Coating for rack of grain conveying machine
A technology for conveyors and racks, which is applied in the field of coatings for grain conveyor racks. It can solve the problems of being easily corroded and corroded, affecting the strength of use, and safety, and achieves strong water and corrosion resistance, enhanced protection, and extended use. Effects on longevity and safety
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Embodiment 1
[0025] A coating for a grain conveyor frame, made of the following substances by weight:
[0026] 30 parts of polyurethane formate, 14 parts of phenolic resin, 6 parts of C9 petroleum resin, 8 parts of acrylic emulsion, 4 parts of reinforcing additive, 1 part of pigment and filler, 1 part of defoamer, 0.5 part of dispersant, 3 parts of kaolin, 2 parts Calcium carbonate, 1 part diaminodiphenyl sulfone, 2 parts ethyl acetate, 10 parts deionized water.
[0027] Further, the preparation method of the reinforcing additive is specifically:
[0028] a. Take the following materials in corresponding parts by weight: 33 parts of N-methylpyrrolidone, 8 parts of dimethylol propionic acid, 5 parts of isophorone diisocyanate, 3 parts of dibutyltin dilaurate, and then combine the above materials together Put it into the reactor, and keep stirring for 1.2 hours to get the reactant A for later use;
[0029] b. Add 28% methyl ethyl ketone and 7% nitrocellulose of the total mass of reactant A ...
Embodiment 2
[0040] A coating for a grain conveyor frame, made of the following substances by weight:
[0041] 33 parts of polyurethane formate, 15 parts of phenolic resin, 8 parts of C9 petroleum resin, 9 parts of acrylic emulsion, 6 parts of reinforcing additives, 1.3 parts of pigment and filler, 1.5 parts of defoamer, 1 part of dispersant, 4 parts of kaolin, 3 parts Calcium carbonate, 2 parts of diaminodiphenyl sulfone, 3 parts of ethyl acetate, 11 parts of deionized water.
[0042] Further, the preparation method of the reinforcing additive is specifically:
[0043] a. Take the following materials in corresponding parts by weight: 35 parts of N-methylpyrrolidone, 10 parts of dimethylol propionic acid, 6 parts of isophorone diisocyanate, 5 parts of dibutyltin dilaurate, and then combine the above materials together Put it into the reactor, and keep stirring for 1.4 hours to get the reactant A for later use;
[0044] b. Add methyl ethyl ketone with a total mass of 28-32% of reactant A ...
Embodiment 3
[0055] A coating for a grain conveyor frame, made of the following substances by weight:
[0056] 35 parts of urethane formate, 16 parts of phenolic resin, 9 parts of C9 petroleum resin, 10 parts of acrylic emulsion, 7 parts of reinforcing additives, 1.5 parts of pigment and filler, 2 parts of defoamer, 1.5 parts of dispersant, 5 parts of kaolin, 4 parts Calcium carbonate, 3 parts of diaminodiphenyl sulfone, 4 parts of ethyl acetate, 12 parts of deionized water.
[0057] Further, the preparation method of the reinforcing additive is specifically:
[0058] a. Take the following materials in corresponding parts by weight: 36 parts of N-methylpyrrolidone, 12 parts of dimethylol propionic acid, 7 parts of isophorone diisocyanate, 6 parts of dibutyltin dilaurate, and then combine the above materials together Put it into the reactor, and keep stirring for 1.5h to get the reactant A for later use;
[0059] b. Add 32% methyl ethyl ketone and 10% nitrocellulose to the reaction kettle...
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Abstract
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