CN105831851A - Antibacterial cloth and antibacterial mask and preparation method thereof - Google Patents
Antibacterial cloth and antibacterial mask and preparation method thereof Download PDFInfo
- Publication number
- CN105831851A CN105831851A CN201610267901.6A CN201610267901A CN105831851A CN 105831851 A CN105831851 A CN 105831851A CN 201610267901 A CN201610267901 A CN 201610267901A CN 105831851 A CN105831851 A CN 105831851A
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- Prior art keywords
- antibacterial
- layer
- adsorbing material
- filter cotton
- mask
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- 230000000844 anti-bacterial Effects 0.000 title claims abstract description 194
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000004744 fabric Substances 0.000 title claims description 18
- 239000000463 material Substances 0.000 claims abstract description 71
- 229920000742 Cotton Polymers 0.000 claims abstract description 63
- 239000000843 powder Substances 0.000 claims abstract description 38
- 238000010521 absorption reaction Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 238000005507 spraying Methods 0.000 claims description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- 229920001184 polypeptide Polymers 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229960003563 Calcium Carbonate Drugs 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 8
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium;oxygen(2-) Chemical group [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000004745 nonwoven fabric Substances 0.000 claims description 5
- 229920002994 synthetic fiber Polymers 0.000 claims description 5
- 239000012209 synthetic fiber Substances 0.000 claims description 5
- LCJRHAPPMIUHLH-UHFFFAOYSA-N 1-$l^{1}-azanylhexan-1-one Chemical group [CH]CCCCC([N])=O LCJRHAPPMIUHLH-UHFFFAOYSA-N 0.000 claims description 4
- LOCYSVHOSYQGOV-UHFFFAOYSA-N N-hexyl-6-$l^{1}-azanyl-6-oxohexanamide Chemical compound [CH]CCCCCNC(=O)CCCCC([N])=O LOCYSVHOSYQGOV-UHFFFAOYSA-N 0.000 claims description 4
- 229920002292 Nylon 6 Polymers 0.000 claims description 4
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229920001721 Polyimide Polymers 0.000 claims description 4
- 238000001467 acupuncture Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004310 lactic acid Substances 0.000 claims description 4
- 235000014655 lactic acid Nutrition 0.000 claims description 4
- 229920000747 poly(lactic acid) polymer Polymers 0.000 claims description 4
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 4
- 239000004632 polycaprolactone Substances 0.000 claims description 4
- 229920001610 polycaprolactone Polymers 0.000 claims description 4
- 239000004626 polylactic acid Substances 0.000 claims description 4
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 5
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 230000002588 toxic Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000001354 calcination Methods 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 244000052616 bacterial pathogens Species 0.000 description 6
- 230000001681 protective Effects 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 241000700605 Viruses Species 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000001590 oxidative Effects 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 241000193755 Bacillus cereus Species 0.000 description 3
- 229940075612 Bacillus cereus Drugs 0.000 description 3
- 241000192125 Firmicutes Species 0.000 description 3
- 206010022000 Influenza Diseases 0.000 description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M Sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 3
- 230000000843 anti-fungal Effects 0.000 description 3
- 230000000845 anti-microbial Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000000560 biocompatible material Substances 0.000 description 3
- 201000009910 diseases by infectious agent Diseases 0.000 description 3
- 238000003837 high-temperature calcination Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 230000002427 irreversible Effects 0.000 description 3
- 229920002866 paraformaldehyde Polymers 0.000 description 3
- 230000002085 persistent Effects 0.000 description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 241000238557 Decapoda Species 0.000 description 2
- 241000371997 Eriocheir sinensis Species 0.000 description 2
- 208000006572 Human Influenza Diseases 0.000 description 2
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 description 2
- 239000004472 Lysine Substances 0.000 description 2
- 241000237536 Mytilus edulis Species 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 208000003561 Respiratory Tract Disease Diseases 0.000 description 2
- 241001238245 Saxidomus Species 0.000 description 2
- 230000003115 biocidal Effects 0.000 description 2
- 235000020639 clam Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
