Color correction material, film-forming composition, and optical filter

1. A color correction material comprising: at least one cyanine compound composed of a cyanine cation represented by general formula (I) below and a q-valent anion represented by pAn q- wherein q is an integer of 1 or 2, and p represents a coefficient for keeping the electric charge neutral; and at least one layered clay mineral, wherein the layered clay mineral is an oleophilic smectite:

wherein: ring A represents a benzene ring or a naphthalene ring; the hydrogen atom in the ring A may be substituted by an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, a nitro group, a cyano group, or a halogen atom;

X represents a sulfur atom;

R 1 , R 2 each independently represent a group represented by general formula (II) or (II′) below, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an arylalkyl group having 7 to 30 carbon atoms; R 1 and R 2 , may be connected to form a 3- to 6-membered alicyclic group;

R 6 , R 7 , R 8 , and R 9 each independently represent a hydrogen atom, a group represented by general formula (II) or (II′) below, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, a halogen atom, or a cyano group;

Y 1 and Y 2 each independently represent an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, or a group represented by general formula (III) below, at least one of Y 1 , and Y 2 is a group represented by general formula (III) below;

the methylene group in the alkyl group, the aryl group, and the arylalkyl group, which are the groups that may substitute the hydrogen atom in the ring A or the groups that may be represented by R 1 , R 2 , R 6 , R 7 , R 8 , R 9 , Y 1 , and Y 2 , may be interrupted 1 to 3 times by an oxygen atom, a sulfur atom, or a double bond; the hydrogen atom in the alkyl group, the aryl group, and the arylalkyl group may be substituted by a nitro group, a cyano group, or a halogen atom; and

Z represents a hydrogen atom;

in the above general formula (II): the bond between G and T is a double bond, a conjugated double bond, or a triple bond; G represents a carbon atom; T represents a carbon atom, an oxygen atom, or a nitrogen atom if T is an oxygen atom, then y and z are 0; if T is a nitrogen atom, then y+z is 0 or 1;

w represents a number from 0 to 4; x, y, and z each represent 0 or 1;

R 01 , R 02 , R 03 , and R 04 each independently represent a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, a halogen atom, or an optionally substituted alkyl group having 1 to 4 carbon atoms; the methylene group in the alkyl group may be interrupted by —O— or —CO—; and R 01 and R 04 may be bonded to form a cycloalkene ring or a heterocycle;

in the above general formula (II′) : the bond between G′ and T′ is a double bond or a conjugated double bond; G′ represents a carbon atom; T′ represents a carbon atom or a nitrogen atom;

w′ represents a number from 0 to 4; R 01′ represents a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, a halogen atom, or an alkyl group having 1 to 4 carbon atoms optionally substituted with a halogen atom; the methylene group in the alkyl group may be interrupted by —O— or —CO—;

the ring containing G′ and T′ represents a 5-membered ring that may contain a hetero atom, a 6-membered ring that may contain a hetero atom, a naphthalene ring, a quinoline ring, an isoquinoline ring, an anthracene ring, or an anthraquinone ring; and the ring containing G′ and T′ may be substituted by a halogen atom, a hydroxyl group, a nitro group, a cyano group, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms;

wherein: R a , R b , R c , R d , R e , R f , R g , R h , and R i each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; the methylene group in the alkyl group may be interrupted by —O— or —CO—;

Q represents a direct bond or an optionally substituted alkylene group having 1 to 8 carbon atoms; the methylene group in the alkylene group may be replaced by —O—, —S—, —CO—, —COO—, —OCO—, —SO 2 —, —NH—, —CONH—, —NHCO—, —N═CH—, or —CH═CH—; and

M represents Fe, Co, Ni, Ti, Cu, Zn, Zr, Cr, Mo, Os, Mn, Ru, Sn, Pd, Rh, Pt, or Ir.

2. A film-forming composition obtained by blending a binder resin to the color correction material according to claim 1 .

3. The film-forming composition according to claim 2 , characterized by using an adhesive as the binder resin.

4. The film-forming composition according to claim 3 , wherein the adhesive is an acrylic adhesive.

5. An optical filter including a layer composed of the film-forming composition according to claim 2 .

6. The optical filter according to claim 5 , wherein the optical filter is for an image display device.

7. previously presented) The optical filter according to claim 6 , wherein the image display device is a plasma display.

