Two-component epoxy organic anticorrosive paint and preparing method and using method thereof

An anti-corrosion coating, epoxy technology, applied in the field of coatings, to achieve good corrosion resistance

Inactive Publication Date: 2016-12-14
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional epoxy anti-rust paint has high requirements on the surface treatment of steel structures. When the project that has already been in operation needs to be repaired an

Method used

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  • Two-component epoxy organic anticorrosive paint and preparing method and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0036] Example 1:

[0037] A two-component epoxy organic anti-corrosion coating, including component A and component B;

[0038] Component A is made of the following raw materials in weight percentage: 33-43 parts of epoxy silicone resin, 27-35 parts of epoxy resin, 4-7 parts of glass flakes, 13-17 parts of pigment, 4-7 parts of filler, auxiliary 1.3-2.2 parts of agent, 2-4 parts of diluent;

[0039] Component B is made of the following raw materials in weight percentage: 35-50 parts of polyamide curing agent, 13-17 parts of pigment, 4-7 parts of filler, 0.7-1.2 parts of anti-settling agent, and 40-60 parts of solvent;

[0040] The mass ratio of component A to component B is 10: (1-1.2).

[0041] The epoxy resin is bisphenol A solid epoxy resin.

[0042] The glass flakes are glass flakes treated with a silane coupling agent, and the particle size is 200-300 mesh.

[0043] The pigment is one or more of phosphorus zinc white, epoxy iron red, titanium dioxide, zinc phosphate,...

Example Embodiment

[0052] Example 2:

[0053] A two-component epoxy organic anti-corrosion coating, including component A and component B;

[0054] Component A is made of the following raw materials in weight percentage: 33g of epoxy silicone resin, 27g of epoxy resin, 4g of glass flakes, 13g of pigment, 4g of filler, 1.3g of additive, and 2g of diluent;

[0055] Component B is made of the following raw materials in weight percentage: polyamide curing agent 35 g, pigment 13 g, filler 4 g, anti-settling agent 0.7 g, solvent 40 g;

[0056] The mass ratio of component A to component B is 10:1.

[0057] The epoxy resin is bisphenol A solid epoxy resin.

[0058] The glass flakes are glass flakes treated with a silane coupling agent, and the particle size is 200 mesh.

[0059] The pigment is phosphor zinc white.

[0060] The filler is a mixture of calcium carbonate and 1000 mesh talcum powder, and the mass ratio of talc powder to calcium carbonate is 4:3.

[0061] The additive is a mixture of pigme...

Example Embodiment

[0068] Example 3:

[0069] A two-component epoxy organic anti-corrosion coating, including component A and component B;

[0070] Component A is made of the following raw materials in weight percentage: 34g of epoxy silicone resin, 28g of epoxy resin, 4.4g of glass flakes, 13.4g of pigment, 4.4g of filler, 1.4g of additive, and 2.2g of diluent;

[0071] Component B is made of the following raw materials in weight percentage: polyamide curing agent 36 g, pigment 13.4 g, filler 4.4 g, anti-settling agent 0.75 g, solvent 42 g;

[0072] The mass ratio of component A to component B is 10:1.02.

[0073] The glass flakes are glass flakes treated with a silane coupling agent, and the particle size is 210 mesh.

[0074] The pigment is epoxy iron red.

[0075] The filler is a mixture of calcium carbonate and 1025 mesh talcum powder, and the mass ratio of talc powder to calcium carbonate is 4:3.

[0076] The additive is a mixture of pigment affinity group polymer copolymer dispersant,...

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Abstract

The invention discloses two-component epoxy organic anticorrosive paint. The paint comprises a component A and a component B; the component A is prepared from, by weight, 33-43 parts of epoxy organic silicon resin, 27-35 parts of epoxy resin, 4-7 parts of glass flake, 13-17 parts of pigment, 4-7 parts of filler, 1.3-2.2 parts of auxiliary and 2-4 parts of diluents; the component B is prepared from, by weight, 35-50 parts of polyamide curing agent, 13-17 parts of pigment, 4-7 parts of filler, 0.7-1.2 parts of anti-settling agent and 40-60 parts of solvent. The two-component epoxy organic anticorrosive paint the advantages that it is indicated through the comprehensive detection results of the paint that all physicochemical indexes reach the industrial standard, and a coating is tough, large in adhesive force, high in mechanical strength and long in anticorrosion life. The paint has good corrosion resistance, and it is proved through detection that salt mist resisting time reaches 4000 h, the paint does not bubble or rust. As the coating contains the glass flake with high pigment volume concentration, the glass flake is arrayed in the coating in an alternately overlapping mode to form a labyrinth effect, and the coating is excellent in shielding performance and impermeability and is resistant to permeation and corrosion of a corrosive medium.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a two-component epoxy organic anticorrosion coating and a preparation method and application method thereof. Background technique [0002] With the continuous development of the national economy and basic construction, the requirements for anti-corrosion of national key projects and large-scale projects are getting higher and higher. Large-scale steel equipment, components, and pipelines put forward higher requirements for coatings, that is, coatings are required to have excellent corrosion resistance. Rust and corrosion resistance, but also must have good construction, adaptability and durability. However, the traditional epoxy anti-rust paint has high requirements on the surface treatment of steel structures. When the project that has already been in operation needs to be repaired and painted, a second high-quality rust removal treatment must be carried out, and it...

Claims

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Application Information

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IPC IPC(8): C09D183/06C09D163/00C09D5/08C09D7/12
CPCC09D183/06C08L2205/03C09D5/08C08L63/00C08K13/06C08K9/06C08K7/00C08K3/40C08K3/34C08K2003/265
Inventor 张瑞珠李林杰任洋洋严大考韩林萍代超
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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