Polymerizable composition and optically anisotropic body using same

A polymerizable composition comprising:

• a) a polymerizable compound having one polymerizable group or two or more polymerizable groups and satisfying formula (I)
• Re(450 nm)/Re(550 nm)<1.0 (I)
• wherein Re(450 nm) is an in-plane retardation at a wavelength of 450 nm when the polymerizable compound having one polymerizable group is aligned on a substrate such that the direction of long axes of molecules of the polymerizable compound is horizontal to the substrate, and Re(550 nm) is an in-plane retardation at a wavelength of 550 nm when the polymerizable compound having one polymerizable group is aligned on the substrate such that the direction of the long axes of the molecules of the polymerizable compound is horizontal to the substrate;
• and
• b) at least one fluorosurfactant selected from the group consisting of compounds denoted by a general formula (III-1) and compounds denoted by a general formula (III-2)
• wherein X1 represents an alkylene group;
• s1 represents a numerical value of 1 to 80;
• s2 to s4 each independently represent a numerical value of 0 to 79;
• s1+s2+s3+s4 represents a numerical value of 4 to 80;
• A1 represents a fluoroalkyl group or a fluoroalkenyl group;
• and A2 to A4 each independently represent a hydrogen atom, an acryloyl group, a methacryloyl group, a fluoroalkyl group, or a fluoroalkenyl group;
• wherein X2, X3, X4, and X5 each independently represent a single bond, —O—, —S—, —CO—, an alkyl group having 1 to 4 carbon atoms, or an oxyalkylene group;
• As represents a fluoroalkyl group or a fluoroalkenyl group;
• and A6 to A10 each independently represent a hydrogen atom, an acryloyl group, a methacryloyl group, a fluoroalkyl group, or a fluoroalkenyl group, and
• wherein the polymerizable compound having one polymerizable group or two or more polymerizable groups and satisfying formula (I) comprises at least one selected from liquid crystalline compounds represented by general formulas (1) to (7):
• wherein P11 to P74 each represent a polymerizable group;
• S11 to S72 each represent a spacer group or a single bond;
• when a plurality of S11s to S72s are present, they are the same or different;
• X11 to X72 each represent —O—, —S, —OCH2, —CH2O—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, —SCH2—, —CH2S—, —CF2O—, —OCF2—, —CF2S—, —SCF2—, —CH═CH—COO—, —CH═CH—OCO—, —COO—CH═CH—, —OCO—CH═CH—, —COO—CH2CH2—, —OCO—CH2CH2—, —CH2CH2—COO—, —CH2CH2—OCO—, —COO—CH2—, —OCO—CH2—, —CH2—COO—, —CH2—OCO—, —CH═CH—, —N═N—, —CH═N—N═CH—, —CF═CF—, —C≡C—, or a single bond provided that each P—(S—X)— bond contains no —O—O—;
• when a plurality of X11 s to X72 s are present, they are the same or different;
• MG11 to MG71 each independently represent formula (a):
• wherein A11 and A12 each independently represent a 1,4-phenylene group, a 1,4-cyclohexylene group, a pyridine-2,5-diyl group, a pyrimidine-2,5-diyl group, a naphthalene-2,6-diyl group, a naphthalene-1,4-diyl group, a tetrahydronaphthalene-2,6-diyl group, a decahydronaphthalene-2,6-diyl group, or a 1,3-dioxane-2,5-diyl group, each of which are unsubstituted or substituted by at least one L1;
• when a plurality of A11s and/or A12s are present, they are the same or different;
• Z11 and Z12 each independently represent —O—, —S—, —OCH2—, —CH2O—, —CH2CH2—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, —SCH2—, —CH2S—, —CF2O—, —OCF2—, —CF2S—, —SCF2—, —CH═CH—OCO—, —CH═CH—OCO—, —COO—CH═CH—, —OCO—CH═CH—, —COO—CH2CH2—, —OCO—CH2CH2—, —CH2CH2—COO—, —CH2CH2—OCO—, —COO—CH2—, —OCO—CH2—, —CH2—COO—, —CH2—OCO—, —CH═CH—, —N═N—, —CH═N—, —N═CH—, —CH═N—N═CH—, —CF═CF—, —C≡C—, or a single bond;
• when a plurality of Z11s and/or Z12s are present, they are the same or different;
• wherein at least one of Z11 and Z12 in general formula (a) is —OCH2— or —CH2O—,
• M represents a group selected from formula (M-1) to formula (M-11) below:
• the groups represented by formula (M-1) to formula (M-11) are unsubstituted or substituted by at least one L1;
• G is one of formula (G-1) to formula (G-6) below:
