Conductive composition, conductive member, conductive member production method, touch panel, and solar cell

Patent metadata

Field	Value
Publication number	US-9633755-B2
Application number	US-201414492881-A
Country	US
Kind code	B2
Filing date	Sep 22, 2014
Priority date	Mar 23, 2012
Publication date	Apr 25, 2017
Grant date	Apr 25, 2017

Abstract

The conductive composition contains at least (a) conductive metal fibers, and (b) at least one compound selected from a compound represented by the following Formula (1), a compound represented by the following Formula (2), and a compound having a partial structure represented by the following Formula (3). Each of R 1 and R 2 independently represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, or a carbamoyl group. Each of R 3 , R 4 , R 5 , R 6 , R 8 , R 9 , R 10 , and R 11 independently represents an alkyl group having 1 to 4 carbon atoms, and R 7 represents a hydrogen atom or a substituent. R 12 represents an alkyl group, an alkoxy group, an acyl group, or a hydrogen atom. * represents a bond.

First claim

What is claimed is:

1. A conductive composition comprising at least:
(a) conductive metal fibers having an average minor-axis length from 1 nm to 150 nm; and
(b) at least one compound selected from a compound represented by the following Formula (1), a compound represented by the following Formula (2), and a compound having a partial structure represented by the following Formula (3),

in Formula (1), each of R 1 and R 2 independently represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, or a carbamoyl group, and the acyl group is a formyl group, a substituted or unsubstituted alkylcarbonyl group having 2 to 30 carbon atoms, or a substituted or unsubstituted arylcarbonyl group having 7 to 30 carbon atoms,
in Formula (2), each of R 3 , R 4 , R 5 , and R 6 independently represents an alkyl group having 1 to 4 carbon atoms, R 7 represents a hydrogen atom or a substituent, and a superscript dot represents a free radical,
in Formula (3), each of R 8 , R 9 , R 10 , and R 11 independently represents an alkyl group having 1 to 4 carbon atoms, and R 12 represents an alkyl group, an alkoxy group, or an acyl group, and
in Formula (3), * represents a bonding site.

2. The conductive composition according to claim 1 , further comprising (c) a polymerizable compound that can form a matrix.

3. The conductive composition according to claim 2 ,
wherein the (c) polymerizable compound that can form a matrix is a non-photosensitive compound.

4. The conductive composition according to claim 3 ,
wherein the (c) polymerizable compound that can form a matrix is a compound that can form a cured sol-gel substance.

5. The conductive composition according to claim 2 ,
wherein a ratio of content of the (c) polymerizable compound that can form a matrix to the (a) conductive metal fibers ((c)/(a)) is 0.001/1 to 100/1 in terms of a mass ratio.

6. The conductive composition according to claim 1 ,
wherein a content of (b) at least one compound selected from a compound represented by Formula (1), a compound represented by Formula (2), and a compound having a partial structure represented by Formula (3) is from 0.005 mmol to 50 mmol per 1 g of the (a) conductive metal fibers.

7. The conductive composition according to claim 1 ,
wherein a molecular weight of the (b) at least one compound selected from a compound represented by Formula (1), a compound represented by Formula (2), and a compound having a partial structure represented by Formula (3) is from 140 to 5,000.

8. The conductive composition according to claim 1 ,
wherein at least one of R 1 and R 2 in the Formula (1) is an alkyl group, an alkenyl group, an aryl group, an acyl group, an aryloxycarbonyl group, an alkoxycarbonyl group, or a carbamoyl group, and the acyl group is a formyl group, a substituted or unsubstituted alkylcarbonyl group having 2 to 30 carbon atoms, or a substituted or unsubstituted arylcarbonyl group having 7 to 30 carbon atoms.

