Graphene-based fluorine-containing photo-curing anticorrosive paint and preparing method thereof

An anti-corrosion coating, graphene-based technology, applied in anti-corrosion coatings, coatings and other directions, can solve problems such as short validity period, and achieve the effects of improving workability, improving cross-linking, and improving salt spray resistance.

Inactive Publication Date: 2019-08-13
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Traditional zinc-rich anti-corrosion coatings belong to the cathodic protection mechanism of sacrificial anodes, which has the problem of shor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] Example 1

[0028] Weigh successively 65 parts of fluorine-containing polyacrylate acrylate, 25 parts of reactive diluent dipropylene glycol diacrylate, 8 parts of photoinitiator 2-hydroxyl-2-methyl-1-phenylacetone and isopropylthia Anthrone mixed components, 3 parts of co-initiator EDAB, 3 parts of graphene with an average particle size of 6 μm, a carbon content of 87%, and an average layer number of 15 layers, 1 part of dispersant BYK-310, and leveling agent BYK- 1 part of 361N, 1 part of anti-sedimentation agent fumed silica, 1 part of defoamer BYK066N, mix well, use 2000rpm high-speed dispersion for 60 minutes to disperse evenly, and then use 500W ultrasonic to further disperse for 30 minutes. When using at 60mW / cm 2 The properties of the obtained anti-corrosion coating are given in Table 1 after irradiating with ultraviolet light for 2 minutes.

Example Embodiment

[0029] Example 2

[0030] Weigh 70 parts of fluorine-containing polyacrylate acrylate, 20 parts of reactive diluent hexanediol diacrylate, 8 parts of photoinitiator bis(2,4,6-trimethylbenzoyl) phenylphosphine oxide and Mixed components of isopropylthioxanthone, 3 parts of co-initiator EDAB, 2 parts of graphene with an average particle size of 12 μm, a carbon content of 87%, and an average number of layers of 15 layers, 1 part of dispersant BYK-310, 1 part of leveling agent BYK-361N, 1 part of anti-settling agent fumed silica, 1 part of defoamer BYK-052N, mix evenly, use 3000rpm high-speed dispersion for 30 minutes to disperse evenly, and then use 300W ultrasonic to further disperse, ultrasonic time 60min. When using at 150mW / cm 2 The properties of the anti-corrosion coating obtained by irradiating with ultraviolet light for 1 min are given in Table 1.

Example Embodiment

[0031] Example 3

[0032] Weigh 65 parts of fluorine-containing polyacrylate acrylate, 25 parts of reactive diluent neopentyl glycol diacrylate, and 8 parts of photoinitiator 2-methyl-1-(4-methylthiophenyl)-2- Morpholine-1-acetone and isopropylthioxanthone mixed components, 3 parts of co-initiator ODAB, 2 parts of graphene with an average particle size of 30 μm, a carbon content of 95%, and an average layer number of 15 layers, dispersed 1 part of agent BYK-323, 1 part of leveling agent BYK-320, 1 part of anti-settling agent organic bentonite, 1 part of defoamer BYK-088, mix well, use 3000rpm high-speed dispersion for 30min to disperse evenly, and then use 300W ultrasonic Further disperse, 30min during ultrasonication. When using at 30mW / cm 2 The properties of the obtained anti-corrosion coating are given in Table 1 after irradiating with ultraviolet light for 5 min.

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Abstract

The invention relates to a graphene-based fluorine-containing photo-curing anticorrosive paint and a preparing method thereof. The anticorrosive paint is prepared from, by mass, 60-70 parts of fluorine-containing oligomer resin, 5-10 parts of a photoinitiator, 2-5 parts of an auxiliary initiator, 20-25 parts of an active diluting agent, 0.1-3 parts of graphene, 0.1-1 part of a dispersing agent, 0.1-1 part of a levelling agent, 0.1-1 part of an anti-setting agent and 0.1-1 part of a defoaming agent. The preparing method of the metal paint comprises the steps that raw materials are proportionally weighed, the graphene, the fluorine-containing acrylate resin, the active diluting agent and other additives are mixed and mechanically stirred to disperse uniformly and then are ultrasonically dispersed, and after the mixture is dispersed evenly, the graphene-based fluorine-containing photo-curing anticorrosive paint is obtained. The graphene-based fluorine-containing photo-curing anticorrosivepaint has the advantages that the corrosive resistance, the chemical resistance and the weather resistance of the paint are excellent, and the solidified anticorrosive paint can be rapidly obtained through a photo-curing method and is environmentally friendly.

Description

technical field [0001] The invention relates to a graphene-based light-cured fluorine-containing anticorrosion coating and a preparation method thereof, belonging to the technical field of coatings and preparation. Background technique [0002] In recent years, with the rapid development of my country's economy, a large amount of steel has been used in the fields of transportation, construction, machinery, energy, chemical industry, infrastructure, railway and marine development, and the resulting corrosion of steel has become more and more serious. Therefore, people's performance requirements for anti-corrosion coatings are getting higher and higher, and traditional organic anti-corrosion coatings can no longer meet the demand. [0003] Graphene is a new type of two-dimensional material with a single-layer sheet structure composed of carbon atoms. It has excellent electrical, thermal and mechanical properties, and has attracted widespread attention. Graphene with a sheet st...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D5/08
CPCC09D4/06C09D5/08C09D7/61
Inventor 何勇王德全聂俊
Owner BEIJING UNIV OF CHEM TECH
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