CN114717845A - Preparation method of material for antiviral bacterial cellulose mask - Google Patents
Preparation method of material for antiviral bacterial cellulose mask Download PDFInfo
- Publication number
- CN114717845A CN114717845A CN202210314406.1A CN202210314406A CN114717845A CN 114717845 A CN114717845 A CN 114717845A CN 202210314406 A CN202210314406 A CN 202210314406A CN 114717845 A CN114717845 A CN 114717845A
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- CN
- China
- Prior art keywords
- bacterial cellulose
- antiviral
- preparing
- bacterial
- mask
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- 229920002749 Bacterial cellulose Polymers 0.000 title claims abstract description 58
- 239000005016 bacterial cellulose Substances 0.000 title claims abstract description 58
- 230000000840 anti-viral effect Effects 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 239000002657 fibrous material Substances 0.000 claims abstract description 18
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 230000001954 sterilising effect Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000004108 freeze drying Methods 0.000 claims description 3
- RNYJXPUAFDFIQJ-UHFFFAOYSA-N hydron;octadecan-1-amine;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[NH3+] RNYJXPUAFDFIQJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000002158 endotoxin Substances 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 230000001580 bacterial effect Effects 0.000 abstract description 9
- 239000002121 nanofiber Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract description 2
- 230000001808 coupling effect Effects 0.000 abstract description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 abstract description 2
- 150000003961 organosilicon compounds Chemical class 0.000 abstract description 2
- 244000052616 bacterial pathogen Species 0.000 description 5
- 210000000170 cell membrane Anatomy 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000232 Lipid Bilayer Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001420 bacteriolytic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 description 1
- 230000001086 cytosolic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
-
- 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
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
-
- 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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention provides a preparation method of a material for an antiviral bacterial cellulose mask, which comprises the following steps: purifying a bacterial cellulose membrane, preparing an antiviral bacterial cellulose solution, preparing a fiber material, and cutting the fiber material. According to the invention, the bacterial cellulose membrane is used as a base material, the organosilicon quaternary ammonium salt is grafted to the bacterial nano-fibers through the reaction of the coupling property of the silane group and the hydroxyl group, so that the modified antiviral bacterial cellulose fiber material has the characteristics of the bacterial nano-fibers and organosilicon compounds, and can kill microorganisms by utilizing the physical barrier effect of a nano-fiber network and the bacteria-dissolving and virus-dissolving effects of the organosilicon quaternary ammonium salt, thereby obtaining a long-acting sterilization and disinfection effect.
Description
Technical Field
The invention relates to the technical field of mask materials, in particular to a preparation method of a material for an antiviral bacterial cellulose mask.
Background
The mask is a sanitary protection tool, is used for reducing or preventing harmful particles in the air, including germs, viruses, suspended particles, harmful gases and the like from being inhaled into the lungs, ensures that a wearer inhales pure air to a certain extent, and is widely applied to the fields of labor protection and health care. Particularly, in some environments with high pollution level, the mask becomes a necessary protection tool.
The existing mask is mostly made of materials: the existing mask can only passively block the invasion of germs and cannot actively remove the germs due to the cotton cloth, the non-woven fabric, the high polymer material and the activated carbon fiber material.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of a material for an antiviral bacterial cellulose mask, and solves the problems that the existing mask can only passively block the invasion of germs and can not actively clean the germs.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a preparation method of a material for an antiviral bacterial cellulose mask comprises the following steps:
s1: purifying a bacterial cellulose membrane;
s2: preparing an antiviral bacterial cellulose solution;
s3: preparing a fiber material;
s4: and (4) cutting the fiber material.
Preferably, the specific operation method of step S1 is: screening a raw material of a bacterial cellulose membrane, carrying out water washing pretreatment on the screened raw material of the bacterial cellulose membrane, removing the intracellular toxin of the pretreated bacterial cellulose membrane, and dehydrating the obtained bacterial cellulose membrane for later use.
