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Water-based anti-corrosion low-temperature self-drying coating and anti-flash rust coating method for iron castings

A self-drying coating and anti-corrosion technology, applied in the direction of anti-corrosion coatings, polyester coatings, epoxy resin coatings, etc., can solve problems such as flash rust of coatings, achieve good anti-corrosion effect, prolong service life, and improve anti-corrosion performance Effect

Active Publication Date: 2020-11-17
GUANGZHOU KINTE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when used, it was found that the paint still has the problem of flash rust

Method used

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  • Water-based anti-corrosion low-temperature self-drying coating and anti-flash rust coating method for iron castings
  • Water-based anti-corrosion low-temperature self-drying coating and anti-flash rust coating method for iron castings
  • Water-based anti-corrosion low-temperature self-drying coating and anti-flash rust coating method for iron castings

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Effect test

Embodiment Construction

[0035] A kind of water-based anti-corrosion self-drying paint for iron castings, its quality is composed of:

[0036]

[0037] Appropriate amount of deionized water;

[0038] The pH value is 8-12.

[0039] As a further improvement of the above-mentioned water-based anti-corrosion self-drying coating, the water-based resin is selected from one or a mixture of water-based epoxy resins, water-based acrylic modified epoxy resins, water-based alkyd resins, and water-based acrylic resins.

[0040] As a further improvement of the above-mentioned water-based anti-corrosion self-drying coating, the curing cross-linking agent is two kinds of nitrogen pyridine, a hydrolysis-resistant silane coupling agent, a polyamide compound, and a metal saponified product.

[0041] As a further improvement of the above-mentioned water-based anti-corrosion self-drying paint, the anti-flash rust agent is selected from two or three of organic zinc chelates, amino carboxylates, and non-metal organic N...

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Abstract

The invention discloses a waterborne anticorrosive low-temperature air-dried coating for an iron casting and a flash-rust resistant coating method. The coating is composed of waterborne resins, a cure-crosslinking agent, anti-rust pigments, fillers, coloring pigments, a flash-rust resistant agent, waterborne additives, water and other raw materials. The waterborne anticorrosive low-temperature air-dried coating disclosed by the invention has an excellent anticorrosive effect, flash rust can be effectively reduced even avoided, the coating can be used under the conditions of the temperature of5-35 DEG C and the relative humidity of not higher than 90%, and great convenience is brought to operations. The coating disclosed by the invention is applicable to multiple coating manners such as brush coating, roller coating, shower coating, spray coating, dip-coating and the like, and is particularly applicable to corrosion prevention of key components made of castings such as engine cylinderblocks and covers, reducers, axle shells, clutch discs, cylindrical gear housings, balance-axle brackets and the like.

Description

technical field [0001] The invention relates to an anti-corrosion coating and a coating method, in particular to a water-based anti-corrosion low-temperature self-drying coating and an anti-flash rust coating method for iron castings. Background technique [0002] Cast iron has become an irreplaceable metal material because of its high strength, good thermal conductivity, thermal fatigue resistance, and processability. Tall auto parts. [0003] Water-based coatings use water as the main solvent, which is less harmful to the human body and the environment, and has the characteristics of convenient construction, good safety, and easy storage and transportation. It has become an important development direction of modern coatings. At present, water-based coatings have been widely used in the fields of architectural coatings and electrophoretic coatings, but their use in metal anti-corrosion coatings is still very limited. The use of water-based coatings on steel surfaces is ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/10C09D167/08C09D133/04C09D163/00C09D5/08B05D7/14
CPCB05D7/14C08K2003/327C08K2003/329C08K2201/014C09D5/08C09D163/00C09D163/10C09D167/08C08K13/06C08K3/32C08L63/00C08K13/02C08K3/34C08L63/10C08L33/04
Inventor 姚煌许奕祥张红王从国
Owner GUANGZHOU KINTE IND
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