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Container protective finish coating and preparation method thereof

A protective surface and container technology, applied in the direction of polyurea/polyurethane coatings, coatings, latex paints, etc., can solve the problems of harsh use environment, large environmental pollution, high protection requirements, achieve good adhesion, increase surface strength, The effect of low VOC content

Inactive Publication Date: 2017-11-24
SHENZHEN JIADA HIGH TECH IND DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Container equipment is used in a harsh environment (high humidity, high salt, long-term exposure to wind and rain), so it has high protection requirements. The zinc-rich coating system currently used is made of oily acrylic or polyurethane, and has high VOC emissions. Environmental pollution is relatively large, which is harmful to the health of construction workers

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0037] In an embodiment of the present invention, the container protective finish paint, the container protective finish paint, consists of water, wetting agent, dispersant, titanium dioxide, barium sulfate, kaolin, talcum powder, defoamer, water-based polyurethane and fluid Flat agent preparation, the component ratio of each composition is as follows:

[0038] 20.1 to 25 parts of water;

[0039] Wetting agent 0.7~1 part;

[0040] Dispersant 1.1~1.5 parts;

[0041] 18-20 parts of titanium dioxide;

[0042] 1.8-2.0 parts of barium sulfate;

[0043] Kaolin 7-10 parts;

[0044] 18-20 parts of talcum powder;

[0045] 0.8 to 1 part of defoamer;

[0046] 32-35 parts of water-based polyurethane;

[0047] Leveling agent 0.5~1 part

[0048] The technical scheme of the present invention mainly adopts adding titanium dioxide, barium sulfate, kaolin, talcum powder and water-based polyurethane into the aqueous solution, the titanium dioxide plays a covering role; the barium sulfate...

Embodiment 2

[0057] In an embodiment of the present invention, the container protective topcoat coating is prepared by comprising water, wetting agent, dispersant, titanium dioxide, barium sulfate, kaolin, talcum powder, defoamer, water-based polyurethane and leveling agent. The composition ratio is as follows:

[0058] 20.1 parts of water;

[0059] Wetting agent 0.7 parts;

[0060] 1.1 parts of dispersant;

[0061] 18 parts of titanium dioxide;

[0062] 1.8 parts of barium sulfate;

[0063] 7 parts kaolin;

[0064] 18 parts of talcum powder;

[0065] 0.8 part of defoamer;

[0066] 32 parts of water-based polyurethane;

[0067] Leveling agent 0.5 part.

[0068] As mentioned above, the waterborne polyurethane is aromatic polyurethane. It has the advantages of no pollution, safety and reliability, excellent mechanical properties, good compatibility, and easy modification.

[0069] The preparation method of the container protective finish coating of above-mentioned embodiment, compr...

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Abstract

The invention discloses a container protective finish coating and a preparation method thereof. The container protective finish coating is prepared from 20.1-25 parts of water, 0.7-1 part of a wetting agent, 1.1-1.5 parts of a dispersant, 18-20 parts of titanium dioxide, 1.8-2.0 parts of barium sulfate, 7-10 parts of kaolin, 18-20 parts of talcum powder, 0.8-1 part of a defoamer, 32-35 parts of waterborne polyurethane and 0.5-1 part of a flatting agent. According to the technical scheme, the container protective finish coating is a water-based coating system, is extremely low in VOC amount, environment-friendly and good in adhesion, aging resistance, waterproofness and hardness.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a container protective topcoat coating and a preparation method thereof. Background technique [0002] Due to the harsh operating environment of container equipment (high humidity, high salt, long-term sun, wind and rain erosion environment), the protection requirements are high. The zinc-rich coating system currently used is made of oily acrylic or polyurethane, and the VOC emission is high. Environmental pollution is relatively large, and it is harmful to the health of construction workers. Therefore, it is necessary to design a topcoat coating with good adhesion, aging resistance, water resistance and hardness, low material and construction costs, no additional special treatment, and convenient construction. [0003] In view of this, it is necessary to further improve the container protective finish coating. Contents of the invention [0004] To solve at least one of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/02C09D7/12
CPCC09D175/04C08K2003/2241C08K2003/3045C09D5/024C08K3/22C08K3/30C08K3/346C08K3/34
Inventor 关有俊熊永强
Owner SHENZHEN JIADA HIGH TECH IND DEV
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