CN111501337A - Manufacturing method of nano-silver disinfection and antibiosis single-layer material and protective clothing made of nano-silver disinfection and antibiosis single-layer material - Google Patents

Manufacturing method of nano-silver disinfection and antibiosis single-layer material and protective clothing made of nano-silver disinfection and antibiosis single-layer material Download PDF

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CN111501337A
CN111501337A CN202010462404.8A CN202010462404A CN111501337A CN 111501337 A CN111501337 A CN 111501337A CN 202010462404 A CN202010462404 A CN 202010462404A CN 111501337 A CN111501337 A CN 111501337A
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silver
nano
disinfection
layer material
antibiosis
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雷震
赵明诗
余雪玲
全晓冬
丁轶
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Zhuhai Nanometals Technology Co ltd
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Zhuhai Nanometals Technology Co ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/12—Surgeons' or patients' gowns or dresses
    • A41D13/1209—Surgeons' gowns or dresses
    • A41D13/1218—Surgeons' gowns or dresses with head or face protection
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/12—Hygroscopic; Water retaining
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/14—Air permeable, i.e. capable of being penetrated by gases
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/30—Antimicrobial, e.g. antibacterial
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
    • D06M11/64—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
    • D06M11/65—Salts of oxyacids of nitrogen
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention provides a method for manufacturing a nano-silver disinfection and antibiosis single-layer material and protective clothing thereof, the method comprises the step S1 of preparing raw materials, wherein the raw materials are provided and processed into nano-silver particles, the step S2 of preparing composite emulsion comprises the steps of adding the nano-silver ion solution prepared in the step S1 into 90 g/L waterborne polyurethane according to a proportion, dispersing the solution uniformly by ultrasonic waves, adding 3% of photoinitiator and 2% of penetrating agent, stirring the solution uniformly to form the nano-silver/waterborne polyurethane composite emulsion, the step S3 of padding comprises the steps of padding base cloth in the nano-silver/waterborne polyurethane composite emulsion, drying the base cloth at a preset temperature, and the step S4 of curing, wherein the base cloth treated in the step S3 is subjected to ultraviolet curing to obtain the nano-silver disinfection and antibiosis single-layer material.

Description

Manufacturing method of nano-silver disinfection and antibiosis single-layer material and protective clothing made of nano-silver disinfection and antibiosis single-layer material
Technical Field
The invention relates to the technical field of protective materials, in particular to a method for manufacturing a nano-silver disinfection antibacterial single-layer material and protective clothing made of the nano-silver disinfection antibacterial single-layer material.
Background
With the occurrence of diseases transmitted by pathogens such as escherichia coli, klebsiella pneumoniae, staphylococcus aureus, H1N1 and the like through body fluid, the occupational safety of medical care personnel draws more and more attention from people, and in order to prevent cross infection between doctors and patients, the use of protective clothing with the functions of disinfection, antibiosis and the like is concerned.
At present, protective clothing in the market has two structures, namely a single-layer structure and a multiple-layer structure, wherein although the protective clothing with the single-layer structure keeps the original properties of light weight, excellent moisture permeability and air permeability and the like of the protective clothing material, the surface coating of the protective clothing has toxic chemical substances, has certain harmfulness to human bodies, and is mostly disposable protective clothing, thereby causing waste pollution; the protective clothing with the multi-layer structure is formed by pressing the multi-layer structures such as the isolation layer, the protective layer and the antibacterial layer, the antibacterial performance is excellent, but the weight is heavy, the strain of a human body is increased, the structure has lower air permeability and moisture permeability, the comfort level is reduced, meanwhile, the processing technology of the structure is complex, the cost is high, and as shown in the table 1, the table 1 shows the performance of the common protective clothing on the market at present.
Figure BDA0002511467540000011
(1)
By understanding the use of protective clothing on the market, the main problems include the following:
1. the multilayer structure has heavier mass, increases the burden of workers and reduces the moisture permeability and air permeability;
2. some protective clothing surface coatings have certain toxicity;
3. the sterilizing and antibacterial ability is reduced after repeated use; the friction resistance is poor, the disposable use is realized, and the waste pollution is caused;
4. the preparation process is complex, and the labor and cost are increased.
