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A kind of underwater composite anti-corrosion coating and preparation method thereof

A technology of anti-corrosion coating and surface coating, which is applied in the direction of anti-corrosion coatings, coatings, epoxy resin coatings, etc., can solve the problems of not meeting the dual requirements of anti-corrosion and impact protection, and meet the requirements of anti-corrosion and anti-abrasion, and construction difficulty High and low efficiency

Active Publication Date: 2021-07-27
长沙普照材料科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using a single anti-corrosion treatment technology cannot meet the dual requirements of anti-corrosion and impact protection for high water head, high flow rate water diversion penstocks, guide vanes and concrete on wet surfaces and underwater coatings
[0014] For underwater facilities, on the basis of corrosion control, anti-corrosion and anti-abrasion coatings with dual protection of anti-abrasion, anti-cavitation and cavitation, especially the solvent-free nano-titanium epoxy heavy-duty anti-corrosion coating and flexible anti-corrosion coating used for underwater coating Anticorrosion and anti-abrasion coatings composed of liquid ceramic anti-corrosion and anti-abrasion coatings with double structure protection have not been reported

Method used

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  • A kind of underwater composite anti-corrosion coating and preparation method thereof
  • A kind of underwater composite anti-corrosion coating and preparation method thereof
  • A kind of underwater composite anti-corrosion coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] 1. Preparation equipment for epoxy nano-titanium primer:

[0057] (1) PM 400 Planetary Ball Mill Verder (Shanghai) Instrument Equipment Co., Ltd.

[0058] (2) Frequency conversion dispersing machine Qinhuangdao Oulu Chemical Machinery Co., Ltd.

[0059] (3) Rod Pin Sand Mill Qinhuangdao Oulu Chemical Machinery Co., Ltd.

[0060] 2. Reagents for the preparation of epoxy nano-titanium primer:

[0061]

[0062] 3. Preparation method of epoxy nano-titanium primer:

[0063] (1) According to parts by weight, 80 parts of bisphenol F170 epoxy resin, 20 parts of polymalonate diglycidyl ether 207 prepare ball milling medium solution;

[0064] (2) According to the ratio of ball milling medium solution to titanium powder mass ratio of 10:1, pour the micron titanium powder (400 mesh) into the ball milling medium solution and disperse and stir in the frequency conversion shearing disperser, the stirring speed is 800r / mim, and the stirring time is 15min Finally, put it into the...

Embodiment example 2

[0075] (1) according to 80 parts of bisphenol F187 epoxy resins, the ratio of polymalonate diglycidyl ether 217 20 parts is mixed with ball milling medium solution;

[0076] (2) Mix the 400-mesh micron titanium powder with the ball milling medium solution, perform high-energy ball milling, the ball milling tank speed is 400r / min, and the ball milling time is 4h to obtain 80nm titanium nano-modified polymer slurry;

[0077] (3) According to bisphenol F170 epoxy resin 40%, 217 polypropylene glycol diglycidyl ether diluent 8%, silane coupling agent 1.5%, defoamer 0.1%, wetting agent disperser BYK-P105 0.5%, pigment : iron oxide red 5%, aluminum tripolyphosphate 10%, zinc phosphate 14%, filler: barium sulfate 13%, mix by above raw material ratio, mixing process is with embodiment 1;

[0078] (4) Pour a certain proportion of titanium nano-modified polymer slurry into the epoxy anti-corrosion coating base liquid, mix according to the mass ratio of 20:80, the mixing process is the sa...

Embodiment 3

[0088] (1) According to 83 parts of bisphenol F170 epoxy resin, polymalonate diglycidyl ether 207, 15 parts of silane coupling agent KH560 2 parts, the ratio is mixed into ball milling medium solution;

[0089] (2) Mix the titanium powder with the ball milling medium solution, carry out high-energy ball milling, the ball milling tank speed is 400r / min, and the ball milling time is 3.5h, to obtain 85nm titanium nano-modified polymer slurry;

[0090] (3) Bisphenol F170 epoxy resin 40%, 207 polypropylene glycol diglycidyl ether diluent 8%, silane coupling agent 1.5%, defoamer 0.1%, wetting agent disperser BYK-P105 0.5%, pigment 8% of rutile titanium dioxide, filler: 21% of barium sulfate, 5% of talcum powder, 10% of wollastonite powder, mixed according to the above ratio, and the mixing process is the same as that of Example 1;

[0091] (4) Pour the titanium nano-modified polymer slurry into the epoxy anti-corrosion coating base liquid, mix according to the mass ratio of 15:100, ...

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Abstract

The invention relates to an anti-corrosion coating for underwater coating, which belongs to the field of protection engineering, and is especially suitable for the inner wall of water diversion pressure steel pipes, the fixed guide vanes of generator sets, gates and other facility metal structural parts, as well as stilling pools, overflow spillways, pickets, etc. Concrete structure facilities such as runnose width are repaired and maintained with water, and double protection against corrosion and abrasion is provided. The epoxy nano-titanium coating comprises epoxy resin, auxiliary agent, milling medium solution, titanium powder, underwater epoxy curing agent and thixotropic agent. The ceramic resin paint comprises a flexible liquid ceramic resin, a diluent, an underwater curing agent for surface coating, and a thixotropic agent. The present invention adopts a unique composite coating combined with underwater nano-titanium epoxy anti-corrosion coating and liquid flexible anti-abrasion ceramic coating. superior to existing technologies.

Description

technical field [0001] The invention relates to an anti-corrosion coating for underwater coating, which belongs to the field of protection engineering, and is especially suitable for the inner wall of water diversion pressure steel pipes, the fixed guide vanes of generator sets, gates and other facility metal structural parts, as well as stilling pools, overflow spillways, pickets, etc. Concrete structure facilities such as runnose width are repaired and maintained with water, and double protection against corrosion and abrasion is provided. Background technique [0002] There are more and more underwater engineering facilities such as hydraulic engineering, marine engineering, transportation, and military industry, such as pressure diversion steel pipes in hydropower plants, fixed guide vanes, sluices, stilling basins, underwater pipelines, offshore oil exploration platforms, and underwater pile foundations for bridges , caps and other engineering facilities, corrosion, abr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D5/10C09D201/00C09D5/08C08G59/40
CPCC08G59/40C08K2003/0881C08K2201/011C09D5/002C09D5/08C09D5/10C09D163/00C09D201/00C08L71/02C08K13/02C08K3/08
Inventor 范明
Owner 长沙普照材料科技有限责任公司
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