High-temperature anticorrosive coating for locomotive engine and preparation method of high-temperature anticorrosive coating

A technology for anti-corrosion coatings and engines, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of locomotive safety production and application hidden dangers, affect anti-corrosion performance, organic polymer materials are difficult to meet the use requirements, etc., and achieve convenient and cheap raw material sources Effect

Inactive Publication Date: 2015-10-07
广东华材实业股份有限公司 +2
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AI Technical Summary

Problems solved by technology

Since the locomotive engine, exhaust pipe and other parts are in high temperature and corrosive medium for a long time, the corrosion of the equipment is accelerated, which brings many hidden dangers to the safe production and application of the locomotive
In order to prolong the service life of locomotive engines and exhaust pipes, organic polymer materials are often used to coat the surface of the engine for anti-corrosion treatment, but organic polymers are not resistant to h

Method used

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Embodiment Construction

[0023] The invention discloses a high temperature anticorrosion coating for a locomotive engine.

[0024] The film-forming material is silicone resin and aluminum oxide,

[0025] The regulator is iron oxide,

[0026] Functional fillers are kaolin, nano-calcium carbonate, and nano-magnesium oxide.

[0027] The technical scheme that the present invention adopts to solve its technical problem is: a kind of high-temperature anticorrosion coating for locomotive engine and preparation method thereof, comprises the following steps:

[0028] (1) Measure 5L of xylene and 4000-5500g of epoxy resin E-20, put them in a constant temperature reaction kettle, and keep the temperature at 90-100 O C, stir until the epoxy resin is completely dissolved to form a solution A for later use;

[0029] (2) Heat the above solution A to 110 O C, then weigh 2000-3000g of silicone oligomer, slowly add it dropwise into solution A, stir while adding, keep the stirring speed at 3000-4500r / min, and form ...

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Abstract

The invention discloses a high-temperature anticorrosive coating for a locomotive engine and a preparation method of the high-temperature anticorrosive coating, and in particular relates to a high-temperature anticorrosive coating on the surface of the locomotive engine by adopting an organic silicon system, belonging to the technical field of chemical engineering paints. An inorganic high-temperature-resistant anticorrosive wearable coating is developed by taking organic silicon resin and high-purity aluminium oxide as main film forming matters, iron oxide as a conditioning agent and high-purity kaolin, nano calcium carbonate and nanometer magnesia as functional filling materials; the coating can automatically react on a metallic surface at high temperature in the use process so as to generate a compact ceramic glaze protective layer; furthermore, a metal complexing layer having high adhesion property is formed on the metallic surface within a short time; the coating can be used at more than or equal to 1350 DEG C for a long time; and the coating has excellent high-temperature-resistant corrosion property, wear-resisting property, high and low temperature impact property and the like.

Description

technical field [0001] The invention discloses a high-temperature anti-corrosion coating for a locomotive engine and a preparation method thereof, in particular to a high-temperature anti-corrosion coating prepared on the surface of a locomotive engine by using an organosilicon system, and belongs to the technical field of chemical coatings. Background technique [0002] my country has become the second largest producer of automobiles and the largest producer of motorcycles. The biggest technical bottleneck in the rapid development of the motorcycle industry is the corrosion of engines and exhaust pipes. Because locomotive engines, exhaust pipes and other parts are in high temperature and corrosive medium for a long time, the corrosion of equipment is accelerated, which brings many hidden dangers to the safe production and application of locomotives. In order to prolong the service life of locomotive engines and exhaust pipes, organic polymer materials are often used to coat...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D1/00C09D7/12C09D5/08
Inventor 李新唐知桥吴信唐子奉
Owner 广东华材实业股份有限公司
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