CN111838810A - Three-fiber blended antibacterial mask and manufacturing method thereof - Google Patents
Three-fiber blended antibacterial mask and manufacturing method thereof Download PDFInfo
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- CN111838810A CN111838810A CN202010658239.3A CN202010658239A CN111838810A CN 111838810 A CN111838810 A CN 111838810A CN 202010658239 A CN202010658239 A CN 202010658239A CN 111838810 A CN111838810 A CN 111838810A
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- 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
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
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- 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
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- 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
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- 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
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- 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
- A41D31/18—Elastic
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- 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
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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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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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
- 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
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
- D06M15/3562—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing nitrogen
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/30—Non-woven
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a three-fiber blended antibacterial mask and a manufacturing method thereofThe long-acting self-antibacterial function layer is prepared from zinc wire, folium Artemisiae Argyi fiber, bamboo fiber, poly diallyl dimethyl ammonium chloride and diacetic acid sheet, and is sintered into cloth, mixed fiber cloth-SiO2Self-assembly, surface acetic acid antibacterial film attachment and the like; the humidity developing outer layer is prepared by gelling water glass with the modulus of 3.2 under the action of hydrochloric acid, spraying and spinning the gel into porous cloth, and dyeing the porous cloth by using tetramethyl paracaseniline chloride. The metal plant fiber blended yarn can be boiled, dried and recycled, can display the use degree and has long service life.
Description
Technical Field
The invention relates to the technical field of medical protective articles, in particular to a three-fiber blended antibacterial mask and a manufacturing method thereof.
Background
The allochroic silica gel is an indicating adsorbent with high added value and high technical content, belongs to a high-grade adsorption drying agent, is prepared by deep processing based on the silica gel with a pore of a high-activity adsorption material, and can be used as a humidity display material. Allochroic silicagel implements national industry standard-blue gel indicator, allochroic silicagel and cobalt-free allochroic silicagel HG/T2765.4-2005.
Non-medical masks, such as cotton gauze, activated carbon, sponge and the like, have certain protection effect, can reduce the dispersion of droplets generated by coughing, sneezing, speaking and the like, and can be selected according to the situation. However, the mask in the prior art can hardly be reused.
The disposable mask can be reused under the conditions that the mask is clean and structurally complete and particularly the inner layer is not polluted when ordinary residents use the disposable mask in places with low risk, and the disposable mask can be placed in a clean, dry and ventilated place after each use, but even under such clean conditions, the total time of repeated use is not longer than 8 hours.
Therefore, a three-fiber blended antibacterial mask which is blended by metal plant fibers, can be boiled, dried and recycled, can display the use degree and has long service life and a manufacturing method thereof are urgently needed in the market.
Disclosure of Invention
The invention aims to provide a method for manufacturing a three-fiber blended antibacterial mask, which is formed by blending metal plant fibers, can be boiled, dried and recycled, can display the use degree and has long service life.
In order to achieve the purpose, the invention adopts the following technical scheme: a manufacturing method of a three-fiber blended antibacterial mask comprises the following steps:
S1: raw material preparation
Preparing raw materials: preparing zinc wire with the diameter of 0.3mm, polydiallyldimethylammonium chloride, diacetic acid sheet with the degree of substitution Ds 2.45, 100-120 parts of adult wormwood green stem, 200-220 parts of moso bamboo, non-woven fabric, water glass with the modulus of 3.2, tetramethylparachloroaniline chloride and elastic ear hangers;