• wherein R3 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, the alkyl group being linear or an alkyl group having 3 to 20 carbon atoms, the alkyl group being branched, any hydrogen atom in the alkyl group being optionally replaced by a fluorine atom, one —CH2— group or two or more nonadjacent —CH2— groups in the alkyl group being each independently optionally replaced by —O—, —S—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, or —C≡C—;
• W81 represents a group that has at least one aromatic group and has 5 to 30 carbon atoms and that is unsubstituted or substituted by at least one L1;
• W82 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, the alkyl group being linear or an alkyl group having 3 to 20 carbon atoms, the alkyl group being branched, any hydrogen atom in the alkyl group being optionally replaced by a fluorine atom, one —CH2— group or two or more nonadjacent —CH2— groups in the alkyl group being each independently optionally replaced by —O—, —S—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, —CH═CH—COO—, —CH═CH—OCO—, —COO—CH═CH—, —OCO—CH═CH—, —CH═CH—, —CF═CF—, or —C≡C—;
• the meaning of W82 is the same as the meaning of W81;
• alternatively, W82 represents the following group:
• wherein the meaning of PW82 is the same as the meaning of P11;
• the meaning of SW82 is the same as the meaning of S11;
• the meaning of XW82 is the same as the meaning of X11;
• and the meaning of nW82 is the same as the meaning of m11;
• W83 and W84 are each independently a halogen atom, a hydroxy group, a nitro group, a carboxyl group, a carbamoyloxy group, an amino group, a sulfamoyl group, a group having at least one aromatic group and having 5 to 30 carbon atoms, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, a cycloalkenyl group having 3 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an acyloxy group having 2 to 20 carbon atoms, or an alkylcarbonyloxy group having 2 to 20 carbon atoms, one —CH2— group or two or more nonadjacent —CH2— groups in each of the alkyl group, the cycloalkyl group, the alkenyl group, the cycloalkenyl group, the alkoxy group, the acyloxy group, and the alkylcarbonyloxy group being each independently optionally replaced by —O—, —S—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, or —C≡C—;
• when M is selected from formula (M-1) to formula (M-10), G is selected from formula (G-1) to formula (G-5);
• when M represents formula (M-11), G represents formula (G-6);
• L1 represents a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a pentafluorosulfuranyl group, a nitro group, an isocyano group, an amino group, a hydroxyl group, a mercapto group, a methylamino group, a dimethylamino group, a diethylamino group, a diisopropylamino group, a trimethylsilyl group, a dimethylsilyl group, a thioisocyano group, or an alkyl group having 1 to 20 carbon atoms, the alkyl group being linear or an alkyl group having 3 to 20 carbon atoms, the alkyl group being branched, any hydrogen atom in the alkyl group being optionally replaced by a fluorine atom, one —CH2— group or two or more nonadjacent —CH2— groups in the alkyl group being each independently optionally replaced by a group selected from —O—, —S—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, —CH═CH—COO—, —CH═CH—OCO—, —COO—CH═CH—, —OCO—CH═CH—, —CH═CH—, —CF═CF—, and —C≡C—;
• when a plurality of L1s are present in the compound, they are the same or different;
• j11 represents an integer from 1 to 5;
• and j12 represents an integer of 1 to 5 while j11+j12 is an integer from 2 to 5);
• R11 and R31 each represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a pentafluorosulfuranyl group, a cyano group, a nitro group, an isocyano group, a thioisocyano group, or an alkyl group having 1 to 20 carbon atoms, the alkyl group being linear or an alkyl group having 3 to 20 carbon atoms, the alkyl group being branched, any hydrogen atom in the alkyl group being optionally replaced by a fluorine atom, one —CH2— group or two or more nonadjacent —CH2— groups in the alkyl group being each independently optionally replaced by —O—, —S—, —CO—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —CO—NH—, —NH—CO—, or —C≡C—;
• m11 represents an integer of 0 to 8;
• and m2 to m7, n2 to n7, 14 to 16, and k6 each independently represent an integer from 0 to 5.