Waterproof anticorrosion radiator paint and preparing method thereof
A car water tank, corrosion-resistant technology, used in anti-corrosion coatings, coatings, epoxy resin coatings, etc., can solve the problem of easy peeling off of surface paint, and achieve the effect of improving service life and good water and corrosion resistance.
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[0017] The invention provides a method for preparing a water-resistant and corrosion-resistant automobile water tank paint, wherein the preparation method comprises:
[0018] 1) Under the condition that the pH is 8-10, the aluminum nitrate solution is mixed with polyethylene glycol to prepare a precursor;
[0019] 2) drying the precursor to obtain dry glue;
[0020] 3) calcining the dry glue at a temperature of 1100-1300° C. and then grinding it to obtain a powder;
[0021] 4) mixing the powder prepared in step 3) with nano-titanium dioxide, graphene, diatomaceous earth and water through ultrasonic vibration to prepare the mixture M1;
[0022] 5) mixing and melting alkyd resin, coumarone resin and epoxy resin to obtain mixture M2;
[0023] 6) Under the condition of heating and stirring, the mixture M1 and the mixture M2 are mixed to prepare a water-resistant and corrosion-resistant automobile water tank paint.
[0024] In the present invention, the aluminum nitrate solution...
Embodiment 1
[0035] 1) Under the condition that the pH is 8, 5 parts by weight of aluminum nitrate solution (aqueous solution of aluminum nitrate with an aluminum nitrate content of 10% by weight) is mixed with 10 parts by weight of polyethylene glycol to prepare a precursor;
[0036] 2) Dry the precursor at a temperature of 60°C for 30 minutes to obtain dry glue;
[0037] 3) Calcining the dry glue at a temperature of 1100° C. for 0.5 h and then grinding it to obtain a powder;
[0038] 4) 5 parts by weight of the powder prepared in step 3) were mixed with 3 parts by weight of nano-titanium dioxide, 2 parts by weight of graphene, 20 parts by weight of diatomaceous earth and 100 parts by weight of water through ultrasonic vibration to prepare the mixture M1;
[0039] 5) mixing and melting 100 parts by weight of alkyd resin, 20 parts by weight of coumarone resin and 30 parts by weight of epoxy resin to prepare the mixture M2;
[0040] 6) Under the condition of heating and stirring, 20 parts ...
Embodiment 2
[0042] 1) Under the condition that the pH is 10, 15 parts by weight of aluminum nitrate solution (aqueous solution of aluminum nitrate with an aluminum nitrate content of 20% by weight) is mixed with 10 parts by weight of polyethylene glycol to prepare a precursor;
[0043] 2) Dry the precursor at a temperature of 80°C for 50 minutes to obtain dry glue;
[0044] 3) Calcining the dry glue at a temperature of 1300° C. for 2 hours and then grinding it to obtain a powder;
[0045] 4) 20 parts by weight of the powder prepared in step 3) were mixed with 5 parts by weight of nano-titanium dioxide, 6 parts by weight of graphene, 40 parts by weight of diatomaceous earth and 100 parts by weight of water through ultrasonic vibration to prepare the mixture M1;
[0046] 5) mixing and melting 100 parts by weight of alkyd resin, 30 parts by weight of coumarone resin and 50 parts by weight of epoxy resin to prepare the mixture M2;
[0047] 6) Under the condition of heating and stirring, 30 p...
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