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Dampproof type water-based compound laser aluminizing coating compound and preparation method thereof

A water-based, moisture-resistant technology, applied in polyurea/polyurethane coatings, coatings, etc., to reduce costs, improve sustainability, and prevent the decline of adhesion

Active Publication Date: 2019-05-10
SHANGHAI CHENGYING NEW MATERIALS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moisture-resistance environment-friendly composite laser aluminized coating has no relevant patents or literature reports

Method used

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  • Dampproof type water-based compound laser aluminizing coating compound and preparation method thereof
  • Dampproof type water-based compound laser aluminizing coating compound and preparation method thereof
  • Dampproof type water-based compound laser aluminizing coating compound and preparation method thereof

Examples

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Embodiment 1

[0034] This embodiment relates to a preparation method of a high-barrier water vapor environment-friendly composite laser aluminized coating composition, which includes the following steps:

[0035] 1. Prepare ingredients according to Table 1;

[0036] 2. Mix the water-based acrylic acid, water-based polyurethane and solvent in the reaction kettle, and stir at a speed of 300r / min for 10-15min;

[0037] 3. Add the cross-linking agent while stirring, and stir at a speed of 300r / min for 5-10min;

[0038] 4. Add the defoamer, wetting agent and hydrophobic agent while stirring, and stir at a speed of 800 r / min for 25-30 minutes to obtain the high-barrier water vapor environmental protection composite laser aluminized coating composition.

Embodiment 2

[0040] The formula of a high-barrier water vapor environment-friendly composite laser aluminized coating composition involved in this example is shown in Table 1, and the preparation method is the same as that of Example 1.

Embodiment 3

[0042] The formula of a high-barrier water vapor environment-friendly composite laser aluminized coating composition involved in this example is shown in Table 1, and the preparation method is the same as that of Example 1.

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Abstract

The invention discloses a dampproof type water-based compound laser aluminizing coating compound and a preparation method thereof. The coating comprises the following components in parts by weight: 20-35 parts of water-based acrylic emulsion, 10-15 parts of waterborne polyurethane, 0.5-2 parts of cross-linking agent, 0.05-0.2 part of de-foaming agent, 0.05-0.2 part of wetting agent, 1-5 parts of hydrophobic mixture and 40-75 parts of solvent. Compared with the prior art, the invention is capable of solving the problem of decreasing of adhesiveness of water-based compound laser coating and PETsubstrate under conditions of high temperature and high humidity at present; the level of oil-based compound laser can be basically achieved; production yield can be effectively increased; market competitiveness is strong; a water-based system resin is adopted; no organic solvent is contained; the coating is a real safe and environment-friendly coating.

Description

technical field [0001] The invention relates to a moisture-resistance type water-based composite laser aluminized coating composition and a preparation method thereof, belonging to the technical field of laser aluminized coatings. Background technique [0002] In recent years, product packaging technology has developed rapidly. Among them, laser molding material technology has also achieved vigorous development. Laser packaging materials are various packaging and decoration materials produced by laser holographic technology, commonly known as laser materials. It has bright color and metallic texture to improve and beautify the visual effect of packaging. At the same time, due to the different laser patterns, the material has strong anti-counterfeiting properties, and is welcomed by many downstream packaging manufacturers. [0003] The early composite laser aluminized coating was a solvent-based system, which used a large amount of organic solvents. On the one hand, the hi...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D175/06
Inventor 董海普孙辉夏炳忠张寒
Owner SHANGHAI CHENGYING NEW MATERIALS
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