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Modified epoxy resin anticorrosive paint

An anti-corrosion coating and epoxy resin technology, applied in the coating field, can solve the problem of poor impact resistance, peeling resistance and vibration fatigue resistance of epoxy resin cured products, unsatisfactory corrosion resistance and impact resistance, and waste of resources and energy. and other problems, to achieve the effect of high peel strength, good toughness, reduced water absorption and shrinkage

Inactive Publication Date: 2015-05-13
WUHU SHUANGBAO BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Corrosion problems will cause a lot of waste of resources and energy, pollute the environment, and even cause personal casualties. With the advancement of technology and the diversification of corrosion problems, people have put forward more requirements on the varieties and properties of anti-corrosion coatings. Require
[0003] There are many types of anti-corrosion coatings. The cured epoxy resin has good mechanical properties, good chemical stability, good electrical insulation, low shrinkage, good heat resistance, high strength, easy processing and good adhesion to the substrate. It has been widely used in the field of coatings, but the cured epoxy resin has poor performance in impact resistance, peeling resistance and vibration fatigue resistance, which limits its application. Performance and impact resistance are not very ideal, need to be modified

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The modified epoxy resin anticorrosion paint of the present invention, its raw material comprises the following components by weight: 40 parts of modified epoxy resin, 10 parts of polystyrene rubber, 5 parts of mica powder, 15 parts of quartz powder, nano-oxidized 3 parts of iron, 3 parts of zinc powder, 16 parts of ceramic micropowder, 6 parts of molybdenum disulfide, 2 parts of polytetrafluoroethylene, 5.8 parts of aminosilane coupling agent, 3 parts of film-forming aid, 7 parts of reactive diluent, defoaming 0.3 parts of agent, 0.6 parts of leveling agent, 20 parts of deionized water, 1.5 parts of curing agent;

[0020] Wherein, the modified epoxy resin is prepared according to the following process: stir 61 parts of hydroxy-terminated styrene-butadiene rubber in parts by weight to 116° C., carry out vacuum degassing for 31 minutes, then cool down to room temperature, add 87 parts of toluene diisocyanate, and heat up to 97°C, stirred and reacted for 4.8 hours, vacuum...

Embodiment 2

[0022]The modified epoxy resin anticorrosion coating of the present invention, its raw material comprises the following components by weight: 55 parts of modified epoxy resin, 3 parts of polystyrene rubber, 18 parts of mica powder, 6 parts of quartz powder, nano-oxidized 12 parts of iron, 10 parts of zinc powder, 5 parts of ceramic micropowder, 2 parts of molybdenum disulfide, 5 parts of polytetrafluoroethylene, 3 parts of aminosilane coupling agent, 5 parts of film-forming aid, 3 parts of reactive diluent, defoaming 0.7 parts of agent, 0.3 parts of leveling agent, 35 parts of deionized water, 0.6 parts of curing agent;

[0023] Wherein, the aminosilane coupling agent is anilinomethyltrimethoxysilane; the film-forming aid is propylene glycol; the reactive diluent is tripropylene glycol diacrylate, trimethylolpropane triacrylate, The combination of triethanolamine in any ratio by weight; the curing agent is a polyamine curing agent; the polyamine curing agent is triethylamine, ...

Embodiment 3

[0026] The modified epoxy resin anticorrosion coating of the present invention, its raw material comprises the following components by weight: 51.3 parts of modified epoxy resin, 8.4 parts of polystyrene rubber, 15.3 parts of mica powder, 12.6 parts of quartz powder, nano-oxidized 9.4 parts of iron, 8.6 parts of zinc powder, 12.6 parts of ceramic micropowder, 5.6 parts of molybdenum disulfide, 3 parts of polytetrafluoroethylene, 5.3 parts of aminosilane coupling agent, 4.3 parts of film-forming aid, 5.8 parts of reactive diluent, defoaming 0.4 parts of agent, 0.53 parts of leveling agent, 28.4 parts of deionized water, 1.1 parts of curing agent;

[0027] Wherein, the aminosilane coupling agent is a combination of N-β-aminoethyl-γ-aminopropyltrimethoxysilane and γ-aminopropyltriethoxysilane in a ratio of 1:2 parts by weight; Described film-forming aid is the combination of propylene glycol ether, ethylene glycol, dipropylene glycol, diethylene glycol, propylene glycol, diethyle...

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PUM

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Abstract

The invention discloses a modified epoxy resin anticorrosive paint which is prepared from the following raw materials in parts by weight: 40-55 parts of a modified epoxy resin, 3-10 parts of a polystyrene rubber, 5-18 parts of mica powder, 6-15 parts of quartz powder, 3-12 parts of nano-sized iron oxide, 3-10 parts of zinc powder, 5-16 parts of ceramic micro powder, 2-6 parts of molybdenum disulfide, 2-5 parts of polytetrafluoroethylene, 3-5.8 parts of an aminosilane coupling agent, 3-5 parts of a coalescing agent, 3-7 parts of a reactive diluent, 0.3-0.7 part of a defoaming agent, 0.3-0.6 part of leveling agent, 20-35 parts of deionized water and 0.6-1.5 part of a curing agent. The modified epoxy resin anticorrosive paint provided by the invention is strong in force of adhering to base materials, good in anticorrosive performance, high in impact strength and excellent in weather fastness.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a modified epoxy resin anticorrosion coating. Background technique [0002] Corrosion problems will cause a lot of waste of resources and energy, pollute the environment, and even cause personal casualties. With the advancement of technology and the diversification of corrosion problems, people have put forward more requirements on the varieties and properties of anti-corrosion coatings. Require. [0003] There are many types of anti-corrosion coatings. The cured epoxy resin has good mechanical properties, good chemical stability, good electrical insulation, low shrinkage, good heat resistance, high strength, easy processing and good adhesion to the substrate. It has been widely used in the field of coatings, but the cured epoxy resin has poor performance in impact resistance, peeling resistance and vibration fatigue resistance, which limits its application. Performance and im...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D127/18C09D125/06C09D5/10C09D7/12C08G59/14C08G18/76C08G18/62
CPCC09D163/00C08G18/698C08G18/7614C08G59/14C08K2201/011C08L2205/03C09D5/106C09D7/61C09D7/63C08L25/06C08L27/18C08K13/02C08K3/34C08K3/36C08K2003/2265C08K2003/0893C08K2003/3009
Inventor 胡昌悌
Owner WUHU SHUANGBAO BUILDING MATERIAL
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