High-weather-resistant antibacterial coating layer material for castings and preparation method thereof

An antibacterial coating and high weather resistance technology, which is applied in coatings, fireproof coatings, antifouling/underwater coatings, etc., can solve the problems of poor weather resistance and antibacterial performance of coatings, and achieve stability and pollution resistance. , good anti-acid effect

Inactive Publication Date: 2018-11-02
SUZHOU JIEDERUI PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the antibacterial performance of existing antibacterial coating materials is poor, and the weather resistance of the coating is poor, so it is necessary to further develop high weather resistance and high antibacterial coating materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A highly weather-resistant antibacterial coating material for castings, prepared from the following raw materials in parts by weight: 55 parts of modified acrylic resin, 12 parts of bismaleimide, 5 parts of triallyl isocyanurate, poly 8 parts of vinyl alcohol, 9 parts of compound antibacterial agent, 8 parts of modified mixed filler, 4 parts of 2,2'-methylenebis(4,6-di-tert-butylphenol), 2-hydroxy-4-n-octyloxy 5 parts of benzophenone, 5 parts of soybean lecithin, 6 parts of ethylene glycol ether acetate, 7 parts of polydimethylsiloxane, and 18 parts of glycidyl neodecanoate.

[0033]The composite antibacterial agent is prepared from nano-silver particles, cetyl pyridinium chloride and wollastonite powder. The preparation method of the composite antibacterial agent is as follows: add 20 parts of nitric acid solution with pH 4.5 to 10 parts of wollastonite powder , stirred and mixed at a temperature of 70°C for 1.2h, then added 4.5 parts of nano-silver particles and 7.5 p...

Embodiment 2

[0040] A highly weather-resistant and antibacterial coating material for castings, prepared from the following raw materials in parts by weight: 40 parts of modified acrylic resin, 8 parts of bismaleimide, 3 parts of triallyl isocyanurate, poly 5 parts of vinyl alcohol, 6 parts of compound antibacterial agent, 5 parts of modified mixed filler, 2 parts of 2,2'-methylenebis(4,6-di-tert-butylphenol), 2-hydroxy-4-n-octyloxy 3 parts of benzophenone, 2 parts of soybean lecithin, 3 parts of ethylene glycol ether acetate, 4 parts of polydimethylsiloxane, 10 parts of glycidyl neodecanoate.

[0041] The composite antibacterial agent is prepared from nano-silver particles, cetyl pyridinium chloride and wollastonite powder, and the preparation method of the composite antibacterial agent is as follows: add 15 parts of nitric acid solution of pH 4 to 6 parts of wollastonite powder , stirred and mixed at a temperature of 60°C for 1h, then added 3 parts of nano-silver particles and 5 parts of...

Embodiment 3

[0048] A highly weather-resistant and antibacterial coating material for castings, prepared from the following raw materials in parts by weight: 50 parts of modified acrylic resin, 10 parts of bismaleimide, 4 parts of triallyl isocyanurate, poly 6 parts of vinyl alcohol, 8 parts of composite antibacterial agent, 6 parts of modified mixed filler, 3 parts of 2,2'-methylenebis(4,6-di-tert-butylphenol), 2-hydroxy-4-n-octyloxy 4 parts of benzophenone, 4 parts of soybean lecithin, 4 parts of ethylene glycol ether acetate, 6 parts of polydimethylsiloxane, 15 parts of glycidyl neodecanoate.

[0049] The composite antibacterial agent is prepared from nano-silver particles, cetyl pyridinium chloride and wollastonite powder. The preparation method of the composite antibacterial agent is as follows: add 18 parts of nitric acid solution of pH 4.2 to 8 parts of wollastonite powder , stirred and mixed at a temperature of 65°C for 1.2h, then added 4 parts of nano-silver particles and 7 parts ...

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Abstract

The invention provides a high-weather-resistant antibacterial coating layer material for castings and a preparation method thereof. The coating layer material is prepared from the following raw materials in parts by weight: 40-70 parts of modified acrylic resin, 8-16 parts of bismaleimide, 3-6 parts of triallyl isocyanurate, 5-10 parts of polyvinyl alcohol, 6-12 parts of a compound antibacterial agent, 5-10 parts of a modified mixed filling, 2-5 parts of 2,2'-methylenebis(4,6-di-tert-butylphenol), 3-6 parts of 2-hydroxy-4-n-octyloxybenzophenone, 2-7 parts of soybean lecithin, 3-8 parts of ethylene glycol monoethyl ether acetate, 4-9 parts of polydimethylsiloxane and 10-25 parts of neodecanoic acid glycidyl ester. The coating layer material has ideal mechanical strength and goop weather resistance, the antibacterial rate of the coating layer material to mixed bacteria of gram-negative escherichia coli and gram-positive staphylococcus aureus reaches up to 99.35%, so that the high-weather-resistant antibacterial coating layer material has wide application prospects.

Description

technical field [0001] The invention belongs to the technical field of coating materials, and in particular relates to a highly weather-resistant and antibacterial coating material for castings and a preparation method thereof. Background technique [0002] At present, castings generally use metal materials such as copper, stainless steel, and alloys as the base material, but because the metal surface is exposed to the air during long-term use, due to the nature of the material itself, it is easy to contact with pollutants, oxygen, and moisture in the air. Causes corrosion, aging, mildew and other phenomena on the surface of castings, thus affecting the quality of castings and shortening the service life of castings. In addition to improving the matrix material of the casting itself to improve the overall performance of the casting, the purpose of protecting the casting can also be achieved by spraying paint on the surface of the casting. However, most of the existing coati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/14C09D129/04C09D183/04C09D5/14C09D5/25C09D5/18C09D7/62C09D7/63C09D7/65C09D7/20
CPCC08K2003/2213C08K2003/2241C08K2201/011C08L2201/02C08L2201/08C08L2205/03C09D5/00C09D5/14C09D5/18C09D7/20C09D7/62C09D7/63C09D7/65C09D7/70C09D133/14C08L29/04C08L83/04C08K13/06C08K7/04C08K3/08C08K3/34C08K5/103C08K5/521
Inventor 姚振红
Owner SUZHOU JIEDERUI PRECISION MACHINERY
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