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Solvent-free water-tolerant special anticorrosive coating and preparation method thereof

An anti-corrosion coating and solvent-free technology, which is applied in the field of anti-corrosion coating and its preparation, solvent-free water-resistant special anti-corrosion coating and its preparation field, can solve the problems of environmental pollution, concrete water and sweat leakage, and affect the cooling effect of generator sets, etc., to achieve water resistance Excellent performance

Inactive Publication Date: 2012-12-26
JIANGSU MARINE VICTORY COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, many 600,000 WM and 1,000,000 WM thermal power generating units have been built along the coast of China. The cooling system of these units is sent to the generating units by a pump through a steel pipe with a diameter of 2.5 meters through a concrete circulating seawater pool buried more than 20 meters deep. The cooling system is discharged into the sea, and dozens of tons of shellfish will accumulate in the circulating pool and pipeline every year, which seriously affects the cooling effect of the generator set
When the circulating pool is re-anti-corrosion, after the concrete surface is cleaned with a high-pressure water gun, the floating water on the concrete surface cannot be treated, and there is water and sweat seeping out of the concrete.
The existing anti-corrosion coatings applied on the wet concrete surface with water and sweat are basically solvent-based containing benzene, which is highly toxic, seriously pollutes the environment, and has poor adhesion performance and is easy to fall off
And if the anti-corrosion and anti-fouling treatment of the concrete surface is not solved well, a large number of marine organisms will gather after a while, which will affect the cooling effect of the generator set

Method used

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  • Solvent-free water-tolerant special anticorrosive coating and preparation method thereof

Examples

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Effect test

Embodiment 1

[0022] A kind of preparation method of solvent-free water-resistant special anti-corrosion coating, preparation steps are as follows: the preparation method of A component is as follows: at first the SOVERMOL 815 of 1 part of Corning Company, the volume percentage concentration of 31 parts is 100% shell epoxy resin EPIKOTE 828, the volume percent concentration of 19 parts is the epoxy resin BECKOPOX of Hansen Company of 100% mixed and high-speed stirring, the stirring speed is 600 rpm, after stirring for 10 minutes, change to low-speed stirring, the stirring speed is 15 rpm, and Add 2 parts of Lanxess iron oxide red Bayferrox 130BM, 2 parts of 350-mesh glass beads, 11 parts of titanium dioxide R-930, 6.5 parts of 500-mesh quartz powder, 2 parts of 500-mesh barium sulfate, 5 parts 500-mesh talcum powder, gradually increase the stirring speed after adding, until the temperature of the mixture in the reactor is 35 ° C, start adding 0.3 parts of anti-sedimentation agent THIATROL ST...

Embodiment 2

[0025] A kind of preparation method of solvent-free water-resistant special anti-corrosion coating, preparation steps are as follows: the preparation method of A component is as follows: at first the SOVERMOL 815 of 1.2 parts of Corning Company, the volume percentage concentration of 33 parts is 100% shell epoxy resin EPIKOTE 828, the volume percent concentration of 22 parts is the epoxy resin BECKOPOX of Hansen Company that 100% is mixed and stirred at a high speed, the stirring speed is 800 rev / min, after stirring for 12 minutes, change to low speed stirring, the stirring speed is 100 rev / min, and Add 3 parts of Lanxess red iron oxide Bayferrox 130BM, 3 parts of 350-mesh glass beads, 12 parts of titanium dioxide R930, 8 parts of 500-mesh quartz powder, 3 parts of 500-mesh barium sulfate, 6 parts of 500 Purpose Talc powder, after the addition is completed, gradually increase the stirring speed until the temperature of the mixture in the reactor is 38 °C, start adding 0.4 parts...

Embodiment 3

[0028] A kind of preparation method of solvent-free water-resistant special anticorrosion coating, preparation steps are as follows: the preparation method of A component is as follows: first the SOVERMOL 815 of 1.5 parts of Corning Company, the volume percent concentration of 35 parts is 100% shell epoxy resin EPIKOTE 828, the volume percent concentration of 26 parts is 100% epoxy resin BECKOPOX of Hansen Company mixed and stirred at a high speed, the stirring speed is 900 rpm, after stirring for 15 minutes, it is changed to low speed stirring, the stirring speed is 180 rpm, and Add 4 parts of Lanxess red iron oxide Bayferrox 130BM, 4 parts of 350-mesh glass beads, 13 parts of titanium dioxide R930, 10.5 parts of 500-mesh quartz powder, 3.5 parts of 500-mesh barium sulfate, 8 parts of 500 Purpose Talc powder, after the addition is completed, gradually increase the stirring speed until the temperature of the mixture in the reactor is 40°C, start adding 0.5 parts of anti-sedimen...

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Abstract

The invention discloses a solvent-free water-tolerant special anticorrosive coating and a preparation method thereof. The anticorrosive coating is an environment friendly coating, workers can work in a sealed circulating water tank safely, and a human body cannot be hurt. The coating has excellent hydrolytic resistance, can be directly constructed on a surface of concrete in water or with floated water, has short curing time, can be cured within 30min, can form a coating film which has stronger adhesive force with the surface of the concrete, can simultaneously form an isolation layer on the surface of the concrete so as to seal water sweat in the concrete, and is beneficial to construction of the anticorrosive and antifouling coating of sewage.

Description

technical field [0001] The invention relates to an anti-corrosion coating and a preparation method thereof, in particular to a solvent-free water-resistant special anti-corrosion coating used in water or on wet concrete or steel surfaces and a preparation method thereof, belonging to the technical field of coatings. Background technique [0002] At present, many 600,000 WM and 1,000,000 WM thermal power generating units have been built along the coast of China. The cooling system of these units is sent to the generating units by a pump through a steel pipe with a diameter of 2.5 meters through a concrete circulating seawater pool buried more than 20 meters deep. The cooling system is discharged into the sea, and dozens of tons of shellfish will accumulate in the circulating pool and pipelines every year, which seriously affects the cooling effect of the generator set. When the circulating pool is re-anti-corrosion, after the concrete surface is cleaned with a high-pressure w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12C09D5/08
Inventor 陈廷生
Owner JIANGSU MARINE VICTORY COATING