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A kind of antibacterial enhanced water-based paint additive and preparation method thereof

A technology of water-based coatings and additives, applied in the field of its preparation, can solve the problems of large particle size differences of nanomaterials, narrow particle size distribution of nano-zinc oxide, and large concentration of released negative ions, etc., to achieve narrow particle size distribution, good anti-sedimentation performance, and release negative ions The effect of high concentration

Active Publication Date: 2018-07-06
HUIZHOU HUANMEISHENG NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention adopts the special preparation method and dispersion method of needle-shaped inorganic material whiskers and nano-zinc oxide antibacterial agent, which well solves the problems of large particle size difference and particle agglomeration of nano-materials, so that the processed nano-zinc oxide has a narrow particle size distribution, Small particle size, large concentration of negative ions released, etc.

Method used

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  • A kind of antibacterial enhanced water-based paint additive and preparation method thereof
  • A kind of antibacterial enhanced water-based paint additive and preparation method thereof
  • A kind of antibacterial enhanced water-based paint additive and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0033] An antibacterial enhanced water-based coating additive, which is composed of the following components in mass percentage: 79.44% deionized water, 10% needle-shaped inorganic material whiskers, 10% nano-zinc oxide antibacterial agent, 0.03% water-based dispersant, and water-based coupling agent 0.03%, anti-settling wetting agent 0.5%.

[0034] The pH value of the deionized water is 7.

[0035] The needle-shaped inorganic material whiskers are calcium sulfate whiskers, the diameter before grinding is 3 microns, and the needle length is 30 microns.

[0036] The particle size of the zinc oxide antibacterial agent before grinding is less than 20 microns.

[0037] The micron zinc oxide particle size data table before grinding measured by LA960WET particle size analyzer is shown in the following table:

[0038] (The data in the table shows that the pass rate of particle size 19.9µm is 100%)

[0039]

[0040] The preparation method of described antibacterial enhanced wate...

Embodiment 2

[0051] An antibacterial enhanced water-based coating additive, which is composed of the following components in mass percentage: 79.44% deionized water, 5% needle-shaped inorganic material whiskers, 15% nano-zinc oxide antibacterial agent, 0.03% water-based dispersant, and water-based coupling agent 0.03%, anti-settling wetting agent 0.5%.

[0052] Wherein, the needle-shaped inorganic material whisker is a mixture of calcium sulfate whisker and silicon carbide whisker.

[0053] Other parts of this embodiment are the same as Embodiment 1.

Embodiment 3

[0055] An antibacterial enhanced water-based coating additive, which is composed of the following components in mass percentage: 79.44% deionized water, 15% needle-shaped inorganic material whiskers, 5% nano-zinc oxide antibacterial agent, 0.03% water-based dispersant, and water-based coupling agent 0.03%, anti-settling wetting agent 0.5%.

[0056] Wherein, the needle-shaped inorganic material whisker is a mixture of calcium carbonate whisker, calcium sulfate whisker and silicon carbide whisker.

[0057] Other parts of this embodiment are the same as Embodiment 1.

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Abstract

The invention relates to an anti-microbial strengthening water-based paint additive and a preparing method thereof. The anti-microbial strengthening water-based paint additive is prepared from, by mass, 68.9-89.88% of deionized water, 5-15% of needle-like inorganic material crystal whisker, 5-15% of nano-zinc oxide anti-microbial agent, 0.01-0.05% of water-based dispersing agent, 0.01-0.05% of water-based coupling agent and 0.1-1% of anti-settling wetting agent. The anti-microbial strengthening water-based paint additive is characterized in that special preparation and dispersion methods are adopted for the needle-like inorganic material crystal whisker and the nano-zinc oxide anti-microbial agent, the problems of big difference between nanoparticles and particle aggregation are well solved, and the processed nano-zinc oxide has the advantages that size distribution is narrow, grain size is small and released anion concentration is large. By adding the anti-microbial strengthening water-based paint additive to a water-based paint product in the proportion of 5-15%, the product can have high anti-microbial property, film-forming property, scratch resistance and settling resistance.

Description

technical field [0001] The invention relates to an antibacterial and enhanced water-based coating additive, and also relates to a preparation method thereof. Background technique [0002] Water-based paint, also known as latex paint, is a water-dispersible paint. It is based on synthetic resin emulsion, and the filler is refined by adding various additives after grinding and dispersing. After painting, it will coalesce into a film as the water evaporates and dries. It has many advantages different from traditional wall coatings, such as easy to paint, fast drying, water-resistant paint film, good scrub resistance, etc. It has gradually replaced the paint that uses organic solvents as diluents, and has become the mainstream product in paint. [0003] At present, ordinary water-based paints generally do not have antibacterial and anti-mildew functions, and the structure of the film after film formation is not strong enough, easy to scratch, easy to precipitate, and difficult...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/14C09D7/61C09D7/45C09D5/02
CPCC09D5/024C09D5/14C09D7/40C09D7/45C09D7/70
Inventor 廖道权林道宏
Owner HUIZHOU HUANMEISHENG NEW MATERIAL CO LTD
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