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Antibacterial polyester finish coat for color coating steel plate and preparation thereof

A color-coated steel plate and topcoat technology, which is applied to polyester coatings, biocide-containing paints, coatings, etc., can solve the problem of no polyester topcoat with antibacterial function, and achieve the effect of simple process

Inactive Publication Date: 2009-07-22
CHANGSHU HUAYE STEEL STRIP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the color-coated steel sheets produced with polyester topcoats are mainly used in the fields of home appliances, vehicles, construction, furniture, etc. The functions of polyester topcoats are mainly protection and decoration, and no antibacterial function has been found so far. Polyester finish and color-coated steel panels

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The weights of white gray polyester topcoat, saturated polyester resin component, silver-loaded titanium dioxide, diluent component and non-ionic high molecular polymer containing pigment-friendly groups are respectively: 100 kg, 2 kg, 2 kg, 10 kg, 0.1 kg;

[0018] Mix and add part of the white gray polyester topcoat, all saturated polyester resin components, all silver-loaded titanium dioxide, part of the diluent component and some non-ionic polymers containing pigment-friendly groups to the sand mill, and grind evenly Finally, it is added to the high-speed disperser, and the remaining materials in the formula are added at the same time, and stirred at a high speed to obtain the finished antibacterial polyester topcoat.

Embodiment 2

[0020] Ingredients Sea blue polyester topcoat, saturated polyester resin component, modified silver-loaded titanium dioxide, diluent component and aromatic hydrocarbon solvent are respectively: 100 kg, 20 kg, 10 kg, 60 kg, 10 kg;

[0021] Mix and add part of sea blue polyester topcoat, all saturated polyester resin components, all modified silver-loaded titanium dioxide, part of diluent components and part of aromatic solvent to the sand mill, grind evenly, and then add to the high-speed disperser , and at the same time add the remaining materials in the formula and stir at high speed to obtain the finished antibacterial polyester topcoat.

Embodiment 3

[0023] The mass of ingredients crimson polyester topcoat, saturated polyester resin component, modified silver-loaded titanium dioxide, diluent component and polyether modified polydimethylsiloxane interpolymer are respectively: 100 kg, 20 kg, 10 kg kg, 60 kg, 10 kg;

[0024] Mix and add part of crimson polyester topcoat, all saturated polyester resin components, all modified silver-loaded titanium dioxide, part thinner components and part polyether modified polydimethylsiloxane interpolymer to the sand mill, After grinding evenly, add it to the high-speed disperser, add the remaining materials in the formula at the same time, and stir at a high speed to obtain the finished antibacterial polyester topcoat.

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Abstract

The invention provides an antibacterial polyester finishing coat used for color coating sheet steel, and a preparation method, belonging to the field of coil coatings. The method comprises the following steps: adding part of polyester finishing coat components, all saturated polyester resin components, all antibacterial agent component, part of finishing coat diluter component and part of assistant components into a sand mill, uniformly grinding all the components, then adding the ground materials into a high speed dispersion machine and adding the remaining materials in the formula, consequently, the antibacterial polyester finishing coat finished product is obtained after high speed stirring. The finishing coat has the advantages of highly efficient antibacterial property due to the containing of the antibacterial agent, no effect on other properties of the polyester finishing coat, no need of complicated equipment for the preparation, no need of the adding of the sand mill and the high speed dispersion machine due to that the sand mill and the high speed dispersion machine are the indispensible ready equipment in coil coating production industry and color coating sheet steel industry, and simple preparation technology.

Description

technical field [0001] The invention belongs to the manufacturing technology of polyester topcoat, in particular to an antibacterial polyester topcoat for color-coated steel plates and a preparation method thereof. Background technique [0002] At present, the color-coated steel sheets produced with polyester topcoats are mainly used in the fields of home appliances, vehicles, construction, furniture, etc. The functions of polyester topcoats are mainly protection and decoration, and no antibacterial function has been found so far. Polyester finish and color-coated steel panels. [0003] Harmful microorganisms are more and more harmful to humans, so it has become an inevitable trend to develop antibacterial polyester topcoats for color-coated steel sheets to prepare antibacterial color-coated steel sheets. [0004] Silver-loaded nano-TiO2 uses Ag to prevent the recombination of electron-hole pairs in TiO2, promote the separation of electron-hole pairs, expand the photocataly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D5/14C09D7/12C09D7/06
Inventor 王珏柴立元张洵彭兵李安位李国良吕敬九万斯
Owner CHANGSHU HUAYE STEEL STRIP
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