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A kind of water-based antibacterial wood varnish and its preparation method and application

A wood paint, water-based technology, applied in the field of coatings, can solve the problems of low solid content, low hardness, poor scratch resistance, etc., achieve excellent antibacterial performance, improve stability, and improve the surface hardness of the paint film.

Inactive Publication Date: 2018-09-14
佛山市面面佳水性漆业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the defects of its low hardness, poor scratch resistance and low solid content, the wide application of water-based antibacterial wood coatings has been greatly challenged, especially the application in high-end furniture is greatly restricted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The water-based antibacterial wood varnish of the present embodiment is prepared through the following preparation steps:

[0028] (1) In terms of mass percentage, in the first reactor, add 40% nano-boehmite, 18% mercaptoethanol and 33% n-propanol, at a speed of 200 rpm, in a nitrogen atmosphere, in React at room temperature for 2 hours; then, add 9% 3-aminopropyltrimethoxysiloxane, react at 80°C for 3 hours at a speed of 500 rpm in a nitrogen atmosphere, and cool to room temperature to obtain the modified Sexual nano boehmite slurry, standby;

[0029] (2) In terms of mass percentage, in the second reactor, add 40% nano-silver powder, 52% ethanol and 8% poloxamer, and react at 50°C for 1 hour at a speed of 1500 rpm. After being cooled to room temperature, the modified nano-silver solution is obtained for subsequent use;

[0030](3) In the third reaction kettle, add 9% of the modified nano-boehmite slurry prepared in step (1), 0.5% of the modified nano-silver solution ...

Embodiment 2

[0037] The water-based antibacterial wood varnish of the present embodiment is prepared through the following preparation steps:

[0038] (1) In terms of mass percentage, in the first reactor, add 40% nano-boehmite, 15% mercaptoethanol and 36% n-propanol, at a speed of 200 rpm, in a nitrogen atmosphere, in React at room temperature for 2 hours; then, add 9% 3-aminopropyltrimethoxysiloxane, react at 80°C for 3 hours at a speed of 500 rpm in a nitrogen atmosphere, and cool to room temperature to obtain the modified Sexual nano boehmite slurry, standby;

[0039] (2) In terms of mass percentage, in the second reaction kettle, add 50% nano-silver powder, 40% ethanol and 10% poloxamer, and react at 50°C for 1 hour at a speed of 1500 rpm. After being cooled to room temperature, the modified nano-silver solution is obtained for subsequent use;

[0040] (3) In the third reaction kettle, add 9% of the modified nano-boehmite slurry prepared in step (1), 0.5% of the modified nano-silver...

Embodiment 3

[0047] The water-based antibacterial wood varnish of the present embodiment is prepared through the following preparation steps:

[0048] (1) In terms of mass percentage, in the first reactor, add 30% nano-boehmite, 10% mercaptoethanol and 55% n-propanol, at a speed of 200 rpm, in a nitrogen atmosphere, in React at room temperature for 2 hours; then, add 5% 3-aminopropyltrimethoxysiloxane, react at 80°C for 3 hours at a speed of 500 rpm in a nitrogen atmosphere, and cool to room temperature to obtain the modified Sexual nano boehmite slurry, standby;

[0049] (2) In terms of mass percentage, in the second reaction kettle, add 30% nano-silver powder, 65% ethanol and 5% poloxamer, and react at 50°C for 1 hour at a speed of 1500 rpm. After being cooled to room temperature, the modified nano-silver solution is obtained for subsequent use;

[0050] (3) By mass percentage, in the third reaction kettle, add 5% of the modified nano-boehmite slurry prepared in step (1), 0.2% of the m...

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Abstract

The invention belongs to the technical field of paints, and particularly discloses a water-based antimicrobial wood paint, and a preparation method and application thereof. The water-based antimicrobial wood paint is prepared from 5-20% of modified nano boehmite slurry, 0.2-1% of modified nano silver solution, 40-65% of deionized water, 2-5% of sodium dodecyl benzene sulfonate, 5-10% of methyl methacrylate, 0.05-0.15% of ammonium persulfate, 3-8% of methylacryloyloxypropyltrimethoxy silane, 2-5% of 2-hydroxyethyl acrylate, 0.5-1% of acrylic acid, 9-20% of styrene, 5.5-10% of butyl acrylate, 0.25-0.5% of potassium persulfate, 0.1-0.2% of defoaming agent, 0.4-0.6% of thickener and 2-5% of film forming aid. The modified nano boehmite slurry and modified nano silver solution are added to obtain the water-based antimicrobial wood paint with excellent stability, excellent paint film surface hardness and excellent mold resistance.

Description

technical field [0001] The invention belongs to the technical field of coatings, and relates to a water-based wood varnish, in particular to a water-based antibacterial wood varnish and a preparation method and application thereof. Background technique [0002] With the promulgation of various national environmental protection policies and the improvement of people's environmental protection awareness, non-toxic and harmless water-based wood lacquers have sprung up like mushrooms. Water-based wood lacquer is a special coating with water as the dispersion medium. It does not contain harmful substances such as benzene, xylene and free toluene diisocyanate. , very little volatile matter, non-flammable and non-explosive, non-yellowing, large painting area, and the same day you can move in on the same day of painting, etc. However, the film hardness of water-based antibacterial wood lacquer is not high, mostly between 1H and 3H. For example, patent CN104762012A discloses an envi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14C09D7/62C09D7/65C09D5/14C08F212/08C08F220/18C08F230/08C08F220/28C08F220/06
CPCC08F212/08C08K2201/011C08L2205/03C09D5/14C09D125/14C08L83/12C08L1/28C08K13/06C08K9/06C08K2003/2227C08K9/04C08K2003/0806C08F220/1804C08F230/08C08F220/281C08F220/06
Inventor 胡云睿陈嘉
Owner 佛山市面面佳水性漆业有限公司