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Novel waterborne zinc-rich anti-corrosive paint

An anti-corrosion coating, water-based technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of unfavorable coating construction, incomplete shielding and comprehensive performance, insufficient dispersion and wetting, etc., achieving no impact on health, saving materials, improving The effect of anti-corrosion properties

Inactive Publication Date: 2009-04-29
LANGFANG ZKYD ANTI RUST TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its insufficient dispersion and wetting, incomplete shielding and comprehensive performance, and low viscosity, it is not conducive to coating construction.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] 1) Weigh 50g of ultra-fine zinc powder (≤10 μm) and 10g of nano-silicon dioxide and put them into a dry powder mixer for stirring, and mix evenly for 45 minutes to prepare component A of the present invention;

[0045] 2) Weigh 8 g of potassium silicate, mix with 17 g of water, add 4 g of hexamethyldisiloxane, 1 g of sodium hydroxymethyl cellulose, disperse and stir evenly, and prepare component B of the present invention;

[0046] 3) directly mix the above-mentioned components A and B, and stir evenly to prepare the novel water-based zinc-rich anticorrosive coating of the present invention.

Embodiment 2

[0048] 1) Weigh 53.6g of ultrafine zinc powder (≤10 μm) and 13.4g of nano-silicon dioxide into a dry powder mixer for stirring, and mix uniformly for 30 minutes to prepare component A of the present invention;

[0049] 2) Weigh 8.2g of potassium silicate, mix with 18.53g of water, add 4.62g of modified organic bentonite, 1.65g of sodium hydroxymethyl cellulose, disperse and stir evenly to prepare component B of the present invention;

[0050] 3) directly mix the above-mentioned components A and B, and stir evenly to prepare the novel water-based zinc-rich anticorrosive coating of the present invention.

Embodiment 3

[0052] 1) Weigh 56g of ultrafine zinc powder (≤10 μm) and 15g of nano silicon dioxide and put them into a dry powder mixer for stirring, and mix evenly for 30 minutes to prepare component A of the present invention;

[0053] 2) Weigh 10 g of potassium silicate, mix with 20 g of water, add 7 g of modified organic bentonite, and 2 g of sodium alginate, disperse and stir evenly to prepare component B of the present invention;

[0054]3) directly mix the above-mentioned components A and B, and stir evenly to prepare the novel water-based zinc-rich anticorrosive coating of the present invention.

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PUM

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Abstract

The invention discloses a novel water-based zinc-rich anti-corrosive paint, which consists of a component a and a component b; according to the total weight percentage of the paint, the component a comprises 50 to 56 percent of zinc powder and 10 to 15 percent of thixotropic agent, and the component b comprises 8 to 10 percent of potassium metasilicate, 17 to 20 percent of water, 1 to 2 percent of thickening agent and 4 to 7 percent of addition agent. When in use, the water-based zinc-rich anti-corrosive paint can be prepared by mixing the component a and component b. The paint system is a water-based system, does not contain organic solvent, has simple preparation method, saves materials, reduces the cost by 5 to 10 percent compared with like products, and has no environment pollution and no influence on constructors. The cured coating has the advantages of excellent ageing-resistant, radiation resistant and solvent resistant performance, good comprehensive performance and long-term corrosion resistance.

Description

technical field [0001] The invention relates to the field of paint materials, and more specifically relates to a novel water-based zinc-rich anticorrosion paint for the surface of metal materials. Background technique [0002] At present, zinc-containing compositions for metal anticorrosion coatings mostly use ethyl silicate hydrolyzate as a binder and ultrafine zinc powder. Although the coating has no harmful substances after curing (the main substance after film formation is inorganic zinc silicate), its formulation system contains a large amount of organic solvents, which are volatilized and discharged during the construction process, which not only seriously pollutes the environment and endangers the health of construction workers, but also There are potential safety hazards during storage and transportation, so its use is restricted. [0003] There is also a zinc-containing coating composed of water-soluble inorganic binder and ultra-fine zinc powder. The common proble...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/08C09D1/00
Inventor 黄鑫泉谢志敏
Owner LANGFANG ZKYD ANTI RUST TECH
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