preparing auxiliary materials: preparing enough deionized water, enough ethanol, enough 0.5mol/L sodium chloride aqueous solution, enough nano-silica micro powder with the particle size of 10nm-50nm, enough N, N-dimethylformamide, enough acetone, enough pectinase aqueous solution and enough 1.5mol/L hydrochloric acid aqueous solution;
s2: extraction of plant fiber
Mechanically cutting the green stems of the adult wormwood prepared in the step S1 along the direction parallel to the axis into thin strips with the width of 1mm-1.5mm to obtain wormwood stem strips; boiling the moso bamboo prepared in the step S1 in water for 1-1.5 h, taking out, mechanically extruding into strips by using a hydraulically-driven metal column until the diameter of the crushed bamboo strips is 1-3 mm to obtain raw material moso bamboo strips, and stewing and steaming the raw material moso bamboo strips for 25-30 min under the steam pressure of 2-2.5 MPa and the steam temperature of 130-135 ℃;
completely immersing the moxa stems obtained in the step one and the braised bamboo sticks in the step S1 to the prepared pectinase water agent, heating to 30-35 ℃, preserving heat for 16-20 h, fishing out solid contents from the pectinase water agent by using a filter screen of 8-10 meshes, and leaching and cleaning the fished solid contents by using the deionized water prepared in the step S1 to respectively obtain original moxa fibers and original bamboo fibers;
S3: manufacture of fibrous bodies
Firstly, respectively manufacturing the zinc wires prepared in the step S1 into the zinc wires with the wire diameter of 2 mu m by adopting a bundling drawing method;
secondly, mixing the zinc filaments obtained in the step I and the original wormwood fibers and the original bamboo fibers obtained in the step S2 according to the mass ratio of 1: 1: 1 blending into a mixed fiber net with 3-5 layers of thickness and 2-5 mu m of grid gaps;
thirdly, sintering the metal fiber net for 40-50 min in a vacuum environment at 350-370 ℃ to obtain solid mixed fiber cloth;
dissolving poly diallyl dimethyl ammonium chloride in a sodium chloride aqueous solution until the concentration of the poly diallyl dimethyl ammonium chloride in the solution reaches 0.9-1 g/L to obtain finishing liquid;
fifthly, putting the nano-silica micro powder into the finishing liquid, and uniformly dispersing by ultrasonic to obtain a self-assembly solution;
sixthly, cleaning the solid mixed fiber cloth respectively by using ethanol and water, then activating by using acid washing, then immersing into a self-assembly solution, and performing self-assembly adsorption for 12-15 min to obtain self-assembly fiber cloth;
s4: functional film
Firstly, preparing a CA solution with the mass fraction of 12-14% of CA by using a mixed solution of N, N-dimethylformamide and acetone in a mass ratio of 1:2 as a solvent and using a diacetone as a solute;
electrostatic spinning: stirring the CA solution for 24 hours by a magnetic stirrer, defoaming, spinning for 10-12 min by using a high-voltage power supply voltage of 15kV, a micro-propulsion pump speed of 1mL/h and a receiving distance of 25cm, wherein a receiving device is self-assembled fiber cloth obtained in step S3, and membrane-coated fiber cloth is obtained;
Thirdly, water glass with the modulus of 3.2 is diluted to the specific gravity of 1.18-1.22, then hydrochloric acid aqueous solution is dripped into the water glass solution under the condition of mechanical stirring, and the dripping is stopped and the stirring is maintained when the pH value of the solution is 6-6.2, and semi-condensed silicic acid gel is obtained in a short time;
fourthly, the semi-condensed silicic acid gel obtained in the third step is sprayed and spun into silica gel porous cloth with grid gaps of 8 mu m to 10 mu m and diameter of the gel filaments of 10 mu m to 20 mu m until the silica gel porous cloth is completely solidified, and then the completely solidified silica gel porous cloth is completely immersed into deionized water until Cl is formed-Removing the color changing surface layer, taking out the clean silica gel porous cloth, completely drying the silica gel porous cloth, and coloring the silica gel porous cloth by adopting tetramethyl paracrosaniline chloride to obtain the color changing surface layer;
s5: mask forming
Taking the color-changing surface layer obtained in the step (IV) of the step (S4) as an outer layer, taking the non-woven fabric prepared in the step (S1) as an inner layer, taking the coated fiber cloth obtained in the step (S4) as an intermediate layer, preparing the mask, and arranging elastic ear hooks on two sides of the mask to obtain the required three-fiber blended antibacterial mask.
