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An antibacterial, antiviral, high and low temperature resistant, moisture and corrosion resistant coating

A corrosion-resistant coating, high and low temperature resistant technology, applied in the field of antibacterial coatings, to achieve excellent chemical resistance, low VOC, and good performance

Active Publication Date: 2020-11-24
上海超铠新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The floor is the part of the ground floor room in contact with the soil layer. It bears the load of the ground floor room. It requires a certain strength and rigidity, and has the properties of moisture-proof, water-proof, warm-keeping, and wear-resistant. With the improvement of people's living standards, for The ground engineering of different buildings puts forward higher requirements, such as the hospital ground, which needs to have antibacterial and antiviral properties to cope with the special microbial environment of the hospital, especially when the country encounters an outbreak, the rapid establishment of infectious disease hospitals requires antibacterial Anti-virus and easy-to-construct ground coatings; chemical workshops and laboratory floors need to meet corrosion resistance and other requirements; parking lots and driveway floors need to have high wear resistance, high flexural resistance, and high compression resistance. There is no ground coating that can meet various occasions and have multiple functions on the market

Method used

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  • An antibacterial, antiviral, high and low temperature resistant, moisture and corrosion resistant coating
  • An antibacterial, antiviral, high and low temperature resistant, moisture and corrosion resistant coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1 provides an antibacterial, antiviral, high-low temperature, moisture-resistant, and corrosion-resistant coating. The preparation raw materials include 32wt% cement, 38.4wt% sand, 0.05wt% nano-silver, 10wt% isocyanate, and the balance is water.

[0040] The sand is quartz sand, including coarse sand with a fineness modulus of 3.4, medium sand with a fineness modulus of 2.5, and fine sand with a fineness modulus of 1.8; the weight of the coarse sand, medium sand, and fine sand The ratio is 5:3:1.

[0041] The isocyanate is polydiphenylmethane diisocyanate, the brand is BASF Lupranate M 20S, its NCO content is 31.2wt%, and its viscosity is 200mPa·s (25°C).

Embodiment 2

[0043]Example 2 provides an antibacterial, antiviral, high-low temperature, moisture-resistant, and corrosion-resistant coating. The preparation raw materials include 32wt% cement, 38.4wt% sand, 0.05wt% nano-silver, 10wt% isocyanate, and the balance is water.

[0044] The sand is quartz sand, including coarse sand with a fineness modulus of 3.4 and fine sand with a fineness modulus of 1.8; the weight ratio of the coarse sand, medium sand, and fine sand is 5:4.

[0045] The isocyanate is polydiphenylmethane diisocyanate, the brand is BASF Lupranate M 20S, its NCO content is 31.2wt%, and its viscosity is 200mPa·s (25°C).

Embodiment 3

[0047] Embodiment 3 provides an antibacterial, antiviral, high-low temperature, moisture-resistant, and corrosion-resistant coating. The preparation raw materials include 32wt% cement, 38.4wt% sand, 0.05wt% nano-silver, 10wt% isocyanate, and the balance is water.

[0048] The sand is quartz sand, including coarse sand with a fineness modulus of 3.4, medium sand with a fineness modulus of 2.5, and fine sand with a fineness modulus of 1.8; the weight of the coarse sand, medium sand, and fine sand The ratio is 5:2:2.

[0049] The isocyanate is polydiphenylmethane diisocyanate, the brand is BASF Lupranate M 20S, its NCO content is 31.2wt%, and its viscosity is 200mPa·s (25°C).

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Abstract

The invention discloses an antibacterial, antiviral, high-low-temperature-resistant, moisture-resistant and corrosion-resistant coating. The antibacterial, antiviral, high-low-temperature-resistant, moisture-resistant and corrosion-resistant coating is prepared from the following raw materials: cement, sand, nano-silver, isocyanate and water. The coating is suitable for the surfaces of various base materials; the chemical resistance is excellent; through modification of an inorganic cementing material, the coating can maintain good performance at a high temperature of 160 DEG C and an ambienttemperature between -50 DEG C, has antibacterial and antiviral effects through addition of nano-silver, is especially suitable for hospitals and other occasions, has extremely low VOC, and has a wideapplication prospect.

Description

technical field [0001] The invention relates to the field of antibacterial coatings, in particular to an antibacterial, antiviral, high and low temperature resistant, moisture and corrosion resistant coating. Background technique [0002] The floor is the part of the ground floor room in contact with the soil layer. It bears the load of the ground floor room. It requires a certain strength and rigidity, and has the properties of moisture-proof, water-proof, warm-keeping, and wear-resistant. With the improvement of people's living standards, for The ground engineering of different buildings puts forward higher requirements, such as the hospital ground, which needs to have antibacterial and antiviral properties to cope with the special microbial environment of the hospital, especially when the country encounters an outbreak, the rapid establishment of infectious disease hospitals requires antibacterial Anti-virus and easy-to-construct ground coatings; chemical workshops and la...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B111/20C04B111/27
CPCC04B28/00C04B2111/00508C04B2111/00525C04B2111/00534C04B2111/20C04B2111/2092C04B2111/27C04B14/324C04B14/06C04B22/04C04B24/125
Inventor 刘恩渤田小萍刘锡涛
Owner 上海超铠新材料有限公司
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