High corrosion resistant non-water soluble nano anticorrosive paint in zinc based

An anti-corrosion coating, non-water-soluble technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of high zinc specificity, difficult dispersion, poor appearance, etc., and achieve strong corrosion resistance and good anti-settling properties , Ease of use

Inactive Publication Date: 2005-01-12
KUNMING HENDERA SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the zinc powder content in the coating is too high, the coating will be easily porous, causing transverse copolymerization damage; in addition, the specific gravity of zinc is relatively large, it is difficult to disperse during production and preparation, and precipitation and cake formation are prone to occur during storage. During the process, continuous stirring is required to ensure that the zinc content in the formed coating is equal to the d

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. Mixed solvent preparation: xylene 50%, n-butanol 44%, ethyl acetate 6%. The above reagents are calculated by weight percentage and mixed evenly.

[0022] 2. Preparation of component A: flaky zinc powder 58%, mixed solvent 40%, nano cerium oxide: 2%. The above raw materials are calculated by weight percentage, stirred and mixed evenly.

[0023] 3. Preparation of component B: epoxy resin 50%, mixed solvent 40%, silicone coupling agent 6%, leveling agent: 4%. The above raw materials are calculated by weight percentage, stirred to completely dissolve the resin, and mixed evenly.

[0024] 4. Component C: amine curing agent 50%, mixed solvent 45%, alkyl coupling agent 3%, defoamer: 2%. The above raw materials are calculated by weight percentage, stirred to completely dissolve the resin, and mixed evenly.

[0025] 5. Coating preparation

[0026] (1) Mix components A and B at a ratio of 5:1 (percentage by weight), stir evenly, and leave for more than 5 hours to complete...

Embodiment 2

[0029] 1. Mixed solvent preparation: xylene 60%, n-butanol 30%, ethyl acetate 10%. The above reagents are calculated by weight percentage and mixed evenly.

[0030] 2. Preparation of component A: 30% flake zinc-aluminum alloy powder, 62% mixed solvent, 1% nano-lanthanum oxide, 2% nano-silicon oxide, and 5% nano-zirconia. The above raw materials are calculated by weight percentage, stirred and mixed evenly.

[0031] 3. Preparation of component B: epoxy resin 60%, mixed solvent 25%, silicone coupling agent 10%, leveling agent: 5%. The above raw materials are calculated by weight percentage, stirred to completely dissolve the resin, and mixed evenly.

[0032] 4. Component C: amine curing agent 60%, mixed solvent 25%, alkyl coupling agent 7%, defoamer: 8%. The above raw materials are calculated by weight percentage, stirred to completely dissolve the resin, and mixed evenly.

[0033] 5. Coating preparation

[0034] (1) Mix components A and B at a ratio of 5:1 (percentage by w...

Embodiment 3

[0037] 1. Mixed solvent preparation: xylene 65%, n-butanol 20%, ethyl acetate 15%. The above reagents are calculated by weight percentage and mixed evenly.

[0038] 2. Preparation of component A: 68% flaky zinc-aluminum-silicon alloy powder, 30% mixed solvent, 1% nano-lanthanum oxide, and 1% nano-titanium oxide. The above raw materials are calculated by weight percentage, stirred and mixed evenly.

[0039] 3. Preparation of component B: 37% epoxy resin, 55% mixed solvent, 3% silicone coupling agent, 5% leveling agent. The above raw materials are calculated by weight percentage, stirred to completely dissolve the resin, and mixed evenly.

[0040] 4. Component C: 37% amine curing agent, 48% mixed solvent, 13% alkyl coupling agent, 2% defoamer. The above raw materials are calculated by weight percentage, stirred to completely dissolve the resin, and mixed evenly.

[0041] 5. Coating preparation

[0042] (1) Mix components A and B at a ratio of 5:1 (percentage by weight), sti...

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Abstract

A non water-soluble and zinc based nanoanticorrosion coating material is prepared by using flaky zinc powder or zinc based alloy powder as raw material; adding trace amount of nanometal powder material; using lipid and alcohol as solvent; adding resin, coupling agent, floatting agent and curing agent of amine for forming solvent type of nanoanticorrosion paint. The prepared coating material can be used as both of basic paint or surface paint with strong adhesive force, metal gloss and decorative function.

Description

[0001] 1. Technical field: anti-corrosion coating field. 2. Background technology: [0002] In the known zinc-rich coatings, all spherical zinc powders are used as raw materials. In order to achieve the electrical conductivity of the coating film and play the role of cathodic protection, the content of zinc powder in the coating is required to reach a certain amount. However, if the zinc powder content in the coating is too high, the coating will be easily porous, causing transverse copolymerization damage; in addition, the specific gravity of zinc is relatively large, it is difficult to disperse during production and preparation, and precipitation and cake formation are prone to occur during storage. During the process, continuous stirring is required to ensure that the zinc content in the formed coating is equal to the designed one. Due to the limitation of the particle size of the spherical zinc powder, the thickness of the coating is relatively thick. If the number of coa...

Claims

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Application Information

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IPC IPC(8): C09D5/08C09D163/00
Inventor 朱晓云郭忠诚
Owner KUNMING HENDERA SCI & TECH
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