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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  • Summary
  • 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 th

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
Comparison scheme
Effect test

Example

[0029] Examples 1~3

[0030] The difference between Examples 1 to 3 is that the weight of each raw material is different (see Table 2 for details), and the process steps are the same, and specifically include the following steps:

[0031] S1. Pour clear water into a 300L dispersion barrel, start the disperser, keep the speed at 600-800rpm, then add dispersant and defoamer to the dispersion barrel, disperse at 600-800rpm at high speed for 10 minutes, of which, the weight of the clear water 200 copies;

[0032] S2. Put anti-corrosion pigments, zinc phosphate and sodium nitrite into the dispersion tank, and disperse at high speed for 20 minutes and stir evenly to obtain 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 1200L dispersion tank, start the dispersion machine for dispersion, and the speed is 600rpm;

[0035] S5. Input the sand-milled slurry in step S3 into the disp...

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PUM

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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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