A three-fiber blended antibacterial mask comprises a mask body and elastic ear-hooks, wherein the mask body has a three-layer structure from outside to inside,the long-acting self-antibacterial functional layer is prepared from zinc wire with the diameter of 2 mu m, wormwood fiber, bamboo fiber, poly (diallyldimethylammonium chloride) and a diacetic sheet with the substitution degree Ds 2.45 as raw materials, deionized water, ethanol, 0.5mol/L sodium chloride aqueous solution, nano-silica micropowder with the particle size of 10nm-50nm, N-dimethylformamide and acetone as auxiliary materials, and mixed fiber is sintered into cloth and mixed fiber cloth-SiO 2Self-assembly, surface acetic acid antibacterial film attachment and the like; the humidity developing outer layer is prepared by gelling water glass with the modulus of 3.2 under the action of hydrochloric acid, spraying and spinning the gel into porous cloth, and dyeing the porous cloth by using tetramethyl paracaseniline chloride.
Compared with the prior art, the invention has the following advantages: (1) the most new advantages of the invention are that all the components are cleaned, boiled and dried for reuse, and do not deteriorate, and no material which utilizes electrostatic adsorption or releases toxic and harmful gases such as formaldehyde at normal temperature is adopted, and the invention has the disadvantages of high cost and relatively poor air permeability, and is basically at a level with the best antibacterial property but relatively proper permeability in the prior art. (2) The coconut fiber prepared by the plant extracted fiber and the antibacterial nano silver are mixed according to a certain proportion, and the formaldehyde content, the air permeability, the hygroscopicity and the antibacterial performance of the invention are tested. The result shows that the formaldehyde content of the product cannot be measured to be trace, the air permeability is 400-480 mm/s, the moisture regain is 8-10%, the bacteriostasis rates to staphylococcus aureus, escherichia coli and candida albicans are respectively 99.9%, 99.8% and 99.0% without water washing, and the bacteriostasis rates to the 3 bacteria after 20 times of water washing, boiling and drying are respectively 99.7%, 99.6% and 98.7%, and are hardly reduced. (3) SiO by electrostatic self-assembly technology 2The nanoparticles are uniformly coated on the surface of the metal fiber, and the service life of the metal fiber before and after coating in the felt is researched. (4) The invention prepares the efficient low-air-resistance nanofiber air filtering membrane, adopts the electrostatic spinning technology to prepare the CA nanofiber membrane spun by acetic acid (CA), and obtains the CA nanofiber membrane with good properties of micro-morphology, air permeability, filtering performance and the like. (5) The invention adopts simpleThe cobaltless allochroic silica gel can be used for visually judging the using time of the mask and displaying the water content of the current non-woven fabric, and can be used for conveniently and quickly helping people to judge when the mask is to be cleaned, boiled, disinfected and treated, so that the using effect of the mask is optimal. (6) All the materials adopted by the invention can resist high temperature, water washing and acid corrosion after being designed, and meanwhile, functional components can not be lost, so the invention can be used for a long time without special maintenance, and meanwhile, the air permeability of the invention can be fully ensured by matching the mesh-tube-shaped matrix fibers with the porous silicic acid gel. (7) According to the invention, several functional components of the wormwood are separated in rows by using a simple process means, and then are subjected to reintegration, sealing and toughening treatment through optimized chain reaction to finally obtain pure green and environment-friendly cellulose with plant sources matched with inorganic matters, and the active wormwood functional components are basically solidified on the surface of the wormwood source cellulose, so that the wormwood composite cellulose has high activity, good slow release performance of volatile wormwood, long duration and good antibacterial and health preserving effects. Therefore, the invention has the characteristics of metal plant fiber blending, boiling, drying and recycling, displaying the use degree and having long service life.
