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Waterborne electrostatic epoxy anticorrosive primer for wheel shafts and preparation method thereof

An anti-corrosion primer and electrostatic ring technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve problems such as operator health threats and air pollution, and achieve good chemical resistance and adhesion. Strong focus, good physical and mechanical properties

Active Publication Date: 2018-06-15
株洲市九华新材料涂装实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the coatings in the rail transit field are mainly traditional solvent-based coatings, which are rich in a large amount of organic solvents and volatilize into the air, causing serious air pollution and posing a serious threat to the health of operators.

Method used

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  • Waterborne electrostatic epoxy anticorrosive primer for wheel shafts and preparation method thereof
  • Waterborne electrostatic epoxy anticorrosive primer for wheel shafts and preparation method thereof
  • Waterborne electrostatic epoxy anticorrosive primer for wheel shafts and preparation method thereof

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Experimental program
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preparation example Construction

[0060] A. Preparation of primer paint: Add the raw materials of each component of the water-based electrostatic epoxy anti-corrosion primer paint required for production according to the above weight ratio, and add rings in turn under low-speed stirring (600-800 rpm). Oxygen-modified amine adducts, water-based functional additives, anti-corrosion and anti-rust pigments and fillers, co-solvents, deionized water. After the feeding is completed, under high-speed stirring (800-1000 rpm) for about 10-15 minutes, the pre-dispersed slurry of primer paint can be obtained. Then use an air pump to pump it into a sand mill, grind it to a fineness of ≤40μm, and discharge it to become the primer paint component.

[0061] B. Filtration and packaging: filter the above-mentioned paint material in an 80-mesh sieve to remove mechanical impurities, and produce a finished paint material, which is packed in a plastic bucket for use.

[0062] C. Preparation of curing agent: put water-based solid e...

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Abstract

The invention relates to a waterborne electrostatic epoxy anticorrosive primer for wheel shafts and a preparation method thereof. The waterborne electrostatic epoxy anticorrosive primer for wheel shafts adopts an epoxy modified amine adduct, anticorrosive and antirust pigment and filler, a water-based functional assistant, a cosolvent and deionized water as the paint ingredients, and takes a water-based solid epoxy resin emulsion, a modified liquid epoxy resin aqueous dispersion liquid and a silane coupling agent as the curing agent ingredients, and is blended with a proper amount of deionizedwater during construction. The invention mainly aims to acquire the environment-friendly and excellent overall performance waterborne paint product for rail traffic locomotive / vehicle wheel shafts with the advantages of efficient corrosion resistance, excellent salt spray resistance, rapid drying, good physical and mechanical properties, strong chemical resistance, good embracing effect, convenience for electrostatic spraying construction and the like.

Description

technical field [0001] The invention relates to a water-based electrostatic epoxy anticorrosion primer for a wheel shaft and a preparation method thereof. Background technique [0002] At present, the coatings in the rail transit field are mainly traditional solvent-based coatings, which are rich in a large amount of organic solvents and volatilize into the air, causing serious air pollution and posing a serious threat to the health of operators. With the enhancement of people's awareness of environmental protection and the promulgation of national environmental protection laws and regulations in recent years, water-based coatings, high-solid coatings, powder coatings, UV coatings and other environmentally friendly coatings have ushered in unprecedented development; in terms of coating equipment, electrostatic spraying is due to its The characteristics of good embracing effect, less paint mist splash and high painting efficiency have won the favor of painting construction un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08
CPCC08K3/34C08K2003/2272C08K2003/3045C08K2003/321C09D5/084C09D163/00
Inventor 孙贤国罗健杨小叶游小娟
Owner 株洲市九华新材料涂装实业有限公司
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