A kind of antibacterial putty powder

A technology of putty powder and antibacterial agent is applied in the field of antibacterial putty powder, which can solve the problems of mold on the wall, affecting the appearance of the wall and environmental health, and the antibacterial performance of the antibacterial putty powder is kept for a short time, so as to maintain the antibacterial performance for a long time and maintain the beautiful appearance. and environmental health effects

Active Publication Date: 2018-02-09
SHENZHEN ZHONGZHUANG CONSTR GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in humid weather, the wall surface is prone to damp, and bacteria will grow after a long time, causing mold on the wall surface, affecting the appearance of the wall surface and environmental health. However, putty powder with antibacterial function is still rare in the market at present. The antibacterial properties of the powder are kept for a short time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] An antibacterial putty powder, which is prepared from the following components according to the weight ratio range shown: heavy calcium carbonate: 46%, talcum powder: 13.5%, double fly powder: 19.5%, modified starch: 7%, hydroxypropyl methyl Cellulose: 4.2%, N,N-dimethylaminoethyl polymethacrylate: 1.2%, inorganic silver-based antibacterial agent: 6.4%, dispersant: 2.2%.

[0022] In addition, the fineness of the talcum powder is 45 μm.

[0023] Moreover, the molecular weight of the poly-N,N-dimethylaminoethyl methacrylate is 7500 g / mol.

[0024] Meanwhile, the inorganic silver-based antibacterial agent is silver sol.

[0025] Furthermore, the silver sol is prepared by a chemical reduction method.

Embodiment 2

[0027] An antibacterial putty powder, which is prepared by the following components according to the weight ratio range shown: heavy calcium carbonate: 40%, talcum powder: 15%, double fly powder: 23.5%, modified starch: 5%, hydroxypropyl methyl Cellulose: 0.5%, N,N-dimethylaminoethyl polymethacrylate: 5%, inorganic silver-based antibacterial agent: 10%, dispersant: 1%.

[0028] In addition, the fineness of the talc powder is 40 μm.

[0029] Moreover, the molecular weight of the poly-N,N-dimethylaminoethyl methacrylate is 5000 g / mol.

[0030] Meanwhile, the inorganic silver-based antibacterial agent is silver sol.

[0031] Furthermore, the silver sol is prepared by a chemical reduction method.

Embodiment 3

[0033] An antibacterial putty powder, which is prepared from the following components according to the weight ratio range shown: heavy calcium carbonate: 50%, talcum powder: 12%, double fly powder: 18%, modified starch: 8%, hydroxypropyl methyl Cellulose: 4.8%, N,N-dimethylaminoethyl polymethacrylate: 0.2%, inorganic silver-based antibacterial agent: 3%, dispersant: 4%.

[0034] In addition, the fineness of the talc powder is 50 μm.

[0035] Moreover, the molecular weight of the poly-N,N-dimethylaminoethyl methacrylate is 10000 g / mol.

[0036] Meanwhile, the inorganic silver-based antibacterial agent is silver sol.

[0037] Furthermore, the silver sol is prepared by a chemical reduction method.

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PUM

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Abstract

An antibacterial putty powder according to the present invention comprises the following components: heavy calcium carbonate, talcum powder, double fly powder, modified starch, hydroxypropyl methylcellulose, polymethacrylic acid N,N-dimethylamino Ethyl ester, inorganic silver-based antibacterial agent and dispersant. When in use, N, N-dimethylaminoethyl methacrylate is in a swollen state after being dissolved in water, which can wrap the silver ions in the inorganic silver-based antibacterial agent and release it slowly. The putty powder is green and environmentally friendly, and has antibacterial properties , and the antibacterial performance remains long-lasting, maintaining the beauty of the wall and the health of the environment.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an antibacterial putty powder. Background technique [0002] Putty powder is a kind of surface flat powder material that is pretreated on the construction surface before the paint construction. The main purpose is to fill the gaps in the construction surface and correct the curve deviation of the construction surface, laying a good foundation for obtaining a uniform and smooth paint surface. . [0003] Putty is generally composed of base material, filler, water and additives. [0004] Base material, also known as binder, is the most critical component of putty, which mainly plays various roles such as bonding. The most commonly used binders for putty are cement and organic polymers, and organic polymers can be divided into emulsion and latex powder. Cement is a cohesive, durable and cost-effective binder, but has poor tensile strength and crack resistance. Organic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/34
Inventor 和晓刚
Owner SHENZHEN ZHONGZHUANG CONSTR GRP CO LTD
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