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A kind of durable antibacterial water-based environmental protection coating and preparation method thereof

An environmentally friendly coating, water-based technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of not being able to meet the quality of modern life, the effect is not long-lasting, residual toxicity, etc.

Active Publication Date: 2015-09-23
UNION FOSHAN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned antibacterial agents are mostly added to the system in a physical way, and are widely used due to their simple application, but they have disadvantages such as residual toxicity, easy migration, short-lasting effect, and environmental pollution, which cannot meet the requirements of modern quality of life

Method used

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  • A kind of durable antibacterial water-based environmental protection coating and preparation method thereof
  • A kind of durable antibacterial water-based environmental protection coating and preparation method thereof
  • A kind of durable antibacterial water-based environmental protection coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025]

[0026]

[0027] Step A. Preparation of aqueous dispersion: According to the set weight percentage, mix and stir deionized water, wetting agent, dispersant, and defoamer evenly, add titanium dioxide, kaolin, heavy calcium powder, and talcum powder, and use 1300-1800rpm Stir at high speed to obtain a uniform aqueous dispersion;

[0028] Step B, adding the aqueous dispersion in step A into the antibacterial styrene-acrylic emulsion under stirring, then adding film-forming aids, antifreeze agents, thickeners, anti-settling agents, and pH regulators and stirring to disperse evenly;

[0029] In step C, replenishing water, defoaming, and adjusting to a specified viscosity, a durable antibacterial water-based environmental protection paint for indoor use is prepared.

Embodiment 2

[0031]

[0032]

[0033] Step A. Preparation of aqueous dispersion: According to the set weight percentage, mix and stir deionized water, dispersant, defoamer, and antifreeze evenly, add titanium dioxide, heavy calcium powder, and talcum powder, and stir at a high speed of 1300-1800rpm Obtain a homogeneous aqueous dispersion;

[0034] Step B, add the aqueous dispersion in step A into the antibacterial water-based fluororesin under stirring, then add film-forming aids, thickeners, and pH regulators, stir and disperse evenly;

[0035] In step C, replenishing water, defoaming, and adjusting to a specified viscosity, a durable antibacterial water-based fluorine coating for exterior walls is prepared.

Embodiment 3

[0037]

[0038] Step A. Preparation of aqueous dispersion: According to the set weight percentage, mix and stir deionized water, dispersant, defoamer, and antifreeze evenly, add titanium dioxide, light calcium powder, and sericite powder, and run at a high speed of 1300-1800rpm Stir to obtain a uniform aqueous dispersion;

[0039] Step B, adding the aqueous dispersion in step A into the antibacterial polyacrylic acid emulsion under stirring, then adding film-forming aids, thickeners, pH regulators, and defoamers, stirring and dispersing evenly;

[0040] Step C, replenishing water, defoaming, and adjusting to a specified viscosity, a durable antibacterial acrylic paint for interior and exterior walls is prepared. .

[0041] The durable antibacterial water-based environmentally friendly coatings prepared in the above three examples show excellent characteristics, see Table 1.

[0042] Table 1: The performance of the durable antibacterial water-based environmental protection...

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Abstract

The invention relates to a long-acting antimicrobial water-based environment-friendly paint and a preparation method thereof. A resin emulsion containing antimicrobial group is used as the main component of the base material of the paint, and the paint can have long-acting antimicrobial property without adding any other antimicrobial agent. The long-acting antimicrobial water-based environment-friendly paint is prepared from 25-40% of resin emulsion containing antimicrobial group, 5-35% of pigment or colorant, 15-30% of filler, 0.5-5% of wetting dispersant, 0.2-1.0% of neutralizer, 0.2-0.5% of defoaming agent, 0.2-0.5% of thickening rheological agent, 2-8% of film-forming assistant, 0-5% of antifreezing agent, 0-10% of functional assistant and 10-25% of deionized water. The long-acting antimicrobial water-based environment-friendly paint has a long-acting antimicrobial action, and also has the advantages of excellent water resistance, weather resistance, fouling resistance, scratch resistance, solvent resistance and high storage stability.

Description

technical field [0001] The invention relates to a durable antibacterial water-based environmental protection paint, which uses a resin emulsion containing antibacterial groups as the main component of the paint base material, and can make the paint have durable antibacterial properties without adding other antibacterial agents. Background technique [0002] Antibacterial coatings refer to a class of coatings that add antibacterial agents to make them have antibacterial properties. Because they can kill molds and bacteria such as Escherichia coli and Staphylococcus, they can improve the indoor environment and protect people's health. Its research and Apps get a lot of attention. Antibacterial agents can be divided into three categories: natural, organic, and inorganic: natural antibacterial agents include extracts such as chitosan and natural extracts. Natural antibacterial agents are mainly some extracts of natural plants. At the same time, natural antibacterial agents have...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14C09D133/00C09D127/12C09D5/08
Inventor 许钧强康伦国
Owner UNION FOSHAN CHEM
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