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Underwater-curable heavy anti-corrosion coating and processing technology

An underwater curing and heavy-duty anti-corrosion technology, applied in the field of coatings, can solve the problem of unsatisfactory mechanical properties such as abrasion resistance, impact resistance, flexibility and tensile strength, inconvenient granulation by the granulator, and poor curing effect. Good and other problems, to achieve the effect of short curing time, convenient cutting, good anti-abrasion performance

Pending Publication Date: 2021-10-08
广州市修米德科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing heavy-duty anti-corrosion coatings have poor curing effect when used underwater, and the mechanical properties such as abrasion resistance, impact resistance, flexibility and tensile strength are not ideal. At the same time, the granulator is inconvenient to granulate

Method used

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  • Underwater-curable heavy anti-corrosion coating and processing technology
  • Underwater-curable heavy anti-corrosion coating and processing technology
  • Underwater-curable heavy anti-corrosion coating and processing technology

Examples

Experimental program
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Effect test

Embodiment 1

[0045] like figure 1 As shown, a kind of heavy-duty anti-corrosion coating that can be cured under water, the raw material of this kind of heavy-duty anti-corrosion coating that can be cured under water comprises by parts: modified epoxy resin 28 parts, cyclohexanediol diglycidyl ether 23 parts, three 20 parts of aluminum polyphosphate antirust pigment, 2.2 parts of dispersant, 12.2 parts of wollastonite powder, 4.5 parts of naphthenic amine curing agent, 2.0 parts of aminosilane coupling agent, 5.6 parts of aluminum paste, 3.5 parts of zinc phosphate.

[0046] A processing technology of a heavy-duty anti-corrosion coating that can be cured underwater, the specific steps are as follows:

[0047] Step 1. Add aluminum tripolyphosphate antirust pigment, wollastonite powder, cyclohexanediol diglycidyl ether and zinc phosphate into the dispersion tank, first disperse at 1200rpm for 10min, adjust the speed to 2500rpm and disperse until the two are uniformly dissolved mixed solution...

Embodiment 2

[0052] like figure 1 As shown, embodiment 2 is a further improvement to embodiment 1, a kind of heavy-duty anti-corrosion coating that can be cured under water, the raw material of this kind of heavy-duty anti-corrosion coating that can be cured under water comprises by parts: modified epoxy resin 42 parts , 15 parts of cyclohexanediol diglycidyl ether, 12 parts of aluminum tripolyphosphate antirust pigment, 3.5 parts of dispersant, 15.5 parts of wollastonite powder, 2.5 parts of cycloalkylamine curing agent, 0.5 parts of aminosilane coupling agent, aluminum 8.9 parts of slurry, 5.5 parts of zinc phosphate.

[0053] A processing technology of a heavy-duty anti-corrosion coating that can be cured underwater, the specific steps are as follows:

[0054] Step 1. Add aluminum tripolyphosphate antirust pigment, wollastonite powder, cyclohexanediol diglycidyl ether and zinc phosphate into the dispersion tank, first disperse at 800rpm for 15 minutes, adjust the speed to 2500rpm and d...

Embodiment 3

[0060] Embodiment 3 is a further improvement to Embodiment 1.

[0061] like figure 2 , 3 , 4, 5, 6, 7, 8, 9, 10, and 11, a device for underwater curable heavy-duty anti-corrosion coatings, the device is a granulator in step three, including a box body 1 and a feed pipe 4 The box body 1 is connected with an extrusion structure 3 for raw material extrusion. The extrusion structure 3 includes a first drive motor 301, a drive ring gear 302, a straight groove 303, a support plate 304, a first rotating shaft 305, a conical extrusion The pressure frame 306, the tapered box 307, the L-shaped connecting plate 308 and the spur plate 309, the output end of the first drive motor 301 is fixedly connected with the first rotating shaft 305, and the driving ring gear 302 is fixedly connected with the first rotating shaft 305 , the outer end of the first rotating shaft 305 is rotatably connected with a support plate 304 through a fixedly connected bearing, the support plate 304 is fixedly i...

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Abstract

The invention discloses an underwater-curable heavy anti-corrosion coating and a processing technology and device, and relates to the technical field of coatings. The underwater-curable heavy anti-corrosion coating is prepared from 28-42 parts of modified epoxy resin, 15-23 parts of cyclohexanediol diglycidyl ether, 12-20 parts of aluminum triphosphate anti-rust pigment, 2.2-3.5 parts of a dispersing agent, 12.2-15.5 parts of wollastonite powder, 2.5-4.5 parts of a naphthenic amine curing agent, 0.5-2.0 parts of an amino silane coupling agent, 5.6-8.9 parts of aluminum paste and 3.5-5.5 parts of zinc phosphate. The curing time of the epoxy resin and the cyclohexanediol diglycidyl ether is short, the high cross-linking density formed after curing endows a film layer with good mechanical properties such as abrasion resistance, impact resistance, flexibility and tensile strength, and then the epoxy resin and the cyclohexanediol diglycidyl ether are fully mixed with other raw materials to prepare an underwater-curable repair coating used for repairing underwater structures such as hydropower stations, and the damage problems of local cracking, erosion, stripping, water seepage and the like at a plurality of places of most underwater structures at present are solved in a long-acting way; and meanwhile, the anti-corrosion performance is relatively excellent, and granulation is facilitated.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an underwater curable heavy-duty anti-corrosion coating, a processing technique and a device. Background technique [0002] Heavy-duty coating: Its English name is heavy-duty coating, which refers to a type of anti-corrosion coating that can be applied in a relatively harsh corrosive environment compared with conventional anti-corrosion coatings, and has a longer protection period than conventional anti-corrosion coatings. It can be used under harsh conditions and has a long anti-corrosion life. The heavy-duty anti-corrosion coating can generally be used for 10 or 15 years in the chemical atmosphere and marine environment, even in acid, alkali, salt and solvent media, and in a certain Under high temperature conditions, it can also be used for more than 5 years. Thick film is an important symbol of heavy-duty anti-corrosion coatings. The dry film thickness of general anti-corro...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/10C09D7/61
CPCC09D163/00C09D5/103C09D5/084C09D7/61C08K2003/327C08K2003/328C08K3/32C08K3/34C08K3/08
Inventor 徐晓飞
Owner 广州市修米德科技有限公司