Heat-insulating and anticorrosive real-stone coating
A real stone paint, anti-corrosion technology, applied in the field of building materials, can solve the problems of poor thermal insulation and anti-corrosion performance, and achieve the effect of improving heat-resistant thermal insulation effect, improving thermal stability, and improving internal mechanical properties
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[0031] The preparation method of composite paint body base material comprises the steps:
[0032] (1) At 28~35°C, take phenol and ammonia solution with a mass fraction of 12% at a mass ratio of 5~8:3 and mix them in a reaction kettle to obtain a mixed solution, raise the temperature to 60~75°C, and add 20~35% of the mixed solution formaldehyde and melamine with a mass of 10-15% of the mixed liquid, stirred magnetically at 450-800r / min for 40-60min, raised the temperature to 80-95°C, and added nano-TiO with a mass of 4-8% of the mixed liquid 2 1. Mix boric acid with a mass of 8-14%, magnetically stir at 500-800r / min for 25-40min, heat up to 150-165°C, keep warm for 1-3h, and discharge to obtain a modified phenolic resin;
[0033] (2) Mix modified phenolic resin, carbodiimide and polyacrylic acid zinc resin in a mixer at 20~35°C according to the mass ratio of 6~9:1:4, and stir magnetically at 500~800r / min for 1~ 3h, heat up to 40~55°C, add reagent A which is 2~5 times the mass ...
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