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Antibacterial and antiviral slurry as well as preparation method and application thereof

An antiviral and slurry technology, applied in the field of materials, can solve the problems of high toxicity, short duration, poor antibacterial and antiviral effects, etc., and achieve the effects of low biological toxicity, long duration, and improved use safety.

Inactive Publication Date: 2021-12-31
深圳市力合云记新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to provide an antibacterial and antiviral slurry and its preparation method, as well as an antibacterial and antiviral product, aiming to solve the problem of short timeliness, high toxicity and poor antibacterial and antiviral effect of existing environmental antibacterial and antiviral methods to a certain extent. good question

Method used

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  • Antibacterial and antiviral slurry as well as preparation method and application thereof
  • Antibacterial and antiviral slurry as well as preparation method and application thereof
  • Antibacterial and antiviral slurry as well as preparation method and application thereof

Examples

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preparation example Construction

[0055] The second aspect of the embodiment of the present application provides a method for preparing antibacterial and antiviral slurry, comprising the following steps:

[0056] S10. preparing antibacterial polypeptide;

[0057] S20. Mixing the antibacterial polypeptide with metal nanowires, additives and solvents to obtain an antibacterial and antiviral slurry.

[0058] The preparation method of the antibacterial and antiviral slurry provided in the second aspect of the embodiment of the present application is to prepare the antibacterial polypeptide and mix it with metal nanowires, additives and solvents to obtain the antibacterial and antiviral slurry. The preparation method is simple to operate and the conditions are mild. It is suitable for Industrialized mass production and application. The prepared antibacterial and antiviral slurry contains metal nanowires and antibacterial polypeptides at the same time, and has good antibacterial and antiviral effects. The antivira...

Embodiment 1

[0079] An antibacterial and antiviral plate, comprising the following preparation steps:

[0080] The first step is to prepare antibacterial peptides:

[0081] Through the polypeptide solid-phase synthesizer, according to the amino acid sequence of SEQ ID NO: 1, Asp-Cys-Tyr-Cys-Arg-Ile-Pro-Ala-Cys-Ile-Ala-Gly-Glu-Arg-Arg-Thr-Lys- Pro-Arg adds corresponding amino acids in sequence, and after washing, dialysis and freeze-drying, the antibacterial polypeptide solid material is obtained.

[0082] The second step is to prepare antibacterial and antiviral slurry:

[0083] Weigh 0.2g of silver nanowires and add them to 50mL of water to disperse evenly, then continue to add 0.01g of the antibacterial polypeptide prepared in the first step, 0.05g of water-based polyurethane, 0.5g of polyethylene glycol surfactant, and 1.5g of ethyl cellulose thickener , 0.15g epoxy silane coupling agent, finally add water to a total weight of 100g, mix evenly to obtain antibacterial and antiviral wat...

Embodiment 2

[0087] An antibacterial and antiviral glass comprises the following preparation steps:

[0088] The first step is to prepare antibacterial peptides:

[0089] Through the polypeptide solid-phase synthesizer, according to the amino acid sequence of SEQ ID NO: 1, Asp-Cys-Tyr-Cys-Arg-Ile-Pro-Ala-Cys-Ile-Ala-Gly-Glu-Arg-Arg-Thr-Lys- Pro-Arg adds corresponding amino acids in sequence, and after washing, dialysis and freeze-drying, the antibacterial polypeptide solid material is obtained.

[0090] The second step is to prepare antibacterial and antiviral slurry:

[0091] Weigh 0.5g of copper nanowires into 50mL of water to disperse evenly, continue to add 0.03g of antibacterial polypeptide prepared in the first step, 0.1g of anionic water-based polyurethane, 1g of sodium dodecylbenzenesulfonate surfactant, 1.5g of ethyl Cellulose thickener, 0.3g vinyl silane coupling agent, and finally add water to a total weight of 100g, and mix evenly to obtain an antibacterial and antiviral wate...

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Abstract

The invention belongs to the technical field of materials, and particularly relates to antibacterial and antiviral slurry and a preparation method thereof, and an antibacterial and antiviral product. The antibacterial and antiviral slurry comprises antibacterial polypeptide, metal nanowires, a solvent and an auxiliary agent. The antibacterial and antiviral slurry provided by the invention simultaneously contains the components such as the metal nanowires, the antibacterial polypeptide and the auxiliary agent, has broad-spectrum sterilization and antibacterial effects, can kill germs in the environment in time, and has good antibacterial and sterilization effects. The antibacterial and antiviral slurry has an antibacterial rate of greater than 99% for escherichia coli, staphylococcus aureus and streptococcus albus, and has antiviral activity of greater than 99% to novel coronavirus and influenza A virus. The antibacterial and antiviral slurry is long in antibacterial and antiviral time efficiency, small in toxic and side effects and environment-friendly.

Description

technical field [0001] The application belongs to the technical field of materials, and in particular relates to an antibacterial and antiviral slurry and a preparation method thereof, and an antibacterial and antiviral product. Background technique [0002] The novel coronavirus pneumonia caused by coronavirus has attracted global attention, and the causative agent was identified as SARS-CoV-2. Since the outbreak of COVID-19 at the end of 2019, it has posed a serious threat to global public health and has had a fundamental and far-reaching impact on global life and economy. Controlling / preventing the spread of COVID-19 has become the top priority at present. Public places, including public transportation, hotels, medical and health institutions, etc., have the characteristics of dense flow of people and small spaces, which increases the difficulty of preventing and controlling the "environmental transmission" of viruses. According to reports, the new coronavirus can exist ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/34A01N37/46A01N59/16A01N59/20A01P1/00A01P3/00C07K14/00C07K1/04C09D5/14
CPCA01N25/34A01N37/46A01N59/16A01N59/20C07K14/00C09D5/14
Inventor 赵祖珍刘伟强王松
Owner 深圳市力合云记新材料有限公司
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