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Antirust paint with rust and preparation method thereof

A technology of anti-rust with rust and vinyl ester resin, which is applied in the direction of anti-corrosion coatings, coatings, epoxy resin coatings, etc. Corrosion and flame retardancy and other issues, to achieve the effect of low material cost, excellent corrosion resistance, and strong anti-aging ability

Inactive Publication Date: 2013-04-24
河北华强科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing anti-rust paint with rust is high in cost and has single performance, such as only high temperature resistance, corrosion resistance, or flame retardancy, which greatly limits the application of anti-rust paint with rust field

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] a. Preparation of vinyl ester resin: Weigh each component according to the following weight ratio: E51 epoxy resin 10kg, methacrylic acid 5kg, styrene 3kg, α-methylstyrene 0.75kg, triene cyanurate Propyl ester 1.2kg, dicyclopentadiene acrylate 1kg.

[0028] Add 0.004kg of tert-butylhydroquinone and 0.035kg of dimethylbenzylamine to methacrylic acid, and mix well;

[0029] Put the E-51 epoxy resin in the reaction kettle, stir and heat up to 80-90°C, and then add the methacrylic acid containing tert-butylhydroquinone and dimethylbenzylamine dropwise within 15 minutes , raise the temperature to 105°C, then slowly raise the temperature to 135°C within 1.5h, react at this temperature for 4h until the acid value drops below 10mgKOH / g, cool down to 55°C, and then add styrene, a-methyl Styrene, triallyl cyanurate, and dicyclopentadiene acrylate, continue to stir, and cool down to 30°C to obtain vinyl ester resin;

[0030] b. Take each component according to the following weig...

Embodiment 2

[0034] a. Preparation of vinyl ester resin: Weigh each component according to the following weight ratio: E51 epoxy resin 70kg, methacrylic acid 30kg, styrene 20kg, α-methylstyrene 2.5kg, triene cyanurate Propyl ester 8kg, dicyclopentadiene acrylate 5kg.

[0035] Put the E51 epoxy resin in the reaction kettle, stir, heat up to 85°C, add methacrylic acid, heat up to 110°C, then slowly heat up to 145°C within 2 hours, react at this temperature for 3 hours, until the acid value Drop below 10mgKOH / g, cool down to 60°C, then add styrene, α-methylstyrene, triallyl cyanurate, dicyclopentadiene acrylate in turn, continue stirring, cool down to 30°C, Get vinyl ester resin;

[0036] b. Weigh each component according to the following weight ratio: 42kg of silicon acrylic emulsion, 0.7kg of sodium hexametaphosphate, 2.2kg of alcohol fat twelve, 2.1kg of triethanolamine, 4kg of aluminum tripolyphosphate, 8.2kg of titanium dioxide, Barium borate 8.2kg, silica sol 4.1kg, potassium silicate...

Embodiment 3

[0040] a. Preparation of vinyl ester resin: weigh each component according to the following weight ratio: E51 epoxy resin 50kg, methacrylic acid 40kg, styrene 20kg, α-methylstyrene 5kg, triallyl cyanurate 10kg of ester, 7.5kg of dicyclopentadiene acrylate.

[0041] Put E51 epoxy resin in the reaction kettle, stir and heat up to 90°C, add methacrylic acid, heat up to 110°C, then slowly heat up to 135°C within 2 hours, react at this temperature for 4 hours, until the acid value Drop below 10mgKOH / g, cool down to 60°C, then add styrene, α-methylstyrene, triallyl cyanurate, dicyclopentadiene acrylate in turn, continue stirring, cool down to 30°C, Get vinyl ester resin;

[0042] b. Weigh each component according to the following weight ratio: 35kg of silicon acrylic emulsion, 0.5kg of sodium hexametaphosphate, 1.8kg of alcohol fat dodecane, 1.5kg of triethanolamine, 3kg of aluminum tripolyphosphate, 7kg of titanium dioxide, metaboric acid Barium 7kg, silica sol 2.5kg, potassium s...

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Abstract

The invention relates to an antirust paint and a preparation method thereof. The antirust paint with rust disclosed by the invention comprises the following components in parts by weight: 28-42 parts of silicone acrylic emulsion, 0.1-0.7 parts of sodium hexametaphosphate, 1.4-2.2 parts of alcohol ester 12, 0.9-2.1 parts of triethanolamine, 2.5-4 parts of aluminum dihydrogen triphosphate, 5.6-8.2 parts of titanium dioxide, 5.6-8.2 parts of barium metaborate, 1.8-4.1 parts of silica sol, 1.6-4.3 parts of potassium metasilicate, 0.15-0.35 parts of anti-rust agent, and 20-30 parts of vinyl ester resin. The preparation method comprises the following steps of: firstly, preparing vinyl ester resin, and weighing each component; putting the other components except for the vinyl ester resin into a mixer to mix and stir for 15-40 minutes to obtain mixed material I; grinding the mixed material I until the fineness of the grain size of the mixture is 20-40 microns; adding the vinyl ester resin to stir for 30-50 minutes, and then filtering by 300-350 meshes of filter cloth. The antirust paint with rust provided by the invention has the characteristics of low cost, high thermal resistance, corrosion resistance, flame retardant properties and the like, and can be widely applied to production and construction equipment.

Description

technical field [0001] The invention relates to an antirust paint and a preparation method thereof, in particular to an antirust paint with rust and a preparation method thereof. Background technique [0002] Anti-rust paint with rust is a kind of metal surface that can be directly coated on a certain rust layer, which can stabilize, passivate or transform rust, and turn active rust into a harmless substance, so as to achieve double rust prevention and protection. A class of antirust coatings, also known as rust surface coatings, rust coatings, and non-rust coatings. The use of anti-rust paint with rust for anti-corrosion treatment not only reduces or omits the rust removal process and reduces the cost of painting, but also greatly simplifies the painting process, thereby reducing labor intensity and reducing the harm of rust to the human body and environmental pollution. In recent years, anti-rust paints have developed rapidly, and various types of anti-rust paints with ru...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D7/12C09D5/08
Inventor 齐双春王洪君王帅王超夏云广张文宁徐文秀
Owner 河北华强科技开发有限公司
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