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Water-based alcohol-acid finishing paint

A technology of water-based alkyd and water-based alkyd resin, applied in coatings, anti-corrosion coatings, polyester coatings, etc., can solve problems such as poor scratch resistance, easy flash rust, and slow water volatilization, and achieve good anti-settling properties, enhance adhesion, and reduce particle size

Inactive Publication Date: 2019-01-18
TIANJIN MEISHIBANG PAINT CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current technology cannot completely replace the solvent-based paint, and its performance is inferior to that of the solvent-based paint, such as slow water volatilization, poor drying, and prone to flash rust; relatively soft and flexible water-based paints are weather-resistant and resistant. Slightly inferior in scratch performance

Method used

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  • Water-based alcohol-acid finishing paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A water-based alkyd topcoat, comprising the following components in parts by weight: water-based alkyd resin 30.0, light chrome yellow 10.0, drier 0.8, dispersant 0.5, polyether modified silicon type defoamer 0.3, fineness 4000 mesh ultrafine barium sulfate 16.0, titanium dioxide 5.3, attapulgite 1.8, 2% EW bentonite pregel 3.2, triethylamine 0.12, ethylene glycol butyl ether 3.5, pH regulator DMEA 0.28, chelated zinc compound anti- Flash rust agent 0.46, thickener polyether polyurethane associative water-based rheology additive 0.27, wetting agent 0.2, deionized water 27.27; The preparation method of the EW bentonite pregel of described 2% is to combine deionized water and bentonite It is prepared by mixing at a ratio of 98:2 in parts by weight and uniformly dispersed by high-speed shearing.

Embodiment 2

[0025] A water-based alkyd topcoat, comprising the following components in parts by weight: water-based alkyd resin 28.0, light chrome yellow 9.0, drier 0.6, dispersant 0.4, polyether modified silicon type defoamer 0.5, fineness 4000 mesh ultrafine barium sulfate 18.0, titanium dioxide 6.3, attapulgite 3.8, 2% EW bentonite pregel 4.2, triethylamine 0.02, ethylene glycol butyl ether 2.5, pH regulator DMEA0.38, chelated zinc compound Anti-flash rust agent 0.45, thickener polyether polyurethane associative water-based rheology additive 0.37, wetting agent 0.3, deionized water 27.18; The preparation method of the EW bentonite pregel of described 2% is to deionized water and The bentonite is mixed according to the ratio of 98:2 in parts by weight, and is prepared after being uniformly dispersed by high-speed shearing.

Embodiment 3

[0027] A water-based alkyd topcoat, comprising the following components in parts by weight: water-based alkyd resin 27.0, light chrome yellow 6.0, drier 0.5, dispersant 1.0, polyether modified silicon type defoamer 0.3, fineness 4000 mesh ultrafine barium sulfate 15.0, titanium dioxide 3.3, attapulgite 2.8, 2% EW bentonite pregel 2.2, triethylamine 0.22, ethylene glycol butyl ether 4.5, pH regulator DMEA0.4, chelated zinc compound Anti-flash rust agent 0.56, thickener polyether polyurethane associative water-based rheology additive 0.47, wetting agent 0.4, deionized water 33.35; The preparation method of the EW bentonite pregel of described 2% is to deionized water and The bentonite is mixed according to the ratio of 98:2 in parts by weight, and is prepared after being uniformly dispersed by high-speed shearing.

[0028] The water-based alkyd topcoat in the foregoing embodiments comprises the following preparation steps:

[0029] Step 1: Add water-based alkyd resin, drier and...

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Abstract

The invention creatively provides water-based alcohol-acid finishing paint. The water-based alcohol-acid finishing paint comprises the following components in parts by weight: 25.0-33.0 parts of water-based alcohol-acid resin, 6.0-12.0 parts of light chrome yellow, 0.4-0.8 part of drier, 0.2-1.0 part of dispersing agent, 0.25-0.6 part of defoaming agent, 13.0-18.0 parts of superfine barium sulfate, 2.8-6.3 parts of titanium dioxide, 1.8-4.7 parts of attapulgite, 1.9-5.2 parts of 2% EW bentonite pregelatin, 0.02-0.3 part of triethylamine, 2.2-5.5 parts of butyl gycol, 0.28-0.4 part of pH regulator, 0.45-0.56 part of flash-rusting-proof agent, 0.19-0.47 part of thickening agent, 0.2-0.4 part of wetting agent and 22.0-34.0 parts of deionized water. A preparation method of the 2% EW bentonitepregelatin comprises the steps: mixing the deionized water and bentonite according to the weight parts proportion of 98:2, and carrying out high-speed shearing and uniform dispersion, thereby preparing the 2% EW bentonite pregelatin. The water-based alcohol-acid finishing paint provided by the invention has the advantages and positive effects of good anti-settling property, corrosion resistance, weathering resistance and scratching resistance.

Description

technical field [0001] The invention relates to the field of paints, in particular to a water-based alkyd topcoat. Background technique [0002] Traditional solvent-based anti-corrosion coatings contain a large amount of low-boiling and volatile organic compounds, which will be released into the air during production and construction, thereby polluting the air. With the increasing shortage of petroleum resources and the enhancement of people's awareness of environmental protection, anti-corrosion coatings are gradually developing in the direction of environmental protection, economy, ecological balance and sustainable development. At present, the technical development direction of anti-corrosion coatings is mainly concentrated on "water-based, powderized, high-solidification", and low-solid solvent-based anti-corrosion coatings are gradually withdrawing from the increasingly competitive coatings market. Water-based anti-corrosion coatings use cheap and environmentally frien...

Claims

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Application Information

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IPC IPC(8): C09D167/08C09D5/08C09D7/61
CPCC09D167/08C08K2003/2241C08K2003/3045C09D5/08C09D7/61C08K3/346C08K3/30C08K3/22
Inventor 赵惠清赵惠红陈明轩
Owner TIANJIN MEISHIBANG PAINT CHEM IND