Surface silanization protection treatment agent for hard aluminum alloy and preparation method thereof
A hard aluminum alloy and silanization technology, applied in anti-corrosion coatings, coatings, etc., can solve problems such as environmental hazards, complex processes, and environmental pollution, and achieve the effects of enhanced corrosion resistance and low polarization current density
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[0018] A hard aluminum alloy surface silanization protection treatment agent is made of the following components, and the weight (grams) of each raw material component in every 500 grams of mixed solution is:
[0019] Monoethanolamine Benzoate 2, Gur Gum 5, Rosin 3, Trihydroxyethyl Isocyanurate 5-6, Maleic Anhydride 10, Diethylene Glycol Butyl Ether 4, Propylene Glycol 8, Succinic Acid 3, Vinyltriethoxysilane 12, the balance is deionized water.
[0020] The preparation method of described metal surface silanization protective treatment agent comprises the following steps:
[0021] (1) Heat and melt the rosin to 110-115°C, add diethylene glycol butyl ether and vinyltriethoxysilane, and stir for 35-50 minutes;
[0022] (2) Heat up to 145-160°C, add trihydroxyethylisocyanurate and maleic anhydride, and stir for 40-50 minutes;
[0023] (3) Continue to heat up to 190-205°C, add monoethanolamine benzoate and gull gum, and stir for 40-50 minutes;
[0024] (4) Cool down to 80-90°C,...
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