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Water-based anti-corrosion paint and preparing method of water-based anti-corrosion paint

An anti-corrosion coating, water-based technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of environmental damage, destruction of water biological chain, water eutrophication, etc., and achieve the effect of excellent anti-corrosion performance

Inactive Publication Date: 2015-10-07
李福军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has recently been found that when the coating made of zinc phosphate is used on water equipment, it can cause eutrophication of the water body, thereby destroying the biological chain of the water body and causing damage to the environment.

Method used

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  • Water-based anti-corrosion paint and preparing method of water-based anti-corrosion paint
  • Water-based anti-corrosion paint and preparing method of water-based anti-corrosion paint
  • Water-based anti-corrosion paint and preparing method of water-based anti-corrosion paint

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0021] The preparation of embodiment water-based anticorrosion coating

[0022] Weigh 0.6 kg of SN-NXZ, 9 kg of sodium polyacrylate, 0.6 kg of polyvinyl alcohol, and 0.8 kg of Add 20 kg of water, stir for 20 minutes at a speed of 200rpm, then add 150 kg of AB-EP-20 water-based epoxy resin emulsion, stir for 20 minutes at a speed of 800rpm, then transfer to a sand mill with a speed of 1200rpm Sand mill at a rotating speed for 60 minutes, filter with a 100-mesh sieve, add 1.6 kg of Tego Glide B148 to the filtrate, and stir at a rotating speed of 100 rpm for 10 minutes to obtain the product.

experiment example

[0024] According to the national standard GB 1727-79 "Paint Film Preparation Method" requires the water-based epoxy anti-corrosion paint film prepared in Example 1, after the base material is polished, derusted, etc., the surface is cleaned, wiped with absolute ethanol, and dried in the air dry and keep it dry. When preparing the paint film, the prepared paint is evenly brushed on the substrate with a wolf hair brush, the brushed coating is cured at room temperature, and various performance tests are carried out after drying at room temperature.

[0025] The anti-corrosion performance of the coating is to evaluate the anti-corrosion performance by letting the sample plate painted with paint be visually inspected under the specified corrosion conditions to check the foaming and falling off of the sample plate after soaking in the corrosive medium for a certain period of time.

[0026] When carrying out the corrosion-resistant medium immersion test, select 3 parallel test plates...

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Abstract

The invention relates to water-based anti-corrosion paint, which is prepared from the following ingredients in parts by weight: 120 to 180 parts of water-based epoxy emulsion, 0.2 to 0.8 part of defoaming agent, 5 to 15 parts of dispersing agent, 0.5 to 1 part of thickening agent, 1.5 to 2 parts of flatting agent and 0.6 to 1.5 parts of anti-corrosion agent. The invention also relates to a preparing method of the water-based anti-corrosion paint. The water-based anti-corrosion paint has the excellent anti-corrosion performance, and can be widely used for anti-corrosion effects of material surface layers.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular, the invention relates to a water-based anticorrosion coating and a preparation method thereof. Background technique [0002] my country's transportation, construction, energy and other industries are constantly growing and developing, and various materials are used in the process, and all materials will always be in long-term contact with corrosive or oxidizing air, which may cause Its surface is damaged, and when the material is exposed, its surface is likely to be eroded by sun, rain, ice, snow and fog. As a result, steel rusts, concrete pavements crack and crumble, and wood shrinks. Material corrosion is the most important cause of material waste and energy loss, which causes 20% of global energy and 4.2% of GNP (gross national product) loss every year, and in daily use, many materials will also be damaged In order to prevent or reduce the possibility of scratches, wear and imp...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08
Inventor 李福军
Owner 李福军
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