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Preparation method of epoxy heavy duty anticorrosion coating

An anti-corrosion coating, epoxy heavy technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve problems such as easy cracking, excess hardness, poor abrasion resistance and impact resistance

Inactive Publication Date: 2018-06-08
CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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  • Abstract
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Problems solved by technology

However, due to the brittleness of epoxy resin, the epoxy resin coating in the prior art has excess hardness and insufficient toughness, so it is very easy to crack under thermal stress or impact, and its scratch resistance and impact resistance are not good enough. good

Method used

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  • Preparation method of epoxy heavy duty anticorrosion coating

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Embodiment Construction

[0046] In order to make the technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0047] In the technical solution of the present invention, the inventors have found through research and multiple tests that nano-scale particles can significantly improve the performance of epoxy resins. The reason is that the bonding between the nanoparticles and the matrix interface is strong And due to the small size effect of nanoparticles, the coating is conducive to stress transmission when it is stressed, and the surface of nanomaterials is severely insufficiently coordinated, showing extremely strong activity, thus further promoting the crosslinking reaction of the resin and improving the intermolecular strength. bond strength, while making the coating dense and wear-resistant. Moreover, the particle size of the micron particles is large...

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Abstract

The invention provides a preparation method of an epoxy heavy duty anticorrosion coating. The preparation method comprises following steps: basalt scale and a nanometer material are subjected to surface modification treatment so as to obtain modified basalt scale and a modified nanometer material; epoxy resin, the modified nanometer material, an antirust agent, an auxiliary agent, a pigment, a filling material, and modified basalt scale are mixed in a first solvent so as to obtain a component A; a polyamide epoxy hardener, and a cashew oil modified epoxy hardener are mixed in a second solventso as to obtain a component B; the component A and the component B are mixed at a preset weight ratio, full stirring is carried out so as to obtain the epoxy heavy duty anticorrosion coating. The preparation method is capable of improving the compactibility, the corrosion resistance, and the durability of the epoxy heavy duty anticorrosion coating.

Description

technical field [0001] The present application relates to the technical field of anti-corrosion coatings, in particular to a preparation method of epoxy heavy-duty anti-corrosion coatings. Background technique [0002] Metal materials have high strength, homogeneity, and strong designability, so they have been widely used in various fields. However, during the use of metal materials, it is inevitable that they will come into contact with the external environment and be corroded by external corrosive media, thereby reducing the durability of the structure, shortening the service life, and causing unnecessary economic losses. At present, the more common method for metal anti-corrosion treatment is to apply a layer of paint on the metal surface to isolate the metal material from the external corrosive medium. Therefore, the main function of the anti-corrosion coating is to isolate the medium from the substrate. However, porosity is often present in the coating. The pore in t...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08C09D7/62C09D7/20
CPCC08K3/34C08K3/36C08K7/00C08K9/06C08K2003/2227C08K2201/011C09D5/08C09D163/00
Inventor 赵进阶杨勇新邹经贾彬
Owner CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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