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Paint in aqueous epoxy thick paste and preparation method thereof

A water-based epoxy and paint technology, applied in the field of coatings, can solve the problems of environmental and human health hazards, high toxicity of intermediate paints, etc., and achieve the effects of no fire hazard, increased thixotropy, and good system sealing.

Active Publication Date: 2012-10-17
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to improve the problem that the existing intermediate paint is highly toxic and causes great harm to the environment and human health, the invention provides a water-based epoxy thick paste intermediate paint and a preparation method thereof, specifically as follows:

Method used

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  • Paint in aqueous epoxy thick paste and preparation method thereof

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Embodiment 1

[0023] The water-based epoxy mastic medium coating provided in this embodiment 1 includes A component and B component, wherein, and the weight ratio of A component and B component is 5:1-3:1;

[0024] Component A is proportioned by weight, including: 15 parts of modified polyamine, 0.5 parts of co-solvent, 18.3 parts of distilled water, 1 part of anti-sedimentation thixotropic agent, 0.5 parts of defoamer, 40 parts of pigment and filler, and 1.5 parts of dispersant , 0.2 part of surfactant, 0.5 part of adhesion promoter, 0.5 part of thickener;

[0025] Component B is proportioned by weight, including: 20 parts of liquid epoxy resin and 2 parts of reactive diluent.

[0026] Further, the above-mentioned modified multi-component includes water-based fatty amine and water-based polyamide, and the weight ratio of water-based fatty amine and polyamide is 15:1-10:1. In this embodiment, specifically, the above-mentioned modified multi-component includes 13.6 parts of water-based fatt...

Embodiment 2

[0048] The water-based epoxy mastic medium coating provided in this embodiment 2 includes A component and B component, wherein, and the weight ratio of A component and B component is 5:1-3:1;

[0049] Component A is proportioned by weight, including: 24.5 parts of modified polyamine, 1.5 parts of co-solvent, 25 parts of distilled water, 6 parts of anti-sedimentation thixotropic agent, 0.5 part of defoamer, 45 parts of pigment and filler, and 1 part of dispersant , 0.2 part of surfactant, 0.3 part of adhesion promoter, 0.5 part of thickener;

[0050] Component B is proportioned by weight, including: 25 parts of liquid epoxy resin and 2.7 parts of reactive diluent.

[0051] Further, the above-mentioned modified multi-component includes water-based fatty amine and water-based polyamide, and the weight ratio of water-based fatty amine and polyamide is 15:1-10:1. In this embodiment, specifically, the above-mentioned modified multi-component includes 22.5 parts of water-based fatty...

Embodiment 3

[0069] The water-based epoxy mastic medium coating provided in this embodiment 3 includes A component and B component, wherein, and the weight ratio of A component and B component is 5:1-3:1;

[0070] Component A is proportioned by weight, including: 27.5 parts of modified polyamine, 2 parts of cosolvent, 30 parts of distilled water, 8 parts of anti-sedimentation thixotropic agent, 0.7 part of defoamer, 50 parts of pigment and filler, and 1.2 parts of dispersant , 0.3 part of surfactant, 0.5 part of adhesion promoter, 0.5 part of thickener;

[0071] Component B is proportioned by weight, including: 27 parts of liquid epoxy resin and 3 parts of reactive diluent.

[0072] Further, the above-mentioned modified multi-component includes water-based fatty amine and water-based polyamide, and the weight ratio of water-based fatty amine and polyamide is 15:1-10:1. In this embodiment, specifically, the above-mentioned modified multi-component includes 25 parts of water-based fatty ami...

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Abstract

The invention discloses a paint in aqueous epoxy thick paste and a preparation method thereof, relating to the field of paints. The paint in aqueous epoxy thick paste disclosed by the invention adopts water as a dispersion medium and does not contain volatile organic solvents such as halogenated hydrocarbon, methylbenzene, dimethylbenzene and the like so as not to cause environmental pollutions and fire hazards so that the environmental protection requirement is met; modified polyamine is used as a curing agent so that the cross-linking density is improved and the thixotropy of the system is increased; and a silicone defoaming agent is added so that the problem of thick bubbles is solved and the sealing property of the system is good.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based epoxy mastic medium coating and a preparation method thereof. Background technique [0002] At present, in order to prevent the inner and outer walls of the wind power tower from being corroded or rusted, it is necessary to use three layers of paint on the inner and outer walls of the wind power tower for protection. [0003] At present, there are few water-based paints used for wind power towers. The bottom, middle and surface layers are generally made of paint, while the water-based epoxy high-build paint has never appeared in the mid-coat. Most of the anti-corrosion coatings for the inner and outer walls of wind power towers in my country are imported solvent-based coatings, which contain heavy metal compounds such as chromium or lead, which are highly toxic and will cause great harm to the environment and human health. Contents of the invention [0004] In order to im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12
Inventor 郇庆国张晓娜王进强向国鼎花东栓郭晓峰荆旺刘国旭
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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