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A kind of preparation method of nanometer SIO2 anti-sea organism adhesion net cage coating

A technology of marine organisms and coatings, applied in the field of coatings, can solve the problems of poisonous and harmful coatings in cages, environmental hazards, etc., and achieve good anti-adhesion effects of marine organisms

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

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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 nano-SiO2 anti-fouling net cage coating of marine organisms

Method used

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  • A kind of preparation method of nanometer SIO2 anti-sea organism adhesion net cage coating

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Embodiment 1

[0036] A kind of nanometer SiO2 The preparation method of anti-sea organisms adhesion net cage coating, described method comprises the following steps:

[0037] S.1 Preparation of matrix resin: hydrolysis and polycondensation of γ-methacryloxypropyltrimethoxysilane and fluoroheptylpropyltrimethoxysilane with a mass ratio of 1.5:1 to obtain γ-methacrylic Base resin for acyloxy and dodecafluoroheptylpropyl.

[0038] S.2 Synthesis of paint base material: solution polymerize the matrix resin prepared in step S.1 with methyl methacrylate to obtain a paint base material containing dodecafluoroheptylpropyl, wherein: the solution polymerization method is as follows :

[0039] (1) Prepolymerization: under nitrogen protection, according to the mass fraction, 30 parts of methyl methacrylate are dissolved in 100 parts of toluene, and then 0.3 parts of azobisisobutyronitrile is dissolved in 10 parts of toluene solution, and then Raise the temperature to 70°C, stir and react for 1.5 hours...

Embodiment 2

[0045] A kind of nanometer SiO2 The preparation method of anti-sea organisms adhesion net cage coating, described method comprises the following steps:

[0046] S.1 Preparation of matrix resin: γ-methacryloxypropyltris(β-methoxyethoxy)silane and dodecafluoroheptylpropyltrimethoxy with a mass ratio of 1.5-3.5:1 The silane is hydrolyzed and polycondensed to obtain a matrix resin containing γ-methacryloyloxy and dodecafluoroheptylpropyl.

[0047] S.2 Synthesis of paint base material: solution polymerize the matrix resin prepared in step S.1 with methyl methacrylate to obtain a paint base material containing dodecafluoroheptylpropyl, wherein: the solution polymerization method is as follows :

[0048] (1) Prepolymerization: under the protection of nitrogen, according to the mass fraction, 40 parts of methyl methacrylate are dissolved in 100 parts of toluene, and then 0.3 parts of azobisisobutyronitrile is dissolved in 10 parts of toluene solution, and then Raise the temperature ...

Embodiment 3

[0054] A kind of nanometer SiO2 The preparation method of anti-sea organisms adhesion net cage coating, described method comprises the following steps:

[0055] S.1 Preparation of matrix resin: γ-methacryloxypropylmethyldiethoxysilane with a mass ratio of 2:1 and dodecafluoroheptylpropyltrimethoxysilane were hydrolyzed and polycondensed to obtain Base resin for γ-methacryloxy and dodecafluoroheptylpropyl.

[0056] S.2 Synthesis of paint base material: solution polymerize the matrix resin prepared in step S.1 with methyl methacrylate to obtain a paint base material containing dodecafluoroheptylpropyl, wherein: the solution polymerization method is as follows :

[0057] (1) Prepolymerization: under the protection of nitrogen, according to the mass fraction, 35 parts of methyl methacrylate are dissolved in 100 parts of toluene, and then 0.3 parts of azobisisobutyronitrile is dissolved in 10 parts of toluene solution, and then Raise the temperature to 72°C, stir and react for 1 ...

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Abstract

The invention relates to the field of paint, and especially relates to a preparation method for nano-SiO2 anti-marine organism attachment net cage paint. The preparation method includes the followingsteps: S.1, a step of the preparation of matrix resin; S.2, a step of the synthesis of paint base materials; and S.3, a step of paint preparation; and therefore, nano-SiO2 anti-marine organism attachment net cage paint can be obtained. The beneficial effects of the preparation method are that (1) the obtained paint has good anti-marine organism attachment effects; (2) the obtained paint is nontoxic and safe, so that harm to environments cannot be caused; and (3) the obtained paint has good weatherability, so that the service life of ocean net cages can be effectively prolonged.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a preparation method of a nano-SiO2 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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D151/08C09D5/16C09D7/61C08F283/12C08F220/14C08G77/24
CPCC08F283/124C08G77/24C08K2201/011C09D5/1675C09D5/1687C09D151/085C08F220/14C08K3/36
Inventor 张海龙
Owner ZHEJIANG OCEAN UNIV
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