Plastic patching material and preparation method
A technology of repairing material and main material, applied in the field of plastic repairing material and its preparation, can solve the problem of large amount of fine powder, etc., and achieve the effects of excellent construction performance, reduced production cost, and strong adhesion at room temperature
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Embodiment 1
[0028] In terms of weight percentage, 55% of alumina with a particle size of 3-0.074mm, 25% of mullite with a particle size of 2 o 3 Powder 18%, EVA rubber powder 2%, after mixing evenly, add sodium tripolyphosphate 0.8%, add oxalic acid 2%, add phosphoric acid solution 6%, mix and knead evenly to get plastic repair material.
[0029] Among them, EVA rubber powder (Ethylene-vinyl acetate) is a vinyl acetate / ethylene copolymer, which is made by copolymerizing vinyl acetate and ethylene.
Embodiment 2
[0031] In terms of weight percentage, 60% of mullite with a particle size of 3-0.074mm, 17% of alumina with a particle size of 2 o 3 Powder 20%, EVA rubber powder 3%, after mixing evenly, add sodium hexametaphosphate 0.8%, sodium tripolyphosphate 0.3%, add citric acid 3%, add aluminum dihydrogen phosphate solution 8%, mix evenly to get plastic repair material.
Embodiment 3
[0033] In terms of weight percentage, 65% of fused corundum with a particle size of 3-0.074mm, 15% of fused corundum with a particle size of 2 o 3 Powder 16%, EVA powder 4%, after mixing evenly, add sodium polyacrylate 0.5%, sodium tripolyphosphate 0.4%, sodium hexametaphosphate 0.3%, add oxalic acid 1%, molasses 1.5%, add phosphoric acid solution 5.5% And 4.5% aluminum dihydrogen phosphate solution, kneading evenly to obtain a plastic repair material.
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