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Anti-corrosion plaster for ocean steel facilities

A technology of anti-corrosion paste and steel, applied in the field of anti-corrosion paste, can solve the problems of poor adhesion, difficult painting, fit of anti-corrosion tapes, etc., and achieve the effect of good anti-corrosion performance

Active Publication Date: 2007-11-28
株式会社那卡波技工 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this paste mixture is difficult to paint and has poor adhesion when working in water, so it is not used when working in water, but directly wrapped with a mineral grease series anti-corrosion tape
However, this kind of anti-corrosion tape has poor adhesion to steel in water. In addition, for the steel facilities that have been built due to corrosion, the surface is uneven, and the anti-corrosion tape cannot fully match the surface of the steel, resulting in gaps between the steel and the anti-corrosion tape. , so as to affect the protective effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] The composition of the anticorrosion paste is calculated by weight percentage: 10% of mineral grease, 10% of antirust agent, 40% of liquid paraffin and 40% of calcium carbonate.

[0010] Among them: the main component of mineral grease in the anti-corrosion paste is petroleum wax, and its flow viscosity at 100°C is 10mm 2 / s, melting point is 45°C; rust inhibitor: 5% tannic acid and 5% metal sulfinate.

[0011] Since the mineral grease series anti-corrosion paste has the lubricant and filler of the above composition, it is easy to paint in water, the sealing performance of the steel surface is good, and it has a long-term good anti-corrosion effect.

Embodiment 2

[0013] The components in the anti-corrosion cream are calculated by weight percentage: 45% of mineral grease, 5% of antirust agent, 30% of liquid paraffin and 20% of mineral mica.

[0014] Among them: the main component of mineral grease in the anti-corrosion paste is petroleum wax, and its flow viscosity at 100°C is 15mm 2 / s, the melting point is 50°C; the rust inhibitor is 2.5% tannic acid and 2.5% metal sulfinate.

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Abstract

The invention relates to the anticorrosion material which is the anticorrosion cream for the steel device used in the sea, river and lake. The component is mineral lipid 10-45%, antirust 5-10%, lubricant 30-40% and bulking agent 20-40%. The anticorrosion cream covered on the steel surface has good compactability. It adds the tannic acid and metal sub-sulphonate into the anticorrosion cream to improve the anticorrosion used in the sea, river and lake.

Description

technical field [0001] The invention relates to the anticorrosion paste, in particular to the anticorrosion paste for marine iron and steel facilities constructed in oceans, rivers and lake water bodies. technical background [0002] Because mineral grease has plasticity and good anti-corrosion effect, it is widely used as an anti-corrosion material for anti-rust oil and coating tape to protect steel pipes, platforms, pillars, and above-ground or underground structures. Since steel structures such as foundation piles, trestle bridges, revetments and other steel structures of oil production platforms built in oceans, rivers and lakes are particularly severely corroded in the spray splash area, this mineral grease series anti-corrosion material is widely used as a coating method. However, it is difficult to achieve a sufficient anti-corrosion state for steel facilities in water bodies such as oceans. Therefore, people expect mineral grease anti-corrosion materials that can ma...

Claims

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Application Information

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IPC IPC(8): C23F11/08
Inventor 大野泰彦侯保荣
Owner 株式会社那卡波技工
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