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A kind of preparation method of anti-marine organism adhesion cage coating

A technology for marine organisms and coatings, applied in the field of coatings, can solve problems such as toxicity and harm of cage coatings, environmental hazards, etc., and achieve the effects of ensuring effectiveness, reducing surface tension, and improving mechanical properties

Active Publication Date: 2020-06-16
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem in the prior art that the net cage paint is toxic and harmful, causing harm to the environment, and causing toxic and harmful substances to accumulate in the human body, and provides a non-toxic and harmless to the environment, and can effectively prevent marine pollution. Preparation method of a kind of anti-fouling net cage coating of marine organisms

Method used

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  • A kind of preparation method of anti-marine organism adhesion cage coating

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Effect test

Embodiment 1

[0041] A preparation method of an anti-adhesion net cage coating for marine organisms, said preparation method comprising the following steps:

[0042] S.1 Preparation of modified nano-silica: condense the mixed solution of nano-silica and silane coupling agent in the solution to obtain modified nano-silica. The preparation process is as follows:

[0043] (a1) Surface activation: according to parts by weight, put 100 parts of fumed nano-silica and 2 parts of glacial acetic acid in the reaction kettle, then pass water vapor into it, raise the temperature to 115 ° C, and keep the reaction kettle The air pressure is 8.0MPa, after activating for 120 minutes, it is lowered to room temperature, and after vacuum drying and grinding, the surface-activated nano-silica is obtained;

[0044] (a2) Modification: In parts by weight, take 20 parts of surface-activated nano-silica and disperse it into 100 parts of ethanol, and add γ-methacryloyloxypropyl trimethyl to it while stirring Oxysilan...

Embodiment 2

[0053] A preparation method of an anti-adhesion net cage coating for marine organisms, said preparation method comprising the following steps:

[0054] S.1 Preparation of modified nano-silica: condense the mixed solution of nano-silica and silane coupling agent in the solution to obtain modified nano-silica, wherein the preparation process is as follows:

[0055] (a1) Surface activation: according to parts by weight, put 100 parts of fumed nano-silica and 5 parts of glacial acetic acid in the reaction kettle, then pass water vapor into it, raise the temperature to 110 ° C, and keep the reaction kettle The air pressure is 10.5MPa, after activation for 120 minutes, it is lowered to room temperature, and after vacuum drying and grinding, the surface-activated nano-silica is obtained;

[0056] (a2) Modification: In parts by weight, take 35 parts of surface-activated nano-silica and disperse it into 100 parts of ethanol, and add γ-methacryloyloxypropyl trimethyl to it while stirrin...

Embodiment 3

[0065] A preparation method of an anti-adhesion net cage coating for marine organisms, said preparation method comprising the following steps:

[0066] S.1 Preparation of modified nano-silica: condense the mixed solution of nano-silica and silane coupling agent in the solution to obtain modified nano-silica, wherein the preparation process is as follows:

[0067] (a1) Surface activation: according to parts by weight, put 100 parts of fumed nano-silica and 3 parts of glacial acetic acid in the reaction kettle, then pass water vapor into it, raise the temperature to 115 ° C, and keep the reaction kettle The air pressure is 9MPa, after activation for 60 minutes, it is lowered to room temperature, and after vacuum drying and grinding, the surface-activated nano-silica is obtained;

[0068] (a2) Modification: In parts by weight, take 30 parts of surface-activated nano-silica and disperse it into 100 parts of ethanol, and add γ-methacryloyloxypropyl trimethyl to it while stirring O...

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Abstract

The invention relates to the field of paints, in particular to a method for preparing a marine organism attachment resistant net cage paint. The method comprises the following steps: S1, preparation of modified nano-silica; S2, preparation of precursor resin; S3, preparation of a paint substrate; S4, preparation of a paint to obtain the marine organism attachment resistant net cage paint. The method provided by the invention has the following beneficial effects: (1) the coating obtained by the invention has a good marine organism attachment resistant effect; (2) the paint obtained by the invention is non-toxic and harmless, and does not cause harm to the environment; (3) the paint obtained by the invention has good weather resistance and can effectively prolong the service time of a marinenet cage.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a preparation method of an anti-adhesion coating for net cages of marine organisms. Background technique [0002] Marine fish farming is inseparable from cages. At present, my country's agriculture-related departments are increasing policy preference and financial support for the deep-sea cage farming industry to support local farming companies to grow bigger and stronger. However, the network cable (PE material) of the cage will inevitably be attached and reproduced by seaweed or barnacles and other shellfish-based marine organisms, which will bring extra load to the cage and even blockage and damage to the mesh of the cage. The cleaning and repairing of the net cages will cause economic losses throughout the year! Therefore, how to avoid the attachment of marine organisms to the net cage wires, ensure the safety of the sea fish cage culture industry, and promote the continuous growth o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D191/00C09D5/16C09D7/62C09D7/63C09D7/65C08G77/24C08F283/12
CPCC08F283/124C08G77/24C08K2201/003C08K2201/014C08L2205/035C09D5/1675C09D5/1687C09D191/00C08F220/14C08L51/08C08L83/04C08L83/12C08K13/06C08K9/06C08K9/04C08K9/02C08K9/00C08K3/36C08K5/098
Inventor 张海龙
Owner ZHEJIANG OCEAN UNIV
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