Process for preparing anti-wear, anti-corrosion nano composite epoxy zinc-enriched paint
An epoxy zinc-rich coating and nano-composite technology, applied in epoxy resin coatings, coatings, etc., can solve the problems of decreased coating resistance, poor adhesion between coating and substrate, loss of substrate protection, etc., to reduce defects. The effect of forming, improving comprehensive performance and simple process
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Embodiment 1
[0015] Take titanium oxide with an average particle size of 30nm, and use an organic surface treatment agent sodium laurate to coat it. The dosage is 1% of the weight of nano-powder titanium oxide. First, take a small amount of epoxy resin and add a certain amount of treated titanium oxide particles. and disperse in a sand mill to prepare a slurry; after fully mixing the slurry with the original epoxy zinc-rich coating body, a nano-composite epoxy zinc-rich coating is obtained, and the addition of titanium oxide is 2% of the coating weight. The paint was uniformly rolled on the hot-dip galvanized steel plate, and after drying at room temperature, the coating film sample A was obtained. Reserved for performance evaluation tests.
Embodiment 2
[0017] Take titanium oxide with an average particle size of 30nm, and use organic surface treatment agent sodium laurate to coat it. The dosage is 3% of the weight of nano-powder titanium oxide. First, take a small amount of epoxy resin and add a certain amount of treated titanium oxide particles. and disperse in a sand mill to obtain a slurry; after fully mixing the slurry with the original epoxy zinc-rich coating body, a nano-composite epoxy zinc-rich coating is obtained, and the addition of titanium oxide is 3% of the coating weight. The paint was uniformly rolled on the hot-dip galvanized steel plate, and after drying at room temperature, the coating film sample B was obtained. Reserved for performance evaluation tests.
Embodiment 3
[0019] Take titanium oxide with an average particle size of 30nm, and use organic surface treatment agent sodium laurate to coat it. The dosage is 3% of the weight of nano-powder titanium oxide. First, take a small amount of epoxy resin and add a certain amount of treated titanium oxide particles. and disperse in a sand mill to obtain a slurry; after fully mixing the slurry with the original epoxy zinc-rich coating body, a nano-composite epoxy zinc-rich coating is obtained, and the addition of titanium oxide is 4% of the coating weight. The paint was evenly rolled on the hot-dip galvanized steel plate, and after drying at room temperature, the coating film sample C was obtained. Reserved for performance evaluation tests.
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