Coating material, protective coating and construction method of protective coating

A coating material and protective layer technology, applied in the field of anti-corrosion and heat preservation, can solve the problems of long time-consuming and difficult construction process, and achieve the effects of improving anti-corrosion ability, enhancing adhesion, and enhancing heat preservation ability

Inactive Publication Date: 2017-05-31
河南中和信建筑安装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In practical applications, many pipelines need to be equipped with anti-corrosion and thermal insulation measures at the same time. Therefore, in the current actual construction, the pipelines need to be coated with anti-corrosion layer, thermal insulation layer, and protective layer in sequence. The construction process is difficult and time-consuming.

Method used

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  • Coating material, protective coating and construction method of protective coating
  • Coating material, protective coating and construction method of protective coating
  • Coating material, protective coating and construction method of protective coating

Examples

Experimental program
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Effect test

Embodiment 1

[0040] This embodiment provides a coating material, including the following raw materials: low-density linear PE (powder), EMAA (powder), and hollow glass microspheres. The specific amounts of raw materials are shown in Table 1.

[0041] This embodiment also provides a protective layer, which is prepared by spraying and foaming the above-mentioned coating material.

[0042] The specific construction method of the above protective layer is as follows: add EMAA to PE according to different proportions, stir and mix and ball mill for 24 hours to obtain a mixed powder, then add hollow glass microspheres to the mixed powder, and ball mill for 12 hours to obtain a mixed material. Put the mixture into the pre-prepared flame spraying gun, pressurize the interior of the flame spraying gun containing the mixture to 200kPa, and control the flame temperature at the outlet of the flame spraying gun at 110-200. Prepare 9 ordinary steel plates of the same material, and the steel plates have ...

Embodiment 2

[0051] This embodiment provides a coating material, including the following raw materials: azodicarbonamide, diphenol propane type epoxy resin (abbreviated as bisphenol A type epoxy resin), maleic anhydride, nano TiO 2 , see Table 2 for the specific dosage of each component.

[0052] This embodiment also provides a protective layer constructed from the above coating materials.

[0053] The specific construction method is as follows: azodicarbonamide, bisphenol A epoxy resin, nano-TiO 2 Mechanically mixed and ball milled for 48 hours to obtain a mixed powder. Then add maleic anhydride to the mixed powder, stir and mix to obtain a mixed material. Put the mixture into the pre-prepared flame spraying gun, and control the flame temperature at the outlet of the flame spraying gun at 210-250°C. Prepare 9 ordinary steel plates of the same material, and the steel plates have been subjected to the same sandblasting treatment in advance. Use a flame spray gun to spray a coating mater...

Embodiment 3

[0061] The difference between embodiment 3 and embodiment 2 is that the coating material is prepared from the following raw materials: polyvinyl chloride 100g (thermoplastic), thermally expandable microspheres 6g, 4,4'-oxobisbenzenesulfonylhydrazide 4g, nanometer A1 2 o 3 3g, Nano SiO 2-x 2g. The difference between the construction method of coating material and embodiment 2 is: earlier polyvinyl chloride, nanometer A1 2 o 3 , nano-SiO 2-x Melting and blending at 230°C, the prepared mixture was crushed and ball-milled for 48 hours, then added with heat-expandable microspheres and 4,4'-oxobisbenzenesulfonyl hydrazide, and ball-milled for 12 hours to obtain a mixture. The mixture is heated to make it in a flowing state, and the mixture is quickly coated on the plate made of acrylonitrile-butadiene-styrene copolymer (ABS) by manual coating. Heat the other side of the ABS plate and stop when the heating reaches 100°C. After 5 minutes, measure the temperature of the outer surf...

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Abstract

The invention provides a coating material, a protective coating and a construction method of the protective coating, which relate to the field of anticorrosion and heat insulation. The coating material is prepared from the following raw materials: 100 to 500 parts of base material, 1 to 50 parts of foaming agent and 2 to 200 parts of additive. The base material comprises one or more of thermosetting plastic, thermoplastic plastic and rubber. The additive comprises an inorganic and / or organic additive(s); the organic additive comprises an ethylene-methacrylic acid copolymer and / or an ethylene-acrylic copolymer; the inorganic additive comprises one or more of TiO2, silicon-based oxide and Al2O3. With the additive and the foaming agent, the coating material has an anticorrosion function and a heat insulation function at the same time. The construction method of the protective coating comprises the steps of distributing a mixture, formed by mixing the base material, the foaming agent and the additive, onto a substrate material to be protected, foaming, and forming the protective coating on the substrate material. The protective coating has a certain thickness so as to achieve better anticorrosion and heat insulation effects on the substrate material.

Description

technical field [0001] The invention relates to the field of anticorrosion and heat preservation, and in particular to a coating material, a protective layer and a construction method thereof. Background technique [0002] Corrosion is one of the main failure modes of materials. Therefore, every year, it brings huge economic losses to major industries at home and abroad, especially pipelines, construction and other industries. [0003] In order to improve the anti-corrosion ability of materials, the common treatment method is to apply anti-corrosion coatings such as polyethylene, epoxy powder, and epoxy resin coatings to the surface of the material to be protected. Fluidized bed spraying technology, electrostatic spraying technology and flame spraying technology are all commonly used coating techniques. The adhesion of coating materials is the main factor affecting the anti-corrosion performance of coatings. Therefore, improving the adhesion of coating materials has become...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D123/06C09D123/08C09D163/00C09D127/06C09D181/02C09D175/04C09D183/04C09D5/08C09D7/12C08J9/32C08J9/10
CPCC09D123/06C08J9/103C08J9/105C08J9/32C08J2203/04C08J2203/18C08J2203/184C08J2323/06C08J2323/08C08J2327/06C08J2363/00C08J2381/02C08J2423/06C08J2423/08C08J2483/04C08K3/22C08K3/36C08K2003/2227C08K2003/2241C08K2201/011C08L2203/14C08L2205/025C08L2205/03C08L2205/035C09D5/08C09D7/61C09D7/63C09D123/0869C09D127/06C09D163/00C09D181/02C08L23/0869C08L23/06C08L75/04C08L83/04C08K5/12
Inventor 王利平来泽玲王红灯孙腾飞张旭斌
Owner 河南中和信建筑安装有限公司
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