Fluorine and silicone copolymerization modification amphiphilic acrylate polymer anti-corrosive paint and preparation method thereof

An anti-corrosion coating and copolymerization modification technology, applied in anti-corrosion coatings and other directions, can solve the problems of national economic loss of metal materials, environmental pollution and energy consumption, metal structure damage, etc., to achieve uniform corrosion protection performance, avoid local corrosion, and prevent corrosion. effect of reaction

Inactive Publication Date: 2019-01-04
南通中国科学院海洋研究所海洋科学与技术研究发展中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The corrosion of metal materials in the process of use has caused more and more serious losses to the national economy, and at the same time brought severe environmental pollution and energy consumption
In addition, corrosion can cause damage to metal structures, resulting in catastrophic accidents

Method used

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  • Fluorine and silicone copolymerization modification amphiphilic acrylate polymer anti-corrosive paint and preparation method thereof
  • Fluorine and silicone copolymerization modification amphiphilic acrylate polymer anti-corrosive paint and preparation method thereof
  • Fluorine and silicone copolymerization modification amphiphilic acrylate polymer anti-corrosive paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Anti-corrosion paint preparation method, the paint is carried out according to the following steps in 100 parts by mass:

[0028] 1. Preparation of amphiphilic acrylate polymer modified by fluorosilicone copolymerization: methyl methacrylate, n-butyl acrylate, β-hydroxypropyl acrylate, hexafluorobutyl methacrylate, vinyl triethoxy Add 24.8, 12.5, 5.0, 5.0, 2.5 parts by mass of base silane into the reactor and mix evenly to obtain the mixed solution a;

[0029] The catalyst azobisethylbutyronitrile (AIBN) with a mass fraction of 0.2 is completely dissolved in butyl acetate with a mass fraction of 50.0 to obtain a mixed liquid b;

[0030] Add the mixed solution b into the mixed solution a, and stir evenly to obtain the mixed solution c.

[0031] 2. Place the obtained mixed solution c in a water bath at 70°C for 24 hours, and then cool it down to room temperature to obtain the anticorrosion coating d of amphiphilic acrylate polymer modified by fluorine-silicon copolymeriz...

Embodiment 2

[0039] Anti-corrosion paint preparation method, the paint is carried out according to the following steps in 100 parts by mass:

[0040] 1. Preparation of amphiphilic acrylate polymer modified by fluorosilicone copolymerization: methyl methacrylate, n-butyl acrylate, β-hydroxypropyl acrylate, dodecafluoroheptyl methacrylate, vinyl triethyl Oxysilane is added into the reactor in parts by mass of 24.8, 12.5, 5.0, 5.0, and 2.5 and mixed evenly to obtain a mixed liquid a;

[0041] The catalyst azobisethylbutyronitrile (AIBN) of 0.2 parts by mass is completely dissolved in the solvent butyl acetate of 50.0 parts by mass to obtain mixed solution b;

[0042] Add the mixed solution b into the mixed solution a, and stir evenly to obtain the mixed solution c.

[0043] 2. Place the obtained mixed solution c in a water bath at 70° C. for 24 hours, and then cool it down to room temperature to obtain the amphiphilic acrylate polymer solution d modified by fluorosilicon copolymerization. P...

Embodiment 3

[0049] Anti-corrosion paint preparation method, the paint is carried out according to the following steps in 100 parts by mass:

[0050] 1. Preparation of amphiphilic acrylate polymer modified by fluorosilicone copolymerization: methyl methacrylate, n-butyl acrylate, β-hydroxypropyl acrylate, hexafluorobutyl methacrylate, vinyl trimethoxy Silane is added into the reactor in parts by mass of 24.8, 12.0, 5.0, 6.0, and 2.0 and mixed evenly to obtain a mixed liquid a;

[0051] The catalyst azobisethylbutyronitrile (AIBN) with a mass fraction of 0.2 is completely dissolved in the solvent butyl acetate with a mass fraction of 50.0 to obtain a mixed solution b;

[0052] Add the mixed solution b into the mixed solution a, and stir evenly to obtain the mixed solution c.

[0053] 2. Place the obtained mixed solution c in a water bath at 90° C. for 12 hours, and then cool it down to room temperature to obtain the amphiphilic acrylate polymer solution d modified by fluorosilicon copolyme...

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Abstract

The invention belongs to the technical field of fluoride and siloxane modified acrylate polymer anti-corrosive paint preparation, and particularly relates to fluorine and silicone copolymerization modification amphiphilic acrylate polymer anti-corrosive paint and a preparation method thereof. A catalyst-containing solvent is added in mixed liquid of acrylic comonomer, an organic fluorine modifierand an organic silicone modifier and subjected to polymerization to obtain the fluorine and silicone copolymerization modification amphiphilic acrylate polymer anti-corrosive paint; 40.0-52.0 parts bymass of acrylic comonomer, 2.0-15.0 parts by mass of organic fluorine modifier, 1.0-3.0 parts by mass of organic silicone modifier, 0.05-1.0 part by mass of catalyst and 45.0-50.0 parts by mass of solvent are applied. Accordingly, a fluorine and silicone copolymerization modification amphiphilic acrylate polymer can improve the corrosion protection property of coating.

Description

technical field [0001] The invention belongs to the technical field of preparation of fluorine-silicon modified acrylate anticorrosion paint, in particular to a fluorine-silicon copolymer modified amphiphilic acrylate polymer anticorrosion paint and a preparation method thereof. Background technique [0002] The corrosion of metal materials in the process of use has caused more and more serious losses to the national economy, and at the same time brought severe environmental pollution and energy consumption. In addition, corrosion can cause damage to metal structures, resulting in catastrophic accidents. Therefore, the research on corrosion protection is of great significance to economic construction. [0003] The surface of organic fluorosilicon material has low surface energy, which is hydrophobic. The water non-wettability of the hydrophobic surface can effectively prevent the medium water from contacting the metal surface, thereby preventing the occurrence of corrosion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D5/08C08F220/14C08F220/18C08F220/20C08F220/22C08F230/08
CPCC08F220/14C09D5/08C09D143/04C08F220/1804C08F220/20C08F220/22C08F230/08
Inventor 郭玉娣赵二庆
Owner 南通中国科学院海洋研究所海洋科学与技术研究发展中心
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