CN112609329A - Preparation method of natural antibacterial and antiviral nanofiber membrane, product and application thereof - Google Patents
Preparation method of natural antibacterial and antiviral nanofiber membrane, product and application thereof Download PDFInfo
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 74
- 239000012528 membrane Substances 0.000 title claims abstract description 68
- 239000002121 nanofiber Substances 0.000 title claims abstract description 67
- 230000000840 anti-viral effect Effects 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 38
- 238000009987 spinning Methods 0.000 claims abstract description 93
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 31
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- 239000000419 plant extract Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 23
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 21
- 230000001276 controlling effect Effects 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 235000002566 Capsicum Nutrition 0.000 claims description 14
- 239000006002 Pepper Substances 0.000 claims description 14
- 241000722363 Piper Species 0.000 claims description 14
- 235000016761 Piper aduncum Nutrition 0.000 claims description 14
- 235000017804 Piper guineense Nutrition 0.000 claims description 14
- 235000008184 Piper nigrum Nutrition 0.000 claims description 14
- 230000007613 environmental effect Effects 0.000 claims description 14
- 241000287828 Gallus gallus Species 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000004078 waterproofing Methods 0.000 claims description 10
- 240000002262 Litsea cubeba Species 0.000 claims description 6
- 235000012854 Litsea cubeba Nutrition 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 241000160497 Leptodactylus fallax Species 0.000 claims description 2
- 239000000835 fiber Substances 0.000 abstract description 13
- 239000011148 porous material Substances 0.000 abstract description 4
- 239000003242 anti bacterial agent Substances 0.000 abstract description 2
- 239000003443 antiviral agent Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003755 preservative agent Substances 0.000 abstract description 2
- 230000002335 preservative effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 14
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- 241000222122 Candida albicans Species 0.000 description 6
- 241000588724 Escherichia coli Species 0.000 description 6
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 6
- 241000191967 Staphylococcus aureus Species 0.000 description 6
- 229940095731 candida albicans Drugs 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
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- 238000003912 environmental pollution Methods 0.000 description 1
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Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
-
- 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
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
Abstract
The invention discloses a preparation method of a natural antibacterial antiviral nanofiber membrane, a product and application thereof, wherein the nanofiber membrane is prepared by preparing PTFe with different proportions by an electrostatic spinning technology: PVA spinning solution; adopting natural plant extract as antibacterial and antiviral component; the natural antibacterial/antiviral nanofiber membrane is prepared by adjusting spinning parameters, voltage, receiving distance, rotating speed and winding and unwinding speed. The invention does not add organic preservative, but uses natural plant extract as antibacterial/antiviral agent; in addition, the fiber membrane has the characteristics of large specific surface area, high porosity, small pore diameter, compact stacking and the like, and the blocking rate of PM0.3 reaches more than 95%.
Description
Technical Field
The invention relates to preparation of a nanofiber membrane, in particular to a preparation method of a natural antibacterial and antiviral nanofiber membrane, and a product and application thereof.
Background
In recent years, the industrialization of China is rapidly developed, the urbanization speed is increased continuously, various pollution problems come together, and air pollution becomes a main problem of current environmental pollution. Factory exhaust gas, automobile exhaust, building dust, resident life and the like discharge a large amount of smoke particles, and the particles also provide carriers for bacteria to grow and propagate. These not only threaten the health of people seriously, but also have adverse effect on the natural climate and destroy the natural environment on which animals and plants live. Therefore, designing and preparing a mask filter cloth material which can effectively block fine dust particles in the air and has excellent antibacterial performance is a great subject which is put in front of human and is concerned with the human health.
The melt-blown fabric is the most core material of the mask, the melt-blown fabric mainly takes polypropylene as a main raw material, and the fiber diameter can reach 1-5 microns. The superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property. Can be used in the fields of air and liquid filtering materials, isolating materials, absorbing materials, mask materials, warm-keeping materials, oil absorbing materials, wiping cloth and the like. For particles with the size above the micron level, the traditional non-woven mask filter cloth can have better filtering performance, but for particulate matters or bacteria with the size of submicron or even nanometer level, the traditional non-woven mask filter cloth has poorer filtering performance, and the air filtering material with antibacterial function is fewer.
After epidemic situation occurs in this year, the mask is always a short medical material, and is particularly applied to a medical mask in the epidemic prevention front line. At present, most masks in the market are made of non-woven fabrics, the problems of large gaps, low filtering efficiency and the like are caused due to overlarge diameters of fiber yarns, and the nano fiber materials can better play a role in interception due to the fact that the diameters of the fiber yarns are smaller. The nano-fiber is applied to the mask filter membrane, and has better effect in the aspect of antibacterial and bactericidal functions.
