Patent ID: 7629051
Filing Date: 2009-12-08
Classification: C09K,G02B,Y10T

Abstract:
1. An antireflective film comprising a support and at least one layer including an antireflective layer, wherein at least one of the at least one layer is a layer formed by curing by ionizing radiation a composition which contains a fluorinated photopolymerization initiator and an ionizing radiation-curing compound, wherein the composition further contains a nonfluorinated photopolymerization initiator, wherein the fluorinated photopolymerization initiator is represented by any one of the following formulae (1) to (5): wherein Y represents a halogen atom; Y 1 represents —CY 3 , —NH 2 , —NHR′, —NR 2 or —OR′ in which R′ represents an alkyl group, a fluoroalkyl group or an aryl group; and R represents R a —Y 1 —, R a —Y 1 —(CH 2 ) r —R a —(CH 2 ) r —Y 1 —, R a —Y 1 —(CH 2 ) s —O—, R a —Y 1 —(CH 2 ) s —S—, R a —Y 1 —(CH 2 ) s —NR 1 —, —CY 3 , an alkyl group, a substituted alkyl group, a fluoroalkyl group, a substituted fluoroalkyl group, an aryl group, a substituted aryl group or a substituted alkenyl group, in which R 1 represents a hydrogen atom, a methyl group or an ethyl group; r represents an integer of from 1 to 10; s represents an integer of from 2 to 10; Y 1 's each independently represent a divalent group selected from the group consisting of —O—, —S—, —O—C(═O)— and —O—Si(R 2 ) 2 —(CH 2 ) r —; R 2 represents an alkyl group having from 1 to 12 carbon atoms or a phenyl group; and R a represents a linear or branched terminal chain: Z 1 CF 2 (—O—C 2 F 4 ) p —(CF 2 ) q — in which Z 1 represents H or F; and one of p and q represents an integer of from 0 to 20 while the other represents an integer of from 1 to 20; wherein A 1 represents a phenyl group, a naphthyl group, a substituted phenyl group or a substituted naphthyl group, R a —Y 1 —, R a —Y 1 —(CH 2 ) r —, R a —(CH 2 ) r —Y 1 —, R a —Y 1 —(CH 2 ) s —O—, R a —Y 1 —(CH 2 ) s —S—, R a —Y 1 —(CH 2 ) s —NR 1 —, —CY 3 , an alkyl group, a substituted alkyl group, a fluoroalkyl group, a substituted fluoroalkyl group, an aryl group, a substituted aryl group or a substituted alkenyl group, in which R 1 represents a hydrogen atom, a methyl group or an ethyl group: r represents an integer of from 1 to 10; s represents an integer of from 2 to 10; Y 1 's each independently represent a divalent group selected from the group consisting of —O—, —S—, —O—C(═O)— and —O—Si(R 2 ) 2 —(CH 2 ) r —; R 2 represents an alkyl group having from 1 to 12 carbon atoms or a phenyl group; and R a represents a linear or branched terminal chain: Z 1 CF 2 (—O—C 2 F 4 ) p —(CF 2 ) q — in which Z 1 represents H or F; and one of p and q represents an integer of from 0 to 20 while the other represents an integer of from 1 to 20, in which the substituent for the substituted phenyl group and a substituent for the substituted naphthyl group are each independently a halogen atom, an alkyl group, a fluoroalkyl group, an alkoxy group, a nitro group, a cyano group or a methylenedioxy group; Y represents a halogen atom; and n represents an integer of from 1 to 3; wherein W represents an unsubstituted or substituted phenyl group, an unsubstituted naphthyl group, R a —Y 1 —, R a —Y 1 —(CH 2 ) r —, R a —(CH 2 ) r —Y 1 —, R a —Y 1 —(CH 2 ) s —O—, R a —Y 1 —(CH 2 ) s —S—, R a —Y 1 —(CH 2 ) s —NR 1 —, —CY 3 , an alkyl group, a substituted alkyl group, a fluoroalkyl group, a substituted fluoroalkyl group, an aryl group, a substituted aryl group or a substituted alkenyl group, in which R 1 represents a hydrogen atom, a methyl group or an ethyl group; r represents an integer of from 1 to 10; s represents an integer of from 2 to 10; Y 1 's each independently represent a divalent group selected from the group consisting of —O—, —S—, —O—C(═O)— and —O—Si(R 2 ) 2 —(CH 2 ) r —; R 2 represents an alkyl group having from 1 to 12 carbon atoms or a phenyl group; and R a represents a linear or branched terminal chain; Z 1 CF 2 (—O—C 2 F 4 ) p —(CF 2 ) q — in which Z 1 represents H or F; and one of p and q represents an integer of from 0 to 20 while the other represents an integer of from 1 to 20, in which the substituent for the substituted phenyl group is a halogen atom, a nitro group, a cyano group, an alkyl group having from 1 to 3 carbon atoms or an alkoxy group having from 1 to 4 carbon atoms; in a case where a halogen atom is contained as the substituent for the substituted phenyl group, the phenyl group has one or two substituents, and in a case where a halogen atom is not contained as the substituent for the substituted phenyl group, the phenyl group has a single substituent; X 1 represents a hydrogen atom, a phenyl group or an alkyl group having from 1 to 3 carbon atoms; Y represents a halogen atom; and n represents an integer of from 1 to 3; wherein W 1 represents an unsubstituted or substituted phenyl group, an unsubstituted naphthyl group, R a —Y 1 —, R a —Y 1 —(CH 2 ) r —, R a —(CH 2 ) r —Y 1 —, R a —Y 1 —(CH 2 ) s —O—, R a —Y 1 —(CH 2 ) s —S—, R a —Y 1 —(CH 2 ) s —NR 1 —, —CY 3 , an alkyl group, a substituted alkyl group, a fluoroalkyl group, a substituted fluoroalkyl group, an aryl group, a substituted aryl group or a substituted alkenyl group, in which R 1 represents a hydrogen atom, a methyl group or an ethyl group; r represents an integer of from 1 to 10; s represents an integer of from 2 to 10; Y 1 's each independently represent a divalent group selected from the group consisting of —O—, —S—, —O—C(═O)— and —O—Si(R 2 ) 2 —(CH 2 ) r —; R 2 represents an alkyl group having from 1 to 12 carbon atoms or a phenyl group; and R a represents a linear or branched terminal chain: Z 1 CF 2 (—O—C 2 F 4 ) p —(CF 2 ) q — in which Z 1 represents H or F; and one of p and q represents an integer of from 0 to 20 while the other represents an integer of from 1 to 20, in which the substituent for the substituted phenyl group is a halogen atom, a nitro group, a cyano group, an alkyl group having from 1 to 3 carbon atoms or an alkoxy group having from 1 to 4 carbon atoms; in a case where a halogen atom is contained as the substituent for the substituted phenyl group, the phenyl group has one or two substituents and in a case where a halogen atom is not contained as the substituent for the substituted phenyl group, the phenyl group has a single substituent; X 2 represents a hydrogen atom, a halogen atom, a cyano group, an alkyl group or an allyl group; Y represents a halogen atom; and n represents an integer of from 1 to 3; wherein Z represents an unsubstituted or substituted phenyl group, an unsubstituted naphthyl group, a fluoroalkyl group, R a —Y 1 —, R a —Y 1 —(CH 2 ) r —, R a —(CH 2 ) r —Y 1 —, R a —Y 1 —(CH 2 ) s —O—, R a —Y 1 —(CH 2 ) s —S—, R a —Y 1 —(CH 2 ) s —NR 1 —, CY 3 , an alkyl group, a substituted alkyl group, a fluoroalkyl group, a substituted fluoroalkyl group, an aryl group, a substituted aryl group or a substituted alkenyl group, in which R 1 represents a hydrogen atom, a methyl group or an ethyl group; r represents an integer of from 1 to 10; s represents an integer of from 2 to 10; Y 1 's each independently represent a divalent group selected from the group consisting of —O—, —S—, —O—C(═O)— and —O—Si(R 2 ) 2 —(CH 2 ) r —; R 2 represents an alkyl group having from 1 to 12 carbon atoms or a phenyl group; and R a represents a linear or branched terminal chain: Z 1 CF 2 (—O—C 2 F 4 ) p —(CF 2 ) q — in which Z 1 represents H or F; and one of p and q represents an integer of from 0 to 20 while the other represents an integer of from 1 to 20, in which the substituent for the substituted phenyl group is a halogen atom, a nitro group, a cyano group, an alkyl group having from 1 to 3 carbon atoms or an alkoxy group having from 1 to 4 carbon atoms; X's each independently represents a hydrogen atom, a halogen atom, an alkyl group, R a —Y 1 —, R a —Y 1 —(CH 2 ) r —, R a —(CH 2 ) r —Y 1 —, R a —Y 1 —(CH 2 ) s —O—, R