Water-based expandable fireproof steel structure coating and preparation method
A technology for fire-resistant coatings and section steel, applied in fire-resistant coatings, epoxy resin coatings, coatings, etc., can solve the problems of poor water resistance, poor high temperature resistance, poor aging resistance, etc., achieve strong weather resistance, improve dispersion performance, and improve physical and chemical properties performance effect
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[0033] Example 1:
[0034] Please refer to Table 1 and Table 2 for the formulation of the fire retardant coating of the present invention.
[0035] (1) Preparation of nano flame retardant:
[0036] Add each flame retardant raw material, water glass and surfactant into water 5 times the weight of the flame retardant raw material and heat to 85 o After C, the pH value is adjusted to 6.5 with dilute sulfuric acid, and after two hours of reaction, the reaction product is cooled, filtered and washed, and dried to obtain the nano flame retardant.
[0037] (2) Preparation of fireproof coating:
[0038] First add the water-based epoxy emulsion, water-based epoxy curing agent and self-crosslinking silicone-acrylic emulsion into the mixing tank. After stirring evenly, add nano flame retardant, flame retardant synergist, filler, auxiliary and appropriate amount of water, and stir for 30 After min, add it to the ball mill and grind once. After evenly mixing, use the scraper fineness meter to check...
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[0040] Example 2:
[0041] Please refer to Table 1 and Table 2 for the formulation of the fire retardant coating of the present invention.
[0042] (1) Preparation of nano flame retardant:
[0043] Add each flame retardant raw material, water glass and surfactant into water 4 times the weight of the flame retardant raw material and heat to 90 o After C, the pH value is adjusted to 7.0 with dilute hydrochloric acid, the reaction product is cooled, filtered and washed after two hours of reaction, and dried to obtain the nano flame retardant.
[0044] (2) Preparation of fireproof coating:
[0045] First add the water-based epoxy emulsion, water-based epoxy curing agent and self-crosslinking silicone-acrylic emulsion into the mixing tank. After stirring evenly, add nano flame retardant, flame retardant synergist, filler, auxiliary agent and appropriate amount of water, and stir for 15 minutes Then add it to a ball mill and grind it once. After evenly mixing, use a scraper fineness meter to...
Example Embodiment
[0047] Example 3:
[0048] Please refer to Table 1 and Table 2 for the formulation of the fire retardant coating of the present invention.
[0049] (1) Preparation of nano flame retardant:
[0050] Add each flame retardant raw material, water glass and surfactant into water 3 times the weight of the flame retardant raw material and heat to 50 o After C, the pH value is adjusted to 7.5 with dilute sulfuric acid, the reaction product is cooled, filtered and washed after two hours of reaction, and dried to obtain the nano flame retardant.
[0051] (2) Preparation of fireproof coating:
[0052] First, add the water-based epoxy emulsion, water-based epoxy curing agent and self-crosslinking silicone acrylic emulsion into the mixing tank, and after stirring evenly, add nano flame retardant, flame retardant synergist, filler, auxiliary agent and appropriate amount of water, and stir for 20 minutes Then add it to a ball mill and grind it once. After evenly mixing, use a scraper fineness meter t...
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