Aqueous graphene anticorrosive coating

A technology of water-based graphene and anti-corrosion coatings, applied in anti-corrosion coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve the problems of poor water resistance, salt spray resistance time, counterbalance, and difficulty in anti-corrosion performance, and achieve water resistance Strong resistance, good adhesion and outstanding anti-corrosion performance

Inactive Publication Date: 2019-08-23
JINAN JIAXING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current commercially available water-based anti-corrosion coatings are difficult to compete with solvent-based coatings in terms of anti-corrosion perfor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of waterborne graphene anticorrosion paint, comprises each raw material composition of following weight part:

[0016] 30 parts of water-based epoxy resin, 10 parts of graphene dispersion, 10 parts of titanium dioxide, 2 parts of butyl acetate, 1 part of polyether modified defoamer, 10 parts of polytetrafluoroethylene, 4 parts of sodium hexaphosphate, 1 part of siloxane modified organosiloxane, 20 parts of water-based isocyanate curing agent, 6 parts of dimethyl dicarbonate, 10 parts of deionized water.

[0017] The graphene dispersion liquid is formed by adding bis(dioctyloxypyrophosphate)ethylene titanate to graphene powder and water for dispersion and stirring.

[0018] The preparation process is as follows: add water-based resin, graphene dispersion, and filler into the mixing kettle and stir for 45 minutes at a plate speed of 700 rpm, and obtain a mixture after mixing evenly; then add solvent and defoamer to the mixture in sequence , leveling agent, then ad...

Embodiment 2

[0020] A kind of waterborne graphene anticorrosion paint, comprises each raw material composition of following weight part:

[0021] 70 parts of water-based acrylic resin, 30 parts of graphene dispersion, 20 parts of precipitated barium sulfate, 8 parts of xylene, 6 parts of polyether modified defoamer, 15 parts of polytetrafluoroethylene, 8 parts of sodium hexaphosphate 6 parts of non-toxic acrylates, 30 parts of water-based isocyanate curing agent, 12 parts of dimethyl dicarbonate, 30 parts of deionized water.

[0022] The graphene dispersion liquid is formed by adding bis(dioctyloxypyrophosphate)ethylene titanate to graphene powder and water for dispersion and stirring.

[0023] The preparation process is as follows: add water-based resin, graphene dispersion, and filler into the mixing kettle and stir for 40 minutes at a plate speed of 600 rpm, and obtain a mixture after mixing evenly; then add solvent and defoamer to the mixture in sequence , leveling agent, then adjust ...

Embodiment 3

[0025] A kind of waterborne graphene anticorrosion paint, comprises each raw material composition of following weight part:

[0026] 35 parts of water-based polyurethane resin, 15 parts of graphene dispersion, 15 parts of superfine calcite powder, 3 parts of butyl acetate, 2 parts of polyether modified defoamer, 11 parts of polytetrafluoroethylene, 5 parts of sodium hexaphosphate , 2 parts of modified organosiloxanes, 22 parts of water-based isocyanate curing agent, 7 parts of dimethyl dicarbonate, and 12 parts of deionized water.

[0027] The graphene dispersion liquid is formed by adding bis(dioctyloxypyrophosphate)ethylene titanate to graphene powder and water for dispersion and stirring.

[0028] The preparation process is as follows: add water-based resin, graphene dispersion, and filler into the mixing kettle and stir for 50 minutes at a plate speed of 600 rpm, and obtain a mixture after mixing evenly; then add solvent and defoamer to the mixture in sequence , leveling ...

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PUM

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Abstract

The invention relates to an aqueous graphene anticorrosive coating, which comprises 30-70 parts of aqueous resin, 10-30 parts of graphene dispersion, 10-20 parts of a filler, 2-8 parts of a solvent, 1-6 parts of a defoaming agent, 10-15 parts of polytetrafluoroethylene, 4-8 parts of sodium hexametaphosphate, 1-6 parts of a leveling agent, 20-30 parts of a curing agent, 6-12 parts of dimethyl dicarbonate and 10-30 parts of deionized water. The aqueous graphene anticorrosive coating has the characteristics of energy conservation, environmental friendliness, good adhesive force, strong water resistance, outstanding anticorrosive performance and the like.

Description

technical field [0001] The invention relates to the field of anti-corrosion coatings, in particular to a water-based graphene anti-corrosion coating. Background technique [0002] With the development of low-pollution coating industry and coating process, water-based coatings are rising day by day. The use of water-based coatings reduces the pollution of organic solvents to the environment and ensures the health of operators. Its safe and environmentally friendly production and transportation methods are widely favored. However, the current commercially available water-based anti-corrosion coatings are difficult to compete with solvent-based coatings in terms of anti-corrosion performance, poor water resistance, and salt spray resistance time is less than half of solvent-based coatings, which greatly limits the development of water-based coatings. Contents of the invention [0003] The object of the present invention is to provide a water-based graphene anti-corrosion coa...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D175/04C09D1/00C09D4/06C09D4/02C09D5/08
CPCC08K2003/2241C08K2003/265C08L2205/035C09D1/00C09D4/06C09D5/08C09D7/61C09D7/62C09D7/63C09D7/65C09D163/00C09D175/04C08L27/18C08K13/06C08K9/04C08K3/042C08K3/22C08K3/32C08K3/26
Inventor 张成如车春玲
Owner JINAN JIAXING TECH
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