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Water-based silicone-acrylic mica iron oxide anti-corrosion coating

An anti-corrosion coating, water-based silicon technology, applied in anti-corrosion coatings, anti-fouling/underwater coatings, coatings, etc., can solve problems such as poor liquid resistance, achieve excellent anti-corrosion performance, obvious sealing effect, and improve water resistance.

Inactive Publication Date: 2014-06-18
WUDA JUCHENG STRUCTURE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem of poor liquid resistance of the coating in the prior art, and to provide a water-based silicon-acrylonitrile-iron anticorrosion coating with excellent liquid resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A kind of water-based silicon acrylic iron anticorrosion paint, the raw material composition of this paint and its weight portion ratio are: silicon propylene base material 50, micaceous iron oxide ash 20, auxiliary pigment 5, filler 10, auxiliary agent 5, water 10; Wherein, The silicon-acrylic base material is a mixture of water-based silicon-acrylic emulsion and water-based pure acrylic emulsion, a mixture of water-based silicon-acrylic emulsion and water-based styrene-acrylic emulsion, and one of water-based silicon-acrylic emulsions, and the auxiliary pigment is rutile titanium dioxide; The composition and weight ratio of the filler are: silicon dioxide 2, barium sulfate 5, talcum powder 3; the composition and weight ratio of the additives are: rust inhibitor 0.2, dispersant 0.4, antifreeze Agent 1, film-forming aid 1, wetting agent 0.3, bactericide 0.4, pH regulator 0.3, rheological additive 0.9, defoamer 0.5; the rust inhibitor is an organozinc chelate, and the dis...

Embodiment 2

[0049] Step is with embodiment 1, and difference is:

[0050]The raw material composition and the weight portion ratio of the described water-based silicon acrylic mica iron anticorrosion paint are: silicon propyl material 30, micaceous iron oxide ash 41, auxiliary pigment 1, filler 4, auxiliary agent 4, water 20; Described auxiliary pigment is Iron oxide red; the composition of the filler and its weight ratio are talc powder 2 and mica powder 2; the composition of the auxiliary agent and its weight ratio are: rust inhibitor 0.2, dispersant 0.3, antifreeze agent 0.5 , film-forming aid 1.2, wetting agent 0.1, bactericide 0.2, pH regulator 0.4, rheology additive 0.8, defoamer 0.3, the dispersant is polycarboxylate ammonium salt, and the wetting agent is Modified polysiloxane.

Embodiment 3

[0052] Step is with embodiment 1, and difference is:

[0053] The raw material composition and weight portion ratio of the water-based silicon acrylic iron anticorrosion paint are: silicon propylene base material 35, mica iron oxide ash 32, auxiliary pigment 10, filler 15, auxiliary agent 3, water 5; the composition of the pigment The components and their weight ratios are: rutile titanium dioxide 5, nano-titanium dioxide 3, phthalocyanine pigment 2; the composition and weight ratios of the filler are: barium sulfate 10, diatomite 1, mica powder 4; The composition and weight ratio of the additives are: rust inhibitor 0.1, dispersant 0.2, antifreeze 0.3, film-forming aid 0.8, wetting agent 0.3, bactericide 0.2, pH regulator 0.3, rheological aid Agent 0.5, defoamer 0.3, wherein, the pH regulator is ammonia water, the rheology additive is nonionic polyurethane polymer, and the defoamer is hydrophobic silicon dioxide.

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PUM

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Abstract

The invention discloses a water-based silicone-acrylic mica iron oxide anti-corrosion coating. The anti-corrosion coating is prepared from the following raw materials in parts by weight: 30-50 parts of silicone-acrylic base material, 20-41 parts of pigment, 1-10 parts of auxiliary pigment, 4-15 parts of filler, 5-20 parts of water and 1-20 parts of assistant, wherein the pigment is micaceous iron oxide gray; the auxiliary pigment is at least one of rutile titanium dioxide, nano-titanium dioxide, phthalocyanine pigment, compound pigment and iron oxide pigment; the weight ratio of the auxiliary pigment to the pigment is (1-10):(20-41); the silicone-acrylic base material is water-based silicone-acrylic emulsion, a mixture of water-based silicone-acrylic emulsion and water-based pure silicone-acrylic emulsion or a mixture of water-based silicone-acrylic emulsion and water-based styrene-acrylic emulsion. By adopting the coating, not only is the water, acid and saline resistance increased, but also the corrosion resistance is excellent.

Description

technical field [0001] The invention relates to a medium coating for zinc-rich anticorrosive coatings such as water-based inorganic zinc-rich primer or water-based epoxy zinc-rich primer, in particular to a water-based silicon-acrylic acid anti-corrosion coating, which is suitable for improving the water resistance, acid resistance and corrosion resistance of the coating. Salt water resistance. Background technique [0002] Corrosion of steel structures has spread to all fields of the national economy and brought huge losses to the national economy. Coating anti-corrosion coating on the surface of the steel structure to isolate the corrosive medium from the steel structure matrix is ​​one of the most effective and commonly used methods for steel structure anti-corrosion. Zinc-rich anti-corrosion coatings such as water-based inorganic zinc-rich coatings or water-based epoxy zinc-rich coatings are used for steel structure anti-corrosion, and the anti-corrosion effect is good;...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D125/14C09D5/08C09D5/14
Inventor 刘巧云李北星万雄卫
Owner WUDA JUCHENG STRUCTURE CO LTD
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