9. The conductive composition according to claim 8 ,
wherein at least one of R 1 and R 2 in the Formula (1) is an alkyl group, an alkenyl group, or an aryl group substituted with at least one group selected from a carboxyl group and an alkali metal salt thereof, a sulfo group and an alkali metal salt thereof, a hydroxyl group, an alkoxy group, an alkoxycarbonyl group, and a carbamoyl group.

10. The conductive composition according to claim 1 , further comprising at least one kind of compound represented by the following Formulae (4) to (9),

in Formula (4), each of R 41 and R 42 independently represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, or a halogen atom, and R 43 represents an alkyl group or an aryl group, at least two of the R 41 , R 42 , and R 43 may be linked to each other through an organic group having a valency of 2 or higher or through a single bond, moreover, the Formula (4) may include a structure that plural compounds represented by Formula (4) are linked to each other through an organic group having a valency of 2 or higher or through a single bond,
in Formula (5), each of R 51 and R 52 independently represents an alkyl group, R 51 and R 52 may be linked to each other through an organic group having a valency of 2 or higher or through a single bond, moreover, the Formula (5) may include a structure that plural compounds represented by Formula (5) are linked to each other through an organic group having a valency of 2 or higher or through a single bond,
in Formula (6), V 61 represents a hydrogen atom or a substituent,
in Formula (7), V 71 represents a hydrogen atom or a substituent, and each of R 71 and R 72 independently represents a hydrogen atom or a group which can be substituted with a nitrogen atom,
in Formula (8), V 81 represents a hydrogen atom or a substituent, and each of R 81 and R 82 independently represents a hydrogen atom or a group which can be substituted with a nitrogen atom,
in Formula (9), V 91 represents a hydrogen atom or a substituent, each of R 91 , R 92 , and R 93 independently represents a hydrogen atom or a group which can be substituted with a nitrogen atom.

11. The conductive composition according to claim 8 , further comprising at least one kind of compound represented by the following Formulae (4) to (9),

in Formula (4), each of R 41 and R 42 independently represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, or a halogen atom, and R 43 represents an alkyl group or an aryl group, at least two of the R 41 , R 42 , and R 43 may be linked to each other through an organic group having a valency of 2 or higher or through a single bond, moreover, the Formula (4) may include a structure that plural compounds represented by Formula (4) are linked to each other through an organic group having a valency of 2 or higher or through a single bond,
in Formula (5), each of R 51 and R 52 independently represents an alkyl group, R 51 and R 52 may be linked to each other through an organic group having a valency of 2 or higher or through a single bond, moreover, the Formula (5) may include a structure that plural compounds represented by Formula (5) are linked to each other through an organic group having a valency of 2 or higher or through a single bond,
in Formula (6), V 61 represents a hydrogen atom or a substituent,
in Formula (7), V 71 represents a hydrogen atom or a substituent, and each of R 71 and R 72 independently represents a hydrogen atom or a group which can be substituted with a nitrogen atom,
in Formula (8), V 81 represents a hydrogen atom or a substituent, and each of R 81 and R 82 independently represents a hydrogen atom or a group which can be substituted with a nitrogen atom,
in Formula (9), V 91 represents a hydrogen atom or a substituent, each of R 91 , R 92 , and R 93 independently represents a hydrogen atom or a group which can be substituted with a nitrogen atom.

12. The conductive composition according to claim 1 ,
wherein the conductive metal fibers preferably contain silver in an amount from 50 mol % to 100 mol %.

13. The conductive composition according to claim 1 ,
wherein an average minor-axis len

Assignees

• Fujifilm Corp

Inventors

• Matsumura Tokihiko
• Oya Toyohisa
• Furukawa Kazushi

Classifications

• C09D7/70

  characterised by shape, e.g. fibres, flakes or microspheres · CPC title

• H01B1/22 Primary

  the conductive material comprising metals or alloys · CPC title

• C23F1/02

  Local etching · CPC title

• C08K5/3435

  Piperidines · CPC title

• C09D5/24

  Electrically-conducting paints {(conductive materials H01B1/00)} · CPC title