The electrostatic spinning fiber membrane filter material has the advantages of small fiber diameter, high porosity, small pore diameter, good internal pore connectivity and the like, so that the electrostatic spinning fiber membrane filter material has excellent air filtration performance. Meanwhile, the nanofiber material is easy to combine with nanoscale chemical substances or functional substances, and the functional development potential of the nanofiber material is greatly enhanced. Due to the advantages, the electrostatic spinning nano-fiber material has great application potential in the field of mask filtration. These materials still present problems during application,
(1) although the existing electrostatic spinning nanofiber membrane material can achieve higher filtration efficiency, the resistance pressure drop is still higher, the current requirements for high-efficiency and low-resistance air filtration materials are difficult to meet, how to further reduce the resistance pressure drop while keeping high efficiency is realized, and the problem that electrostatic spinning nanofibers are applied to the whole air filtration material field and need to be solved is solved.
(2) The electrostatic spinning nanofiber can filter particles, but cannot kill bacteria and viruses in the air, so that the effective killing of the bacteria and the viruses is realized while the efficient filtration of the nanofiber membrane is ensured, and the electrostatic spinning nanofiber mask material has another problem. Although preparation and performance optimization of electrostatic spinning nanofibers face a series of problems, the problems can be solved by regulating and controlling a nanofiber morphological structure and a stacking structure, modifying functional substances, preparing solution components, performing post-treatment and the like. The problems are solved, the fiber membrane material with more perfect performance can be obtained, and the application range of the fiber membrane material in high-end masks is further expanded. Therefore, with the continuous development of the electrostatic spinning technology and the further deepening of the understanding of the filtering mechanism, the electrostatic spinning fiber shows wider application prospect in the field of mask filtering materials
The litsea cubeba wood is moderate in material quality, is moisture-proof and not moth-eaten, is easy to split, and can be used for common furniture, buildings and the like. The flower, leaf and peel are used as raw material for preparing citral, medicinal products and essence. The kernel oil content is 61.8%, and the oil is used in industry. The root, stem, leaf and fruit can be used as medicine, and has the effects of dispelling wind and cold, and relieving swelling and pain. The litsea cubeba essential oil contains alcohols, aldehydes, lipids, oxides, sesquiterpenes and the like, and has good antibacterial and antibacterial properties.
Disclosure of Invention
The invention aims to provide a preparation method of a natural antibacterial antiviral nanofiber membrane.
Yet another object of the present invention is to: provides a natural antibacterial antiviral nanofiber membrane product prepared by the method.
Yet another object of the present invention is to: provides an application of the product.
The purpose of the invention is realized by the following scheme: a preparation method of natural antibacterial antiviral nanofiber membrane comprises preparing spinning solution from PTFE and PVA; adopting natural plant extract as antibacterial and antiviral component; the natural antibacterial/antiviral nanofiber membrane is prepared by adjusting electrostatic spinning parameters, wherein,
the spinning solution comprises the following components in percentage by mass:
PVA 1-10%
PTFE 0.1%-3%
0.05 to 0.1 percent of mountain chicken pepper hydrosol
1-10% of a waterproof agent AKD;
the electrostatic spinning membrane preparation method comprises the following steps:
(1) preparing spinning solution, namely preparing PVA, PTFE, litsea cubeba hydrosol and a waterproof agent into solution according to a certain proportion;
(2) adding the spinning solution into a spinning groove for later use;
(3) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
(4) and applying high voltage, and regulating and controlling the distance from the spinning head to the receiver, the rotating speed of the spinning head and the winding and unwinding speed to carry out electrostatic spinning to obtain the natural antibacterial and antiviral nanofiber membrane with antibacterial and antiviral functions.
Further, the electrostatic spinning parameters are as follows; the voltage is 80-120 kV, the distance between the spinning head and the receiver is 180-260 mm, the rotating speed of the spinning head is 8-20 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 0.1-1 m/min.
The invention provides a natural antibacterial antiviral nanofiber membrane prepared by any one of the methods.
The invention provides an application of a natural antibacterial and antiviral nanofiber membrane in preparation of an antibacterial and antiviral mask material.
A preparation method of a nanofiber membrane with antibacterial/antiviral performance, high barrier efficiency and small respiratory resistance. The invention does not add organic preservative, but uses natural plant extract as antibacterial/antiviral agent; in addition, the fiber membrane has the characteristics of large specific surface area, high porosity, small pore diameter, compact stacking and the like, and the blocking rate of PM0.3 reaches more than 95%.