Preferably, the specific operation method of step S2 is: n, N-dimethyl-N- [3- (trimethoxysilane) propyl ] octadecyl ammonium chloride (QASC 18) is used to prepare antiviral bacterial cellulose solution with the concentration of 0.62-620 mmol/L, and the solution is put into a sterile tank for standby.
Preferably, the specific operation method of step S3 is: and (3) placing the bacterial cellulose membrane into an aseptic tank containing an antiviral bacterial cellulose solution at the temperature of 25-80 ℃ for reaction for 12-48 h, repeatedly soaking and cleaning in deionized water after the reaction is finished to remove the residual QASC18, and freeze-drying to obtain the antiviral bacterial cellulose fiber material grafted with the quaternary ammonium salt.
Preferably, the specific operation method of step S4 is: the antiviral bacterial cellulose fiber material is cut into different shapes by an automatic cutting machine, and can be used for liners/protection pads of goggles, antiviral filter elements of masks and sterilization antiviral filter elements of fresh air of air conditioners.
(III) advantageous effects
The invention provides a preparation method and application of a material for an antiviral bacterial cellulose mask. The method has the following beneficial effects:
1. the method takes the bacterial cellulose membrane as a base material, and the organosilicon quaternary ammonium salt is grafted to the bacterial nano-fibers through the reaction of the coupling property of silane groups and hydroxyl groups, so that the modified antiviral bacterial cellulose fiber material has the characteristics of the bacterial nano-fibers and organosilicon compounds, can kill microorganisms by utilizing the physical barrier effect of a nano-fiber network and the bacteriolytic and viral action of the organosilicon quaternary ammonium salt, and obtains a long-acting sterilization and disinfection effect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A preparation method of a material for an antiviral bacterial cellulose mask comprises the following steps:
s1: purifying a bacterial cellulose membrane: selecting a bacterial cellulose membrane with semitransparent or transparent appearance by adopting natural nano fibers as a raw material, selecting the bacterial cellulose membrane by an artificial visual inspection method, wherein the screened bacterial cellulose membrane requires bright color and luster, and removes a yellowish or black protomembrane, selecting the bacterial cellulose membrane with uniform thickness between 3 mm and 5mm, washing the screened bacterial cellulose membrane with water for 35min to 300min, replacing the bacterial cellulose membrane with the washed bacterial cellulose membrane in the clockwise direction and the anticlockwise direction every 6 min to 9min, removing the cell endotoxin of the pretreated bacterial cellulose membrane, and dehydrating the obtained bacterial cellulose membrane for later use;
s2: preparing an antiviral bacterial cellulose solution: n, N-dimethyl-N- [3- (trimethoxysilane) propyl ] octadecyl ammonium chloride (QASC 18) is used for preparing antiviral bacterial cellulose solution with the concentration of 0.62-620 mmol/L, the antiviral bacterial cellulose solution is placed into an aseptic tank for standby, common quaternary ammonium salts comprise dodecyl dimethyl benzyl ammonium chloride, hexadecyl trimethyl ammonium chloride, octadecyl trimethyl ammonium chloride and the like, quaternary ammonium salts can release substances in cells by dissolving bacterial cell membranes to cause bacterial death, the sterilization mechanism of the quaternary ammonium salts is mainly the damage to lipid bilayer membranes forming the bacterial cells, the lipid bilayer membranes refer to outer membranes and cytoplasmic membranes of the bacterial cells, and the sterilization process is that the antibacterial substance quaternary ammonium salts are adsorbed on the surfaces of the cell membranes due to electrostatic action (nitrogen positive ions and acidic phospholipid layers of the cell membranes), and then hydrophobic carbon chains penetrate into the cell walls and the cell membranes to cause cytoplasmic substances such as K +, (K +), Leakage of DNA, RNA and the like and death of bacterial bodies, QASC18 is an organosilicon quaternary ammonium salt with durable bactericidal and antiviral effects;
s3: the preparation of the fiber material comprises the steps of putting a bacterial cellulose membrane into an aseptic tank containing an antiviral bacterial cellulose solution at the temperature of 25-80 ℃ for reaction for 12-48 h, repeatedly soaking and cleaning in deionized water after the reaction is finished to remove residual QASC18, and freeze-drying to obtain the fiber material grafted with the quaternary ammonium salt antiviral bacterial cellulose;
s4: cutting fiber material, namely cutting the fiber material of the antiviral bacterial cellulose into different shapes by using an automatic cutting machine, wherein the fiber material can be used for a liner/a protection pad of goggles, an antiviral filter element of a mask and a sterilization antiviral filter element of fresh air of an air conditioner.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A preparation method of a material for an antiviral bacterial cellulose mask comprises the following steps:
s1: purifying a bacterial cellulose membrane;
s2: preparing an antiviral bacterial cellulose solution;
s3: preparing a fiber material;
s4: and (4) cutting the fiber material.
