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Novel water-based epoxy anticorrosive coating and preparation method thereof

An anti-corrosion coating, water-based epoxy technology, applied in the field of coatings, can solve the problems of coating anti-corrosion performance, failure to meet product coating requirements, performance gap and other problems, achieve high market application value, good environmental protection performance, and improve anti-corrosion performance Effect

Inactive Publication Date: 2017-01-04
太仓市美航涂料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing water-based epoxy anti-corrosion coatings, due to the deficiencies in the selection of film-forming substances and anti-rust pigments, dosage matching, and addition of coating additives, have affected the anti-corrosion performance of the coating to a certain extent. There is a big gap, especially it cannot meet the coating requirements of products in special environments

Method used

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  • Novel water-based epoxy anticorrosive coating and preparation method thereof

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preparation example Construction

[0016] figure 1 It is a process step chart of the preparation method of the new water-based epoxy anti-corrosion coating in the embodiment of the present invention; the anti-corrosion coating is prepared by mixing the A-component letdown and the B-component curing material, and the preparation method includes the following steps: a) preparing Take component A color paste, b) prepare component A letdown paint, c) prepare component B curing material, d) mix components A and B to prepare paint.

[0017] The new water-based epoxy anti-corrosion coating mentioned in the present invention is based on water-based epoxy resin emulsion and water-based modified amine curing agent, and adopts suitable film-forming aids, dispersants, defoamers, leveling agents and other auxiliary agents. The active anti-rust pigment compounded by aluminum tripolyphosphate and zinc phosphate is selected for preparation. The prepared water-based epoxy anti-corrosion coating has good environmental performanc...

Embodiment 1

[0019] The specific preparation method is as follows:

[0020] a) Preparation of component A color paste, the specific preparation process is as follows: firstly weigh 2.2% iron oxide red, 10% rutile titanium dioxide, 20% precipitated barium sulfate, 3.1% mica powder, 14% active antirust pigment, 0.4% BYK-110 wetting and dispersing agent, 0.3% BYK-034 defoamer, 50% deionized water; then wetting and dispersing agent, defoaming agent and deionized water Mix to obtain the auxiliary agent mixture; then put iron oxide red, rutile titanium dioxide, precipitated barium sulfate, mica powder and active antirust pigment into the auxiliary agent mixture, and grind it to a fineness of less than 30um by a sand mill to obtain A component color paste.

[0021] b) Preparation of component A letdown, the specific preparation process is as follows: firstly weigh 45% of component A color paste, 50% of water-based epoxy resin emulsion, and 4.5% of ethylene glycol monobutyl ether film-forming aid...

Embodiment 2

[0025] The specific preparation method is as follows:

[0026] a) Preparation of component A color paste, the specific preparation process is as follows: firstly weigh 2.8% iron oxide red, 12% rutile titanium dioxide, 22% precipitated barium sulfate, 4.1% mica powder, 16% active antirust pigment, 0.6% BYK-110 wetting and dispersing agent, 0.5% BYK-034 defoamer, 42% deionized water; then wetting and dispersing agent, defoaming agent and deionized water Mix to obtain the auxiliary agent mixture; then put iron oxide red, rutile titanium dioxide, precipitated barium sulfate, mica powder and active antirust pigment into the auxiliary agent mixture, and grind it to a fineness of less than 30um by a sand mill to obtain A component color paste.

[0027] b) Preparation of component A letdown, the specific preparation process is as follows: firstly weigh 48% of component A color paste, 45% of water-based epoxy resin emulsion, and 6% of ethylene glycol monobutyl ether film-forming aid ...

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Abstract

The invention provides a novel water-based epoxy anticorrosive coating and a preparation method thereof. The anticorrosive coating is prepared by mixing a component A mixed paint with component B curing materials. The preparation method comprises the following steps of: a) preparing a component A color paste; b) preparing a component A mixed paint; c) preparing component B curing materials; and d) mixing the components A and B, thereby obtaining the coating. According to the novel water-based epoxy anticorrosive coating and the preparation method thereof disclosed by the invention, the anticorrosive coating is excellent in environmental friendliness; and according to proper ingredients and amount ratios, the anticorrosive property of the coating is greatly improved, and the anticorrosive coating has high market application value.

Description

technical field [0001] The invention relates to a coating, in particular to a novel water-based epoxy anticorrosion coating and a preparation method thereof, belonging to the technical field of coatings. Background technique [0002] Coatings are applied on the surface of objects by different construction techniques to form a continuous solid film with strong adhesion and certain strength. Coatings generally contain four basic components: film-forming substances, pigments, solvents and additives. As a class of modern multifunctional engineering materials, coatings are widely used. At present, my country's coatings industry is developing in three directions: environmental protection, economy, and high performance. It is vigorously developing low-content solvent, water-based and solvent-free, powder, and UV-curable coatings. In recent years, my country's coating industry has been committed to the development of low pollution, high solids or solvent-free coatings, water-based...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08C09D7/12
CPCC09D163/00C08K3/22C08K3/30C08K3/32C08K3/34C08K2003/2241C08K2003/2272C08K2003/3045C08K2003/327C08K2003/328C08K2201/014C09D5/084
Inventor 李文彪
Owner 太仓市美航涂料有限公司
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