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Preparation method of layered unsaturated silver-zinc-copper-loaded composite antibacterial antiviral agent

A compound antibacterial and unsaturated technology, applied in the fields of botanical equipment and methods, disinfectants, chemicals used for biological control, etc., can solve the problems of insufficient antiviral performance and poor stability, and achieve easy oxidation and discoloration. , long service life, enhanced broad-spectrum effect

Active Publication Date: 2021-02-09
上海聚治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

[0007] The object of the present invention is to provide a method for preparing a composite antibacterial and antiviral material with unsaturated loading of silver, zinc and copper ions on a layered material aiming at the shortcomings of existing antibacterial and antiviral materials such as insufficient antiviral performance and insufficient stability.

Method used

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  • Preparation method of layered unsaturated silver-zinc-copper-loaded composite antibacterial antiviral agent
  • Preparation method of layered unsaturated silver-zinc-copper-loaded composite antibacterial antiviral agent
  • Preparation method of layered unsaturated silver-zinc-copper-loaded composite antibacterial antiviral agent

Examples

Experimental program
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Effect test

Embodiment 1

[0030]Take by weighing inorganic silver salt, zinc salt, copper salt, modifier, complexing agent and solvent (silver salt is silver nitrate; Zinc salt is zinc chloride; Copper salt is copper sulfate; Solvent is deionized water; Silver salt and The mass ratio of the solvent is 1:1; the mass ratio of the silver salt to the zinc salt is 1:0.01; the mass ratio of the silver salt to the copper salt is 1:0.01; the modifier is aminotriacetic acid; the complexing agent is benzo- 15-crown ether-5, the mass ratio of silver salt, complexing agent and modifier is 1:0.01:0.01), at first silver salt, zinc salt, copper salt, complexing agent and modifier are added in the solvent, Adopting ultrasonic (power is 1000W) assisted high-speed shearing (rotating speed is 5000 rev / min, treatment time is 0.5h) stirring mode is carried out modification to metal ion, obtains modified metastable complexed silver-zinc-copper ion solution; The two-dimensional nano-layered material (the two-dimensional nano...

Embodiment 2

[0032] Take by weighing inorganic silver salt, zinc salt, copper salt, modifier, complexing agent and solvent (silver salt is silver chlorate; Zinc salt is zinc carbonate; Copper salt is cupric chloride; Solvent is ethanol; Silver salt and solvent The mass ratio of silver salt and zinc salt is 1:20; the mass ratio of silver salt and copper salt is 1:30; the modifier is potassium sodium tartrate; the complexing agent is diethylenetriamine Pentaacetic acid, the mass ratio of silver salt, complexing agent and modifier is 1:50:50), at first silver salt, zinc salt, copper salt, complexing agent and modifier are added in the solvent, adopt ultrasonic (power 3000W) assisted high-speed shearing (rotating speed is 15000 rpm, treatment time is 3h) stirring mode to modify the metal ions to obtain a modified metastable complexed silver-zinc-copper ion solution; the two-dimensional nano-layered The material (the two-dimensional nano-layered material is graphite-like carbon nitride. The mas...

Embodiment 3

[0034] Take by weighing inorganic silver salt, zinc salt, copper salt, modifier, complexing agent and solvent (silver salt is silver bicarbonate; Zinc salt is zinc acetate; Copper salt is copper nitrate; Solvent is Virahol; Silver salt and The mass ratio of the solvent is 1:300; the mass ratio of the silver salt to the zinc salt is 1:5; the mass ratio of the silver salt to the copper salt is 1:2; the modifier is dithizone; the complexing agent is PN methylol Sodium base sulfonate, the mass ratio of silver salt, complexing agent and modifier is 1:100:100), at first silver salt, zinc salt, copper salt, complexing agent and modifier are added in the solvent, adopt ultrasonic (Power is 8000W) Auxiliary high-speed shearing (rotational speed is 30000 rev / min, treatment time is 10h) stirs the way to modify the metal ion, obtains the modified metastable state complexed silver-zinc-copper ion solution; the two-dimensional nano The layered material (the two-dimensional nano-layered mate...

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Abstract

The invention relates to a preparation method of a layered unsaturated silver-zinc-copper-loaded composite antibacterial antiviral material. The preparation method comprises the following steps: weighing a silver salt, a zinc salt, a copper salt, a modifier, a complexing agent and a solvent, and modifying and complexing metal ions by adopting ultrasonic-assisted high-speed shearing and stirring toprepare metastable complex silver-zinc-copper composite ions; then carrying out stirring and dispersing, adsorbing the metastable complex silver-zinc-copper composite ions to interlayers of a two-dimensional nanometer layered material through unsaturated adsorption, then adding the material into a supercritical reaction kettle, and pressing carbon dioxide into the reaction kettle by using a high-pressure pump; and controlling the pressure and the temperature of the reaction kettle, subjecting a supercritical fluid to rapid pressure relief through a nozzle, and successively conducting centrifugation, drying and crushing to obtain the layered unsaturated silver-zinc-copper-loaded composite antibacterial antiviral material. The composite antibacterial antiviral material prepared by the method has the advantages of good heat resistance, high safety and the like, can be used for preparing antibacterial and antiviral polyester, nylon and other fibers, can be blended with tencel, combed cotton and the like, and is widely applicable to the fields of underwear, sports coats, home textiles and the like, comfortable in fabric hand feeling and strong in antibacterial and antiviral functions.

Description

technical field [0001] The invention belongs to the field of nanometer preparation, and in particular relates to a method for preparing an unsaturated loaded silver-zinc-copper composite antibacterial and antiviral layered material. Background technique [0002] With the development of modern society, people have higher and higher requirements for the quality of life, which has also led to the attention of the general public to bacteria and viruses that are ubiquitous in life. Especially in the context of the new crown pneumonia raging around the world in 2020, people's demand for antibacterial and antiviral products is increasing. In daily life, in addition to the new coronavirus, bacterial viruses such as influenza virus, Escherichia coli, and Staphylococcus aureus also pose a huge threat to people's life and health. Antiviral materials have become an urgent problem for cash. [0003] At present, the commonly used antibacterial materials include inorganic antibacterial m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/20A01N59/16A01N25/08A01P1/00
CPCA01N59/20A01N59/16A01N25/08
Inventor 张春明冉伟李章鹏
Owner 上海聚治新材料科技有限公司
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