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Water-based epoxy acrylic resin anticorrosive paint and preparation method thereof

A technology of epoxy acrylic and anti-corrosion coatings, applied in epoxy resin coatings, anti-corrosion coatings, coatings, etc., can solve the problems of slow drying, hardness, anti-pollution, solvent resistance, heat and humidity resistance, and unstable mechanical properties. It cannot be applied to problems such as on-site construction, and achieves the effects of stable storage performance, excellent adhesion and convenient construction operations.

Inactive Publication Date: 2015-06-03
HENAN JINFENG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the traditional acrylic resin has the advantages of light color, high transparency, good gloss and color retention, strong adhesion, high corrosion resistance and convenient construction, its hardness, pollution resistance, solvent resistance, heat and humidity resistance and mechanical properties Both are unstable, which limits its further application. For a long time, it has been mostly used as surface paint, while primers generally use alkyd, epoxy and other coating systems. However, these systems dry slowly during use and cannot be applied to on-site construction. Requirements, in recent years, with the continuous improvement of polymerization technology, the modification of acrylic resin has attracted widespread attention. The epoxy acrylic resin made by reaction of epoxy resin and acrylic resin or cold blending can improve the mechanical properties of the film-forming material. The development of new environmentally friendly, low-cost epoxy acrylic coatings has important practical significance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of waterborne epoxy acrylic resin anticorrosion paint, is mixed by each component of following weight ratio:

[0022] Epoxy acrylic resin 27%; carbon black 2%; precipitated barium sulfate 27%; anti-rust pigment 5%; functional additive 0.6%; dimethylethanolamine 2.2%; Agent 0.2%; deionized water 30%. Among them, among the functional additives, Dispensant 2875 wetting and dispersing agent and BYK-019 defoamer are used.

[0023] The preparation method is:

[0024] a. According to the total weight ratio of the formula, add 27% epoxy acrylic resin, 6% ethylene glycol butyl ether and 10% deionized water into the dispersion tank, and stir evenly at a speed of 400-600 rpm. Add 0.6% of functional additives, that is, 0.3% of Dispensant 2875 wetting and dispersing agent and 0.3% of BYK-019 defoamer, stir for 0.5 hours, and then add 2% of charcoal at a speed of 300-400 rpm Black, 27% precipitated barium sulfate and 5% anti-rust pigment, speed up stirring to make it disper...

Embodiment 2

[0028] A kind of waterborne epoxy acrylic resin anticorrosion paint, is mixed by each component of following weight ratio:

[0029] Epoxy acrylic resin 32%; Carbon black 2.5%; Precipitated barium sulfate 22%; Antirust pigment 9%; Functional auxiliary agent 1%; Dimethylethanolamine 1.6%; 1) 5.5%; WT-1130 thickener 0.4%; deionized water 26%. Among them, among the functional additives, X-405 wetting and dispersing agent and BYK-019 defoaming agent are used.

[0030] The preparation method is:

[0031] a. According to the total weight ratio of the formula, add 32% epoxy acrylic resin, 5.5% co-solvent and 10% deionized water into the dispersion tank, stir evenly at a speed of 400-600 rpm, then add 1% Functional additives, that is, 0.5% of X-405 wetting and dispersing agent and 0.5% of BYK-019 defoamer, stirred for 0.5 hours, and then added 2.5% of carbon black, 22% of precipitated barium sulfate and 9% of anti-rust pigment, speed up stirring to make it evenly dispersed, to obtai...

Embodiment 3

[0035] A kind of waterborne epoxy acrylic resin anticorrosion paint, is mixed by each component of following weight ratio:

[0036] Epoxy acrylic resin 37%; Carbon black 3%; Precipitated barium sulfate 17%; Antirust pigment 13%; Functional auxiliary agent 1.4%; Dimethylethanolamine 1%; : 1) 5%; AES60 thickener 0.6%; deionized water 22%. Among them, among the functional additives, Orotan 731A wetting and dispersing agent and BYK-020 defoamer are used.

[0037] The preparation method is:

[0038] a. According to the total weight ratio of the formula, add 37% epoxy acrylic resin, 5% co-solvent and 10% deionized water into the dispersion tank, stir evenly at a speed of 400-600 rpm, then add 1.4% Functional additives, that is, 0.7% of Orotan 731A wetting and dispersing agent and 0.7% of BYK-020 defoamer, stirred for 0.5 hours, and then added 3% of carbon black, 17 % of precipitated barium sulfate and 13% of anti-rust pigment, speed up stirring to disperse it evenly, and obtain a...

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Abstract

The invention provides a water-based epoxy acrylic resin anticorrosive paint and a preparation method thereof. The water-based epoxy acrylic resin anticorrosive paint is prepared from the following components in percentage by weight: 27%-37% of epoxy acrylic resin, 2%-3% of carbon black, 17%-27% of precipitated barium sulphate, 5%-13% of an anti-rust pigment, 0.6%-1.4% of a functional additive, 1%-2.2% of dimethylethanolamine, 5%-6% of a cosolvent, 0.2%-0.6% of a thickener and 22%-30% of deionized water. The water-based epoxy acrylic resin anticorrosive paint is simple in production technology, available in raw materials, excellent in metal surface adhesion and stable in storage property, and has the characteristics of being non-toxic, low in organic compound emission, and free of ignition; and on-site construction work is convenient (single-component low-temperature self-crosslinking solidification).

Description

technical field [0001] The invention relates to the technical field of paint production, in particular to a water-based epoxy acrylic resin anticorrosion paint and a preparation method thereof. Background technique [0002] As human beings pay more and more attention to the environment and health, water-based coatings have been used more and more widely. The pollution caused by the organic volatile substances released during the production and use of traditional solvent-based paints has become the main pollution in cities after cars. In order to solve these problems, people have searched for many alternative paints. The development of radiation curing and high solid content has become the consensus of the coating industry. Among them, water-based anti-corrosion coatings have become a research hotspot due to their convenient source, easy purification, low cost, non-toxicity, and non-irritation. The main applications of water-based industrial anti-corrosion coatings include w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D7/12C09D5/08
CPCC09D163/10C09D5/084C09D7/43C09D7/61C09D7/63C08L33/02C08K13/02C08K3/04C08K2003/3045C08K2003/327C08K2003/328
Inventor 刘宪立王占森王长森孙幸锋王军纪王改娟
Owner HENAN JINFENG CHEM
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