A high-viscosity anti-corrosion strip suitable for marine atmospheric environment and its preparation method and application

A marine atmosphere and anti-corrosion technology, which is applied in textiles, papermaking, fiber processing, etc., can solve the problems of non-shaped steel structure protection, etc., and achieve the effect of hindering electron transfer, enhancing corrosion resistance, and reducing corrosion rate

Active Publication Date: 2021-09-07
青岛迪恩特新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the conventional protection methods are generally coating, large butter and other protection methods, but long-term practice shows that due to the high corrosion of the marine atmosphere, conventional methods cannot provide good protection for special-shaped steel structures

Method used

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  • A high-viscosity anti-corrosion strip suitable for marine atmospheric environment and its preparation method and application
  • A high-viscosity anti-corrosion strip suitable for marine atmospheric environment and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] High-viscosity anti-corrosion tape and substrate bonding test:

[0024] (1) Paste material A for preparing anti-corrosion tape: 28% of industrial linseed oil, 3% of corrosion inhibitor, 8% of nano-alumina, 61% of flame-retardant inorganic filler;

[0025] Paste material B for preparing high-viscosity anti-corrosion tape: 28% of high-viscosity modified polymerized linseed oil, 3% of corrosion inhibitor, 8% of nano-alumina, and 61% of flame-retardant inorganic filler.

[0026] The corrosion inhibitor is a mixture of tannic acid, calcium stearate, sodium silicate and ethanolamine, and its mass fraction ratio range is 1:5:0.1:0.01; the flame-retardant inorganic filler is aluminum hydroxide, magnesium hydroxide The mixture with organic bentonite has a mass fraction ratio of 3:2:1; the insulating agent is nano-alumina with a particle diameter of 15 nanometers.

[0027] The high-viscosity modified polymerized linseed oil is prepared by pre-oxidation and pre-polymerization of ...

Embodiment 2

[0034] High viscosity corrosion resistance test:

[0035] (1) Preparation of paste material C: 30% of high-viscosity modified polymerized linseed oil, 70% of flame-retardant inorganic filler;

[0036] Prepare paste material D: 30% of high-viscosity modified polymerized linseed oil, 3% of corrosion inhibitor, 8% of nano-alumina, and 59% of flame-retardant inorganic filler.

[0037] The corrosion inhibitor is a mixture of tannic acid, calcium stearate, sodium silicate and ethanolamine, and its mass fraction ratio range is 1:5:0.1:0.01; the flame-retardant inorganic filler is aluminum hydroxide, magnesium hydroxide The mixture with organic bentonite has a mass fraction ratio of 3:2:1; the insulating agent is nano-alumina with a particle diameter of 15 nanometers.

[0038] The high-viscosity modified polymerized linseed oil is prepared by pre-oxidation and pre-polymerization of industrial linseed oil. Heat the industrial linseed oil to 120°C in the air atmosphere, stir for 8-10 ...

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Abstract

The invention belongs to the field of metal anti-corrosion, and in particular relates to a high-viscosity anti-corrosion tape suitable for marine and atmospheric environments, a preparation method and application thereof. The anti-corrosion tape is a non-woven fabric impregnated with anti-corrosion paste at high temperature; the anti-corrosion paste is 28-30% of high-viscosity modified polymerized linseed oil by weight percentage, 2-3% of corrosion inhibitor, and 5-8% of insulating agent. %, flame retardant inorganic filler 59‑65%. The anti-corrosion tape obtained by the invention has excellent bonding performance, wetting performance and anti-corrosion performance, and is applied to high-humidity, high-salt marine atmospheric environment.

Description

technical field [0001] The invention belongs to the field of metal anti-corrosion, and in particular relates to a high-viscosity anti-corrosion tape suitable for marine and atmospheric environments, a preparation method and application thereof. Background technique [0002] According to the ISO classification, the marine environment is the most corrosive natural environment. Different from the terrestrial atmospheric environment, the marine atmosphere has the corrosion characteristics of high salt content and high humidity, and the corrosion of steel structures, especially special-shaped steel structures, is significantly accelerated. The corrosion and protection of special-shaped steel structures in the marine atmospheric environment has always been a shortcoming of marine steel structure protection. At present, the conventional protection methods are generally coatings, large butter and other protection methods, but long-term practice shows that due to the high corrosiven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M13/224D06M13/188D06M11/79D06M13/368D06M11/45D06M11/44
CPCD06M11/44D06M11/45D06M11/79D06M13/188D06M13/224D06M13/368
Inventor 侯保荣翟晓凡
Owner 青岛迪恩特新材料科技有限公司
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