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Production process for aqueous environmental-friendly heavy anti-corrosion coating

A production process, heavy-duty anti-corrosion technology, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of the service life of water-based coatings, unsatisfactory anti-corrosion performance, etc., to achieve good environmental performance and simple production process Ease of use, excellent water and salt water resistance

Inactive Publication Date: 2017-10-27
JIANGSU KANGAITE ENVIRONMENTAL ENG GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the water-based coatings widely used in the market have unsatisfactory anti-corrosion properties (such as salt water resistance, acid resistance and alkali resistance). In the increasingly harsh atmospheric environment, the service life of water-based coatings is greatly affected. In view of this , it is necessary to optimize the performance of waterborne coatings

Method used

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  • Production process for aqueous environmental-friendly heavy anti-corrosion coating
  • Production process for aqueous environmental-friendly heavy anti-corrosion coating

Examples

Experimental program
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Effect test

Embodiment 1～3

[0030] The difference of embodiments 1~3 is that the weight parts of each raw material are different (see Table 2 for details), and the process steps are all the same, specifically comprising the following steps:

[0031] S1. Pour clean water into a 300L dispersing bucket, start the dispersing machine, keep the rotating speed at 600-800rpm, then add dispersant and defoamer to the dispersing bucket, and disperse at a high speed of 600-800rpm for 10min, wherein, the weight part of clean water 200 copies;

[0032] S2. Put anti-corrosion pigments, zinc phosphate and sodium nitrite into the dispersing bucket, disperse at high speed for 20 minutes and stir evenly to obtain a slurry;

[0033] S3, input the slurry obtained in step S2 into a sand mill, and grind until the fineness reaches 20-30 microns;

[0034] S4, pour the emulsion into a dispersing tank of 1200L, start the dispersing machine to disperse, and the rotating speed is 600rpm;

[0035] S5. Input the slurry that has been...

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Abstract

The invention discloses a production process for an aqueous environmental-friendly heavy anti-corrosion coating. The production process is simple and easy to achieve, no organic solvent is used in the production process, and the coating is good in environment-friendly property; the water resistance and the salt water resistance of the coating are relatively better than those of a product in the market, the acid resistance and the alkali resistance of the coating are both as long as 500 hours or greater, the salt mist resistance of the coating is as long as 1000 hours or greater, the hardness of the coating is up to grade H, that is, the hardness of the coating is 2 grades higher than that of the product in the market, and the coating has remarkable market competitive advantages.

Description

technical field [0001] The invention relates to a production process of a coating, in particular to a production process of a water-based environmental protection heavy-duty anti-corrosion coating; it belongs to the technical field of coating production. Background technique [0002] Water-based paint is a technology developed in the 1960s. It is a general term for a class of paint that uses water as a solvent or as a dispersion medium. It can be roughly divided into water-soluble paint, water-diluted paint, and water-dispersible paint (latex paint). paint) 3 types. Coatings using water as a solvent not only save a lot of organic material resources and energy, but also reduce the discharge of organic solvents. With the enhancement of people's environmental awareness, the use of water-based coatings is increasing year by year, which has become the mainstream direction of the development of the modern coatings industry. [0003] At present, the water-based coatings widely use...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D5/08C09D7/14C09D7/80
CPCC09D175/04C08K3/28C08K2003/328C09D5/08C09D5/082
Inventor 孙玉明张锡荣季刚杨佳丽
Owner JIANGSU KANGAITE ENVIRONMENTAL ENG GRP CO LTD
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