Patent ID: 7955665
Filing Date: 2011-06-07
Classification: C09D,C09K,G02B,G02F

Abstract:
1. A photoalignment film composition comprising: a compound represented by general formula (1): (wherein, R 1 and R 2 respectively and independently represent a hydrogen atom, halogen atom, carboxyl group or alkali metal salt thereof, halogenated methyl group, halogenated methoxy group, cyano group, nitro group, —OR 5 (provided that R 5 represents an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms or an alkyl group having 1 to 6 carbon atoms substituted with an alkoxy group having 1 to 6 carbon atoms), hydroxylalkyl group having 1 to 4 carbon atoms, —CONR 6 R 7 (provided that R 6 and R 7 respectively and independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms) or methoxycarbonyl group, and R 3 and R 4 respectively and independently represent a carboxyl group or alkali metal salt thereof, sulfo group or alkali metal salt thereof, nitro group, amino group, carbamoyl group, alkoxycarbonyl group, sulfamoyl group or hydroxyl group), wherein the compound represented by general formula (1) is a compound (1-1) wherein R 3 and R 4 in general formula (1) represent a sulfo group or an alkali metal salt thereof; at least one compound (2) selected from the group consisting of a compound represented by general formula (2-1), a compound represented by general formula (2-2) and a triphenylene (2-3) having a hydroxyl group as a substituent thereof, and the ratio of the compound (1-1) to the compound (2) is within the range of 1:0.1 to 1:10: (wherein, R ˜ and R 12 respectively and independently represent a hydroxyl group or a polymerizable functional group selected from the group consisting of a (meth)acryloyloxy group, (meth)acrylamide group, vinyl group, vinyloxy group and maleimide group, X 11 represents a single bond in the case R 11 represents a hydroxyl group or represents a linking group represented by -(A 1 -B 1 ) m - in the case R 11 represents a polymerizable functional group, X 12 represents a single bond in the case R 12 represents a hydroxyl group or represents a linking group represented by -(A 2 -B 2 ) n - in the case R 12 represents a polymerizable functional group, A 1 is bonded to R 11 while A 2 is bonded to R 12 , A 1 and A 2 respectively and independently represent a single bond or a divalent hydrocarbon group, B 1 and B 2 respectively and independently represent a single bond, —O—, —CO—O—, —O—CO—, —CO—NH—, —NH—CO—, —NH—CO—O— or —O—CO—NH—, and m and n respectively and independently represent an integer of 1 to 4, provided that when m or n is 2 or more, the plurality of A 1 , B 1 , A 2 and B 2 may be the same or different, and provided that A 1 or A 2 interposed between two B 1 or B 2 is not a single bond, R 13 and R 14 respectively and independently represent a hydrogen atom, halogen atom, carboxyl group or alkali metal salt thereof, halogenated methyl group, halogenated methoxy group, cyano group, nitro group, —OR 17 (provided that R 17 represents an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, or an alkyl group having 1 to 6 carbon atoms substituted with an alkoxy group having 1 to 6 carbon atoms), hydroxylalkyl group having 1 to 4 carbon atoms, —CONR 18 R 19 (provided that R 18 and R 19 respectively and independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms) or methoxycarbonyl group, and R 15 and R 16 respectively and independently represent a carbamoyl group or sulfamoyl group); (wherein, R 21 and R 22 respectively and independently represent a hydrogen atom, alkyl group having 1 to 6 carbon atoms or alkoxy group having 1 to 6 carbon atoms, and A 11 and A l2 respectively and independently represent a naphthalene ring having an amino group, and a sulfo group or an alkali metal salt thereof as a substituent, or a benzene ring having an amino group, and a sulfo group or an alkali metal salt thereof as a substituent); and a compound having a hydrophilic group and a (meth)acryloyloxy group.