The application of new materials and new processes becomes the development trend of the current protective clothing, and the ideal protective clothing can effectively isolate body fluid, viruses, fungi and the like and prevent the penetration of a plurality of chemical substances on one hand, has excellent protective property, and can allow a large amount of water vapor molecules to penetrate through on the other hand, thereby having higher comfort. Therefore, the development of the disinfection and antibiosis single-layer protective clothing is imperative.
Disclosure of Invention
The invention mainly aims to provide a method for manufacturing a nano-silver disinfection and antibiosis single-layer material.
The invention also aims to provide the nano-silver disinfection and antibiosis protective clothing which is obtained by cutting and sewing the nano-silver disinfection and antibiosis single-layer material.
In order to achieve the main purpose, the preparation method of the nano-silver disinfection and antibiosis single-layer material comprises the steps of S1, preparing raw materials, processing the raw materials to prepare nano-silver particles, S2, preparing composite emulsion, adding the nano-silver ion solution prepared in the step S1 into 90 g/L waterborne polyurethane according to the proportion, dispersing the solution uniformly by ultrasonic waves, adding 3% of photoinitiator and 2% of penetrating agent, stirring the solution uniformly to form the nano-silver/waterborne polyurethane composite emulsion, S3, padding the base cloth in the nano-silver/waterborne polyurethane composite emulsion, drying the base cloth at a preset temperature, and S4, curing the base cloth processed in the step S3 by ultraviolet light to obtain the nano-silver disinfection and antibiosis single-layer material.
In a further scheme, in step S1, silver nitrate, polyvinyl pyrrolidone and ethylene glycol are provided, 50m of L of ethylene glycol is poured into a container, 7g of polyvinyl pyrrolidone is dissolved in the ethylene glycol, 0.3g of silver nitrate is added and stirred to be dissolved, and the solution is heated to 120 ℃ at the same time, and after the temperature is reduced, the nano silver-silver ion solution is obtained.
In a further embodiment, in step S1, the nano silver-silver ion solution is centrifuged or/and pressure-filtered to obtain nano silver particles.
In a further scheme, in step S2, the nano silver-silver ion solution with the nano silver content of 1mg prepared in step S1 is added into 90 g/L of waterborne polyurethane.
In a further scheme, in step S2, the nano silver-silver ion solution with the nano silver content of 5mg prepared in step S1 is added into 90 g/L of waterborne polyurethane.
In a further scheme, in step S2, the nano silver-silver ion solution with the nano silver content of 10mg prepared in step S1 is added into 90 g/L of waterborne polyurethane.
In a further scheme, in step S2, the nano silver-silver ion solution with the nano silver content of 15mg prepared in step S1 is added into 90 g/L of waterborne polyurethane.
In a further embodiment, after step S4, a detecting step is further included: and detecting the quality, antibacterial performance, antitoxic performance, air permeability and moisture permeability of the nano-silver disinfection antibacterial single-layer material.
In a further scheme, the base fabric is a microfiber non-woven fabric.
Therefore, the invention combines the nano silver with the clothing material, not only keeps the characteristics of high air permeability, moisture permeability and the like of the raw material, but also endows the clothing material with excellent disinfection and antibiosis performances, and the nano silver particles are nontoxic, environment-friendly, pollution-free and easy to prepare; the nanometer material has high adhesive force with the clothes material, is friction-resistant, and is not easy to fall off and damage in the cleaning process and the like; the nano silver has long-term disinfection and antibiosis, so that the protective clothing can be repeatedly used; the process has low preparation cost and simple process.
In order to achieve the other purpose, the nano-silver disinfection and antibiosis protective clothing provided by the invention is obtained by cutting and sewing the nano-silver disinfection and antibiosis single-layer material.
Drawings
Fig. 1 is a schematic diagram of an embodiment of a method for manufacturing a nano-silver disinfection antibacterial single-layer material according to the invention.
Fig. 2 is a transmission electron microscope image of nano-silver particles in an embodiment of a method for manufacturing a nano-silver disinfection antibacterial single-layer material of the present invention.
FIG. 3 is a schematic diagram of the manufacturing of the nano-silver disinfection antibacterial protective clothing of the invention
Fig. 4 is a schematic view of the nano-silver disinfection antibacterial protective clothing of the invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1 to 4, the method for manufacturing a nano-silver sterilizing and antibacterial single-layer material of the present invention includes:
step S1, preparing raw materials: providing raw materials, and processing to prepare the nano silver particles.
