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Anti-corrosion coating material applied to anti-seismic support and preparation method thereof

A technology of anti-corrosion coating and anti-vibration bracket, applied in the direction of anti-corrosion coating, coating, polyamide coating, etc., can solve the problems of affecting the bonding force of the upper coating and the zinc-rich coating, reducing the anti-corrosion performance of the coating, and decreasing the adhesion, etc. Achieve the effect of reducing zinc oxide fumes, improving mechanical strength, and increasing bonding force

Active Publication Date: 2021-06-01
浙江山力得新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Zinc in epoxy zinc-rich coatings is a sacrificial anode, and its content in the coating is usually greater than 70%. More zinc salts are produced during cathodic protection, which affects the bonding force between the upper coating and the zinc-rich coating, resulting in a decrease in the anti-corrosion performance of the coating

Method used

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  • Anti-corrosion coating material applied to anti-seismic support and preparation method thereof
  • Anti-corrosion coating material applied to anti-seismic support and preparation method thereof
  • Anti-corrosion coating material applied to anti-seismic support and preparation method thereof

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preparation example Construction

[0034] The preparation method of described anticorrosion coating material comprises the steps:

[0035] (1) Take raw materials according to the distribution ratio of each component;

[0036] (2) Add the weighed zinc powder, organic complexing agent, inorganic complexing agent, and a part of organic solvent into the reaction kettle, heat to 70-90°C, keep stirring and keep warm for 5-8 hours and then cool down;

[0037] (3) Add it to the slurry prepared in step (2), and put in modified epoxy resin, binder, auxiliary agent, polyamide and another part of organic solvent sequentially while stirring slowly, and then disperse at high speed for more than half an hour, adjust Viscosity, prepared modified epoxy zinc-rich anti-corrosion coating material.

Embodiment 1

[0039] (1) Weigh 100kg of epoxy resin (SM6101) and put it into the reaction kettle, stir and heat to 80°C, add 5kg of phthalic anhydride, continue to stir, keep at 80°C for 15 minutes and cool down to obtain the modified phthalic acid epoxy resin;

[0040] (2) Weigh 85kg of zinc powder, 25kg of EDTA, 50kg of zinc citrate, and 25kg of ethylene glycol ether into the reactor, heat to 70°C, continue to stir and keep warm for 5 hours, then cool down;

[0041] (3) Add in the slurry prepared in step (2), and drop into the phthalic acid modified epoxy resin obtained in step (1), 50kg polyvinyl acetal, 5kg BYK191, 2kg polyoxygen Propylene glyceryl ether, 3kg polyacrylic acid, 25kg polyamide, 25kg ethylene glycol butyl ether, and then disperse at high speed for 40 minutes to adjust the viscosity to prepare a modified epoxy zinc-rich anti-corrosion coating material.

Embodiment 2

[0043](1) Weigh 100kg of epoxy resin (SM6101) and put it into a reaction kettle, stir and heat to 80°C, add 8kg of phthalic anhydride, continue to stir, keep warm at 80°C for 15 minutes and cool down to obtain phthalic acid modified epoxy resin;

[0044] (2) Weigh 88kg of zinc powder, 25kg of EDTA, 50kg of zinc pyrophosphate, and 25kg of ethylene glycol ether into the reactor, heat to 75°C, continue to stir and keep warm for 8 hours and then cool down;

[0045] (3) Add in the slurry prepared in step (2), and drop into the phthalic acid modified epoxy resin obtained in step (1), 50kg polycarbonate, 5kg BYK190, 2kg polyoxypropylene polycarbonate successively while stirring slowly. Oxyethylene glyceryl ether, 3kg carboxymethyl cellulose, 25kg polyamide, 25kg ethylene glycol butyl ether, and then disperse at high speed for 50 minutes to adjust the viscosity to prepare a modified epoxy zinc-rich anti-corrosion coating material.

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Abstract

The invention discloses an anti-corrosion coating material applied to an anti-seismic support, which is characterized in that it comprises the following components by weight: 10-20 parts of modified epoxy resin; 10-30 parts of zinc powder; organic complexing agent 2.5-10 parts; 5-10 parts of inorganic complexing agent; 5-8 parts of binder; 1-2 parts of auxiliary agent; 5-12 parts of polyamide; 5-10 parts of organic solvent; the modified epoxy resin It is a phthalic acid modified epoxy resin. The invention also provides a preparation method of the material, which can greatly reduce the amount of zinc powder used in the paint, and improve the mechanical strength, adhesion, corrosion resistance, and weather resistance of the coating film. The method is simple to prepare, low in cost, and Easy to industrialized mass production.

Description

technical field [0001] The invention relates to the field of anti-corrosion coating materials, more specifically, it relates to an anti-corrosion coating material applied to anti-seismic supports and a preparation method thereof. Background technique [0002] Metal corrosion is a spontaneous process that has always brought serious losses to human production and life, even catastrophic accidents. Corrosion is actually a great destruction and waste of natural resources. Damage or fracture of metal may not only cause leakage of harmful substances, but also cause environmental pollution. In addition, if corrosion damage occurs in a certain key part and is not paid attention to in time, it may cause sudden catastrophic accidents, endanger the safety of daily life, and bring great losses and harm to the national economy. This is especially true in metal anti-seismic materials. [0003] Corrosion is one of the key factors for the failure of metal anti-seismic materials in the wor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D177/00C09D129/14C09D169/00C09D5/10C09D7/63C09D7/61
CPCC08K2003/0893C09D5/106C09D163/00C09D7/61C09D7/63C08L77/00C08L29/14C08L69/00C08K3/08C08K5/098C08K3/32C08K5/175C08K3/30
Inventor 周翔周敏乐蒲后均张吕龙吴伟伟吴成威倪金星杨加娟胡骏骑殷光勤苏甜傅维龙
Owner 浙江山力得新材料科技有限公司
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