Detailed Description
Example 1:
a three-fiber blended antibacterial mask comprises a mask body and elastic ear hooks, wherein the mask body is of a three-layer structure comprising an outer humidity developing layer, a film-coated fiber cloth layer and a non-woven fabric inner layer, wherein the outer humidity developing layer, the film-coated fiber cloth layer and the non-woven fabric inner layer are respectively arranged outside and inside the mask body, the long-acting self-antibacterial functional layer is prepared from zinc wires with the diameter of 2 mu m, wormwood fibers, bamboo fibers, polydiallyldimethylammonium chloride and a diacetate sheet with the substitution degree Ds of 2.45 as raw materials, deionized water, ethanol, 0.5mol/L sodium chloride aqueous solution, nano silicon dioxide micropowder with the particle size of 10nm-50nm, N-dimethylformamide and acetone as auxiliary materials, and the mask body is prepared from fibers, sintered into cloth from mixed fibers and mixed2Self-assembly, surface acetic acid antibacterial film attachment and the like; the humidity color developing outer layer is prepared by gelling water glass with the modulus of 3.2 under the action of hydrochloric acid, spraying and spinning the gel into porous cloth, and dyeing the porous cloth by tetramethyl paracaseniline chloride;
the manufacturing method of the antibacterial mask comprises the following steps:
s1: raw material preparation
Preparing raw materials: preparing zinc wire with diameter of 0.3mm, polydiallyldimethylammonium chloride, diacetic tablet with degree of substitution Ds 2.45, adult wormwood green stem 10-12 g, moso bamboo 20-22 g, non-woven fabric, water glass with modulus of 3.2, tetramethylparachloroaniline chloride, and elastic ear hanger;
Preparing auxiliary materials: preparing enough deionized water, enough ethanol, enough 0.5mol/L sodium chloride aqueous solution, enough nano-silica micro powder with the particle size of 10nm-50nm, enough N, N-dimethylformamide, enough acetone, enough pectinase aqueous solution and enough 1.5mol/L hydrochloric acid aqueous solution;
s2: extraction of plant fiber
Mechanically cutting the green stems of the adult wormwood prepared in the step S1 along the direction parallel to the axis into thin strips with the width of 1mm-1.5mm to obtain wormwood stem strips; boiling the moso bamboo prepared in the step S1 in water for 1-1.5 h, taking out, mechanically extruding into strips by using a hydraulically-driven metal column until the diameter of the crushed bamboo strips is 1-3 mm to obtain raw material moso bamboo strips, and stewing and steaming the raw material moso bamboo strips for 25-30 min under the steam pressure of 2-2.5 MPa and the steam temperature of 130-135 ℃;
completely immersing the moxa stems obtained in the step one and the braised bamboo sticks in the step S1 to the prepared pectinase water agent, heating to 30-35 ℃, preserving heat for 16-20 h, fishing out solid contents from the pectinase water agent by using a filter screen of 8-10 meshes, and leaching and cleaning the fished solid contents by using the deionized water prepared in the step S1 to respectively obtain original moxa fibers and original bamboo fibers;
S3: manufacture of fibrous bodies
Firstly, respectively manufacturing the zinc wires prepared in the step S1 into the zinc wires with the wire diameter of 2 mu m by adopting a bundling drawing method;
secondly, mixing the zinc filaments obtained in the step I and the original wormwood fibers and the original bamboo fibers obtained in the step S2 according to the mass ratio of 1: 1: 1 blending into a mixed fiber net with 3-5 layers of thickness and 2-5 mu m of grid gaps;
thirdly, sintering the metal fiber net for 40-50 min in a vacuum environment at 350-370 ℃ to obtain solid mixed fiber cloth;
dissolving poly diallyl dimethyl ammonium chloride in a sodium chloride aqueous solution until the concentration of the poly diallyl dimethyl ammonium chloride in the solution reaches 0.9-1 g/L to obtain finishing liquid;
fifthly, putting the nano-silica micro powder into the finishing liquid, and uniformly dispersing by ultrasonic to obtain a self-assembly solution;
sixthly, cleaning the solid mixed fiber cloth respectively by using ethanol and water, then activating by using acid washing, then immersing into a self-assembly solution, and performing self-assembly adsorption for 12-15 min to obtain self-assembly fiber cloth;
s4: functional film
Firstly, preparing a CA solution with the mass fraction of 12-14% of CA by using a mixed solution of N, N-dimethylformamide and acetone in a mass ratio of 1:2 as a solvent and using a diacetone as a solute;
electrostatic spinning: stirring the CA solution for 24 hours by a magnetic stirrer, defoaming, spinning for 10-12 min by using a high-voltage power supply voltage of 15kV, a micro-propulsion pump speed of 1mL/h and a receiving distance of 25cm, wherein a receiving device is self-assembled fiber cloth obtained in step S3, and membrane-coated fiber cloth is obtained;
Thirdly, water glass with the modulus of 3.2 is diluted to the specific gravity of 1.18-1.22, then hydrochloric acid aqueous solution is dripped into the water glass solution under the condition of mechanical stirring, and the dripping is stopped and the stirring is maintained when the pH value of the solution is 6-6.2, and semi-condensed silicic acid gel is obtained in a short time;
fourthly, the semi-condensed silicic acid gel obtained in the third step is sprayed and spun into silica gel porous cloth with grid gaps of 8 mu m to 10 mu m and diameter of the gel filaments of 10 mu m to 20 mu m until the silica gel porous cloth is completely solidified, and then the completely solidified silica gel porous cloth is completely immersed into deionized water until Cl is formed-Removing the color changing surface layer, taking out the clean silica gel porous cloth, completely drying the silica gel porous cloth, and coloring the silica gel porous cloth by adopting tetramethyl paracrosaniline chloride to obtain the color changing surface layer;
s5: mask forming
Taking the color-changing surface layer obtained in the step (IV) of the step (S4) as an outer layer, taking the non-woven fabric prepared in the step (S1) as an inner layer, taking the coated fiber cloth obtained in the step (S4) as an intermediate layer, preparing the mask, and arranging elastic ear hooks on two sides of the mask to obtain the required three-fiber blended antibacterial mask.
