing a radical by light irradiation; wherein the first monomer produced by further bonding a hydrocarbon group with 12 carbon atoms or more to a compound produced by bonding two polymerizable groups to the cyclic aliphatic compound or aromatic compound with 6 carbon atoms or more is a compound represented by the following formula (2): in the formula, P and P are the same or different, and denote a (meth)acryloyloxy, (meth)acryloylamino, vinyl, or vinyloxy group; A the trivalent, alicyclic, aromatic monocyclic, or condensed polycyclic hydrocarbon group is selected from the group consisting of benzene-1,2,3-triyl, benzene-1,2,4-triyl, benzene-1,3,5-triyl, pyridine-2,3,4-triyl, pyridine-2,3,5-triyl, pyridine-2,4,6-triyl, naphthalene-1,2,5-triyl, naphthalene-1,2,6-triyl, naphthalene-1,2,7-triyl, naphthalene-1,2,8-triyl, naphthalene-1,3,5-triyl, naphthalene-1,3,6-triyl, naphthalene-1,3,7-triyl, naphthalene-1,3,8-triyl, naphthalene-1,4,5-triyl, naphthalene-1,4,6-triyl, naphthalene-1,4,7-triyl, naphthalene-1,6,7-triyl, naphthalene-1,6,8-triyl, naphthalene-2,3,6-triyl, cyclohexane-1,2,3-triyl, cyclohexane-1,2,4-triyl, cyclohexane-1,3,5-triyl, decahydronaphthalene-1,2,5-triyl, decahydronaphthalene-1,2,6-triyl, decahydronaphthalene-1,2,7-triyl, decahydronaphthalene-1,2,8-triyl, decahydronaphthalene-1,3,5-triyl, decahydronaphthalene-1,3,6-triyl, decahydronaphthalene-1,3,7-triyl, decahydronaphthalene-1,3,8-triyl, decahydronaphthalene-1,4,5-triyl, decahydronaphthalene-1,4,6-triyl, decahydronaphthalene-1,4,7-triyl, decahydronaphthalene-1,6,7-triyl, decahydronaphthalene-1,6,8-triyl, decahydronaphthalene-2,3,6-triyl, indan-1,1,5-triyl, indan-1,1,6-triyl, indan-1,3,5-triyl, indan-1,3,6-triyl, phenanthrene-1,2,6-triyl, phenanthrene-1,2,7-triyl, phenanthrene-1,2,8-triyl, phenanthrene-1,2,9-triyl, phenanthrene-1,3,6-triyl, phenanthrene-1,3,7-triyl, phenanthrene-1,3,8-triyl, phenanthrene-1,3,9-triyl, phenanthrene-1,6,7-triyl, phenanthrene-1,6,9-triyl, phenanthrene-1,7,9-triyl, phenanthrene-1,8,9-triyl, phenanthrene-1,9,10-triyl, phenanthrene-2,3,6-triyl, phenanthrene-2,3,7-triyl, phenanthrene-2,3,9-triyl, phenanthrene-2,7,9-triyl, phenanthrene-2,9,10-triyl, phenanthrene-3,6,7-triyl, phenanthrene-3,6,9-triyl, phenanthrene-3,9,10-triyl, anthracene-1,2,5-triyl, anthracene-1,2,6-triyl, anthracene-1,2,7-triyl, anthracene-1,2,8-triyl, anthracene-1,2,9-triyl, anthracene-1,2,10-triyl, anthracene-1,3,5-triyl, anthracene-1,3,6-triyl, anthracene-1,3,7-triyl, anthracene-1,3,8-triyl, anthracene-1,3,9-triyl, anthracene-1,3,10-triyl, anthracene-1,4,5-triyl, anthracene-1,4,6-triyl, anthracene-1,4,8-triyl, anthracene-1,4,9-triyl, anthracene-1,5,9-triyl, anthracene-1,6,7-triyl, anthracene-1,6,9-triyl, anthracene-1,7,9-triyl, anthracene-1,8,9-triyl, anthracene-1,9,10-triyl, anthracene-2,3,6-triyl, anthracene-2,3,9-triyl, anthracene-2,6,9-triyl, anthracene-2,7,9-triyl, anthracene-2,7,10-triyl, and anthracene-2,9,10-triyl group; A a —CH a —CH═ group included in A a hydrogen atom included in A Z L a —CH n the second monomer having a structure for producing a radical by light irradiation is at least one of: a compound represented by the following formula (4) and having a structure for producing a radical by hydrogen abstraction reaction by light irradiation, and a compound represented by the following formula (5) and having a structure for producing a radical by self-cleavage reaction by light irradiation; the formula (4) being: in the formula, A A at least one of A an aromatic ring included in at least one of A a hydrogen atom included in A two neighboring hydrogen atoms included in A a hydrogen atom included in the alkyl, the alkenyl, the alkylene, the alkenylene or the aralkyl group of A a —CH P denotes a radical polymerizable group; Sp m a dotted line part connecting A Y denotes —CH the formula (5) being: in the formula, R R P denotes a same or different radical polymerizable group and a total number is 2 or more; Sp Sp Sp Sp L in the case where two L L in the case where two L one or more hydrogen atoms included in the alkyl, the alkenyl, the alkylene, the alkenylene or the aralkyl group of L a —CH m m n n a total of m a total of m a total of m