Graphene cold-coating zinc coating and preparation method thereof
A graphene and cold-coated zinc technology, which is applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve problems such as high energy consumption, high pollution, and long cycle times
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[0031] Correspondingly, the present application also provides a kind of preparation method of above-mentioned graphene cold coating zinc coating, as shown in Figure 1, described method comprises the following steps:
[0032] S1. After ultrasonically dispersing the graphene, the graphene dispersant and the high boiling point solvent, graphene slurry is obtained;
[0033] S2. After adding the graphene slurry into the cold-coated zinc resin, uniformly disperse at a speed of 700-900r / min;
[0034] S3. After adding the silane coupling agent to the product of S2, uniformly disperse at a speed of 700-900r / min;
[0035] S4. After adding the organobentonite to the product of S3, uniformly disperse at a speed of 900-1200r / min;
[0036] S5. After adding the polyamide wax to the product of S4, uniformly disperse at a speed of 1400-1700r / min;
[0037] S6. After adding the zinc powder to the product of S5, uniformly disperse at a speed of 2500-2700 r / min.
[0038] In a specific implement...
Embodiment 1
[0042] The Graphene of 0.2 mass parts, the graphene dispersant of 0.1 mass parts and the high-boiling point solvent ultrasonic dispersion 30min of 2 mass parts obtain graphene slurry; In the cold coating zinc resin of 17 mass parts, add all After describing the graphene slurry, use a high-speed disperser to uniformly disperse for 5min at a speed of 800r / min, and the cold-coated zinc resin is selected to contain 18% epoxy resin; then add 0.4 parts by mass of the silane coupling agent Use a high-speed disperser to uniformly disperse at a speed of 800r / min for 10 minutes, and the silane coupling agent is specifically selected as KH560; then add 1 mass part of organic bentonite and use a high-speed disperser to uniformly disperse at a speed of 1000r / min for 5 minutes Then add the polyamide wax of 1.3 parts by mass and disperse evenly for 10min with a high-speed disperser at a speed of 1500r / min, the solid content of the polyamide wax is 20%; finally add the zinc powder of 78 parts ...
Embodiment 2
[0044] 0.5 parts by mass of graphene, the graphene dispersant of 0.2 parts by mass and the high boiling point solvent of 2.5 parts by mass are ultrasonically dispersed for 35min to obtain graphene slurry; in the cold coating zinc resin of 18 parts by mass, add all After describing the graphene slurry, use a high-speed disperser to uniformly disperse 5min at a speed of 800r / min, and the cold-coated zinc resin is selected to solidly contain 18% amino resin; then add 0.5 parts by mass of the silane coupling agent and use The high-speed disperser is uniformly dispersed at a speed of 800r / min for 10 minutes, and the silane coupling agent is specifically selected as KH560; then, after adding 1 mass part of organic bentonite, the high-speed disperser is used for uniform dispersion at a speed of 1000r / min for 5 minutes; Then add 1.3 parts by mass of polyamide wax and then use a high-speed disperser to uniformly disperse for 10 min at a speed of 1500r / min, the solid content of the polya...
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