And S2, preparing the composite emulsion, namely adding the nano silver-silver ion solution prepared in the step S1 into 90 g/L of waterborne polyurethane according to the proportion, uniformly dispersing by adopting ultrasonic waves, adding 3% of photoinitiator and 2% of penetrating agent, and uniformly stirring to form the nano silver/waterborne polyurethane composite emulsion.
Step S3, padding: padding the base cloth in the nano-silver/waterborne polyurethane composite emulsion, and drying at a preset temperature.
Step S4, curing: and (4) carrying out ultraviolet curing on the base cloth treated in the step S3 to obtain the nano-silver disinfection and antibiosis single-layer material.
Further, in step S1, silver nitrate, polyvinyl pyrrolidone and ethylene glycol are provided, 50m of L of ethylene glycol is poured into a container, 7g of polyvinyl pyrrolidone is dissolved in the ethylene glycol, 0.3g of silver nitrate is added, the mixture is stirred and dissolved, and the nano silver-silver ion solution is obtained after the temperature is reduced by heating to 120 ℃.
Further, in step S1, the nano silver-silver ion solution is centrifuged or/and pressure-filtered to obtain nano silver particles.
Specifically, as shown in fig. 2, the 20nm disinfection antibacterial nano silver particles are prepared by weighing 50m L of ethylene glycol, pouring into a flask, adding 7g of polyvinylpyrrolidone, adding 0.3g of silver nitrate after dissolving, stirring for dissolving, heating to 120 ℃, keeping the temperature for one hour, naturally cooling, centrifuging, dispersing with deionized water, and storing for later use.
Further, the base fabric is a microfiber non-woven fabric.
The embodiment also provides a pair of nano-silver disinfection and antibiosis protective clothing, which is obtained by cutting and sewing the nano-silver disinfection and antibiosis single-layer material. Specifically, as shown in table 2, table 2 is a performance test table of a common protective garment.
Figure BDA0002511467540000041
Figure BDA0002511467540000051
(2)
As can be seen from the above table, the nano-silver disinfection antibacterial single-layer protective clothing produced by the invention has better performance in all aspects than the products on the market, lighter weight, higher disinfection antibacterial capability and keeps high moisture permeability and air permeability of the clothing material; the nano silver is non-toxic, and the material for disinfection and antibiosis is green and environment-friendly; the nano material has high surface energy, the adhesive force with the nano material waterborne polyurethane coating is enhanced, the sterilizing and antibacterial material is not easy to fall off and can be repeatedly used; the protective clothing is loaded, the surface is soft and smooth, and meanwhile, the toughness of the clothing material is increased; the adhesive material has safe and reliable use performance and is comfortable to wear.
The following is a more detailed description of several embodiments.
Example 1:
the nano-silver disinfection and antibiosis single-layer material is prepared by adding nano-silver with different mass ratios into waterborne polyurethane, uniformly stirring to form stable nano-silver/waterborne polyurethane composite emulsion, and processing by padding and other processes.
The preparation method comprises the following steps:
preparation of 20nm nano silver particles:
ethylene glycol 50m L
Polyvinyl pyrrolidone (PVP) 7g
Silver nitrate 0.3g
In step S2, the nano silver-silver ion solution with nano silver content of 1mg prepared in step S1 is added to 90 g/L of aqueous polyurethane, dispersed for a certain period of time by ultrasonic waves, and added with 3% of photoinitiator and 2% of penetrant, and stirred uniformly to form a stable nano silver/aqueous polyurethane composite emulsion, as shown in table 3, table 3 is a test table of protective clothing performance with different silver contents.
Figure BDA0002511467540000061
(3)
Then, padding the non-woven fabric by adopting a padding process, baking at a certain temperature, and then carrying out ultraviolet curing on the finished sample to obtain the nano-silver disinfection and antibiosis single-layer material.
Then, the quality, antibacterial performance (escherichia coli, klebsiella pneumoniae, staphylococcus aureus), antitoxic performance (H1N1), air permeability, moisture permeability and the like of the nano-silver disinfection antibacterial single-layer material are detected, as shown in table 4, table 4 is a test table for the disinfection antibacterial performance of the protective clothing.
