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Durable anti-virus antibacterial liquid of graphene composite silver ions

A graphene composite, silver ion technology, applied in the direction of bactericides, biocides, disinfectants, etc., can solve problems such as damage to the biological activity of microorganisms, and achieve effective and durable effects

Inactive Publication Date: 2021-02-09
深圳中汇新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Observation under SEM shows that although the microbial shell is not destroyed, there is disturbance, which can damage the biological activity of microorganisms. Therefore, a durable anti-virus and antibacterial solution of graphene composite silver ions is proposed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Step 1, add 70% water, 15% modified graphene nano-silver and 15% modified graphene to the reactor, heat the reactor to 80°C and stir the mixed solution at a constant speed, and continuously add nano-titanium dioxide during the stirring process, After froth appears at the upper end of the solution, lower the heating temperature to 70°C and continue to skim off the froth until it completely disappears;

[0018] Step 2: Leave the mixed solution that takes out the froth to stand still, add biquaternary ammonium salt and PPG-26-butanol-26 in 3 times every 1h during the standstill process and stir at a constant speed for 10min;

[0019] Step 3: ultrasonically disperse the prepared solution for 15 minutes to obtain an antibacterial liquid, add edible gum to the antibacterial liquid and mix at a rate of 0.5% / min, and adjust the pH to be greater than 7.5.

[0020] Step 4: Mix the antibacterial liquid after pH adjustment with water at a ratio of 1:3 to prepare a graphene-composit...

Embodiment 2

[0022] Step 1, add 80% water, 10% modified graphene nano-silver and 10% modified graphene to the reactor, heat the reactor to 120°C and stir the mixed solution at a constant speed, and continuously add nano-titanium dioxide during the stirring process, After froth appears at the upper end of the solution, lower the heating temperature to 85°C and continue to skim off the froth until it completely disappears;

[0023] Step 2: Stand still the mixed solution that takes out the froth, add biquaternary ammonium salt and lactic acid in 3 times every 1h during the standing process and stir at a constant speed for 10min;

[0024] Step 3: ultrasonically disperse the prepared solution for 30 minutes to obtain an antibacterial liquid, add edible gum to the antibacterial liquid and mix at a rate of 0.5% / min, and adjust the pH to be greater than 7.5.

[0025] Step 4: Mix the antibacterial liquid after pH adjustment with water at a ratio of 1:9 to prepare a graphene-composite silver ion dur...

Embodiment 3

[0027] Step 1, add 80% water, 10% modified graphene nano-silver and 10% modified graphene to the reactor, heat the reactor to 120°C and stir the mixed solution at a constant speed, and continuously add nano-titanium dioxide during the stirring process, After froth appears at the upper end of the solution, lower the heating temperature to 85°C and continue to skim off the froth until it completely disappears;

[0028] Step 2: The mixed solution that takes out froth is left standstill, adds biquaternary ammonium salt and sodium lactate 3 times every 3h and stirs at a constant speed for 10min during the standstill process;

[0029] Step 3: ultrasonically disperse the prepared solution for 30 minutes to obtain an antibacterial liquid, add edible gum to the antibacterial liquid and mix at a rate of 0.5% / min, and adjust the pH to be greater than 7.5.

[0030] Step 4, mix the antibacterial liquid after pH adjustment with water at a ratio of 1:6 to prepare a graphene-composite silver ...

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Abstract

The invention provides a durable anti-virus antibacterial liquid of graphene composite silver ions. The durable antivirus antibacterial liquid is prepared by heating, stirring and standing nano silver, modified graphene, nano titanium dioxide and quaternary ammonium salt. The durable antivirus antibacterial liquid obtained after treatment of the preparation process has no biotoxicity, has no harmto human health and environment, can be used as an air disinfectant, and can also be directly sprayed on the surfaces of skin and clothes according to different subdivided products; the durable antivirus antibacterial liquid is safe and environment-friendly, does not contain a strong oxidant, is non-combustible and non-explosive, and has no pollution to the environment; the effective persistence is strong, no drug resistance is caused, and 24-hour continuous sterilization can be realized after one-time spraying; and the antibacterial liquid can completely replace the existing disinfection product mainly containing a strong oxidant or alcohol.

Description

technical field [0001] The invention relates to the technical field of antivirus and antibacterial liquid, in particular to a graphene-composited silver ion durable anti-virus and antibacterial liquid. Background technique [0002] Modified graphene as a bactericidal material has been studied a lot at home and abroad, and its bactericidal principles mainly focus on the following points: nano-knife theory, oxidative stress and encapsulation, and its main target substances or molecules are DNA / RNA and proteins and phospholipid molecules on cell membranes. The theoretical basis of the nanoknife is that graphene oxide flakes have a thickness of 0.35nm, and their sharp edges can cause damage to cell membranes or damage DNA / RNA in cells. A large number of scholars have obtained dynamic simulations of the process of graphene nanosheets passing through the cell membrane through experiments. In this process, the graphene material plays the role of a nanoknife. In addition, the mon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/00A01N59/16A01N33/12A01N25/22A01P1/00A01P3/00
CPCA01N25/22A01N33/12A01N59/00A01N59/16
Inventor 张晓穗
Owner 深圳中汇新材料科技有限公司
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