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Mould-proof antibacterial coating and preparation method thereof

A technology of antifungal and antibacterial coatings, applied in antifouling/underwater coatings, microsphere preparation, microcapsule preparations, etc., can solve problems such as limited application, unstable efficacy of essential oils, etc., to improve coating ability, Improve the pores and pore structure, eliminate the effect of odor

Inactive Publication Date: 2017-08-18
广西浩昌敏再生资源利用有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the instability of essential oils, the duration of the drug effect is short, which limits the application

Method used

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  • Mould-proof antibacterial coating and preparation method thereof
  • Mould-proof antibacterial coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A mildew-proof and antibacterial coating is prepared from the following raw materials in parts by weight:

[0030] 100 parts of vinegar-acrylic emulsion, 50 parts of alkyd resin, 6 parts of wetting and dispersing agent, 20 parts of pigment, 20 parts of zeolite powder, 40 parts of diatomite, 20 parts of sepiolite powder, 4 parts of polyacrylamide, film-forming aid 5 parts, 15 parts of microcapsule bactericide, and 2 parts of defoamer; wherein, the particle diameters of zeolite powder, diatomaceous earth and sepiolite powder are all 0.1-1 μm.

[0031] The preparation method of above-mentioned coating, comprises the following steps:

[0032] (1) Organic modification of bentonite: immerse sodium-based bentonite in dilute hydrochloric acid solution with a mass concentration of 0.6%, react for 6 hours at a water bath temperature of 40-50°C and a stirring speed of 400r / min, and then suction filter And wash the filter residue with deionized water until it is neutral, dry it at...

Embodiment 2

[0036] A mildew-proof and antibacterial coating is prepared from the following raw materials in parts by weight:

[0037] 120 parts of vinegar-acrylic emulsion, 85 parts of alkyd resin, 8 parts of wetting and dispersing agent, 32 parts of pigment, 22 parts of zeolite powder, 45 parts of diatomite, 25 parts of sepiolite powder, 5 parts of polyacrylamide, film-forming aid 7 parts, 18 parts of microcapsule bactericide, and 3 parts of defoamer; wherein, the particle diameters of zeolite powder, diatomaceous earth and sepiolite powder are all 0.1-1 μm.

[0038] The preparation method of above-mentioned coating, comprises the following steps:

[0039] (1) Organic modification of bentonite: the sodium bentonite is immersed in a dilute hydrochloric acid solution with a mass concentration of 0.8%, reacted for 5.5h at a water bath temperature of 40-50°C and a stirring speed of 350r / min, and then pumped Filter and wash the filter residue with deionized water until neutral, dry and pulve...

Embodiment 3

[0043] A mildew-proof and antibacterial coating is prepared from the following raw materials in parts by weight:

[0044] 150 parts of vinegar-acrylic emulsion, 100 parts of alkyd resin, 10 parts of wetting and dispersing agent, 40 parts of pigment, 30 parts of zeolite powder, 50 parts of diatomaceous earth, 30 parts of sepiolite powder, 6 parts of polyacrylamide, film-forming aid 10 parts, 20 parts of microcapsule bactericide, and 4 parts of defoamer; wherein, the particle diameters of zeolite powder, diatomaceous earth and sepiolite powder are all 0.1-1 μm.

[0045] The preparation method of above-mentioned coating, comprises the following steps:

[0046] (1) Organic modification of bentonite: immerse sodium-based bentonite in dilute hydrochloric acid solution with a mass concentration of 1.0%, react for 5 hours at a water bath temperature of 40-50°C and a stirring speed of 400r / min, and then suction filter And wash the filter residue with deionized water until it is neutra...

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Abstract

The invention provides a mould-proof antibacterial coating and a preparation method thereof, and belongs to the technical field of the coating preparation. The coating is prepared from the following raw materials in parts by weight: 100-150 parts of vinyl acetate emulsion, 50-100 parts of glycerol-phthalic resin, 6-10 parts of wetting dispersant, 20-40 parts of pigment, 20-30 parts of zeolite powder, 40-50 parts of diatomite, 20-30 parts of sepiolite powder, 4-6 parts of polyacrylamide, 5-10 parts of coalescing agent, 15-20 parts of microcapsule bactericide, and 2-4 parts of defoaming agent, wherein the microcapsule bactericide is prepared by taking organic modified bentonite as the capsule wall material, and the bactericidal activity ingredients Sichuan pepper essence oil and folium perillae essence oil as the core material. The microcapsule bactericide is added in the vinyl acetate emulsion system, the organic modified bentonite is used as the capsule wall material, and the slow release of the Sichuan pepper essence oil and the folium perillae essence oil is controlled so that the antibacterial effect is better and more durable.

Description

[0001] 【Technical field】 [0002] The invention relates to the technical field of paint preparation, in particular to an anti-mildew and antibacterial paint and a preparation method thereof. [0003] 【Background technique】 [0004] Coating is a general term for a class of liquid or solid materials that can form a solid coating film with protection, decoration or special properties (such as insulation, anti-corrosion, signs, etc.) on the surface of an object, including oil (based) paint, water-based paint, powder coating . Coatings are widely used in home improvement, shipbuilding, construction and many military industries and equipment, and are one of the necessary preparations / auxiliaries for the development of modern industry and agriculture. The anti-mildew and antibacterial properties of coatings are the key performances of coatings, which are directly related to the service life of coatings and coated objects. Once mildew occurs in coatings, it will make it difficult for ...

Claims

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Application Information

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IPC IPC(8): C09D131/04C09D5/14B01J13/14
CPCB01J13/14C08L2205/035C09D5/14C09D131/04C08L67/08C08L33/26C08K13/02C08K5/0058C08K3/38C08K3/34C08K3/346
Inventor 常远
Owner 广西浩昌敏再生资源利用有限公司
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