Drawings
FIG. 1 is an SEM electron micrograph of example 1;
FIG. 2 is an SEM electron micrograph of example 2;
FIG. 3 is an SEM micrograph of example 3;
FIG. 4 is an SEM micrograph of example 4;
FIG. 5 is an SEM micrograph of example 5;
FIG. 6 is an SEM micrograph of example 6.
Detailed Description
The invention is further illustrated by the following examples, which are intended only for a better understanding of the contents of the invention. The examples given therefore do not limit the scope of the invention.
Example 1
A natural antibacterial antiviral nanofiber membrane is prepared by preparing spinning solution from PTFE and PVA; adopting natural plant extract as antibacterial and antiviral component; the natural antibacterial/antiviral nanofiber membrane is prepared by adjusting electrostatic spinning parameters and is prepared according to the following steps
The spinning solution comprises the following components in percentage by mass:
PTFE 3%
1 percent of wild chicken pepper hydrosol
10% of a waterproof agent AKD;
the electrostatic spinning membrane preparation method comprises the following steps:
(1) preparing spinning solution, namely preparing PVA, PTFE, litsea cubeba hydrosol and a waterproof agent into solution according to a certain proportion;
(2) adding the spinning solution into a spinning groove for later use;
(3) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
(4) and (3) applying a voltage of 80 kV, regulating and controlling the distance between the spinning head and the receiver to be 180mm, the rotating speed of the spinning head to be 8 rpm, the winding and unwinding width to be 180mm and the winding and unwinding speed to be 0.1 m/min to obtain the natural antibacterial and antiviral nanofiber membrane with antibacterial and antiviral functions, wherein an SEM (electron microscope) picture is shown in figure 1.
The nanofiber membrane prepared by the formula has the following antibacterial performance detection: according to the technical Specification for Disinfection 2002, the antibacterial performance is detected. The test result shows that the killing rate of the compound preparation on escherichia coli (8099 type) is more than 99.9 percent, the killing rate on staphylococcus aureus (ATCC 6538 type) is more than 99.9 percent, the killing rate on pseudomonas aeruginosa (ATCC 9027 type) is more than 99.9 percent, and the killing rate on candida albicans (ATCC 10231 type) is more than 99.9 percent.
The kill rate for H1N1 was 97.8%.
Example 2
A natural antibacterial antiviral nanofiber membrane is prepared by the following steps similar to the steps of example 1:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 5%
PTFE 0.1%
0.05 percent of wild chicken pepper hydrosol
1 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 120 kV, the distance between a spinning head and a receiver is 260mm, the rotating speed of the spinning head is 20 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 10 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained, and an SEM electron micrograph is shown in figure 2.
The nanofiber membrane prepared by the formula has the following antibacterial performance detection: according to the technical Specification for Disinfection 2002, the antibacterial performance is detected. The test result shows that the killing rate of the compound preparation on escherichia coli (8099 type) is more than 99.9 percent, the killing rate on staphylococcus aureus (ATCC 6538 type) is more than 99.9 percent, the killing rate on pseudomonas aeruginosa (ATCC 9027 type) is more than 99.9 percent, and the killing rate on candida albicans (ATCC 10231 type) is more than 99.9 percent.
The kill rate for H1N1 was 87.9%.
Example 3
A natural antibacterial antiviral nanofiber membrane is prepared by the following steps similar to the steps of example 1:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 5%
0.08 percent of wild chicken pepper hydrosol
1 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 120 kV, the distance between a spinning head and a receiver is 200mm, the rotating speed of the spinning head is 10 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 5 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained, and an SEM electron micrograph of the nanofiber membrane is shown in figure 3.
The nanofiber membrane prepared by the formula has the following antibacterial performance detection: according to the technical Specification for Disinfection 2002, the antibacterial performance is detected. The test result shows that the killing rate of the compound preparation on escherichia coli (8099 type) is more than 99.9 percent, the killing rate on staphylococcus aureus (ATCC 6538 type) is more than 99.9 percent, the killing rate on pseudomonas aeruginosa (ATCC 9027 type) is more than 99.9 percent, and the killing rate on candida albicans (ATCC 10231 type) is more than 99.9 percent.
The kill rate for H1N1 was 95.2%.
Example 4
A natural antibacterial antiviral nanofiber membrane is prepared by the following steps similar to the steps of example 1:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 3%
0.08 percent of wild chicken pepper hydrosol
5 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 100 kV, the distance between a spinning head and a receiver is 200mm, the rotating speed of the spinning head is 10 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 5 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained, and an SEM electron micrograph of the nanofiber membrane is shown in figure 4.
