Polymer compound and production method thereof, pigment dispersing agent, pigment dispersion composition, photocurable composition, and color filter and production method thereof
The present invention provides a polymer compound represented by the following Formula (1) and a method for production thereof, a pigment dispersant, a pigment dispersion composition, and a photocurable composition respectively using the polymer compound, and a color filter and a method for production thereof [R 1 : an organic linking group having a valency of (m+n); R 2 : a single bond or a divalent organic linking group; A 1 : a monovalent organic group containing at least one moiety selected from an organic dye structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, a urea group, a urethane group, a group having a coordinating oxygen atom, a hydrocarbon group having 4 or more carbon atoms, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group; m=1 to 8, n=2 to 9 (m+n=3 to 10); and P 1 : polymer skeleton].
1. A polymer compound represented by the following Formula (2):
wherein, in Formula (2), R 3 represents an organic linking group having a valency of (m+n); R 4 and R 5 each independently represents a single bond or a divalent organic linking group; A 2 represents a monovalent organic group comprising at least one moiety selected from an organic dye structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, a urea group, a urethane group, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group; A 2 s, n in number, are independent from each other and may be the same or different from each other; R 4 s, n in number, are independent from each other, and may be the same or different from each other; m is from 1 to 8; n is from 2 to 9; m+n is from 3 to 10; P 2 represents a polymer skeleton selected from a vinyl polymer or copolymer; when m is 2 or greater, R 5 -P 2 s, m in number, represent polymer skeletons that are the same as each other; and S represents a sulfur atom.
2. The polymer compound according to claim 1 , wherein A 2 is a monovalent organic group comprising at least one moiety selected from an organic dye structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, and a urea group.
3. The polymer compound according to claim 1 , wherein the polymer skeleton represented by P 2 is derived from at least one selected from a polymer or copolymer of a vinyl monomer.
4. The polymer compound according to claim 1 , wherein the polymer compound has a weight average molecular weight of 3,000 to 100,000.
5. The polymer compound according to claim 1 , wherein the polymer compound is obtained by performing a radical polymerization reaction in the presence of a compound represented by the following Formula (3):
wherein, in Formula (3), R 6 represents an organic linking group having a valency of (m+n); R 7 represents a single bond or a divalent organic linking group; A 3 represents a monovalent organic group comprising at least one moiety selected from an organic dye structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, a urea group, a urethane group, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group; A 3 s, n in number, are independent from each other, and may be the same or different from each other; R 7 s, n in number, are independent from each other, and may be the same or different from each other; m is from 1 to 8; n is from 2 to 9; and m+n is from 3 to 10.
6. A method for producing the polymer compound according to claim 1 , the method comprising performing a radical polymerization reaction using a compound represented by the following Formula (3) as a chain transfer agent:
wherein, in Formula (3), R 6 represents an organic linking group having a valency of (m+n); R 7 represents a single bond or a divalent organic linking group; A 3 represents a monovalent organic group comprising at least one moiety selected from an organic dye structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, a urea group, a urethane group, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group; A 3 s, n in number, are independent from each other, and may be the same or different from each other; R 7 s, n in number, are independent from each other, and may be the same or different from each other; m is from 1 to 8; n is from 2 to 9; S represents a sulfur atom, and m+n is from 3 to 10.
7. The method according to claim 6 , wherein the compound represented by Formula (3) is an addition reaction product of:
(a) a compound having 3 to 10 mercapto groups in one molecule, and
(b) a compound having at least one moiety selected from an organic dye structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, a urea group, a urethane group, an alkoxysilyl group, an epoxy group, an isocyanate group and a hydroxyl group, and also a functional group capable of reacting with a mercapto group.
8. A pigment dispersant comprising the polymer compound according to claim 1 .
9. A pigment dispersion composition comprising a pigment and the pigment dispersant according to claim 8 in an organic solvent.
10. A photocurable composition comprising the pigment dispersion composition according to claim 9 , an alkali-soluble resin, a photopolymerizable compound, and a photopolymerization initiator.
11. A color filter that is produced by using the photocurable composition according to claim 10 .
12. A method for producing a color filter, the method comprising providing the photocurable composition according to claim 10 directly on a substrate or with another layer interposed therebetween so as to form a photosensitive film, and patternwise exposing and developing the formed photosensitive film so as to form a colored pattern.
13. The polymer compound according to claim 1 , wherein R 3 in Formula (2) is an organic linking group selected from the following specific examples (1) to (17):
14. The polymer compound according to claim 1 , wherein R 5 in Formula (2) represents a single bond, an ethylene group, a propylene group, or a divalent organic linking group selected from the following group (a) and the following group (b), wherein in the following groups, R 25 represents a hydrogen atom or a methyl group, and 1 represents 1 or 2:
15. A polymer compound represented by the following Formula (2):
wherein, in Formula (2), R 3 represents an organic linking group having a valency of (m+n); R 4 and R 5 each independently represents a single bond or a divalent organic linking group; A 2 represents a monovalent organic group comprising at least one moiety selected from an organic dye structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, a urea group, a urethane group, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group; A 2 s, n in number, are independent from each other, and may be the same or different from each other; R 4 s, n in number, are independent from each other, and may be the ame or different from each other; m is from 1 to 8; n is from 2 to 9; m+n is from 3 to 10; P 2 represents a polymer skeleton selected from a vinyl polymer or copolymer; P 2 (s), m in number, are independent from each other, and may be the same or different from each other; R 5 (s), m in number, are independent from each other, and may be the same or different from each other; and S represents a sulfur atom.