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Anti-fouling ship paint with low biological surface energy

A low surface energy, antifouling paint technology, applied in antifouling/underwater paints, coatings, paints containing biocides, etc., can solve the ecological environment of harmful substances and human health hazards, etc., to solve the problem of lasting activity , the effect of reducing the content

Inactive Publication Date: 2006-08-02
JIANGSU GEMEIGAO DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this can reduce or eliminate the pollution of marine organisms, the release of harmful substances has also caused serious harm to the ecological environment and human health.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) React trimethylsilane-terminated poly(methylhydrogensiloxane) with nonafluorohexene to prepare a low surface energy resin, and then add modified nano-titanium dioxide to it to prepare a nanocomposite fluoro-silicone resin , surface energy 1.68×10 -4 N / m, it is difficult for marine organisms to attach.

[0022] (2) In the reactor, first add solvent (ethanol or xylene, toluene or other solvents) and nanocomposite fluorine-silicon resin according to the formula dosage, after fully stirring, under stirring conditions, add the biological extract successively according to the formula dosage ( capsaicin, chitin) microcapsules, microporous silicon dioxide, and stir for 30 minutes to prepare biological low surface energy ship antifouling coatings.

[0023] The consumption (weight) of above-mentioned each component is:

[0024] Low surface energy resin 19%

[0025] Biological extract (capsaicin, chitin) microcapsules 0.1%

[0026] Nano Titanium Dioxide 2%

[0027] Microp...

Embodiment 2

[0031] The consumption (weight) of each component is:

[0032] Low Surface Energy Resin 22%

[0033] Biological extract (capsaicin, chitin) microcapsules 0.15%

[0034] Nano Titanium Dioxide 1%

[0035] Microporous silica 20%

[0036] The balance is solvent. All the other are with embodiment 1.

Embodiment 3

[0038] The consumption (weight) of each component is:

[0039] Low Surface Energy Resin 26%

[0040] Biological extracts (capsaicin, chitin) microcapsules 0.2%

[0041] Nano Titanium Dioxide 1.5%

[0042] Microporous silica 15%

[0043] The balance is solvent. All the other are with embodiment 1.

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Abstract

The anti-fouling ship paint with low biological surface energy consists of low surface energy resin, biological extract micro capsule, nanometer titania, microporous silica and solvent. The present invention has biological extracts chitin, capsaicin as anti-fouling agent through micro capsule slow releasing treatment and nanometer modified low surface energy paint and multiple anti-fouling performances. The present invention has the advantages of self-cleaning performance, corrosion resistance, heat resistance, weather resistance, etc and is used for ship as well as bridge, marine engineering member, etc.

Description

Technical field: [0001] The present invention relates to antifouling coatings, especially marine antifouling coatings. Background technique [0002] There are about 2,000 kinds of periphytons in seas all over the world. The larvae and spores of these periphytons float and swim in the ocean. When they develop to a certain extent, they attach, settle and further reproduce on the bottom of ships. These biological attachments will increase the surface roughness of the bottom of the ship, reduce the speed of the ship, increase fuel consumption (up to 30%), and increase the resistance of seawater pipeline transportation. At the same time, these organisms will also secrete organic acids, making the bottom steel plate And the corrosion damage of underwater facilities is aggravated, and the service life is significantly shortened. In order to solve this problem, various marine antifouling coatings have emerged as the times require. Compounds such as copper, arsenic, cadmium, lead, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/00C09D5/16
Inventor 王玉丰陆建辉
Owner JIANGSU GEMEIGAO DEV CO LTD
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