Waterborne antirust paint with rust and preparation method of paint

A technology of anti-rust and coating with rust, applied in the field of coatings, can solve the problems of limited rust transfer ability, insufficient adhesion, environmental pollution, etc., and achieve the effect of stable chemical properties and excellent adhesion

Active Publication Date: 2019-06-28
SHENYANG SHUNFENG IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the domestic anti-rust paints with rust are solvent-based paints. In order to achieve the purpose of long-term anti-rust, most of the anti-rust pigments containing toxic heavy metals such as zinc chrome yellow are added, which is easy to cause env...

Method used

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  • Waterborne antirust paint with rust and preparation method of paint
  • Waterborne antirust paint with rust and preparation method of paint
  • Waterborne antirust paint with rust and preparation method of paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0038] (1) Preparation of component A.

[0039] ①Modified aluminum tripolyphosphate 13%, gallic acid 6%, thickener TCP-936 0.6%, dispersant LX-5040 0.6%, wetting agent ND-4070 0.6%, defoamer RT- 10 Add 0.4% and 21% deionized water into the mixing sand mill dispersing multi-purpose machine, stir it at high speed for 30min, and control the speed at 1800r / min.

[0040] ②Continue grinding for 1h until the fineness reaches 40μm.

[0041] ③Stir at a low speed again, and the speed is controlled at 500r / min. During the stirring process, add 55% of water-based epoxy resin, 2% of curing accelerator K-54, 0.5% of leveling agent ND-517, and 0.1% of defoamer according to weight percentage. %, thickener 0.2%, after adding all the ingredients, stir for 30 minutes.

[0042] ④ After the stirring is completed, the A component of the water-based anti-rust paint with rust is obtained.

[0043] (3) Preparation of component B.

[0044] 1. The present invention adopts the mass percent of raw...

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Abstract

The invention discloses a waterborne antirust paint with rust and a preparation method of the paint, and belongs to the technical field of paints. The paint comprises a component A and a component B which are mixed at the time of use; the component A is prepared from waterborne epoxy resin, modified aluminum tripolyphosphate, a conversion agent gallic acid and other aids commonly used for paints;the component B is a homemade waterborne modified tea polyphenol which is prepared through a Mannich reaction of tea polyphenol, acetaldehyde and dimethylamine. The paint prepared by means of the method has chelation with a matrix in the use process, the adhesive force of the paint is greatly increased, the conversion of the rust is facilitated, and the paint has excellent curing force and corrosion resistance and is environmentally friendly and free of pollution.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based anti-rust coating with rust. Background technique [0002] Anti-rust paint with rust is a kind of coating that can be directly applied on a certain rusted metal surface. By stabilizing, passivating or transforming the rust, the active rust can be turned into a harmless substance, so as to achieve the dual purpose of rust removal and protection. anti-rust paint. With the improvement of people's living standards, people's performance requirements for coatings are also getting higher and higher. At present, most domestic antirust paints with rust are solvent-based paints. In order to achieve the purpose of long-term antirust, most of them are added with zinc chrome yellow and other antirust pigments containing toxic heavy metals, which are easy to cause environmental pollution; at the same time, acrylic antirust emulsion Among them, phosphate-containing acrylic acid monomers ...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08
Inventor 王杨松付琬璐葛晶李娜
Owner SHENYANG SHUNFENG IND GRP CO LTD
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