Emulsion for high-gloss acrylic paint and containing modified graphene and preparation method thereof
A technology of acrylic pigment and graphene, which is applied in the field of pigment emulsion, can solve the problems of uneven dispersion and uneven conductivity, and achieve the effects of uniform dispersion, uniform conductivity and excellent stability
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[0037] The preparation of graphene uses tea polyphenols to reduce graphene oxide (GO), including the following steps: add 0.15g of newly purchased tea polyphenols and 120ml of distilled water, then add 0.05g of graphene oxide, pass N 2 Under the conditions of 60% power ultrasound for 1h, after ultrasound, graphene slurry was obtained in a water bath at 94℃ for 2-3h (the infrared spectrum is as figure 1 , The transmission electron microscope (TEM) image is as figure 2 ).
[0038] Among them, the preparation of graphene oxide refers to the improved Hummer method (Hummer WS, Offeman RE. Preparation of graphitic oxide [J]. Journal of the American Chemical Society, 1958, 80(6): 1339-1339.).
[0039] Put 0.5g graphene slurry in a beaker and add distilled water, ultrasonically crush for 0.5-1h, add 4g oleic acid, heat it in a water bath at 80℃ for 1h, then cool to 30℃, then add 2g sodium lauryl sulfate , React at a constant temperature for 2h, after cooling to room temperature, separate t...
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