# US 2013/0153829 A1 · Coating forming composition used for forming transparent conductive film

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- Number: US 2013/0153829 A1
- Document ID: US20130153829A1
- Status: Published application
- Kind: A1
- Application number: 13/707,566
- Filed: 2012-12-06
- Published: 2013-06-20
- Earliest claimed: 2011-12-15
- Assignees: Jnc Corporation
- Inventors: YASUHIRO KONDO; MOTOKI YANAI; SETSUO ITAMI
- Web page: https://patentgrep.com/patent/US20130153829A1

## CPC

- H01B 1/02: mainly consisting of metals or alloys
- H01B 1/22: the conductive material comprising metals or alloys
- B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites
- Y10S 977/762: Nanowire or quantum wire, i.e. axially elongated structure having two dimensions of 100 nm or less
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})
- B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

A subject is to provide a material capable of obtaining a transparent conductive film that is excellent in conductivity, optical transmission, environmental reliability, suitability for process and adhesion in a single application process, and to provide the transparent conductive film and a device element using the same; a solution is to prepare a coating forming composition containing at least one kind selected from the group of metal nanowires and metal nanotubes as a first component, polysaccharides and a derivative thereof as a second component, an active methylene compound as a third component, an electrophilic compound as a fourth component and a solvent as a fifth component to obtain the transparent conductive film by using the coating.

## Claims

### Claim 1

A coating forming composition, comprising:
at least one kind selected from the group of metal nanowires and metal nanotubes as a first component;
at least one kind selected from the group of polysaccharides and a derivative thereof as a second component;
an active methylene compound as a third component;
an electrophilic compound as a fourth component; and
a solvent as a fifth component.

### Claim 2 (depends on 1)

The coating forming composition according to claim 1, wherein the electrophilic compound as the fourth component is at least one kind selected from the group of an isocyanate compound, an epoxy compound, an aldehyde compound, an amine compound and a methylol compound.

### Claim 3 (depends on 1)

The coating forming composition according to claim 1, wherein the active methylene compound as the third component is a compound having a 1,3-dicarbonyl group.

### Claim 4 (depends on 1)

The coating forming composition according to claim 1, wherein the first component is silver nanowires.

### Claim 5 (depends on 1)

The coating forming composition according to claim 1, wherein the second component is a cellulose ether derivative.

### Claim 6 (depends on 1)

The coating forming composition according to claim 1, wherein the third component is polyvinyl alcohol having an acetoacetyl group.

### Claim 7 (depends on 1)

The coating forming composition according to claim 1, wherein the electrophilic compound as the fourth component comprises a methylol compound.

### Claim 8 (depends on 1)

The coating forming composition according to claim 1, wherein the second component is hydroxypropyl methyl cellulose.

### Claim 9 (depends on 1)

The coating forming composition according to claim 1, wherein a content of the first component is in the range of 0.01% by weight to 1.0% by weight, a content of the second component is in the range of 0.005% by weight to 3.0% by weight, a content of the third component is in the range of 0.0005% by weight to 3.0% by weight, a content of the fourth components is in the range of 0.000055% by weight to 6.0% by weight, and a content of the solvent is in the range of 87.0% by weight to 99.98% by weight, based on the total weight of the coating forming composition.

### Claim 10 (depends on 1)

The coating forming composition according to claim 1, used for forming a conductive coating.

### Claim 11 (depends on 10)

A substrate having a transparent conductive film obtained using the coating forming composition according to claim 10, wherein a thickness of the transparent conductive film is in the range of 10 nanometers to 150 nanometers, a surface resistance of the transparent conductive film is in the range of 10Ω/□ to 5,000Ω/□, and a total transmittance of the transparent conductive film is in the range of 85% or more.

### Claim 12 (depends on 11)

A device element, using the substrate according to claim 11.