The nanofiber membrane prepared by the formula has the following antibacterial performance detection: according to the technical Specification for Disinfection 2002, the antibacterial performance is detected. The test result shows that the killing rate of the compound preparation on escherichia coli (8099 type) is more than 99.9 percent, the killing rate on staphylococcus aureus (ATCC 6538 type) is more than 99.9 percent, the killing rate on pseudomonas aeruginosa (ATCC 9027 type) is more than 99.9 percent, and the killing rate on candida albicans (ATCC 10231 type) is more than 99.9 percent.
The kill rate for H1N1 was 95.6%.
Example 5
A natural antibacterial antiviral nanofiber membrane is prepared by the following steps similar to the steps of example 1:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 5%
PTFE 2%
0.06 percent of wild chicken pepper hydrosol
8 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 100 kV, the distance between a spinning head and a receiver is 200mm, the rotating speed of the spinning head is 15 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 3 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained, and an SEM electron micrograph of the nanofiber membrane is shown in figure 5.
The nanofiber membrane prepared by the formula has the following antibacterial performance detection: according to the technical Specification for Disinfection 2002, the antibacterial performance is detected. The test result shows that the killing rate of the compound preparation on escherichia coli (8099 type) is more than 99.9 percent, the killing rate on staphylococcus aureus (ATCC 6538 type) is more than 99.9 percent, the killing rate on pseudomonas aeruginosa (ATCC 9027 type) is more than 99.9 percent, and the killing rate on candida albicans (ATCC 10231 type) is more than 99.9 percent.
The kill rate for H1N1 was 93.8%.
Example 6
A natural antibacterial antiviral nanofiber membrane is prepared by the following steps similar to the steps of example 1:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 8%
PTFE 2%
0.1 percent of wild chicken pepper hydrosol
8 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 120 kV, the distance between a spinning head and a receiver is 200mm, the rotating speed of the spinning head is 15 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 5 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained, and an SEM electron micrograph is shown in figure 6.
The nanofiber membrane prepared by the formula has the following antibacterial performance detection: according to the technical Specification for Disinfection 2002, the antibacterial performance is detected. The test result shows that the killing rate of the compound preparation on escherichia coli (8099 type) is more than 99.9 percent, the killing rate on staphylococcus aureus (ATCC 6538 type) is more than 99.9 percent, the killing rate on pseudomonas aeruginosa (ATCC 9027 type) is more than 99.9 percent, and the killing rate on candida albicans (ATCC 10231 type) is more than 99.9 percent.
The kill rate for H1N1 was 97.8%.
Claims (10)
1. A preparation method of a natural antibacterial antiviral nanofiber membrane is characterized in that PTFE and PVA are adopted to prepare spinning solution; adopting natural plant extract as antibacterial and antiviral component; the natural antibacterial/antiviral nanofiber membrane is prepared by adjusting electrostatic spinning parameters, wherein,
the spinning solution comprises the following components in percentage by mass:
PVA 1-10%
PTFE 0.1%-3%
0.05 to 0.1 percent of mountain chicken pepper hydrosol
1-10% of a waterproof agent AKD;
the electrostatic spinning membrane preparation method comprises the following steps:
(1) preparing spinning solution, namely preparing PVA, PTFE, litsea cubeba hydrosol and a waterproof agent into solution according to a certain proportion;
(2) adding the spinning solution into a spinning groove for later use;
(3) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
(4) and applying high voltage, and regulating and controlling the distance from the spinning head to the receiver, the rotating speed of the spinning head and the winding and unwinding speed to carry out electrostatic spinning to obtain the natural antibacterial and antiviral nanofiber membrane with antibacterial and antiviral functions.
2. The method for preparing natural antibacterial antiviral nanofiber membrane as claimed in claim 1, wherein: the electrostatic spinning parameters are as follows; the voltage is 80-120 kV, the distance between the spinning head and the receiver is 180-260 mm, the rotating speed of the spinning head is 8-20 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 0.1-1 m/min.
3. The method for preparing natural antibacterial and antiviral nanofiber membrane according to claim 1 or 2, characterized in that: the preparation method comprises the following steps:
the spinning solution comprises the following components in percentage by mass:
PVA 1%
PTFE 3%
1 percent of wild chicken pepper hydrosol
10% of a waterproof agent AKD;
the electrostatic spinning membrane preparation method comprises the following steps:
(1) preparing spinning solution, namely preparing PVA, PTFE, litsea cubeba hydrosol and a waterproof agent into solution according to a certain proportion;
(2) adding the spinning solution into a spinning groove for later use;
(3) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
(4) and applying a voltage of 80 kV, regulating and controlling the distance between the spinning head and the receiver to be 180mm, the rotating speed of the spinning head to be 8 rpm, the winding and unwinding width to be 180mm and the winding and unwinding speed to be 0.1 m/min, thus obtaining the natural antibacterial and antiviral nanofiber membrane with antibacterial and antiviral functions.
