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Conductive graphene carbon slurry printing ink and preparation method thereof

A technology of conductive graphite and graphene, which is applied in ink, household utensils, applications, etc., can solve the problems of low conductivity and high cost of pure graphene ink, and achieve excellent performance, performance and cost optimization, and stable performance.

Inactive Publication Date: 2014-06-04
JIANGSU GEMEIGAO DEV CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a conductive graphene carbon paste, which solves the high cost of simple graphene ink and the low technical problems of traditional carbon paste conductivity. The conductive ink has relatively low conductivity on the premise of reducing the cost of simple graphene ink Significantly improved compared to traditional carbon paste

Method used

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Examples

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Comparison scheme
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specific Embodiment approach

[0028] Specific embodiments: the following implementation examples are further descriptions of the present invention, rather than limiting the scope of the present invention.

[0029] In summary, a conductive graphene carbon paste ink, the ink includes a graphene-containing conductive functional unit, a solvent, an auxiliary agent and a resin linker.

[0030] Graphene-containing conductive functional units are composed of graphene and other conductive carbon core materials. Other conductive carbon core materials include one or more of graphite, conductive channel black, acetylene black, furnace carbon black, carbon fiber, and carbon crystal.

[0031] The solvent includes one or more of water, aliphatic hydrocarbon solvents, aromatic hydrocarbon solvents, alcohol solvents, ketone solvents, ester solvents, alcohol ether solvents, animal oils, and mineral oils.

[0032] Auxiliaries include dispersants, stabilizers, protective agents, film-forming agents, coupling agents, plastic...

Embodiment 1

[0036] A conductive graphene carbon paste ink, the ink includes a graphene-containing conductive functional unit, a solvent, and an auxiliary agent, and each component is formed in parts by weight: the conductive unit is 10 parts; the solvent is 10 parts; the auxiliary agent is 0.1 part .

[0037] A preparation method of conductive graphene carbon paste ink, comprising the following preparation steps:

[0038] (1) Preparation of conductive unit dispersion

[0039] Weigh graphene and other conductive carbon core materials according to parts by weight, mix with solvent and dispersant, and disperse evenly by stirring for 0.5h, ultrasonication for 0.5h, and grinding for 0.5h to prepare a conductive unit dispersion;

[0040] (2) Preparation of conductive paste

[0041] According to the composition of the conductive ink, the conductive unit dispersion liquid is mixed with the solvent and additives, and the slurry is mixed evenly by stirring for 0.5h, ultrasonication for 0.5h, and gr...

Embodiment 2

[0043] A conductive graphene carbon paste ink, the ink includes a conductive functional unit containing graphene, a solvent, an auxiliary agent and a resin linker, and each component is formed according to the number of parts by weight: the conductive unit is 70 parts; the solvent is 90 parts; the auxiliary The agent is 30 parts; the resin linking agent is 70 parts.

[0044] A preparation method of conductive graphene carbon paste ink, comprising the following preparation steps:

[0045] (1) Preparation of conductive unit dispersion

[0046] Weigh graphene and other conductive carbon core materials according to parts by weight, mix with solvent and dispersant, and disperse evenly by stirring for 6 hours, ultrasonication for 12 hours, and grinding for 12 hours to obtain a conductive unit dispersion;

[0047] (2) Preparation of conductive paste

[0048] According to the composition of the conductive ink, the conductive unit dispersion liquid is mixed with solvent, additives an...

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PUM

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Abstract

The invention discloses a conductive graphene carbon slurry printing ink and a preparation method thereof; the printing ink comprises a conductive function unit containing graphene, solvent, auxiliary agent and resin bridging agent; the components comprise 10-70 parts of conductive units by weight, 10-90 parts of solvent by weight, 0.1-30 parts of auxiliary agent by weight, and 0-70 parts of resin bridging agent by weight. The preparation method comprises the preparation of conductive unit dispersion liquid and the preparation of conductive slurry. The preparation method of the conductive graphene carbon slurry printing ink is simple in method; compared with the conventional carbon slurry, the conductive graphene carbon slurry printing ink is high in conductivity, thin, uniform and smooth in printing film, excellent in performance, and is suitable for many printing technology and base materials.

Description

technical field [0001] The invention relates to a conductive ink, in particular to a preparation method of a conductive graphene carbon paste ink. Background technique [0002] Conductive ink refers to the ink printed on the substrate so that it has the ability to conduct current and eliminate the accumulated static charge. It is a key material in printed electronic technologies such as printed circuits, smart labels, flexible display devices, and sensors. The performance of conductive ink Improvement will definitely promote the development of the electronics industry. At the same time, the development of electronic technology also puts forward higher requirements for conductive inks. Improving performance and reducing costs are the goals that conductive inks are constantly pursuing. [0003] Traditional conductive inks are basically compounded by adding conductive unit powders to polymers. The conductive functional unit is the most critical component, mainly including carbo...

Claims

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Application Information

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IPC IPC(8): C09D11/52
Inventor 李金焕陆建辉肖军王堂洋
Owner JIANGSU GEMEIGAO DEV CO LTD
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