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On rust paint and preparation method thereof

A technology of rusty coatings and resins, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of limited rust treatment capacity, narrow application range, and limited anti-rust ability, so as to achieve good sealing effect and improve Good effect of cross-linking density and sealability

Active Publication Date: 2012-11-14
CARPOLY CHEM GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although this rusty coating can convert rust into a protective sealing layer, this rusty coating has a limited ability to treat rust and can only convert rust with a thickness of less than 80 μm into a stable compound, and its water resistance is poor. Limited anti-rust ability, so the scope of application is narrow

Method used

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Examples

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preparation example Construction

[0030] The present invention also provides a preparation method for preparing the above-mentioned rusty paint, including:

[0031] To prepare the resin component: take 45 to 60 parts of chelating resin, 10 to 30 parts of benzyl alcohol and 25 to 35 parts of diluent and mix them and disperse them evenly;

[0032] Preparation of curing agent components: Take 80 to 90 parts of ketimine modified fatty amine epoxy resin curing agent, 4 to 10 parts of epoxy resin accelerator and 5 to 10 parts of benzyl alcohol and mix them and disperse them evenly ;

[0033] The resin component and the curing agent component are mixed in a weight ratio of 3 to 4: 1 to obtain an epoxy resin coating.

Embodiment 1

[0036] To prepare the resin component: take 49.3kg of chelating resin, 25kg of benzyl alcohol and 25.7kg of diluent and mix them and disperse them evenly in a disperser;

[0037] Preparation of curing agent components: take 82.5kg of ketimine modified fatty amine epoxy resin curing agent, 8kg of 2,4,6-triphenol and 9.5kg of benzyl alcohol and mix them and disperse them evenly in a disperser;

[0038] Before use, the resin component and the curing agent component are mixed according to a weight ratio of 3.5:1 to obtain an epoxy resin coating.

Embodiment 2

[0040] To prepare the resin component: take 55kg of chelating resin, 18.5 benzyl alcohol and 26.5kg of diluent and mix them and disperse them evenly in a disperser;

[0041] Preparation of curing agent components: take 89.5 kg of ketimine modified fatty amine epoxy resin curing agent, 5.5 kg of 2,4,6-tris (dimethylaminomethyl) phenol and 5.0 kg of benzyl alcohol and mix them before dispersing Evenly dispersed in the machine;

[0042] Before use, the resin component and the curing agent component are mixed in a weight ratio of 3.2:1 to obtain an epoxy resin coating.

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PUM

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Abstract

The invention provides an on rust paint, which comprises a resin component and a curing agent component, wherein the resin component comprises 45wt%-60wt% of chelating resin, 25wt%-35wt% of diluent and 10wt%-30wt% of benzyl alcohol; the curing agent component comprises 80wt%-90wt% of ketimine modified aliphatic amine epoxy resin curing agent, 4wt%-10wt% of epoxy resin accelerator and 5wt%-10wt% of benzyl alcohol; and the weight ratio of the epoxy resin component to the curing agent component is 3-4:1. The invention also provides a preparation method of the on rust paint. The on rust paint provided by the invention has stronger processing capacity on rust, good seal-up performance and long service life.

Description

Technical field [0001] The invention relates to the field of coatings, in particular to a rusty coating and a preparation method thereof. Background technique [0002] Coating is a kind of chemical product made of resin and oil with or without pigment. Coating the paint on the surface of the object can dry and form a film, so that the surface of the object to be coated is separated from the environmental medium, thereby protecting the object to be coated. The surface of steel exposed to the air for a long time is prone to rust, which reduces the mechanical properties of steel and affects the service life of steel as a mechanical component. Therefore, it is often necessary to coat the steel surface with paint to isolate the steel from the air and play a protective role. [0003] Before coating steel with traditional coatings, the steel needs to be completely derusted, and due to the poor waterproof performance of the coating, but in a humid environment, water vapor immersed in the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D5/08
Inventor 吴家岳钱丽丽瞿金清
Owner CARPOLY CHEM GRP
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