The mask manufactured according to the embodiment does not contain formaldehyde, has the air permeability of 480mm/s-600mm/s and the moisture regain of 2% -5%, has the bacteriostatic rates of 99.7%, 99.5% and 98.6% for staphylococcus aureus, escherichia coli and candida albicans respectively when not washed with water, has the bacteriostatic rates of 99.6%, 99.3% and 98.3% for the 3 bacteria respectively after being washed with water for 20 times and dried in the air, and hardly reduces.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. A manufacturing method of a three-fiber blended antibacterial mask is characterized by comprising the following steps:
s1: raw material preparation
Preparing raw materials: preparing zinc wire with the diameter of 0.3mm, polydiallyldimethylammonium chloride, diacetic acid sheet with the degree of substitution Ds 2.45, 100-120 parts of adult wormwood green stem, 200-220 parts of moso bamboo, non-woven fabric, water glass with the modulus of 3.2, tetramethylparachloroaniline chloride and elastic ear hangers;
preparing auxiliary materials: preparing enough deionized water, enough ethanol, enough 0.5mol/L sodium chloride aqueous solution, enough nano-silica micro powder with the particle size of 10nm-50nm, enough N, N-dimethylformamide, enough acetone, enough pectinase aqueous solution and enough 1.5mol/L hydrochloric acid aqueous solution;
S2: extraction of plant fiber
Mechanically cutting the green stems of the adult wormwood prepared in the step S1 along the direction parallel to the axis into thin strips with the width of 1mm-1.5mm to obtain wormwood stem strips; boiling the moso bamboo prepared in the step S1 in water for 1-1.5 h, taking out, mechanically extruding into strips by using a hydraulically-driven metal column until the diameter of the crushed bamboo strips is 1-3 mm to obtain raw material moso bamboo strips, and stewing and steaming the raw material moso bamboo strips for 25-30 min under the steam pressure of 2-2.5 MPa and the steam temperature of 130-135 ℃;
completely immersing the moxa stems obtained in the step one and the braised bamboo sticks in the step S1 to the prepared pectinase water agent, heating to 30-35 ℃, preserving heat for 16-20 h, fishing out solid contents from the pectinase water agent by using a filter screen of 8-10 meshes, and leaching and cleaning the fished solid contents by using the deionized water prepared in the step S1 to respectively obtain original moxa fibers and original bamboo fibers;
s3: manufacture of fibrous bodies
Firstly, respectively manufacturing the zinc wires prepared in the step S1 into the zinc wires with the wire diameter of 2 mu m by adopting a bundling drawing method;
secondly, mixing the zinc filaments obtained in the step I and the original wormwood fibers and the original bamboo fibers obtained in the step S2 according to the mass ratio of 1: 1: 1 blending into a mixed fiber net with 3-5 layers of thickness and 2-5 mu m of grid gaps;
Thirdly, sintering the metal fiber net for 40-50 min in a vacuum environment at 350-370 ℃ to obtain solid mixed fiber cloth;
dissolving poly diallyl dimethyl ammonium chloride in a sodium chloride aqueous solution until the concentration of the poly diallyl dimethyl ammonium chloride in the solution reaches 0.9-1 g/L to obtain finishing liquid;
fifthly, putting the nano-silica micro powder into the finishing liquid, and uniformly dispersing by ultrasonic to obtain a self-assembly solution;
sixthly, cleaning the solid mixed fiber cloth respectively by using ethanol and water, then activating by using acid washing, then immersing into a self-assembly solution, and performing self-assembly adsorption for 12-15 min to obtain self-assembly fiber cloth;
s4: functional film
Firstly, preparing a CA solution with the mass fraction of 12-14% of CA by using a mixed solution of N, N-dimethylformamide and acetone in a mass ratio of 1:2 as a solvent and using a diacetone as a solute;
