Anti-cracking and anti-fouling paint for ship bottom and preparation method thereof
An anti-cracking and coating technology, applied in the field of coatings, can solve the problems of poor cracking resistance and anti-fouling properties of coatings, wear and damage of hull surface coatings, etc., to achieve improved cracking resistance and anti-fouling properties, long service life, and easy The effect of wear and tear
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Embodiment 1
[0035] Under the vacuum degree of -0.05MPa, according to the mass percentage, polyvinyl alcohol 20%, dibutyl phthalate 8%, fumed silica 6%, polyamide resin 7.8%, organofluorosilicon polymer emulsion 2.3% , heat each material, and conduct ultrasonic treatment for 35 minutes, then stir and mix at a high speed under the condition of 1000r / min, and add one-third of the additives synchronously. Jet the obtained mixture into the autoclave, add 11% of high-strength cellulose, 6-8% of ceramic powder, 5.5% of silicon carbide, and 3% of anti-rust pigment to the autoclave in sequence according to the mass percentage, and heat the mixture at 1800r / min Stir and mix under certain conditions, and drop half of the remaining additives synchronously. Add 7.5% of polyvinyl alcohol, 1.5% of high chlorinated polyethylene resin, 8.2% of isobutanol, 5.5% of chlorinated ether resin, 12% of anti-cracking agent to the mixture obtained after stirring and mixing, and add the remaining additives dropwise....
Embodiment 2
[0037] Under the vacuum degree of -0.08MPa, according to the mass percentage, polyvinyl alcohol 20%, dibutyl phthalate 8%, fumed silica 6%, hydroxypropyl methylcellulose 2-4.8%, polyamide Resin 7.8%, organofluorosilicon polymer emulsion 2.3%, each material was heated and ultrasonically treated for 35 minutes, then stirred and mixed at a high speed under the condition of 1000r / min, and one-third of the additive was simultaneously added dropwise. The obtained mixture is injected into the autoclave, and 11% of high-strength cellulose, 6-8% of ceramic powder, 5.5% of silicon carbide, 1.5-4.5% of dispersible cellulose ether, Anti-rust pigment 3%, and stir and mix under the condition of 1800r / min, synchronously drop half of the remaining additives. Add 7.5% of polyvinyl alcohol, 1.5% of high chlorinated polyethylene resin, 8.2% of isobutanol, 5.5% of chlorinated ether resin, 12% of anti-cracking agent to the mixture obtained after stirring and mixing, and add the remaining additives...
Embodiment 3
[0039] Under the vacuum degree of -0.05MPa, according to the mass percentage, provide polyvinyl alcohol 20%, dibutyl phthalate 8%, fumed silica 6%, epoxy ester resin 8-12%, hydroxypropyl methyl 2-4.8% of cellulose, 7.8% of polyamide resin, 2.3% of organic fluorosilicon polymer emulsion, heat each material, and conduct ultrasonic treatment for 35 minutes, then stir and mix at a high speed under the condition of 1000r / min, and drop them simultaneously one-third of the additive. The obtained mixture is injected into the autoclave, and 11% of high-strength cellulose, 6-8% of ceramic powder, 5.5% of silicon carbide, 1.5-4.5% of dispersible cellulose ether, Anti-rust pigment 3%, and stir and mix under the condition of 1800r / min, synchronously drop half of the remaining additives. Add 7.5% of polyvinyl alcohol, 1.5% of high chlorinated polyethylene resin, 8.2% of isobutanol, 5.5% of chlorinated ether resin, 12% of anti-cracking agent to the mixture obtained after stirring and mixing...
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