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Polysulfide Modified Epoxy Resin Coating and Its Application

A polysulfide compound and epoxy coating technology, which is applied in epoxy resin coatings, anti-corrosion coatings, coatings, etc., can solve the problems of increasing construction costs, achieve strong anti-corrosion performance, improve flexibility, and improve adhesion.

Active Publication Date: 2022-02-25
博斯科(上海)功能涂层技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1) Use special spraying equipment to meet the surface treatment standard, which greatly increases the construction cost

Method used

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  • Polysulfide Modified Epoxy Resin Coating and Its Application
  • Polysulfide Modified Epoxy Resin Coating and Its Application
  • Polysulfide Modified Epoxy Resin Coating and Its Application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The configuration method of the polysulfide compound modified epoxy special coating provided in this implementation is as follows:

[0055] Component A: 60kg of liquid epoxy resin (such as Nanya YD-128 resin), put it in an iron container and stir at a medium speed, add 5kg of rutile titanium dioxide, 25kg of talcum powder, and 0.3kg of silicone disinfectant during the stirring process Foaming agent (such as BYKA530), 0.3kg silicone defoamer (such as defoamer 6800), high-speed dispersion for 30 minutes until the fineness reaches 80 microns.

[0056] Component B: Polysulfide resin (such as Akzo Thioplast G4) 40Kg, epoxy resin curing agent (such as Huntsman Aradur 2973) 30kg, take 25kg of talcum powder, 10kg of precipitated barium sulfate, 1kg of fumed silica, and disperse at a high speed To fineness below 80 microns. Add 2kg of benzyl alcohol and stir evenly.

Embodiment 2

[0058] The configuration method of the polysulfide compound modified epoxy special coating provided in this implementation is as follows:

[0059] Component A: 60kg of liquid epoxy resin (such as Nanya YD-128 resin), put it in an iron container and stir at a medium speed, add 10kg of rutile titanium dioxide, 20kg of talcum powder, and 0.5kg of silicone disinfectant Foaming agent (such as BYKA530), 0.5kg silicone defoamer (such as defoamer 6800), high-speed dispersion for 30 minutes until the fineness reaches 80 microns.

[0060] Component B: polysulfide resin (Aksu Thioplast G4) 33Kg, epoxy resin curing agent (Hunsman Aradur 2973) 33kg, take 16kg of precipitated barium sulfate, 15kg of talcum powder, 1kg of fumed silica, and disperse at high speed until fine Degrees below 80 microns. Add 2kg of benzyl alcohol and stir evenly.

Embodiment 3

[0062] The configuration method of the polysulfide compound modified epoxy special coating provided in this implementation is as follows:

[0063] Component A: 60kg of liquid epoxy resin (such as Hexion Epikote 828), put it in an iron container and stir at a medium speed, add 10kg of rutile titanium dioxide, 20kg of talcum powder, and 0.5kg of silicone defoaming during the stirring process Agent (such as BYKA530), 0.5kg silicone defoamer (such as defoamer 6800), high-speed dispersion for 30 minutes until the fineness reaches 80 microns.

[0064] Component B: polysulfide resin (Aksu Thioplast G4) 33Kg, epoxy resin curing agent (Hunsman Aradur 43) 30kg, take 16kg of precipitated barium sulfate, 15kg of talcum powder, 1kg of fumed silica, and disperse at high speed until fine Degrees below 80 microns. Add 2kg of benzyl alcohol and stir evenly.

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Abstract

A polysulfide compound-modified epoxy coating is characterized in that it includes A component and B component, wherein A component includes liquid epoxy resin, and B component includes epoxy resin curing agent and liquid polysulfide rubber. In the polysulfide compound modified epoxy coating provided by the present invention, the addition of polysulfide rubber not only improves the flexibility of the entire coating system, but more importantly, compared with inert rubber particles, polysulfide rubber acts as a reactive film-forming substance Participating in the reaction of the whole system, the vulcanization structure greatly improves the adhesion between the coating and the substrate, and the solvent-free formula system brings higher film thickness and stronger anti-corrosion performance, and the entire coating has extremely high gloss , so that the coating of the present invention has the following advantages: low requirements for surface treatment, single-pass construction, no need for topcoat, and is extremely suitable for the maintenance market.

Description

technical field [0001] The invention relates to a polysulfide compound modified epoxy resin coating, in particular to a polysulfide compound modified epoxy resin special coating which can be used for heavy anticorrosion of steel structures, and an application thereof. Background technique [0002] Steel structure engineering has the characteristics of fast construction speed and strong bearing capacity, and is widely used in the metallurgical industry. However, steel structures have the disadvantage of poor corrosion resistance, which makes later maintenance difficult. Steel structure corrosion is mainly divided into chemical corrosion (dry corrosion, corrosion without liquid phase), electrochemical corrosion (wet corrosion, electrolyte solution contact corrosion), and high temperature gas corrosion (oxidation at 500-1000 ° C), etc., among which, Galvanic corrosion is the most common and most in need of solution. [0003] Heavy-duty anti-corrosion coatings are coatings that...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D181/04C09D5/08
CPCC09D163/00C09D5/08C08L81/04
Inventor 丛海涛肖波邵祥业
Owner 博斯科(上海)功能涂层技术有限公司
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