Figure BDA0002511467540000062
(4)
Wherein, the quality is carried out by adopting a weighing method, and the antibacterial and antiviral performance test is carried out by referring to GBT-21866-2008-antibacterial coating paint film antibacterial property determination method and antibacterial effect.
Then, the obtained nano-silver disinfection and antibiosis single-layer material is cut and sewn, and the disinfection and antibiosis protective clothing with nano-silver is obtained.
Example 2:
the nano-silver disinfection and antibiosis single-layer material is prepared by adding nano-silver with different mass ratios into waterborne polyurethane, uniformly stirring to form stable nano-silver/waterborne polyurethane composite emulsion, and processing by padding and other processes.
The preparation method comprises the following steps:
preparation of 20nm nano silver particles:
ethylene glycol 50m L
Polyvinyl pyrrolidone (PVP) 7g
Silver nitrate 0.3g
In step S2, the nano silver-silver ion solution with nano silver content of 5mg prepared in step S1 is added to 90 g/L of aqueous polyurethane, dispersed for a certain period of time by ultrasonic waves, and then added with 3% of photoinitiator and 2% of penetrating agent, and stirred uniformly to form a stable nano silver/aqueous polyurethane composite emulsion, as shown in table 3.
Then, padding the non-woven fabric by adopting a padding process, baking at a certain temperature, and then carrying out ultraviolet curing on the finished sample to obtain the nano-silver disinfection and antibiosis single-layer material.
Then, the quality, antibacterial performance (escherichia coli, klebsiella pneumoniae, staphylococcus aureus), antitoxic performance (H1N1), air permeability, moisture permeability and the like of the nano-silver disinfection antibacterial single-layer material were tested, as shown in table 4.
Wherein, the quality is carried out by adopting a weighing method, and the antibacterial and antiviral performance test is carried out by referring to GBT-21866-2008-antibacterial coating paint film antibacterial property determination method and antibacterial effect.
Then, the obtained nano-silver disinfection and antibiosis single-layer material is cut and sewn, and the disinfection and antibiosis protective clothing with nano-silver is obtained.
Example 3:
the nano-silver disinfection and antibiosis single-layer material is prepared by adding nano-silver with different mass ratios into waterborne polyurethane, uniformly stirring to form stable nano-silver/waterborne polyurethane composite emulsion, and processing by padding and other processes.
The preparation method comprises the following steps:
preparation of 20nm nano silver particles:
ethylene glycol 50m L
Polyvinyl pyrrolidone (PVP) 7g
Silver nitrate 0.3g
In step S2, the nano silver-silver ion solution with nano silver content of 10mg prepared in step S1 is added to 90 g/L of aqueous polyurethane, dispersed for a certain period of time by ultrasonic waves, and then added with 3% of photoinitiator and 2% of penetrating agent, and stirred uniformly to form a stable nano silver/aqueous polyurethane composite emulsion, as shown in table 3.
Then, padding the non-woven fabric by adopting a padding process, baking at a certain temperature, and then carrying out ultraviolet curing on the finished sample to obtain the nano-silver disinfection and antibiosis single-layer material.
Then, the quality, antibacterial performance (escherichia coli, klebsiella pneumoniae, staphylococcus aureus), antitoxic performance (H1N1), air permeability, moisture permeability and the like of the nano-silver disinfection antibacterial single-layer material were tested, as shown in table 4.
Wherein, the quality is carried out by adopting a weighing method, and the antibacterial and antiviral performance test is carried out by referring to GBT-21866-2008-antibacterial coating paint film antibacterial property determination method and antibacterial effect.
Then, the obtained nano-silver disinfection and antibiosis single-layer material is cut and sewn, and the disinfection and antibiosis protective clothing with nano-silver is obtained.
Example 4:
the nano-silver disinfection and antibiosis single-layer material is prepared by adding nano-silver with different mass ratios into waterborne polyurethane, uniformly stirring to form stable nano-silver/waterborne polyurethane composite emulsion, and processing by padding and other processes.
The preparation method comprises the following steps:
preparation of 20nm nano silver particles:
ethylene glycol 50m L
Polyvinyl pyrrolidone (PVP) 7g
Silver nitrate 0.3g
In step S2, the nano silver-silver ion solution with the nano silver content of 15mg prepared in step S1 is added into 90 g/L of waterborne polyurethane, dispersed for a certain time by ultrasonic waves, added with 3% of photoinitiator and 2% of penetrating agent, and stirred uniformly to form stable nano silver/waterborne polyurethane composite emulsion.