2. The method for preparing a material for an antiviral bacterial cellulose mask as claimed in claim 1, wherein the specific operation method of step S1 is as follows: screening raw materials of the bacterial cellulose membrane, carrying out water washing pretreatment on the screened raw materials of the bacterial cellulose membrane, removing endotoxin cells of the pretreated bacterial cellulose membrane, and dehydrating the obtained bacterial cellulose membrane for later use.
3. The method for preparing a material for an antiviral bacterial cellulose mask as claimed in claim 1, wherein the specific operation method of step S2 is as follows: n, N-dimethyl-N- [3- (trimethoxysilane) propyl ] octadecyl ammonium chloride (QASC 18) is used to prepare antiviral bacterial cellulose solution with the concentration of 0.62-620 mmol/L, and the solution is put into a sterile tank for standby.
4. The method for preparing a material for an antiviral bacterial cellulose mask as claimed in claim 1, wherein the specific operation method of step S3 is as follows: and (3) placing the bacterial cellulose membrane into an aseptic tank containing the antiviral bacterial cellulose solution at the temperature of 25-80 ℃ for reaction for 12-48 h, repeatedly soaking and cleaning in deionized water after the reaction is finished to remove the residual QASC18, and freeze-drying to obtain the quaternary ammonium salt grafted antiviral bacterial cellulose fiber material.
5. The method for preparing a material for an antiviral bacterial cellulose mask as claimed in claim 1, wherein the specific operation method of step S4 is as follows: the fiber material of the antiviral bacterial cellulose is cut into different shapes by an automatic cutting machine, and can be used for liners/protection pads of goggles, antiviral filter elements of masks and sterilizing antiviral filter elements of fresh air of air conditioners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314406.1A CN114717845A (en) | 2022-03-29 | 2022-03-29 | Preparation method of material for antiviral bacterial cellulose mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314406.1A CN114717845A (en) | 2022-03-29 | 2022-03-29 | Preparation method of material for antiviral bacterial cellulose mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114717845A true CN114717845A (en) | 2022-07-08 |
Family
ID=82238970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210314406.1A Withdrawn CN114717845A (en) | 2022-03-29 | 2022-03-29 | Preparation method of material for antiviral bacterial cellulose mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114717845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117143380A (en) * | 2023-11-01 | 2023-12-01 | 南通金丝楠膜材料有限公司 | Polyolefin film with gas-blocking and antibacterial functions and preparation method thereof |
-
2022
- 2022-03-29 CN CN202210314406.1A patent/CN114717845A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117143380A (en) * | 2023-11-01 | 2023-12-01 | 南通金丝楠膜材料有限公司 | Polyolefin film with gas-blocking and antibacterial functions and preparation method thereof |
| CN117143380B (en) * | 2023-11-01 | 2024-01-26 | 南通金丝楠膜材料有限公司 | Polyolefin film with gas-blocking and antibacterial functions and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220708 |