8. A color correction material comprising a clay mineral composite obtained by intercalating a cyanine cation represented by general formula (I) below into a layered clay mineral, wherein the layered clay mineral is a smectite:

wherein: ring A represents a benzene ring or a naphthalene ring; the hydrogen atom in the ring A may be substituted by an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms, an arylalkyl group having 7 to 20 carbon atoms, a nitro group, a cyano group, or a halogen atom;

X represents a sulfur atom;

R 1 , R 2 each independently represent a group represented by general formula (II) or (II′) below, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an arylalkyl group having 7 to 30 carbon atoms; R 1 and R 2 , may be connected to form a 3- to 6-membered alicyclic group;

R 6 , R 7 , R 8 , and R 9 each independently represent a hydrogen atom, a group represented by general formula (II) or (II′) below, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, a halogen atom, or a cyano group;

Y 1 and Y 2 each independently represent an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, or a group represented by general formula (III) below, at least one of Y 1 , and Y 2 is a group represented by general formula (III) below;

the methylene group in the alkyl group, the aryl group, and the arylalkyl group, which are the groups that may substitute the hydrogen atom in the ring A or the groups that may be represented by R 1 , R 2 , R 6 , R 7 , R 8 , R 9 , Y 1 , and Y 2 , may be interrupted 1 to 3 times by an oxygen atom, a sulfur atom, or a double bond; the hydrogen atom in the alkyl group, the aryl group, and the arylalkyl group may be substituted by a nitro group, a cyano group, or a halogen atom; and

Z represents a hydrogen atom;

in the above general formula (II): the bond between G and T is a double bond, a conjugated double bond, or a triple bond; G represents a carbon atom; T represents a carbon atom, an oxygen atom, or a nitrogen atom if T is an oxygen atom, then y and z are 0; if T is a nitrogen atom, then y+z is 0 or 1;

w represents a number from 0 to 4; x, y, and z each represent 0 or 1;

R 01 , R 02 , R 03 , and R 04 each independently represent a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, a halogen atom, or an optionally substituted alkyl group having 1 to 4 carbon atoms; the methylene group in the alkyl group may be interrupted by —O— or —CO—; and R 01 and R 04 may be bonded to form a cycloalkene ring or a heterocycle;

in the above general formula (II′) : the bond between G′ and T′ is a double bond or a conjugated double bond; G′ represents a carbon atom; T′ represents a carbon atom or a nitrogen atom;

w′ represents a number from 0 to 4; R 01′ represents a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, a halogen atom, or an alkyl group having 1 to 4 carbon atoms optionally substituted with a halogen atom; the methylene group in the alkyl group may be interrupted by —O— or —CO—;

the ring containing G′ and T′ represents a 5-membered ring that may contain a hetero atom, a 6-membered ring that may contain a hetero atom, a naphthalene ring, a quinoline ring, an isoquinoline ring, an anthracene ring, or an anthraquinone ring; and the ring containing G′ and T′ may be substituted by a halogen atom, a hydroxyl group, a nitro group, a cyano group, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms;

wherein: R a , R b , R c , R d , R e , R f , R g , R h , and R i each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; the methylene group in the alkyl group may be interrupted by —O— or —CO—;

Q represents a direct bond or an optionally substituted alkylene group having 1 to 8 carbon atoms; the methylene group in the alkylene group may be replaced by —O—, —S—, —CO—, —COO—, —OCO—, —SO 2 —, —NH—, —CONH—, —NHCO—, —N═CH—, or —CH═CH—; and

M represents Fe, Co, Ni, Ti, Cu, Zn, Zr, Cr, Mo, Os, Mn, Ru, Sn, Pd, Rh, Pt, or Ir.

9. The color correction material according to claim 8 , wherein the clay mineral composite has a structure in which an organic cation is also intercalated in, wherein the smectite is an oleophilic smectite.

10. A film-forming composition obtained by blending a binder resin to the color correction material according to claim 9 .

11. A film-forming composition obtained by blending a binder resin to the color correction material according to claim 8 .