Water-based graphite dispersion liquid and preparation method thereof

A technology of suspension and graphite, applied in the field of materials, can solve the problems of human harm, destruction of ecological balance, atmospheric environmental pollution, etc., and achieve the effects of avoiding pollution, easy control of conditions, and good dispersion.

Inactive Publication Date: 2016-01-20
DONGGUAN ZHENGLIN CHEM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, as people pay more and more attention to the environment and health, traditional lubricants, conductive coatings, and conductive inks are mostly based on oily resins, which release a large amount of volatile organic compounds (VOC) during production and use, causing pollution to the atmospheric environment. , destroy the ecological balance, and cause considerable harm to the human body

Method used

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Examples

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Effect test

preparation example Construction

[0024] The present invention also provides a kind of preparation method of aqueous graphite dispersion suspension, it comprises the following steps:

[0025] 1) Take the following components in parts by weight: 20-35 parts of graphite micropowder, 5-15 parts of humectant, 0.5-5 parts of wetting agent, 1-5 parts of dispersing agent, 0.1-1 parts of pH regulator, and 0.3-1 parts of anti-sedimentation agent 5. Defoamer 0.1-0.5, water 30-60;

[0026] 2) Add humectants, wetting agents, dispersants and pH regulators into water, and keep stirring for 10 minutes to obtain a mixed solution;

[0027] 3) adding the graphite micropowder into the above mixed solution, and stirring at a high speed for 30 minutes to obtain a mixed slurry;

[0028] 4) Put the above-mentioned mixed slurry into a sand mill, and grind until the particle size of the graphite micropowder is less than 10 μm;

[0029] 5) adding an anti-settling agent and a defoamer to the ground slurry to obtain a water-based graph...

Embodiment 1

[0032] The present embodiment provides an aqueous graphite dispersion suspension, which includes the following components in parts by weight: graphite micropowder 20, ethylene glycol 5, anionic surfactant 5, polyacrylic acid ammonium salt 5, sodium hydroxide solution 1, Methylcellulose 0.3, organosilicon defoamer 0.1, water 45, the above-mentioned graphite is artificial graphite, and its particle diameter is 8um.

Embodiment 2

[0034] This embodiment provides an aqueous graphite dispersion suspension, which includes the following components in parts by weight: graphite micropowder 35, propylene glycol 15, polyoxyethylene ether nonionic surfactant 0.5, polyacrylic acid sodium salt 1, organic amine 0.1, hydroxyethyl cellulose 5, mineral oil defoamer 0.5, water 60, the above-mentioned graphite fine powder is natural graphite, and its particle diameter is 10um.

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Abstract

The invention provides a water-based graphite dispersion liquid which comprises the following components in parts by weight: 20-35 parts of graphite micro powder, 5-15 parts of a humectant, 0.5-5 parts of a wetting agent, 1-5 parts of a dispersion agent, 0.1-1 part of a pH regulator, 0.3-5 parts of an anti-settling agent, 0.1-0.5 part of an antifoaming agent, and 30-60 parts of water. The invention also provides a preparation method of the water-based graphite dispersion liquid; compared with a conventional conductive graphite using oleoresin as a base medium, the water-based graphite dispersion liquid provided by the invention adopts the water as a dispersion medium, can be used for effectively avoiding severe contamination caused by volatilization of organic matters, and is a green chemical product; in addition, the water-based graphite dispersion liquid is good in dispersion performance, not only has a good conductive performance, and simultaneously has excellent performances of lubricating and the like. The water-based graphite dispersion liquid is simple in preparation method, easy in condition control, high in repeatability, and easy in large-scale popularization and utilization.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a water-based graphite dispersion suspension and a preparation method thereof. Background technique [0002] At present, as people pay more and more attention to the environment and health, traditional lubricants, conductive coatings, and conductive inks are mostly based on oily resins, which release a large amount of volatile organic compounds (VOC) during production and use, causing pollution to the atmospheric environment. , destroy the ecological balance, and cause considerable harm to the human body. [0003] With the development of science and technology, water-based lubricants, water-based conductive coatings, and water-based conductive inks have been extensively studied. Water is used as a solvent, which is environmentally friendly and non-toxic, and is very popular among consumers. As an important additive, graphite has problems such as difficult dispersion, easy se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F3/12C09D5/24C09D11/52
Inventor 阳政波
Owner DONGGUAN ZHENGLIN CHEM TECH CO LTD
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