Curable composition, negative type color filter and method of producing the same
View Patent ↗A curable composition and a negative type color filter including a compound represented by the following formula (1). A is a residue of a five-membered heterocyclic diazo component A-NH 2 . B 1 and B 2 are each —CR 1 ═, —CR 2 ═ or N. R 5 and R 6 are each H, an aliphatic group, an aromatic group, a heterocyclic group or the like. G, R 1 and R 2 are each H, a halogen, an aliphatic group, an aromatic group, a heterocyclic group, a cyano group, a carboxyl group, a carbamoyl group, an alkoxycarbonyl group or the like. R 1 and R 5 , or R 5 and R 6 may be bonded with each other to form a five-membered or six-membered ring.
1. A negative type color filter obtained by using a curable composition comprising a compound represented by the following formula (2), a monomer having an ethylenically unsaturated group, a binder, and a photopolymerization initiator:
wherein Z 1 is a cyano group; Z 2 represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group, R 1 and R 2 each independently represent a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, a heterocyclic group, a cyano group, a carboxyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, a hydroxy group, an alkoxy group, an aryloxy group, a silyloxy group, an acyloxy group, a carbamoyloxy group, a heterocyclic oxy group, an alkoxycarbonyloxy group, an aryloxycarbonyloxy group, an amino group substituted with an alkyl group, aryl group or heterocyclic group, an acylamino group, a ureide group, a sulfamoylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, an aryloxycarbonylamino group, a nitro group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a sulfamoyl group, a sulfo group or a heterocyclic thio group; R 3 and R 4 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, a sulfonyl group or a sulfamoyl group; R 5 and R 6 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an alkylsulfonyl group, an arylsulfonyl group or a sulfamoyl group provided that R 5 and R 6 do not both represent hydrogen atoms at the same time; R 1 and R 5 , and/or R 5 and R 6 may be bonded with each other to form a five-membered or six-membered ring; and Q represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group.
2. The negative type color filter according to claim 1 , wherein R 3 and R 4 in the formula (2) are each independently one selected from the group consisting of a hydrogen atom, an aromatic group, a heterocyclic group, an acyl group, an alkylsulfonyl group or an arylsulfonyl group.
3. The negative type color filter according to claim 1 , wherein the monomer having an ethylenically unsaturated group has a boiling point of 100° C. or higher at a normal pressure.
4. The negative type color filter according to claim 1 , wherein the photopolymerization initiator is an oxime compound.
5. The negative type color filter according to claim 1 , wherein the binder is a linear organic high molecular weight polymer.
6. The negative type color filter according to claim 1 , wherein the binder is an acrylic resin.
7. The negative type color filter according to claim 1 , wherein the curable composition further comprises a fluorine type surfactant.
8. The negative type color filter according to claim 1 , wherein the curable composition further comprises a crosslinking agent.
9. The negative type color filter according to claim 1 , wherein the photopolymerization initiator contained in the curable composition consists essentially of one or more trihalomethyltriazine compounds.
10. A method of producing a negative type color filter, the method comprising:
applying a curable composition to a support,
exposing the curable composition to light through a mask, and
developing the curable composition to form a pattern image,
wherein the curable composition comprises a compound represented by the following formula (2), a monomer having an ethylenically unsaturated group, a binder, and a photopolymerization initiator:
wherein Z 1 is a cyano group; Z 2 represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group, R 1 and R 2 each independently represent a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, a heterocyclic group, a cyano group, a carboxyl group, a carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyl group, a hydroxy group, an alkoxy group, an aryloxy group, a silyloxy group, an acyloxy group, a carbamoyloxy group, a heterocyclic oxy group, an alkoxycarbonyloxy group, an aryloxycarbonyloxy group, an amino group substituted with an alkyl group, aryl group or heterocyclic group, an acylamino group, a ureide group, a sulfamoylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, an aryloxycarbonylamino group, a nitro group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a sulfamoyl group, a sulfo group or a heterocyclic thio group; R 3 and R 4 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, a sulfonyl group or a sulfamoyl group; R 5 and R 6 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, an alkylsulfonyl group, an arylsulfonyl group or a sulfamoyl group provided that R 5 and R 6 do not both represent hydrogen atoms at the same time; R 1 and R 5 , and/or R 5 and R 6 may be bonded with each other to form a five-membered or six-membered ring; and Q represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group.
11. The method of producing a negative type color filter according to claim 10 , wherein the monomer having an ethylenically unsaturated group has a boiling point of 100° C. or higher at a normal pressure.
12. The method of producing a negative type color filter according to claim 10 , wherein the photopolymerization initiator is an oxime compound.
13. The method of producing a negative type color filter according to claim 10 , wherein the binder is a linear organic high molecular weight polymer.
14. The method of producing a negative type color filter according to claim 10 , wherein the binder is an acrylic resin.
15. The method of producing a negative type color filter according to claim 10 , wherein the curable composition further comprises a fluorine type surfactant.
16. The method of producing a negative type color filter according to claim 10 , wherein the curable composition further comprises a crosslinking agent.
17. The method of producing a negative type color filter according to claim 10 , wherein the photopolymerization initiator contained in the curable composition consists essentially of one or more trihalomethyltriazine compounds.