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Normal-temperature curing high-hardness steel bar anticorrosive coating and preparation method thereof

A kind of anti-corrosion coating, curing technology at room temperature, applied in the direction of anti-corrosion coating, anti-fouling/underwater coating, alkali metal silicate coating, etc., can solve the problems of human body harm, pollution of natural environment, etc., and achieve good moldability and preparation technology Simple, excellent effect of non-combustibility

Pending Publication Date: 2022-02-01
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, organic coatings are often used as anti-corrosion coatings on the surface of steel bars. Although they have the effect of inhibiting corrosion, since inorganic coatings are composed of resins, pigments, fillers, solvents and various additives, they evaporate from the film. Formaldehyde VOC is a toxic and harmful substance, which is not only harmful to the human body, but also pollutes the natural environment

Method used

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  • Normal-temperature curing high-hardness steel bar anticorrosive coating and preparation method thereof
  • Normal-temperature curing high-hardness steel bar anticorrosive coating and preparation method thereof

Examples

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Effect test

Embodiment 1

[0034] An anticorrosion coating for steel bars cured at room temperature with high hardness, comprising the following components in parts by weight: a solid component, a liquid component, and a styrene-acrylic emulsion; the weight ratio of the solid component to the liquid component is 1:0.9;

[0035] The solid components include: kaolin: 80 parts; slag: 5 parts; cement: 3 parts; latex powder 2.5 parts;

[0036] The liquid components include: sodium silicate: 80 parts; defoamer: 0.2 parts; adhesive agent: 1.2 parts; styrene-acrylic emulsion: 15 parts.

[0037] The kaolin is 1250 mesh kaolin powder produced by Lingshou Suda Mineral Products Co., Ltd., Lingshou County, Hebei Province, and its Al:Si=1.04.

[0038] The slag is S105 slag produced by Shijiazhuang Runchuan Building Materials Co., Ltd.

[0039] Described cement is Conch brand Po42.5 cement.

[0040] Described latex powder is Germany Wacker brand latex powder 5044N.

[0041] Described defoamer is silicone defoamer. ...

Embodiment 2

[0056]An anticorrosion coating for steel bars cured at room temperature with high hardness, comprising the following components in parts by weight: a solid component, a liquid component, and a styrene-acrylic emulsion; the weight ratio of the solid component to the liquid component is 1:0.95;

[0057] The solid components include: kaolin: 90 parts; slag: 8 parts; cement: 2.5 parts; latex powder 2.5 parts;

[0058] The liquid components include: sodium silicate: 90 parts; defoamer: 1 part; adhesive agent: 2.5 parts; styrene-acrylic emulsion: 20 parts.

[0059] The kaolin is 1250 mesh kaolin powder, and its Al:Si=1.04. The slag is S105 slag. Described cement is Po42.5 cement. The latex powder complained is rubber powder 5044N.

[0060] The defoamer is a silicone defoamer. The adhesive is silica sol LUDOX HS-40. Described sodium water glass is water glass.

[0061] Described water glass, the step of preparation method is:

[0062] Step 1) configuration mass fraction is 40%...

Embodiment 3

[0067] An anticorrosion coating for steel bars cured at room temperature with high hardness, comprising the following components in parts by weight: a solid component, a liquid component, and a styrene-acrylic emulsion; the weight ratio of the solid component to the liquid component is 1:1.0;

[0068] The solid components include: kaolin: 100 parts; slag: 10 parts; cement: 5 parts; latex powder 5 parts;

[0069] The liquid components include: sodium silicate: 100 parts; defoamer: 2 parts; adhesive agent: 5 parts; styrene-acrylic emulsion: 25 parts.

[0070] The kaolin is 1250 mesh kaolin powder, and its Al:Si=1.04. The slag is S105 slag. Described cement is Po42.5 cement. The latex powder complained is rubber powder 5044N.

[0071] The defoamer is a silicone defoamer. The adhesive is silica sol LUDOX HS-40. Described sodium water glass is water glass.

[0072] Described water glass, the step of preparation method is:

[0073] Step 1) configuration mass fraction is 40% s...

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Abstract

The invention discloses a normal-temperature curing high-hardness steel bar anticorrosive coating and a preparation method thereof. The normal-temperature curing high-hardness steel bar anticorrosive coating comprises kaolin, slag, cement, sodium silicate, sodium hydroxide, latex powder, a defoaming agent, an adherence promoter and styrene-acrylic emulsion. According to the invention, kaolin is taken as the raw material, and other inorganic powder and styrene-acrylic emulsion are doped for modification and enhancement, so that the metal anticorrosive coating which is good in film-forming property, high in strength, non-toxic and environment-friendly is obtained; the surface drying time of the coating material is 30 minutes, the hard drying time is 3 hours, the coating hardness is 9H in 24 hours, and the coating material has antibacterial activity, waterproofness and incombustibility and has excellent adhesion to the matrix on a metal or non-metal surface; the inorganic material powder used in the invention is widely distributed around the world, is cheap and easily available, and has the advantages of simple preparation process, low cost, no toxicity and no pollution.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a normal-temperature curing high-hardness anticorrosion coating for steel bars and a preparation method thereof. Background technique [0002] In the development of society and people's life, metal materials play an important role, but metal materials are often affected by the environment and corroded during use, which has brought huge losses to the national economy. According to statistics, every year the world Corrosion scrap metal is about 100 million tons, accounting for 20% to 40% of the annual output. The economic loss caused by corrosion of metal structures in the world has reached hundreds of billions of dollars every year. In order to prevent metal corrosion, people have taken many measures, such as metal electrochemical protection method, corrosive medium treatment method, overlay protection method and so on. But so far the most common, economical and practical protec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D1/04C09D7/61C09D7/65C09D5/08C09D5/14
CPCC09D1/00C09D1/04C09D7/61C09D7/65C09D5/08C09D5/14
Inventor 雒亿平江中华李炎隆刘云贺
Owner XIAN UNIV OF TECH
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