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Silver-zinc oxide formaldehyde-removing coating and preparation method thereof

A silver zinc oxide, coating technology, applied in antifouling/underwater coatings, coatings, paints containing biocides, etc. The effect of improving the effect, reducing the usage amount, and increasing the specific surface area

Inactive Publication Date: 2021-03-05
三棵树(上海)新材料研究有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the migration of metal ions easily leads to the loss of metal ions
The migration of silver ions and zinc ions is easy to agglomerate or lose, and the long-term effect cannot be guaranteed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The silver-zinc oxide antibacterial envelhyde coating according to the present invention is prepared according to the following mass parts ratio: 27 water, 0.4 hydroxyethyl cellulose, 0.2 parts of pH regulator, 0.5 water-based dispersant, water-proof Wet dosaged 0.2 parts, 0.6 water defoamers, 16 titanium powder, 10 calcined kaolin, 15 calcium carbonate, 12 copies of diatomaceous earth, 3 silver oxide, 21 membrane, 0.8 membrane 0.5 parts of antifreeze.

[0024] The silver oxide is prepared by the following components:

[0025] (1) At room temperature, the ethanol solution of the potassium hydroxide was added to the ethanol solution of zinc acetate in a stirred state, and then the temperature was raised to 50 ° C in 20 minutes and then centrifuged for 1.5 hours and then centrifuged to obtain a size of less than 10 nm. Zinc oxide; zinc acetate in zinc acetate, the amount of zinc hydroxide in acetate, potassium hydroxide in the ethanol solution of potassium hydroxide is 5% (2)...

Embodiment 2

[0031] The silver-zinc oxide antibacterial envelhyde coating of the present invention is prepared according to the following mass parts ratio: 25 parts of water, 0.5 parts of hydroxyethyl cellulose, 0.1 parts of pH regulators, 0.6 water-based dispersants, water resistance 0.1 parts of the wet agent, 0.4 water defoamer, 15 pieces of titanium powder, 12 parts of the calcined kaolin, 12 copies of calcium carbonate, 12 parts of diatomaceous, 2 parts of silver oxide, 0.5 parts of the emulsion 17, film formation auxiliary agent and antifreeze 0.5 parts of the agent.

[0032] The silver oxide is prepared by the following components:

[0033] (1) At room temperature, the ethanol solution of the potassium hydroxide was added to the ethanol solution of zinc acetate in a stirred state, and then the temperature was raised to 55 ° C in 30 minutes and then centrifuged after 2 hours. The drying was less than 10 nm. Zinc oxide; zinc acetate in zinc acetate, the amount of zinc oxide in acetate, po...

Embodiment 3

[0039] The silver oxide antibacterial envelhyde coating of the present invention is prepared according to the following components: 30 parts of water, 0.3 parts of hydroxyethyl cellulose, 0.3 parts of pH regulators, 0.8 water-based dispersants, water-based 0.3 wetting agents, 0.7 water defoaming agents, 18 titanium powder, 8 calcined kaolin, 12 calcium carbonate, 12 copies of diatomaceous, 5 silver oxide, 2 emulsions, 1 film formation 1 antifreeze.

[0040] The silver oxide is prepared by the following components:

[0041](1) At room temperature, the ethanol solution of potassium hydroxide was added to the ethanol solution of zinc acetate in a stirred state, and then the temperature was raised to 60 ° C in 30 minutes and centrifuged for 2 hours to obtain a size of less than 10 nm. Zinc oxide; the amount of zinc acetate in zinc acetate in acetate is 50%, and the amount of potassium hydroxide in the ethanol solution of potassium hydroxide is 20% (2) and then the zinc oxide obtained ...

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Abstract

The invention relates to a silver-zinc oxide antibacterial formaldehyde-removing coating and a preparation method thereof. The coating is prepared from the following components in parts by mass: 25-30parts of water, 0.3-0.5 part of hydroxyethyl cellulose, 0.1-0.3 part of a pH regulator, 0.5-0.8 part of a water-based dispersant, 0.1-0.3 part of a water-based wetting agent, 0.4-0.7 part of a water-based defoamer, 15-18 parts of titanium dioxide, 8-12 parts of calcined kaolin, 10-15 parts of calcium carbonate, 8-15 parts of diatomite, 2-5 parts of silver zinc oxide, 17-23 parts of emulsion, 0.5-1 part of a coalescing agent and 0.5-1 part of an antifreezing agent. The ultra-small-size silver zinc oxide material is beneficial to increase of the specific surface area of the catalyst, reductionof the use amount of the catalyst and improvement of the catalytic effect.

Description

Technical field [0001] The present invention relates to silver-oxide decellular coatings and methods of preparation thereof. Background technique [0002] At present, there are two major categories of antibacterial antibacterial agents in coatings, one is organic antimicrobial antibacterial agent, main components have isothiazolin ketones, phenylprolium, formaldehyde sustaining agents, etc .; Mildewei fungicides such as nano silver, nano-copper, titanium dioxide, zinc oxide, and the like. The first type of organic mildew antibacterial agent is widely used in coatings, but such organic preservatives gradually decompose over time, anti-mold antibacterial effect will gradually disappear, and such organic antidiants are affected by environmental protection and skin The irritability, its addition is strict. The second type of inorganic anti-murganizer, is generally concerned due to non-toxic, efficient, long-term performance. However, simple silver ions or copper ions are easily lost,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/14C09D125/14C09D143/04C09D133/04C09D131/04C09D7/61
CPCC08K2003/0806C08K2003/2241C08K2003/2296C08K2003/265C08K2201/011C09D5/14C09D125/14C09D131/04C09D133/04C09D143/04C09D7/61C09D7/70C08L1/284C08K13/06C08K9/12C08K3/08C08K3/22C08K3/346C08K3/26C08K7/26
Inventor 莫世广付绍祥洪杰
Owner 三棵树(上海)新材料研究有限公司
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