Antibacterial polyvinylidene fluoride powder coating

A polyvinylidene fluoride, powder coating technology, applied in anti-corrosion coatings, epoxy resin coatings, anti-fouling/underwater coatings, etc., can solve problems such as unsatisfactory antibacterial properties, and achieve poor adhesion and compatibility. Good performance and uniformity of surface tension

Inactive Publication Date: 2016-03-02
安徽圣德建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of society, people have put forward higher requirements on the performance of coatings. The antibacterial properties of existing polyvinylidene fluoride powder coatings are not very satisfactory, and further improvement is still needed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An antibacterial polyvinylidene fluoride powder coating proposed by the present invention, its raw materials include the following components by weight: 100 parts of polyvinylidene fluoride, 5 parts of polymethyl methacrylate, 20 parts of epoxy resin, modified nano 5 parts of titanium dioxide, 10 parts of nano zinc oxide, 5 parts of carbon nanotubes, 10 parts of titanium dioxide, 1 part of benzoin, 8 parts of aminosilane coupling agent, 0.5 parts of zinc isooctanoate, 2 parts of leveling agent, propylene glycol methyl ether acetate 2 parts, 10 parts of isophorone, 5 parts of dimethyl phthalate, 5 parts of amino resin;

[0016] Wherein, the modified nano-titanium dioxide is prepared according to the following process: 3 parts by weight of nano-titanium dioxide are dispersed in 35 parts of water, and 3 parts of chloroplatinic acid solution with a concentration of 0.05mol / L and 2 parts with a concentration of 0.05mol / L are added dropwise. / L of silver nitrate solution, sti...

Embodiment 2

[0018] An antibacterial polyvinylidene fluoride powder coating proposed by the present invention, its raw materials include the following components by weight: 100 parts of polyvinylidene fluoride, 20 parts of polymethyl methacrylate, 10 parts of epoxy resin, modified nano 15 parts of titanium dioxide, 2 parts of nano zinc oxide, 15 parts of carbon nanotubes, 5 parts of titanium dioxide, 2 parts of benzoin, 3 parts of γ-aminopropyl triethoxysilane, 2 parts of zinc isooctanoate, 0.5 parts of leveling agent, 5 parts of propylene glycol methyl ether acetate, 2 parts of isophorone, 10 parts of dimethyl phthalate, 2 parts of amino resin;

[0019] Wherein, the modified nano-titanium dioxide is prepared according to the following process: 10 parts by weight of nano-titanium dioxide are dispersed in 20 parts of water, and 5 parts of chloroplatinic acid solution with a concentration of 0.03mol / L and 5 parts with a concentration of 0.01mol / L are added dropwise. / L of silver nitrate solu...

Embodiment 3

[0021] A kind of antibacterial polyvinylidene fluoride powder coating that the present invention proposes, its raw material comprises the following components by weight: polyvinylidene fluoride 100 parts, polymethyl methacrylate 12 parts, bisphenol A type epoxy resin 10 parts , 8 parts of bisphenol F epoxy resin, 8 parts of modified nano-titanium dioxide, 8 parts of nano-zinc oxide, 9 parts of carbon nanotubes, 8 parts of titanium dioxide, 1.3 parts of benzoin, γ-aminoethylaminopropyl trimethoxy 6.5 parts of silane, 1 part of zinc isooctanoate, 1.5 parts of leveling agent, 3.8 parts of propylene glycol methyl ether acetate, 6.5 parts of isophorone, 8 parts of dimethyl phthalate, 4 parts of amino resin;

[0022] Wherein, the modified nano-titanium dioxide is prepared according to the following process: 6 parts by weight of nano-titanium dioxide are dispersed in 32 parts of water, and 3.8 parts of chloroplatinic acid solution with a concentration of 0.042mol / L and 3 parts with a ...

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PUM

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Abstract

The present invention discloses an antibacterial polyvinylidene fluoride powder coating. The powder coating comprises the following raw materials: polyvinylidene fluoride, polymethylmethacrylate, polyurethane, modified nanometer titanium dioxide, nano zinc oxide, carbon nanotubes, titanium dioxide, benzoin, an amino silane coupling agent, zinc isooctanoate, a flow agent, propylene glycol methyl ether acetate, isophorone, dimethyl phthalate and amino resin; and the modified nano titanium dioxide is prepared according to the following process: dispersing nano titanium dioxide in water; dropwise adding chloroplatinic acid solution and silver nitrate solution; stirring after dropwise addition is finished; feeding argon; reacting under a 550-600W high-pressure mercury lamp; and after the reaction was completed, performing centrifugation, washing and drying to obtain the modified nano titanium dioxide. The antibacterial polyvinylidene fluoride powder coating provided by the present invention is good in weather resistance, excellent in antibacterial property and contamination resistance, and long in service life.

Description

technical field [0001] The invention relates to the technical field of powder coatings, in particular to an antibacterial polyvinylidene fluoride powder coating. Background technique [0002] Powder coating is a new type of solvent-free, 100% solid powder coating, which has the characteristics of solvent-free, pollution-free, recyclable, environmental protection, energy and resource saving, labor intensity reduction, and high mechanical strength of the coating film. At present, it has a wide range of applications . Polyvinylidene fluoride powder coating has excellent weather resistance and insulation performance, and has excellent impact resistance, heat resistance, chemical resistance, oil resistance and pollution resistance. It has been widely used in outdoor furniture and equipment. And the coating of chemical equipment, pipelines, etc. With the development of society, people have put forward higher requirements on the performance of coatings. The antibacterial properti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/16C09D133/12C09D163/00C09D5/14C09D7/12C09D5/08
Inventor 邱华岭
Owner 安徽圣德建材科技有限公司
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