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Environment-friendly marine anticorrosive paint

A marine anti-corrosion and environmentally friendly technology, applied in anti-corrosion coatings, anti-fouling/underwater coatings, coatings, etc., can solve the problem of single function, poor environmental protection effect, and not very significant in anti-corrosion, anti-rust or anti-fouling functions, etc. problems, to achieve the effect of large brushing area, prevention of adhesion, and remarkable environmental protection effect

Inactive Publication Date: 2016-11-23
QINGDAO ZHONGTIAN ZHICHENG SERVICE PLATFORM OF SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the functions of the current coatings used in marine facilities are relatively single, and the functions of anti-corrosion, anti-rust or anti-fouling are not very significant, and the environmental protection effect is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An environment-friendly marine anti-corrosion coating is characterized in that the components of the raw materials are composed as follows in parts by weight:

[0018] 25 parts of polyamide resin, 8 parts of fluorinated acrylate, 3 parts of biological antifouling agent, 2 parts of organotin complex, 2 parts of adhesive, 2 parts of organic bentonite, 5 parts of filler, 0.5 part of polyethylene wax, propylene glycol 5 parts, 0.3 parts of sodium hexametaphosphate, and 0.5 parts of citric acid monohydrate.

[0019] Further, the filler is a mixture of shell powder and conch shell powder in a weight ratio of 2:5.

[0020] Further, the binder is a mixture of sodium alginate, guar gum and carrageenan in a weight ratio of 2:3:3.

[0021] Further, the biological antifouling agent is a mixture of myrica rubra extract, capsaicin and P-cinnamic acid sulfate from Echinopsis extract according to the weight ratio of 2:2:3.

[0022] Further, the organotin complex is a mixture of trihy...

Embodiment 2

[0024] An environment-friendly marine anti-corrosion coating is characterized in that the components of the raw materials are composed as follows in parts by weight:

[0025] 26 parts of polyamide resin, 10 parts of fluorinated acrylate, 4 parts of biological antifouling agent, 2.5 parts of organotin complex, 3 parts of adhesive, 3 parts of organic bentonite, 5.5 parts of filler, 0.6 part of polyethylene wax, propylene glycol 6 parts, 0.4 parts of sodium hexametaphosphate, and 0.6 parts of citric acid monohydrate.

[0026] Further, the filler is a mixture of shell powder and conch shell powder in a weight ratio of 2:5.

[0027] Further, the binder is a mixture of sodium alginate, guar gum and carrageenan in a weight ratio of 2:3:3.

[0028] Further, the biological antifouling agent is a mixture of myrica rubra extract, capsaicin and P-cinnamic acid sulfate from Echinopsis extract according to the weight ratio of 2:2:3.

[0029] Further, the organotin complex is a mixture of ...

Embodiment 3

[0031] An environment-friendly marine anti-corrosion coating is characterized in that the components of the raw materials are composed as follows in parts by weight:

[0032] 28 parts of polyamide resin, 12 parts of fluorinated acrylate, 5 parts of biological antifouling agent, 3 parts of organotin complex, 4 parts of adhesive, 4 parts of organic bentonite, 6 parts of filler, 0.8 part of polyethylene wax, propylene glycol 7 parts, 0.5 parts of sodium hexametaphosphate, and 0.7 parts of citric acid monohydrate.

[0033] Further, the filler is a mixture of shell powder and conch shell powder in a weight ratio of 2:5.

[0034] Further, the binder is a mixture of sodium alginate, guar gum and carrageenan in a weight ratio of 2:3:3.

[0035] Further, the biological antifouling agent is a mixture of myrica rubra extract, capsaicin and P-cinnamic acid sulfate from Echinopsis extract according to the weight ratio of 2:2:3.

[0036] Further, the organotin complex is a mixture of trih...

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Abstract

The invention discloses environment-friendly marine anticorrosive paint. The paint is characterized by being prepared from components of raw materials in parts by weight as follows: 25-28 parts of polyamide resin, 8-12 parts of fluorinated acrylic ester, 3-5 parts of a biological antifouling agent, 2-3 parts of an organic tin complex, 2-4 parts of an adhesive, 2-4 parts of organobentonite, 5-6 parts of filler, 0.5-0.8 parts of polyethylene wax, 5-7 parts of propylene glycol, 0.3-0.5 parts of sodium hexametaphosphate and 0.5-0.7 parts of citric acid monohydrate. The environment-friendly marine anticorrosive paint has a good covering property and is light in texture, large in brushing area and high in adhesion power; due to addition of filler, the cost is greatly reduced, the environmental protection effect is remarkable, the paint has an anticorrosive function and has excellent affinity and a better adhesion effect through matched use with the adhesive; the biological antifouling agent has very low surface free energy, high hydrophobicity and high fouling release performance; due to addition of the organic tin complex, the dry adhesion force of the paint is improved, and a good flash-rust inhibition effect is realized.

Description

technical field [0001] The invention belongs to the technical field of marine coatings, and in particular relates to an environment-friendly marine anticorrosion coating. Background technique [0002] Marine seawater corrosion is mainly chloride ion corrosion. Marine chloride ions can destroy the protective layer of metal oxide film, forming pitting corrosion or pitting corrosion, and intergranular corrosion of metals. Seawater also contains dissolved oxygen, marine life and decaying organic matter. These substances have caused great harm to metal components such as various marine transportation tools, oil production platforms, and marine equipment. With the development of coastal transportation, industrial production, and national defense construction in various countries, the threat of seawater and marine atmospheric corrosion has also become more and more serious. more prominent. The coating can resist chloride ion corrosion for a long time, effectively protecting metal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D5/08C09D5/16C09D7/12
Inventor 王云志
Owner QINGDAO ZHONGTIAN ZHICHENG SERVICE PLATFORM OF SCI & TECH CO LTD
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