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Temperature-resistant and corrosion-resistant coating and preparation method thereof

An anti-corrosion coating and temperature-resistant technology, applied in the field of coatings, can solve problems such as poor temperature resistance, and achieve the effects of low VOC content, excellent temperature resistance and anti-corrosion performance, and high solid content

Active Publication Date: 2021-08-20
XIAMEN SUNRUI SHIP COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the shortcomings of high VOC (volatile organic compound) content and poor temperature resistance of the existing novolac epoxy coating mentioned in the above-mentioned background technology, the invention provides a kind of temperature-resistant and anti-corrosion novolak epoxy coating, which has high solid content, VOC The characteristics of low content, excellent temperature resistance and anticorrosion performance

Method used

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  • Temperature-resistant and corrosion-resistant coating and preparation method thereof
  • Temperature-resistant and corrosion-resistant coating and preparation method thereof
  • Temperature-resistant and corrosion-resistant coating and preparation method thereof

Examples

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preparation example Construction

[0046] The present invention also provides a method of preparing the above temperature-resistant anti-corrosion coating, wherein the preparation method of the methyl component comprises the steps of: S100, a small molecule epoxy resin, aphenol epoxy resin, an active diluent, a dispersant, an antifoaming agent And the silane coupling agent is mixed and dispersed uniform; S200, adding filler, pigment, mica powder, and high speed dispersed at high speed to fineness ≤80 μm; S300, while stirring while stirring while stirring while stirring with glass scales And dispersed to uniform; S400, the thixotropic agent was added to the mixture obtained in S300, and dispersed to be uniform, i.e., a component.

[0047] Preferably, in S100, the mixture is dispersed at 300 to 800 rpm of 5 to 15 min.

[0048] Preferably, in S200, the mixture is dispersed at a high speed of 30 to 60 min at 1000 to 1500 rpm until fine is ≤ 80 μm.

[0049] Preferably, in S300, a glass scaned is slowly added to the mixt...

Embodiment 1

[0055] Example 1 Phenolic resin is Miki Group Grade F-51 novolac epoxy resin, novolac epoxy resins Example 2 The Dow Chemical Company as grades embodiment DEN438 novolac epoxy resin, novolac epoxy resin in Example 3 was implemented South sub-brand NPPN-638S phenolic epoxy resin.

[0056] In Example 1 Active diluent was a propylene oxide phenyl ether, and the active diluent in Example 2 was new pentyl glycol dihydrate glycene ether, and the active diluent as an active diluent as an interprephenol dihydrate glycerol ether. Example 1 The filler was a talc, and the fillers in Example 2 were barium precipitated sulfate, and the fillers in Example 3 were crystalline stone powder. Embodiment 1 is made of mica powder, Example 2 and Example 3 using a juniori powder. Examples 1-3 and Comparative Example 2-4 The glass scales having a thickness of 2 μm and a slider size of 150 μm were thick.

[0057] Example 1 The dispersing agent is BYK 110, and in Example 2, the dispersant is BYK 112, and t...

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Abstract

The invention relates to the technical field of coatings, in particular to a temperature-resistant and corrosion-resistant coating and a preparation method thereof. The temperature-resistant and corrosion-resistant coating comprises a component A and a component B, wherein the component A comprises novolac epoxy resin, and the component B comprises a curing agent; and the component A also comprises micromolecular epoxy resin, a reactive diluent, a filler, mica powder and glass flakes. The temperature-resistant and corrosion-resistant phenolic epoxy coating provided by the invention has the characteristics of high solid content, low VOC content and excellent temperature resistance and corrosion resistance.

Description

Technical field [0001] The present invention relates to the field of coating materials, and more particularly to a temperature-resistant anti-corrosion coating and a preparation method thereof. Background technique [0002] Applications in the petroleum industry (for oil storage equipment and housing for oil storage equipment) are increasingly wide, in most storage tanks or pipes, metal tubes such as carbon steel, stainless steel, etc. Generally in these tanks, the pipes are coated with coatings. However, in the field of petrochemical, the temperature contained in the warm facility has a large devastating in the equipment or pipeline and its coating, including higher temperatures, so that the resin is soften, causing the coating, damaged in the coating. At the same time, the temperature in the warm facility can accelerate molecular motion, so that the corrosion medium is easier to penetrate, resulting in damage to the substrate corrosion, and therefore, for the coating applied to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D163/04C09D5/08C09D7/61
CPCC09D163/00C09D163/04C09D5/08C09D7/61C09D5/18C08K2201/005C08L63/04C08K3/34C08K3/40C08L63/00
Inventor 李至秦魏金伯杨名亮康瑞瑞
Owner XIAMEN SUNRUI SHIP COATING
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