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.
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[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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