Coating prepared by industrial waste of microsilica and preparation methods of coating
A technology of industrial waste and micro-silica fume is applied in the field of architectural decorative coatings to achieve the effect of low cost and good adhesion
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Embodiment 1
[0046] Formula: styrene-acrylic emulsion 100kg, water 390kg, microsilica fume 479kg, film-forming aid 5kg, dispersant 7kg, wetting agent 1kg, defoamer 4kg, rheology modifier 10kg, acid-base adjustment Agent 2kg, preservative 2kg.
[0047] Preparation: Prepare according to one of the above-mentioned preparation methods.
[0048] Explanation: This formula has fewer base materials and more microsilica fume, which is beneficial to consume a large amount of microsilica fume. There are no other pigments and fillers, and the coating film is dull and dark gray. It is suitable for the alkaline base surface of the building, used as a primer, with good adhesion and low cost.
[0049]
Embodiment 2
[0051] Formula: styrene-acrylic emulsion 300kg, water 250kg, microsilica fume 406kg, film-forming aid 18kg, dispersant 7kg, wetting agent 1kg, defoamer 4kg, rheology modifier 10kg, acid-base adjustment Agent 2kg, preservative 2kg.
[0052] Preparation: Prepare according to one of the above-mentioned preparation methods.
[0053] Description: The amount of base material in this formula is moderate, the amount of microsilica is relatively large, there are no other pigments and fillers, and the coating film is matte dark gray. It is suitable for the alkaline base surface of the building and used as a primer with good performance and low cost.
[0054]
Embodiment 3
[0056] Formula: 500kg of silicon-acrylic emulsion, 200kg of water, 165kg of micro-silica fume, 20kg of rutile titanium dioxide, 60kg of 800 mesh talcum powder, 35kg of film-forming aid, 2kg of dispersant, 1kg of wetting agent, defoamer 6 kg, rheology modifier 7 kg, acid-base regulator 2 kg, preservative 2 kg.
[0057] Preparation: Prepare according to one of the above-mentioned preparation methods.
[0058] Description: This formula has a large amount of base material and moderate amount of silica fume. The coating film is light gray and has a certain covering power. It is suitable for the alkaline base surface of the building and used as a primer with excellent performance.
[0059]
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