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Semi-interpenetrating network structure double-component fire resistant paint
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A technology of high temperature resistant paint and network structure, applied in the field of paint, can solve the problems of insufficient heat resistance and high temperature resistance, achieve excellent heat resistance and corrosion resistance, facilitate large-area construction, excellent heat resistance and high temperature resistance. The effect of durability
Inactive Publication Date: 2009-08-05
CHONGQING SANXIA PAINTS CO LTD
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[0005] The present invention aims at the heat resistance and high temperature resistance of the silicone coating of Si—O bond in the prior art, which needs to be improved. Hot 600 ℃ semi-interpenetrating network structure two-component high temperature resistant coating
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Embodiment 1
[0029] 1. Weigh 35KG of silicate of component A, 20KG of ethanol as solvent, 40KG of butanol as solvent, and 5KG of water (total weight 100KG), add them into the reaction kettle, and mix under the condition of temperature 40°C-80°C , react for 8-16 hours, filter and pack after passing the inspection.
[0030] 2. Weigh 20KG of acrylic resin of component B, 8KG of polyethylene wax as anti-settling agent, 12KG of silicone resin as high temperature resistant resin, 40KG of aluminum powder, 20KG of butyl acetate as solvent (total weight 100KG), mix Uniform, filtered and packaged after passing the inspection.
[0031] 3. Mix the above-mentioned components A and B evenly in proportion. In practice, mix 30KG of component A with 75KG of component B. The mass of component A: the mass of component B = 2:5, adjust the construction viscosity, and carry out construction after filtration .
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Abstract
The invention discloses a two-component high-temperature resistant coating with a semi-interpenetrating network structure, which is composed of two components A and B. The composition and weight percentage of component A are: solvent (ethanol, butanol, butyl acetate) 35-65, Water 3-6, silicate 30-60; the composition and weight percentage of component B are: acrylic resin 15-35, high temperature resistant resin (silicone resin, silicone resin, ethyl cellulose) 10-28, at least Anti-sedimentation aid 5-12, aluminum powder 15-46, solvent (ethanol, butanol, butyl acetate) 10-20; the mixing weight ratio of the two components is A component: B component = (1.8-2.5) : (4.2-5.8). The coating of the present invention, through the interpenetration of inorganic silicon and organic silicon materials, not only has a Si-O-Si inorganic structure, but also has good heat resistance and durability; it also contains Si-C bond organic groups, and has organic polymerization Solubility and insulation of substances, both the characteristics of inorganic compounds and organic compounds, have excellent heat resistance, water resistance, weather resistance; when thermal oxidation at high temperature, only the side chain organic group breaks, and the main chain The Si-O-Si bond begins to break at 350°C, so it has high thermal stability.
Description
technical field [0001] The invention relates to the technical field of paint making, in particular to a semi-interpenetrating network structure two-component high-temperature-resistant paint. Background technique [0002] Heat-resistant paint (heat-resistant paint) is a special paint that is widely used in high-temperature equipment, such as chimneys, high-temperature steam pipes, high-temperature furnaces, petroleum cracking devices, automobile exhaust pipes, and military equipment. Such metal equipment is oxidized and corroded in a high temperature environment to ensure the long-term use of the equipment. With the rapid development of the national economy, the market for high-temperature-resistant coatings is becoming more and more extensive, and the market demand is great. [0003] In the prior art, technologies related to high-temperature resistant coatings have been launched one after another. At present, it is common to introduce organosilicon functional groups on the...
Claims
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Application Information
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