Then, padding the non-woven fabric by adopting a padding process, baking at a certain temperature, and then carrying out ultraviolet curing on the finished sample to obtain the nano-silver disinfection and antibiosis single-layer material.
Then, the quality, antibacterial performance (escherichia coli, klebsiella pneumoniae, staphylococcus aureus), antitoxic performance (H1N1), air permeability, moisture permeability and the like of the nano-silver disinfection antibacterial single-layer material were tested, as shown in table 4.
Wherein, the quality is carried out by adopting a weighing method, and the antibacterial and antiviral performance test is carried out by referring to GBT-21866-2008-antibacterial coating paint film antibacterial property determination method and antibacterial effect.
Then, the obtained nano-silver disinfection and antibiosis single-layer material is cut and sewn, and the disinfection and antibiosis protective clothing with nano-silver is obtained.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept also fall within the protection scope of the present invention.

Claims (10)

1. A method for manufacturing a nano-silver disinfection antibacterial single-layer material is characterized by comprising the following steps:
step S1, preparing raw materials: providing raw materials, and processing to prepare nano silver particles;
step S2, preparing a composite emulsion, namely adding the nano silver-silver ion solution prepared in the step S1 into 90 g/L of waterborne polyurethane according to a proportion, uniformly dispersing by adopting ultrasonic waves, adding 3% of photoinitiator and 2% of penetrating agent, and uniformly stirring to form the nano silver/waterborne polyurethane composite emulsion;
step S3, padding: padding the base cloth in the nano-silver/waterborne polyurethane composite emulsion, and drying at a preset temperature;
step S4, curing: and (4) carrying out ultraviolet curing on the base cloth treated in the step S3 to obtain the nano-silver disinfection and antibiosis single-layer material.
2. The method of manufacturing according to claim 1, wherein:
in step S1, silver nitrate, polyvinyl pyrrolidone and ethylene glycol are provided, 50m of L of ethylene glycol is poured into a container, 7g of polyvinyl pyrrolidone is dissolved in the ethylene glycol, 0.3g of silver nitrate is added and stirred to obtain the solution, and the solution is heated to 120 ℃ at the same time, and the nano silver-silver ion solution is obtained after the temperature is reduced.
3. The method of manufacturing according to claim 2, wherein:
in step S1, the nano silver-silver ion solution is centrifuged or/and pressure-filtered to obtain nano silver particles.
4. The manufacturing method according to claim 2 or 3, characterized in that:
in step S2, the nano silver-silver ion solution prepared in step S1 and having a nano silver content of 1mg is added to 90 g/L of the aqueous polyurethane.
5. The manufacturing method according to claim 2 or 3, characterized in that:
in step S2, the nano silver-silver ion solution prepared in step S1 and having a nano silver content of 5mg is added to 90 g/L of the aqueous polyurethane.
6. The manufacturing method according to claim 2 or 3, characterized in that:
in step S2, the nano silver-silver ion solution prepared in step S1 and having a nano silver content of 10mg is added to 90 g/L of the aqueous polyurethane.
7. The manufacturing method according to claim 2 or 3, characterized in that:
in step S2, the nano silver-silver ion solution prepared in step S1 and having a nano silver content of 15mg is added to 90 g/L of the aqueous polyurethane.
8. The production method according to any one of claims 1 to 3, characterized in that:
a detection step is further included after step S4: and detecting the quality, antibacterial performance, antitoxic performance, air permeability and moisture permeability of the nano-silver disinfection antibacterial single-layer material.
9. The production method according to any one of claims 1 to 3, characterized in that:
the base cloth is a microfiber non-woven fabric.
10. A nano-silver disinfection antibacterial protective clothing is characterized in that: the protective clothing is obtained by cutting and sewing the nano-silver disinfection and antibiosis single-layer material of claim 1.
CN202010462404.8A 2020-05-27 2020-05-27 Manufacturing method of nano-silver disinfection and antibiosis single-layer material and protective clothing made of nano-silver disinfection and antibiosis single-layer material Pending CN111501337A (en)

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CN114108324A (en) * 2021-07-06 2022-03-01 北京崇高纳米科技有限公司 Polyurethane protective material and preparation method thereof

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Application publication date: 20200807