Corrosion inhibitor for reinforced concrete and preparation method thereof

Abstract

The invention discloses a corrosion inhibitor for reinforced concrete. The corrosion inhibitor for reinforced concrete is prepared from the following components in parts by weight: 10-15 parts of surface modified Mo-Zn-Dy-O-B, 10-15 parts of (1R, 2R, 3S, 4R, 6S)-4, 5-diamino-2, 3- dihydroxy cyclohexyl-6-amino-6-deoxy-alpha-D-glucopyranoside, 15 to 20 parts of epoxy glycoside modified {(2S)-2-{bis[3, 5-bis (trifluoromethyl) phenyl] hydroxymethyl}-1-pyrrolidinyl [4-(1-pyrrolidinyl)-3-pyridyl] ketone, 60 to 70 parts of water and 0.01 to 0.05 part of an air entraining agent. The invention also discloses a preparation method of the corrosion inhibitor for reinforced concrete. The corrosion inhibitor for reinforced concrete has the advantages of being low in preparation cost, environmentally friendly, remarkable in corrosion inhibition effect, low in dosage, good in adaptability to cement, capable of properly improving the performance of concrete and the like.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a rust inhibitor for reinforced concrete and a preparation method thereof. Background technique [0002] In recent years, with the expansion of the scale of national large-scale engineering construction and the deterioration of natural conditions, the corrosion of steel bars in concrete has become increasingly apparent, which has brought serious harm to the normal use of concrete structures and brought serious harm to the national economy or the safety of people's lives and properties. The immeasurable loss has become a worldwide concern of the concrete industry and even the entire engineering field. Preventing and controlling the corrosion of steel bars is the guarantee to ensure the safety of concrete structures and the key to improving the quality of projects. [0003] There are many technical measures to prevent the corrosion of steel bars. On the basis of improvi...

AI Technical Summary

Problems solved by technology

The concrete reinforcement rust inhibitor of the present invention has no negative influence on concrete properties, and has high-efficiency reinforcement corrosion resistance, and can be widely used in newly mixed reinforced concrete structures such as harbor projects, coastal buildings, and civil buildings. The combined use of these materials has excellent anti-corrosion properties, but it has not been considered to improve other properties of concrete, such as compactness, impermeability, etc., from the concrete anti-corrosion agent itself.

If the concrete mix design is unreasonable, it may aggravate the occurrence of corrosion

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