Water-based gray aluminum powder graphite alkyd topcoat and preparation method thereof

A technology of graphite and gray aluminum, which is applied in the field of water-based gray aluminum powder graphite alkyd topcoat and its preparation, can solve the problems of aging resistance and easy corrosion of the paint film, prolong life, improve water resistance and weather resistance, and use long life effect

Inactive Publication Date: 2020-04-17
山东七维新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems of aging resistance and easy corrosion of the paint film in the prior art, the present invention provides a water-based gray aluminum powder graphite alkyd topcoat and a preparation method thereof to solve the above problems

Method used

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  • Water-based gray aluminum powder graphite alkyd topcoat and preparation method thereof

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Embodiment 1

[0039] Water-based gray aluminum powder graphite alkyd topcoat, including the following components in parts by weight: 20 parts of alkyd resin, 1 part of cosolvent, 0.5 part of dispersant, 0.1 part of water-based defoamer, 0.3 part of amine neutralizer, base 1 part of material wetting agent, 6 parts of aluminum powder, 10 parts of graphite, 0.5 part of thickener, 25 parts of distilled water.

[0040] Concrete preparation steps are as follows:

[0041] (1) Add distilled water into the grinding cylinder, start stirring, add 6 parts of aluminum powder and 10 parts of graphite into 25 parts of distilled water, and stir evenly; control the speed at 800r / min, add 0.5 parts of dispersant, water-based 0.1 part of defoaming agent; after stirring evenly, transfer the feed liquid to a sand mill, grind until the fineness is less than 20 μm, and obtain aluminum powder and graphite slurry for later use;

[0042] (2) Add 20 parts of alkyd resin and 2 parts of co-solvent into the paint tank,...

Embodiment 2

[0045] Water-based gray aluminum powder graphite alkyd topcoat, including the following components in parts by weight: 24 parts of alkyd resin, 1 part of cosolvent, 0.6 part of dispersant, 0.2 part of water-based defoamer, 0.4 part of amine neutralizer, base 1 part of material wetting agent, 8 parts of aluminum powder, 18 parts of graphite, 0.8 part of thickener, 30 parts of distilled water.

[0046] Concrete preparation steps are as follows:

[0047] (1) Add distilled water into the grinding cylinder, start stirring, add 8 parts of aluminum powder and 18 parts of graphite into 30 parts of distilled water, and stir evenly; control the speed at 800r / min, add 0.6 parts of dispersant, water-based 0.2 parts of defoaming agent; after stirring evenly, transfer the feed liquid to a sand mill, grind until the fineness is less than 20 μm, and obtain aluminum powder and graphite slurry for later use;

[0048] (2) Add 24 parts of alkyd resin and 1 part of co-solvent into the paint tank,...

Embodiment 3

[0051] Water-based gray aluminum powder graphite alkyd topcoat, including the following components in parts by weight: 30 parts of alkyd resin, 1 part of cosolvent, 1 part of dispersant, 0.3 part of water-based defoamer, 0.8 part of amine neutralizer, base 3 parts of material wetting agent, 10 parts of aluminum powder, 20 parts of graphite, 1 part of thickener, 30 parts of distilled water.

[0052] Concrete preparation steps are as follows:

[0053] (1) Add distilled water into the grinding tank, start stirring, add 10 parts of aluminum powder and 20 parts of graphite into 30 parts of distilled water, and stir evenly; control the speed at 800r / min, add 1 part of dispersant, water-based 0.3 parts of defoaming agent; after stirring evenly, transfer the feed liquid to a sand mill, grind until the fineness is less than 20 μm, and obtain aluminum powder and graphite slurry for later use;

[0054] (2) Add 30 parts of alkyd resin and 3 parts of co-solvent into the paint tank, stir a...

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Abstract

The invention relates to water-based gray aluminum powder graphite alkyd topcoat and a preparation method thereof, belonging to the technical field of water-based industrial paint. The water-based gray aluminum powder graphite alkyd topcoat comprises the following components in parts by weight: 20-30 parts of alkyd resin, 0.1-1 part of a dispersing agent, 1-5 parts of a cosolvent, 0.1-0.3 part ofa water-based defoaming agent, 0.2-0.8 part of an amine neutralizer, 1-3 parts of a substrate wetting agent, 6-10 parts of aluminum powder, 10-20 parts of graphite, 0.1-1 part of a thickening agent and 25-30 parts of distilled water. The gray aluminum powder graphite alkyd topcoat has the beneficial effects that (1) the service life of the gray aluminum powder graphite alkyd topcoat on outdoor steel structures such as bridges, power transmission towers and electrified railway facilities is long; and (2) the topcoat is a single-component coating, and is easier to construct compared with a double-component coating.

Description

technical field [0001] The invention belongs to the technical field of water-based industrial paint, and in particular relates to a water-based gray aluminum powder graphite alkyd topcoat and a preparation method thereof. Background technique [0002] Outdoor steel structures such as bridges, transmission towers and electrified railway facilities operated by my country's railways require a lot of coatings. However, there are problems such as construction difficulties in these outdoor operations, and the coatings used must have a long enough service life to avoid repetitive high-altitude operations. The latest one put into use in our country is ordinary steel gray paint, and its protection life is only 2-3 years. Subsequently, the technicians developed a gray aluminum zinc alkyd topcoat, but this paint needs to be used in conjunction with the red lead antirust primer, and it is a two-component, which needs to be prepared and used immediately. In addition, the mica iron oxid...

Claims

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Application Information

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IPC IPC(8): C09D167/08C09D7/61C09D5/10C09D5/33
CPCC08K2003/0812C09D5/004C09D5/103C09D167/08C09D7/61C09D7/70C08K7/00C08K3/08C08K3/04
Inventor 郭旗杨勇
Owner 山东七维新材料有限公司
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