Metal substrate long-lasting anticorrosive inter-coat and preparation method thereof

A long-term anti-corrosion, metal substrate technology, applied in anti-corrosion coatings, coatings, polyurea/polyurethane coatings, etc., can solve the problems of loss of anti-corrosion function, chemical bond breakage, short anti-corrosion period, etc., to achieve good metal anti-corrosion effect, The effect of promoting curing and inhibiting corrosion

Active Publication Date: 2018-12-14
惠州市湾厦表面处理技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current anti-corrosion coatings, because the main chain in the film-forming material is composed of C-C bonds, are prone to chemical bond breakage under the irradiation of ultraviolet light, thus losing the anti-corrosion function, resulting in a short anti-corrosion period; therefore, the development of long-acting Durable anti-corrosion coatings have become an important direction of current coatings research, the key is to prepare high-performance resins and high-performance long-term anti-corrosion additives

Method used

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  • Metal substrate long-lasting anticorrosive inter-coat and preparation method thereof
  • Metal substrate long-lasting anticorrosive inter-coat and preparation method thereof
  • Metal substrate long-lasting anticorrosive inter-coat and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A long-acting anti-corrosion medium coating for metal substrates, which is composed of A and B two components, and the weight ratio of the A component and the B component is 100:30;

[0051] Wherein, described component A is made up of following raw material by weight:

[0052] 55 parts of epoxy-silicone resin modified acrylic resin emulsion, 15 parts of functionalized modified graphene, 15 parts of talc powder with a particle size of 5um, 10 parts of ethylene glycol ether, 0.3 part of defoamer BYK066N, selected from BYK Chemical company, 1 part of leveling agent EFKA3777, selected from Ciba Company, 0.8 part of cobalt organic acid soap, 0.5 part of thickener R305, selected from Zhongwan Company, 1 part of wetting agent TEGO WET 260, selected from Tego Company , 35 parts of deionized water

[0053] Described B component is made up of following raw material by weight:

[0054] 45 parts of isocyanate curing agent, 15 parts of ethylene glycol ether;

[0055] The epoxy-s...

Embodiment 2

[0074] A long-acting anti-corrosion medium coating for metal substrates, which is composed of A and B two components, and the weight ratio of the A component and the B component is 100:25;

[0075] Wherein, described component A is made up of following raw material by weight:

[0076] 60 parts of epoxy-silicone resin modified acrylic resin emulsion, 12 parts of functionalized modified graphene, 10 parts of talc powder with a particle size of 1um, 8 parts of butanol, 0.1 part of defoamer BYK066N, selected from BYK Chemicals , 0.5 parts of leveling agent EFKA3777, selected from Ciba Company, 0.3 parts of cobalt organic acid soap, 0.3 parts of thickener R305, selected from Zhongwan Company, 0.5 parts of wetting agent TEGO WET260, selected from Tego Company, deionized 30 parts of water

[0077] Described B component is made up of following raw material by weight:

[0078] 40 parts of isocyanate curing agent, 10 parts of butanol;

[0079] The epoxy-silicone resin modified acryli...

Embodiment 3

[0098] A long-acting anti-corrosion medium paint for metal substrates, which is composed of A and B two components, and the weight ratio of the A component and the B component is 100:35;

[0099] Wherein, described component A is made up of following raw material by weight:

[0100] 50 parts of epoxy-silicone resin modified acrylic resin emulsion, 18 parts of functionalized modified graphene, 20 parts of talc powder with a particle size of 10um, 12 parts of isopropanol, 0.5 part of defoamer BYK066N, selected from BYK Company, leveling agent EFKA37770.8 parts, selected from Ciba Company, cobalt organic acid soap 0.5 parts, thickener R305 0.8 parts, selected from Zhongwan Company, wetting agent TEGOWET 260 0.8 parts, selected from Tego Company, 32 parts deionized water

[0101] Described B component is made up of following raw material by weight:

[0102] 50 parts of isocyanate curing agent, 20 parts of isopropanol;

[0103] The epoxy-silicone resin modified acrylic resin emu...

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Abstract

The invention belongs to the technical field of anticorrosive coating, and in particular, relates to a metal substrate long-lasting anticorrosive inter-coat and a preparation method thereof, wherein the inter-coat is composed of a component A and a component B, and the component A is composed of the following raw materials in parts by weight: 50-60 parts of an epoxy-organosilicone resin modified acrylic resin emulsion, 12-18 parts of functionalized modified graphene, 10-20 parts of a filler, 8-15 parts of a cosolvent, 0.1-0.5 part of a defoamer, 0.5-1 part of a leveling agent, 0.3-0.8 part ofa water-based drier, 0.3-0.8 part of a thickener, 0.5-1 part of a wetting agent, and 30-35 parts of deionized water; the component B is composed of the components in parts by weight: 40-50 parts of anisocyanate curing agent, and 10-20 parts of a cosolvent. The inter-coat has the advantages of long-term excellent anticorrosive performance, strong adhesion force of the substrate, high mechanical strength, excellent friction resistance, excellent salt spray resistance, good water resistance, chemical resistance, oil resistance and impact resistance, high construction adaptability and the like.

Description

technical field [0001] The invention belongs to the technical field of anti-corrosion coatings, and in particular relates to a long-acting anti-corrosion intermediate coating for metal substrates and a preparation method thereof. Background technique [0002] Steel is the most widely used metal with the widest range of applications. Protecting steel, retarding its corrosion, and prolonging the life of steel products are the most important anti-corrosion work. In the field of corrosion and anti-corrosion, the most concerned is the corrosion and protection of steel. In practice, more anti-corrosion Corrosion methods mainly use corrosion inhibitors, electrochemical protection (including cathodic protection and anodic protection), the use of anti-corrosion coatings and anti-corrosion coatings. In industrially developed countries, the direct economic loss caused by corrosion accounts for 1% to 4% of the total output value of the national economy, the annual corroded and rusted s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/08C09D7/61C08F283/10
CPCC08F283/10C09D5/08C09D175/04C09D7/61C08K9/02C08K9/06C08K9/08C08K3/042C08K3/34
Inventor 华月圆
Owner 惠州市湾厦表面处理技术有限公司
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