Special binder for waterbrone inorganic zinc-rich anti-corrosion coating

A technology of inorganic zinc-rich, anti-corrosion coatings, applied in anti-corrosion coatings, alkali metal silicate coatings, coatings, etc., can solve problems such as inconsistent electrical properties, gelation, demulsification or delamination, and inconvenient production of binders , to achieve the effect of broadening the selection range

Inactive Publication Date: 2012-02-22
ANHUI JINDUN PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, most silicone-acrylic and / or pure acrylic emulsions have less inorganic electrolytes in the solution, and their electrical properties are inconsistent with the silicate base material. When mixed together, they are prone to incompatibility phenomena such as gelation, demulsification or delamination. The production of special binders for water-based inorganic zinc-rich coatings has brought inconvenience

Method used

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  • Special binder for waterbrone inorganic zinc-rich anti-corrosion coating
  • Special binder for waterbrone inorganic zinc-rich anti-corrosion coating
  • Special binder for waterbrone inorganic zinc-rich anti-corrosion coating

Examples

Experimental program
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Embodiment 1

[0040] Prepare materials according to the following composition:

[0041]

[0042] Dissolve sodium hexametaphosphate in deionized water, slowly pour it into the silicon-acrylic emulsion under stirring, continue stirring for 30 minutes, add potassium silicate solution with a modulus of 6, and stir for 60 minutes to obtain the special adhesive for water-based inorganic zinc-rich anticorrosive coatings. Binder.

Embodiment 2

[0044] Prepare materials according to the following composition:

[0045]

[0046]Add potassium hydroxide to deionized water to dissolve, slowly pour it into pure acrylic emulsion under stirring, continue stirring for 25 minutes, add potassium silicate solution with a modulus of 5, and stir for 80 minutes to obtain water-based inorganic zinc-rich anti-corrosion coating special adhesive agent.

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Abstract

The present invention discloses a special binder for a waterbrone inorganic zinc-rich anti-corrosion coating. The special binder comprises: 10-20% of an emulsion, 1-5% of an inorganic electrolyte, 2-8% of deionized water, 0.5-2% of a waterbrone adhesion accelerating agent and 60-80% of a silicate solution. With adopting the binder of the present invention to modify a common silicone-acrylate emulsion and a pure acrylic emulsion, the compatibilities and the stabilities of the organic emulsion and the silicate solution can be significantly improved.

Description

technical field [0001] The invention relates to a special binder for water-based inorganic zinc-rich anticorrosion coatings. Background technique [0002] The water-based inorganic zinc-rich primer is composed of alkali metal silicate as the first component, and zinc powder and pigment as the second component. Component 1: Component 2 is generally 2.7:1. It can be used in oil tanks, oil tanks, solvent tanks, ballast water tanks, marine steel structures, bridges, chimneys, etc. with harsh environments and conditions, and can also be used as anti-rust and heat-resistant coatings. Its typical but non-limiting construction process includes the following steps: [0003] (1) Remove oil stains on the surface of the steel to be sprayed, and then eliminate iron, phosphorus and rust by shot blasting and sandblasting. After treatment, impurities should be removed again, and then painted. [0004] (2) Mixing conditions: The base material and zinc powder should be mixed according to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D7/12C09D5/10
Inventor 梅长林蒋伟蕃张国胜朱恒衡
Owner ANHUI JINDUN PAINT
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