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A kind of high-strength antibacterial and water-resistant environment-friendly putty powder and preparation method thereof

A kind of putty powder, an environment-friendly technology, applied in the direction of filling slurry, etc., can solve the problems of easy-to-grow mildew, poor water resistance, low adhesion, etc., to prevent wall cracking, improve construction performance, and excellent adsorption capacity Effect

Active Publication Date: 2019-07-26
杭州柏科立新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing putty powder has low adhesion, poor water resistance and is prone to bacteria and mildew

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A high-strength antibacterial and water-resistant environment-friendly putty powder and a preparation method thereof:

[0023] A. In parts by weight, weigh 4 parts of chitosan modified by 2,3-epoxypropyltrimethylammonium chloride and put it into a pulverizer to pulverize to obtain pulverized material for use.

[0024] B. In parts by weight, weigh 25 parts of diatomaceous earth and put it into a pulverizer to pulverize to obtain pulverized materials for use.

[0025] C, in parts by weight, take by weighing 600 parts of heavy calcium carbonate, 200 parts of gray calcium powder, 200 parts of white cement and 15 parts of redispersible latex powder and put them into a mixer, and stir for 5min at a speed of 5000r / min to obtain Mixture.

[0026] D, in parts by weight, the pulverized material obtained in step A, the pulverized material obtained in step B and the mixture obtained in step C are mixed with 20 parts of bentonite, 15 parts of nano titanium dioxide, 4 parts of ligno...

Embodiment 2

[0029] A high-strength antibacterial and water-resistant environment-friendly putty powder and a preparation method thereof:

[0030] A. In parts by weight, take 5 parts of 2,3-epoxypropyltrimethylammonium chloride modified chitosan and put it into a pulverizer to pulverize to obtain pulverized material for use.

[0031] B. In parts by weight, weigh 20 parts of diatomaceous earth and put it into a pulverizer to pulverize to obtain pulverized material for use.

[0032] C, in parts by weight, take by weighing 550 parts of heavy calcium carbonate, 250 parts of gray calcium powder, 200 parts of white cement and 25 parts of redispersible latex powder and put them into a mixer, and stir for 5min at a speed of 5000r / min to obtain Mixture.

[0033] D, in parts by weight, the pulverized material obtained in step A, the pulverized material obtained in step B and the mixture obtained in step C are mixed with 25 parts of bentonite, 20 parts of nanometer titanium dioxide, 5 parts of ligno...

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PUM

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Abstract

The invention relates to environment-friendly putty powder with high strength, bacterium inhibition and water resistance and a preparation method thereof. The putty powder is prepared from the following main raw materials: ground calcium carbonate, ash calcium powder, white cement, redispersible latex powder, modified chitosan, bentonite, diatomaceous earth, nano-titanium dioxide, lignocellulose and hydroxypropyl methyl cellulose. The putty powder has excellent adsorption capability and water resistance, and also has good caking property and permeability; organic and inorganic components are closely combined to reinforce the adhesive force of putty to the wall face, the contraction rate after the putty is dried can be reduced, and wall face cracking can be avoided. The putty powder has strong antibacterial property by adding the modified chitosan and nano-titanium dioxide, can be used for preventing mildew growth and inhibiting bacterium breeding, has high construction performance since the bentonite and diatomaceous earth are added to absorb moisture and moisturize, has excellent adsorbability to adsorb harmful substances and purify air, and provides a healthy living environment to people.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a high-strength antibacterial and water-resistant environment-friendly putty powder for walls and a preparation method thereof. Background technique [0002] Putty is a building decoration material that smooths the surface of the wall. It is a thick paste paint and an indispensable product before the paint is painted. The purpose of applying putty is to fill the pores and depressions on the construction surface and correct the curve deviation of the construction surface, so as to lay a good foundation for obtaining a smooth and uniform paint surface. Therefore, it is required that the putty powder should have good cohesiveness and water resistance to ensure that it will not appear peeling, hollowing, cracking and mildew under the long-term erosion of water vapor in the air, and play a decorative and protective role. However, the existing putty powder has low adhesiven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/34
CPCC09D5/34
Inventor 唐艳军王小宇
Owner 杭州柏科立新材料有限公司