electrostatic spinning: stirring the CA solution for 24 hours by a magnetic stirrer, defoaming, spinning for 10-12 min by using a high-voltage power supply voltage of 15kV, a micro-propulsion pump speed of 1mL/h and a receiving distance of 25cm, wherein a receiving device is self-assembled fiber cloth obtained in step S3, and membrane-coated fiber cloth is obtained;
thirdly, water glass with the modulus of 3.2 is diluted to the specific gravity of 1.18-1.22, then hydrochloric acid aqueous solution is dripped into the water glass solution under the condition of mechanical stirring, and the dripping is stopped and the stirring is maintained when the pH value of the solution is 6-6.2, and semi-condensed silicic acid gel is obtained in a short time;
Fourthly, the semi-condensed silicic acid gel obtained in the third step is sprayed and spun into silica gel porous cloth with grid gaps of 8 mu m to 10 mu m and diameter of the gel filaments of 10 mu m to 20 mu m until the silica gel porous cloth is completely solidified, and then the completely solidified silica gel porous cloth is completely immersed into deionized water until Cl is formed-Removing the color changing surface layer, taking out the clean silica gel porous cloth, completely drying the silica gel porous cloth, and coloring the silica gel porous cloth by adopting tetramethyl paracrosaniline chloride to obtain the color changing surface layer;
s5: mask forming
Taking the color-changing surface layer obtained in the step (IV) of the step (S4) as an outer layer, taking the non-woven fabric prepared in the step (S1) as an inner layer, taking the coated fiber cloth obtained in the step (S4) as an intermediate layer, preparing the mask, and arranging elastic ear hooks on two sides of the mask to obtain the required three-fiber blended antibacterial mask.
2. The utility model provides a three fibre blending antibiotic gauze mask, includes gauze mask body and elasticity ear-hang, its characterized in that: the mask body has three-layer structures including a humidity developing outer layer, a film-coated fiber cloth layer and a non-woven fabric inner layer, wherein the long-acting self-antibacterial function layer is prepared from zinc wire with the diameter of 2 mu m, wormwood fiber, bamboo fiber, poly (diallyldimethylammonium chloride) and a diacetic piece with the substitution degree Ds of 2.45 as raw materials, deionized water, ethanol, 0.5mol/L sodium chloride aqueous solution, nano-silica micropowder with the particle size of 10-50 nm, N-dimethylformamide and acetone as auxiliary materials, and is sintered into cloth by fiber preparation and mixed fiber, and mixed fiber cloth-SiO 2Self-assembly, surface acetic acid antibacterial film and the likeFour steps are carried out to obtain; the humidity developing outer layer is prepared by gelling water glass with the modulus of 3.2 under the action of hydrochloric acid, spraying and spinning the gel into porous cloth, and dyeing the porous cloth by using tetramethyl paracaseniline chloride.
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| CN202010658239.3A CN111838810A (en) | 2020-07-09 | 2020-07-09 | Three-fiber blended antibacterial mask and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2820015C1 (en) * | 2023-11-24 | 2024-05-28 | Диана Анзоровна Шогенова | Cartridge with antibacterial properties for a medical mask and method of its manufacturing |
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2020
- 2020-07-09 CN CN202010658239.3A patent/CN111838810A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2820015C1 (en) * | 2023-11-24 | 2024-05-28 | Диана Анзоровна Шогенова | Cartridge with antibacterial properties for a medical mask and method of its manufacturing |
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Application publication date: 20201030 |
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