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Durable water-based moldproof coating

A durable, water-based technology, used in fire-resistant coatings, anti-fouling/underwater coatings, coatings, etc., can solve problems such as poor anti-mildew effect, achieve good heat resistance stability, lasting anti-mildew effect, and improve film formation. Effects of Sexuality and Mechanical Strength

Inactive Publication Date: 2018-05-01
枞阳县新天地高新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a durable water-based anti-mildew coating for the problem of poor anti-mildew effect of existing coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A durable water-based anti-mold coating, comprising the following raw materials in parts by weight: 24 parts of polyvinyl acetate emulsion, 15 parts of allyl epoxy polyether, 2 parts of compound emulsifier, 6 parts of modified zinc sulfide nanoparticles, 2.5 parts of polyvinyl alcohol, 5 parts of compound filler, 0.6 parts of water-based curing agent, 100 parts of deionized water;

[0013] Wherein said composite emulsifier comprises the following raw materials in parts by weight: 5 parts of sodium alkylbenzene sulfonate, 4 parts of calcium dodecylbenzene sulfonate, 1.5 parts of octylphenol polyoxyethylene ether;

[0014] The compound filler is mixed with talcum powder, expanded vermiculite and aluminum phosphate in a weight ratio of 2:4:1, then sintered at a temperature of 450°C for 35 minutes, and ground into a 500nm powder;

[0015] The preparation method of the modified zinc sulfide nanoparticles is as follows: in an ethanol solution with a mass concentration of 35%,...

Embodiment 2

[0020] A durable water-based anti-mold coating, comprising the following raw materials in parts by weight: 22 parts of polyvinyl acetate emulsion, 18 parts of allyl epoxy polyether, 1 part of compound emulsifier, 7 parts of modified zinc sulfide nanoparticles, 2 parts of polyvinyl alcohol, 6 parts of compound filler, 0.5 parts of water-based curing agent, 100 parts of deionized water;

[0021] Wherein said composite emulsifier comprises the following raw materials by weight: 4 parts of sodium alkylbenzene sulfonate, 5 parts of calcium dodecylbenzene sulfonate, 1 part of octylphenol polyoxyethylene ether;

[0022] The compound filler is mixed with talcum powder, expanded vermiculite and aluminum phosphate in a weight ratio of 2:3:1, then sintered at a temperature of 500°C for 30 minutes, and ground into a powder of 800nm;

[0023] The preparation method of the modified zinc sulfide nanoparticles is as follows: in an ethanol solution with a mass concentration of 30%, dihexadecyl...

Embodiment 3

[0028] A durable water-based anti-mold coating, comprising the following raw materials in parts by weight: 26 parts of polyvinyl acetate emulsion, 12 parts of allyl epoxy polyether, 4 parts of compound emulsifier, 5 parts of modified zinc sulfide nanoparticles, 3 parts of polyvinyl alcohol, 4 parts of compound filler, 0.7 parts of water-based curing agent, 100 parts of deionized water;

[0029] Wherein said composite emulsifier comprises the following raw materials in parts by weight: 7 parts of sodium alkylbenzene sulfonate, 2 parts of calcium dodecylbenzene sulfonate, 2 parts of octylphenol polyoxyethylene ether;

[0030] The compound filler is mixed with talcum powder, expanded vermiculite and aluminum phosphate at a weight ratio of 2:5:1, then sintered at a temperature of 400°C for 40 minutes, and ground into a 200nm powder;

[0031] The preparation method of the modified zinc sulfide nanoparticles is as follows: in an ethanol solution with a mass concentration of 40%, dih...

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PUM

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Abstract

The invention belongs to the technical field of water-based moldproof coatings, and particularly relates to a durable water-based moldproof coating, which consists of the following raw materials in parts by weight: 22 to 26 parts of polyvinyl acetate emulsion, 12 to 18 parts of allyl epoxy polyether, 1 to 4 parts of compound emulsifier, 5 to 7 parts of modified zinc sulfide nanoparticles, 2 to 3 parts of polyvinyl alcohol, 4 to 6 parts of compound filler, 0.5 to 0.7 part of water-based curing agent and 100 parts of deionized water. Compared with the prior art, the durable water-based moldproofcoating has the following advantages: a preparation method of the coating disclosed by the invention is simple; the compound filler is utilized for mixing and sintering under the condition of high temperature, the thermal stability of the obtained filler is good, and moreover, the filler can help increase antibacterial timeliness; the preparation of the modified zinc sulfide nanoparticles increases the dispersibility and oxidation stability of the modified zinc sulfide nanoparticles in the coating, so that the coating has an excellent and persistent moldproof effect as well as a certain flame-retardant effect, and the compatibility between all the components is good when the modified zinc sulfide nanoparticles cooperate with the other raw materials; and the durable water-based moldproof coating has excellent application value.

Description

technical field [0001] The invention belongs to the technical field of water-based mildew-proof paint, and in particular relates to a durable water-based mildew-resistant paint. Background technique [0002] Coatings are a mixture of polymer substances and ingredients, and can be coated on the surface of the substrate to form a new type of polymer material that adheres firmly and continuously. Any coating that uses water as a solvent or as a dispersion medium can become a water-based coating. The biggest difference between coatings and solvent-based coatings is that most of the organic solvents in coatings are replaced by water, which is the development trend of the architectural decoration industry. Water-based coatings need to have mildew resistance. The mildew that grows deep can also break through the paint film and cause cracking or peeling off, causing damage to objects, and the proliferating mold can also threaten human health. Therefore, many antifungal agents for co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D5/18C09D5/14C09D7/61C09D7/65
CPCC08K2003/3036C08K2003/327C08K2201/011C08L2201/02C08L2201/08C08L2205/035C09D5/14C09D5/18C09D131/04C08L29/04C08L71/00C08K13/06C08K9/04C08K9/00C08K3/34C08K3/32C08K7/26C08K3/30
Inventor 周艺桃
Owner 枞阳县新天地高新材料有限公司