Composition, film, optical sensor, and dispersant

Patent metadata

Field	Value
Publication number	US-11149141-B2
Application number	US-201916525687-A
Country	US
Kind code	B2
Filing date	Jul 30, 2019
Priority date	Mar 7, 2017
Publication date	Oct 19, 2021
Grant date	Oct 19, 2021

Abstract

A composition includes: a compound represented by the following Formula (1); a pigment; and a solvent. In a case where a film having a thickness of 4.0 m is formed using the composition, a maximum value of a light transmittance of the film in a thickness direction in a wavelength range of 360 nm to 700 nm is lower than 40%. In Formula (1), Z 1 represents an (m+n)-valent linking group, Y 1 and Y 2 each independently represent a single bond or a linking group, A represents a group including a pigment adsorption portion, P 1 represents a polymer chain, n represents 1 to 20, m represents 1 to 20, and m+n represents 3 to 21, at least one of Z 1 , A 1 , or P 1 includes a photocurable group.

First claim

What is claimed is:

1. A composition comprising:
a compound represented by the following Formula (10);
a pigment; and
a solvent,
wherein in a case where a film having a thickness of 4.0 μm is formed using the composition, a maximum value of a light transmittance of the film in a thickness direction in a wavelength range of 360 nm to 700 nm is lower than 40%,

in Formula (10), Z 1 represents an (m+n)-valent linking group,
S represents a sulfur atom,
Y 11 and Y 12 each independently represents a single bond or a linking group,
A 1 represents a group including a pigment adsorption portion,
the pigment adsorption portion includes at least one selected from the group consisting of an organic colorant structure, a heterocyclic structure, an acid 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,
the organic colorant structure is a colorant structure derived from at least one selected from the group consisting of a phthalocyanine colorant, an azo colorant, an azo lake colorant, an anthraquinone colorant, a quinacridone colorant, a dioxazine colorant, a diketo pyrrolo pyrrole colorant, an anthrapyridine colorant, an anthanthrone colorant, an indanthrone colorant, a flavanthrone colorant, a perinone colorant, a perylene colorant, and a thioindigo colorant,
the acid group is selected from the group consisting of a carboxyl group, a sulfo group, a phosphate group, a monosulfate group, a monophosphate group, and a borate group,
P 1 represents a polymer chain,
n represents 1 to 20, m represents 1 to 20, and m+n represents 3 to 21,
a plurality of Y 11 's and a plurality of A 1 's may be the same as or different from each other,
a plurality of Y 12 's and a plurality of P 1 's may be the same as or different from each other, and
at least one of Z 1 , A 1 , or P 1 includes a photocurable group.

2. The composition according to claim 1 ,
wherein P 1 represents a polymer chain that includes a repeating unit having a photocurable group at a side chain.

3. The composition according to claim 1 ,
wherein the photocurable group is an ethylenically unsaturated bond group.

4. The composition according to claim 1 ,
wherein the photocurable group is at least one selected from a vinyl group, a vinyloxy group, an allyl group, a (meth)acryloyl group, a maleoyl group, a styryl group, a cinnamoyl group, or a fumaroyl group.

5. The composition according to claim 1 ,
wherein P 1 represents a polymer chain that includes a repeating unit derived from a compound selected from a vinyl compound, an ester compound, or an ether compound.

6. The composition according to claim 1 ,
wherein P 1 represents a polymer chain that includes a repeating unit represented by the following Formula (2),

in the formula, R 1 represents a hydrogen atom or a methyl group, X 1 represents a single bond or an arylene group, X 2 represents a single bond or an alkylene group, W 1 represents a single bond or a divalent linking group, and B 1 represents a group including a photocurable group.

7. The composition according to claim 1 ,
wherein an amount of the photocurable group in the compound represented by Formula (10) is 0.01 to 2.5 mmol/g.

8. The composition according to claim 1 ,
wherein an acid value of the compound represented by Formula (10) is 200 mgKOH/g or lower.

9. The composition according to claim 1 ,
wherein a weight-average molecular weight of the compound represented by Formula (10) is 2000 to 150000.

10. The composition according to claim 1 , further comprising:
a polymerizable monomer;
a resin other than the compound represented by Formula (10); and
a photopolymerization initiator.

11. The composition according to claim 10 ,
wherein a content of the polymerizable monomer is 5 to 90 parts by mass with respect to 100 parts by mass of a total mass of the compound represented by Formula (10) and the resin other than the compound represented by Formula (10).

12. The composition according to claim 1 ,
wherein a content of the compound represented by Formula (10) is 1 to 100 parts by mass with respect to 100 parts by mass of the pigment.

13. The composition according to claim 1 ,
wherein the pigment is a white pigment.

14. The composition according to claim 1 ,
wherein the pigment is titanium oxide.

15. A film which is formed using the composition according to claim 1 .

16. An optical sensor comprising:
the film according to claim 15 .

17. A pigment dispersant represented by the following Formula (10),

in Formula (10), Z 1 represents an (m+n)-valent linking group,
S represents a sulfur atom,
Y 11 and Y 12 each independently represents a single bond or a linking group,
A 1 represents a group including a pigment adsorption portion,
the pigment adsorption portion includes at least one selected from the group consisting of an organic colorant structure, a heterocyclic structure, an acid 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,
the organic colorant structure is a colorant structure derived from at least one selected from the group consisting of a phthalocyanine colorant, an azo colorant, an azo lake colorant, an anthraquinone colorant, a quinacridone colorant, a dioxazine colorant, a diketo pyrrolo pyrrole colorant, an anthrapyridine colorant, an anthanthrone colorant, an indanthrone colorant, a flavanthrone colorant, a perinone colorant, a perylene colorant, and a thioindigo colorant,
the acid group is selected from the group consisting of a carboxyl group, a sulfo group, a phosphate group, a monosulfate group, a monophosphate group, and a borate group,
P 1 represents a polymer chain,
n represents 1 to 20, m represents 1 to 20, and m+n represents 3 to 21,
a plurality of Y 11 's and a plurality of A 1 's may be the same as or different from each other,
a plurality of Y 12 's and a plurality of P 1 's may be the same as or different from each other, and
at least one of Z 1 , A 1 , or P 1 includes a photocurable group.

18. The pigment dispersant according to claim 17 ,
wherein P 1 represents a polymer chain that includes a repeating unit having a photocurable group at a side chain.

19. The pigment dispersant according to claim 17 ,
wherein the photocurable group is an ethylenically unsaturated bond group.

20. The pigment dispersant according to claim 17 ,
wherein the photocurable group is at least one selected from a vinyl group, a vinyloxy group, an allyl group, a (meth)acryloyl group, a maleoyl group, a styryl group, a cinnamoyl group, or a fumaroyl group.

21. The pigment dispersant according to claim 17 ,
wherein P 1 represents a polymer chain

Assignees

• Fujifilm Corp

Inventors

• Kato Ryosuke
• Kawashima Takashi
• Taguchi Yoshinori

Classifications

• C08L33/06 Primary

  of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical · CPC title

• C08K3/22 Primary

  of metals · CPC title

• C08L2203/16

  used for films · CPC title

• C08L25/18

  Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen · CPC title

• C08L33/04

  Homopolymers or copolymers of esters {(C08L43/04 takes precedence)} · CPC title