4. The method for preparing natural antibacterial and antiviral nanofiber membrane according to claim 1 or 2, characterized in that: the preparation method comprises the following steps:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 5%
PTFE 0.1%
0.05 percent of wild chicken pepper hydrosol
1 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 120 kV, the distance between a spinning head and a receiver is 260mm, the rotating speed of the spinning head is 20 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 10 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained.
5. The method for preparing natural antibacterial and antiviral nanofiber membrane according to claim 1 or 2, characterized in that: the preparation method comprises the following steps:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 5%
PTFE 1%
0.08 percent of wild chicken pepper hydrosol
1 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 120 kV, the distance between a spinning head and a receiver is 200mm, the rotating speed of the spinning head is 10 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 5 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained.
6. The method for preparing natural antibacterial and antiviral nanofiber membrane according to claim 1 or 2, characterized in that: the preparation method comprises the following steps:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 3%
PTFE 1%
0.08 percent of wild chicken pepper hydrosol
5 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 100 kV, the distance between a spinning head and a receiver is 200mm, the rotating speed of the spinning head is 10 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 5 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained.
7. The method for preparing natural antibacterial and antiviral nanofiber membrane according to claim 1 or 2, characterized in that: the preparation method comprises the following steps:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 5%
PTFE 2%
0.06 percent of wild chicken pepper hydrosol
8 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 100 kV, the distance between a spinning head and a receiver is 200mm, the rotating speed of the spinning head is 15 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 3 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained.
8. The method for preparing natural antibacterial and antiviral nanofiber membrane according to claim 1 or 2, characterized in that: the preparation method comprises the following steps:
(1) the spinning solution is prepared by mixing the following raw material components in percentage by weight:
PVA 8%
PTFE 2%
0.1 percent of wild chicken pepper hydrosol
8 percent of waterproofing agent AKD
(2) The spinning preparation steps are as follows:
1) adding the spinning solution into a spinning groove for later use;
2) controlling the environmental temperature to be 23 ℃ and 1 ℃ and the relative humidity to be 45 ℃ and 5%;
3) the electrostatic spinning parameters are as follows; the voltage is 120 kV, the distance between a spinning head and a receiver is 200mm, the rotating speed of the spinning head is 15 rpm, the winding and unwinding width is 180mm, and the winding and unwinding speed is 5 m/min, so that the nanofiber membrane with certain antibacterial and antiviral functions can be obtained.
9. A natural antibacterial antiviral nanofiber membrane characterized by being prepared according to the method of any one of claims 1 to 8.
10. Use of the natural antibacterial and antiviral nanofiber membrane as claimed in claim 9 in the preparation of an antibacterial and antiviral mask material.
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| CN106637591A (en) * | 2016-08-31 | 2017-05-10 | 浙江兆新织造有限公司 | Antibacterial skin-smoothing lining with natural faint scent |
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| WO2018129761A1 (en) * | 2017-01-16 | 2018-07-19 | 武汉理工大学 | Polyvinyl alcohol/sodium alginate/hydroxyapatite composite fiber membrane, preparation method and application thereof |
| CN110578208A (en) * | 2019-09-10 | 2019-12-17 | 江苏盛纺纳米材料科技股份有限公司 | nano fiber multi-component composite silk soft non-woven fabric and manufacturing method thereof |
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| CN106637591A (en) * | 2016-08-31 | 2017-05-10 | 浙江兆新织造有限公司 | Antibacterial skin-smoothing lining with natural faint scent |
| CN106637461A (en) * | 2016-08-31 | 2017-05-10 | 界首市华宇纺织有限公司 | Antimicrobial modification method of cellulose acetate nano fiber |
| CN106571237A (en) * | 2016-10-31 | 2017-04-19 | 安徽江威精密制造有限公司 | Electrostatic spinning carbon nanotube polyaniline composite electrode material doped with modified oxidized graphite alkene |
| WO2018129761A1 (en) * | 2017-01-16 | 2018-07-19 | 武汉理工大学 | Polyvinyl alcohol/sodium alginate/hydroxyapatite composite fiber membrane, preparation method and application thereof |
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Application publication date: 20210406 |