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Preparation method of high-salt-tolerance antifouling drag-reduction coating

A salt-resistant and anti-fouling technology, applied in anti-fouling/underwater coatings, coatings, anti-corrosion coatings, etc., can solve the problem of increased resistance of coatings, poor salt resistance of anti-fouling and drag-reducing coatings, and sterilization performance To achieve the effect of strengthening salt tolerance, inhibiting penetration, and improving salt tolerance

Inactive Publication Date: 2019-05-17
高俊
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a high-salt-resistant Preparation method of fouling and drag-reducing coating

Method used

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preparation example Construction

[0033] The preparation method of the oscillating mixed solution is: put the above reaction fermentation product and the phosphoric acid solution with a mass fraction of 6% into the reactor, raise the temperature in the reactor to 80°C, and mix and stir for 55 minutes at a speed of 300r / min with a stirring device To obtain the acidic mixed solution, add 7% flake graphite of the acidic mixed solution quality in the reactor, then add dropwise in the reactor a hydrochloric acid with a mass fraction of 12% to adjust the pH value to 1; adjust the temperature in the above reactor to 10 °C, mix and stir with a stirring device at a speed of 400r / min for 80min to prepare a mixed slurry, add potassium permanganate powder with a mass of 6% of the mixed slurry to the reaction kettle, filter and remove the filtrate after stirring to obtain the oxidation reaction product, and then use the mass fraction Wash 3 times with 20% hydrogen peroxide and distilled water; put 8 parts of the above-menti...

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Abstract

The invention belongs to the technical field of marine energy saving, and relates to antifouling drag-reduction coating for marine engineering, in particular to a preparation method of a high-salt-tolerance antifouling drag-reduction coating. The preparation method comprises the steps that leaves of zoysia plants, crop leaves and wheat bran serve as raw materials to prepare a mixed base stock, then trichoderma reesei is added for fermentation to prepare an oxidation reaction product, the oxidation reaction product is mixed with additives such as citric acid and maleic anhydride for vibration,finally, modified mixed emulsion is mixed with additives such as a citric acid additive, water and ethyl alcohol for stirring, and thus the high-salt-tolerance antifouling drag-reduction coating is obtained. Penetration of salt can be inhibited through fiber components of the leaves of the zoysia plants, the salt tolerance performance of the coating is enhanced, the fiber components are corroded and modified through hydrochloric acid and phosphoric acid, then aluminum ions and nickel ions are introduced, thus the metal ions are subjected to complexation onto fibers, penetration of positive ions in the salt in the seawater is shielded, meanwhile, graphene oxide is introduced into the plant fibers to play a role in sterilization and disinfection, and broad application prospects are achieved.

Description

technical field [0001] The invention belongs to the technical field of marine energy saving, and relates to an anti-fouling and drag-reducing coating for marine engineering, in particular to a preparation method of a highly salt-resistant anti-fouling and drag-reducing coating. Background technique [0002] Underwater facilities such as ships and submarines are submerged in seawater for a long time. Not only are they corroded by seawater, but the surface of the hull is also prone to adhere to marine organisms such as shells and seaweed, and is polluted by marine attachments. Marine biofouling will lead to an increase in the surface roughness of the hull, resulting in increased sailing resistance, reduced speed, and increased fuel consumption; the adhesion and fouling of marine organisms will also increase the difficulty of cleaning the hull surface, shorten the maintenance cycle of the ship, and The cost increases; in addition, when marine organisms are attached to marine eq...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D5/16C09D5/14C09D5/08
Inventor 高俊蒋梦成张淑娴
Owner 高俊
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