Thin-layer graphene aqueous slurry and preparation method and application thereof
A thin-layer graphene and thin-layer graphite technology, which is applied in the fields of nanotechnology and coatings, can solve the problem that the anti-corrosion effect cannot achieve the anti-corrosion effect, etc., and achieve the effect of improving the anti-corrosion performance, improving the dispersion effect and efficiency, and effectively shielding the effect.
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[0032] Another aspect of the embodiments of the present invention also provides a method for preparing the aforementioned thin-layer graphene aqueous slurry, which includes: uniformly mixing the thin-layer graphene, fillers, water and functional additives, followed by grinding or high-pressure homogenization, Obtain the thin-layer graphene aqueous slurry.
[0033] Further, the preparation method is preferably selected from but not limited to adding thin-layer graphene and other components in batches and stirring and mixing, and then obtaining thin-layer graphene aqueous slurry by grinding or grinding and then high-pressure homogenization .
[0034] Another aspect of the embodiments of the present invention also provides the application of the aforementioned thin-layer graphene aqueous slurry in the preparation of anti-corrosion coatings.
[0035] Another aspect of the embodiments of the present invention also provides an anti-corrosion coating, which includes an additive, a w...
Embodiment 1
[0042] A water-based slurry of thin-layer graphene mixed with anti-corrosion coatings, including the following raw materials in parts by weight, 5 parts of high-quality thin-layer graphene powder, 0.5 parts of dispersant BYK4200, 0.5 parts of polyvinylpyrrolidone, and 0.1 parts of Digo 8100.1 parts , fumed silica A2001 parts, silane coupling agent KH5500.5 parts, iron red 5 parts, zinc phosphate 10 parts and the balance of deionized water.
[0043] A preparation method for the thin-layer graphene water-based slurry mixed with anti-corrosion coating, comprising the following steps:
[0044] 1) Add graphene powder, deionized water, BYK420, polyvinylpyrrolidone, and Tego 810 into the vacuum stirring disperser, and carry out vacuum stirring at 1500rpm for about 2 hours to disperse evenly to form a mixed solution;
[0045] 2) After the raw materials are stirred and dispersed evenly in a vacuum to form a mixed solution, add KH550, iron red, zinc phosphate, A200 and other remaining c...
Embodiment 2
[0048] A thin-layer graphene aqueous slurry mixed with anti-corrosion coatings, including the following raw materials in parts by weight, 10 parts of high-quality thin-layer graphene powder, 1 part of dispersant acrylic resin, 1 part of sodium polyacrylate, Tego 902w 0.5 5 parts, KH5600.5 parts, 5 parts of glass flakes, 5 parts of talc powder, 10 parts of aluminum tripolyphosphate, 2 parts of organic bentonite and the balance of deionized water.
[0049] A preparation method for the thin-layer graphene water-based slurry mixed with anti-corrosion coating, comprising the following steps:
[0050] 1) Add graphene powder, acrylic resin, sodium polyacrylate, Tego 902w, and deionized water into a vacuum stirring disperser, and stir at 1500 rpm for about 2 hours to disperse evenly to form a mixed solution;
[0051] 2) After the raw materials are stirred and dispersed evenly in vacuum to form a mixed solution, add KH560, glass flakes, talcum powder, aluminum tripolyphosphate, organic...
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