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800DEG C resistant organosilicon anticorrosion coating for outer wall of pipeline, and preparation method thereof

A technology for pipeline outer walls and anti-corrosion coatings, applied in anti-corrosion coatings, coatings, etc., can solve problems such as poor feedback from users, and achieve the effects of avoiding corrosion and cracking of piping systems, good heat resistance, and broad market prospects

Active Publication Date: 2014-03-05
725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

During the "Ninth Five-Year Plan" period, the 89-1 organosilicon high-temperature resistant coating developed by Shanghai Paint Institute has been applied to the surface of the smoke exhaust pipe of my country's ship steel base material, and the user has reported that the effect is not good

Method used

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  • 800DEG C resistant organosilicon anticorrosion coating for outer wall of pipeline, and preparation method thereof
  • 800DEG C resistant organosilicon anticorrosion coating for outer wall of pipeline, and preparation method thereof
  • 800DEG C resistant organosilicon anticorrosion coating for outer wall of pipeline, and preparation method thereof

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Embodiment Construction

[0025] The present invention can be explained in detail through the following examples, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0026] The 800°C high-temperature resistant organosilicon anticorrosion coating for the outer wall of the ship pipeline of the present invention is a normal temperature finger-dry single-component heat-resistant coating, and the coating can be sprayed, brushed, rolled and other processes, and the dry film thickness of each coating is 50μm, 2 coats are recommended. Examples are shown in Table 4.

[0027] Table 4: Examples

[0028] Example 1 Example 2 Example 3 Raw material name Proportion(%) Proportion(%) Proportion(%) Silicone resin 35 30 33 Glass frit (400±30℃) 10 15 20 Mica iron oxide red 12 15 10 Other fillers 27 20 24 Auxiliary 4 2 3 solvent 12 18 10 total 100 100 100...

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Abstract

A 800DEG C resistant organosilicon anticorrosion coating for the outer wall of a pipeline is obtained by adding a glass frit having a low melting point of 370-430DEG C to an organosilicon resin base material which is a hydroxy-containing methyl phenyl silicone resin SM1056, and concretely comprises, by mass, 30-35% of the organosilicon resin base material, 10-20% of the glass frit having a low melting point of 370-430DEG C, 10-15% of micaceous iron oxide red, 2-4% of an assistant, 10-18% of a solvent and 20-27% of a filler. The 800DEG C resistant organosilicon anticorrosion coating for the outer wall of a ship pipeline can be a normal temperature dry-to-touch single-component coating, and has the advantages of good heat resistance, convenient construction, and large area construction. The coating can be used on the external surface of a ship thermal pipeline to realize the high temperature anticorrosion effect, so the corrosion rupture of the ship pipeline, caused by the bad corrosive environment, is avoided.

Description

technical field [0001] The invention belongs to the field of anti-corrosion materials, and in particular relates to an organosilicon anti-corrosion coating for the outer wall of a pipeline that can withstand high temperatures of 800°C. Background technique [0002] Abroad, Tenmar Corporation of the United States has developed a new type of epoxy coating called heat-resistant and corrosion-resistant. It enables thermal insulation and reduces the necessary thickness of traditional thermally insulating pipe coatings, and its smooth surface increases liquid flow properties. The coating can be applied to the inner and outer walls of pipelines, and is suitable for piping systems that contact high-temperature and high-pressure gas and produced liquids, especially for various oil pipelines, oil production pipes and casings that require thermal insulation and anticorrosion. Not only is it conducive to simple and rapid laying of pipelines, without increasing the outer diameter size, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/06C09D7/12C09D5/08
Inventor 庄海燕陈翔
Owner 725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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