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A technology of high temperature resistance and composition, applied in the field of water-based high temperature resistant and anti-corrosion compositions, can solve problems such as poor anti-corrosion effect, and achieve the effects of not easy to discolor, simple and convenient construction, and good impact resistance.
Pending Publication Date: 2021-05-25
烟台万华新材料技术有限公司
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[0004] Aiming at the problem of poor anticorrosion effect on the existing metal surface, the present invention provides a water-based high temperature resistant anticorrosion composition, which comprises the following components in parts by weight: 45-90 parts of polymer matrix, 15-70 parts of dense filling powder , 0.5-4 parts of rare earth metal, 5-40 parts of dispersant, 2-25 parts of leveling agent and 10-30 parts of inorganic adhesive
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Embodiment 1
[0021] A water-based high temperature resistant anticorrosion composition, comprising the following components by weight:
[0022] 90 parts of modified epoxy resin, 5 parts of nano-alumina, 5 parts of nano-titanium dioxide, 5 parts of nano-magnesium oxide, 0.5 part of scandium, 40 parts of polyethylene glycol 200, 2 parts of silicone resin, 10 parts of water glass and 10 parts of silica gel share.
Embodiment 2
[0024] A water-based high temperature resistant anticorrosion composition, comprising the following components by weight:
[0025] 50 parts of water-based silicone resin, 10 parts of nano-silica, 5 parts of nano-yttrium oxide, 1 part of nano-cerium oxide, 7 parts of nano-zinc hydroxide, 1 part of lanthanum, 20 parts of polyaspartic acid, 20 parts of dipropylene glycol methyl ether , 2 parts of carboxymethyl cellulose, 20 parts of silica gel and 5 parts of titanium dioxide.
Embodiment 3
[0027] A water-based high temperature resistant anticorrosion composition, comprising the following components by weight:
[0028] 60 parts of high temperature resistant silicone resin, 15 parts of nano-alumina, 1 part of nano-zinc oxide, 22 parts of nano-magnesia, 14 parts of nano-silicon dioxide, 5 parts of nano-yttrium oxide, 13 parts of nano-cerium oxide, 4 parts of lanthanum, polyethylene 10 parts of glycol 400, 5 parts of polyaspartic acid, 12 parts of dipropylene glycol methyl ether, 13 parts of propylene glycol methyl ether, 25 parts of polyether modified polysiloxane (number average molecular weight 12000) and 15 parts of silica gel.
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Abstract
The invention discloses a water-based high-temperature-resistant anti-corrosion composition which comprises the following components in parts by weight: 45-90 parts of a polymer matrix, 15-70 parts of compact filling powder, 0.5-4 parts of rare earth metal, 5-40 parts of a dispersing agent, 2-25 parts of a flatting agent and 10-30 parts of an inorganic adhesive. The water-based high-temperature-resistant anti-corrosion composition is good in anti-corrosion performance, does not re-rust in a high-salt environment and particularly has more outstanding performance in corrosion environments such as salt mist and acid rain, the ultraviolet aging resistance is 3-5 times that of a traditional coating, the salt mist test can reach 2400 h or above, and the service life of the water-based high-temperature-resistant anti-corrosion composition meets the requirement of Centennial Project. The water-based high-temperature-resistant anti-corrosion composition disclosed by the invention is high-temperature-resistant and non-combustible, is an A-grade fireproof non-combustible material, has ultrahigh surface hardness which can reach 4-9H, particularly outstanding scratch resistance and good impact resistance, and can meet the requirements of various special environments.
Description
technical field [0001] The invention relates to the field of coatings, in particular to a water-based high temperature resistant anticorrosion composition. Background technique [0002] The annual direct economic loss caused by corrosion accounts for about 1%-4% of GDP, corroded and rusted steel accounts for about 20% of my country's annual steel output, and the loss is about 800 billion yuan, accounting for about 3% of GDP. has received more and more national attention. In order to enhance adhesion and surface effect, traditional anti-corrosion materials still use oil-based organic chemical paints or anti-corrosion coatings. During the process of manufacture and use, VOCs are continuously released, and chemical substances such as formaldehyde, benzene, arsenic, and chromium are harmful to the environment and human body. It is one of the main sources of pollution of water, soil and air. [0003] The anticorrosion of steel structures such as outdoor metal surfaces and ship m...
Claims
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