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- 230000000241 respiratory Effects 0.000 description 2
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- 239000000725 suspension Substances 0.000 description 2
- 208000006673 Asthma Diseases 0.000 description 1
- 206010064097 Avian influenza Diseases 0.000 description 1
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- 206010006451 Bronchitis Diseases 0.000 description 1
- 206010006458 Bronchitis chronic Diseases 0.000 description 1
- 208000007451 Chronic Bronchitis Diseases 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 240000000691 Houttuynia cordata Species 0.000 description 1
- 208000002979 Influenza in Birds Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 206010025482 Malaise Diseases 0.000 description 1
- 208000008128 Pulmonary Tuberculosis Diseases 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 229940076185 Staphylococcus aureus Drugs 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000002155 anti-virotic Effects 0.000 description 1
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- 230000002045 lasting Effects 0.000 description 1
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- 239000004332 silver Substances 0.000 description 1
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Classifications
-
- 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
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
-
- 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
- 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
- A41D31/305—Antimicrobial, e.g. antibacterial using layered materials
Abstract
The invention relates to an antibacterial mask which comprises a mask body and ear bands. The mask body comprises a support layer, an antibacterial adsorption layer and a contact layer; the antibacterial adsorption layer is arranged between the support layer and the contact layer; filtration cotton attached with an antibacterial adsorption material is adopted as the antibacterial adsorption layer, wherein the antibacterial adsorption material is in the powder state. The invention further relates to a preparation method of the antibacterial mask. The preparation method comprises the steps that 1, the antibacterial adsorption material is dispersed on the filtration cotton to prepare the antibacterial adsorption layer; 2, the antibacterial adsorption layer is arranged between the support layer and the contact layer; 3, after the support layer, the contact layer and the antibacterial adsorption layer are cut, the periphery of the support layer, the periphery of the contact layer and the periphery of the antibacterial adsorption layer are attached two by two to enable the support layer, the contact layer and the antibacterial adsorption layer to form a whole. The antibacterial mask prepared through the method has the excellent bacterium resisting and removing properties and the capacity of continuously adsorbing VOC (volatile organic compounds) and particularly adsorbing formaldehyde and has no toxic or harmful effect on human bodies and the environment.
Description
[technical field]
The present invention relates to mask field, more particularly, it relates to a kind of anti-bacteria cloth、Antibacterial mask and preparation method thereof.
[background technology]
The extensive epidemic situation broken out in recent years mostly is respiratory infectious disease, such as influenza, pulmonary tuberculosis, influenza A H1N1, high pathogenic avian influenza etc..It addition, developing rapidly along with industry, also result in the atmospheric pollution increasingly sharpened so that air quality go fromes bad to worse simultaneously, and then cause the respiratory tract diseases such as a large amount of with the generation of air pollution relevant disease, such as pulmonary carcinoma, chronic bronchitis, asthma.Respiratory tract disease passes through the spittle and air borne, has the advantages that spread speed is fast, Susceptible population is wide, sickness rate is high, public health and social stability are caused the biggest threat.Wear protective mask and can block pathogenic microorganism intrusion human body, be popular, the effective means of protection personnel health of preventing respiratory infectious disease.Research finds to adhere to wearing mask and can reduce the infection of influenza by inquiry, and many countries control deposit protective mask the propagation of pathogenic microorganism when flu outbreak as the means of Non-medicine intervention.
At present, biological protective mask many employings polypropylene melt-blown nonwoven fabric or electret polypropylene melt-spray nonwoven cloth are as filter course, the physical actions such as it relies on stop to retain, inertial collision, Blang's diffusion, Electrostatic Absorption realize cutting the efficiently gear of finely ground particles and pathogenic microorganism, filter efficiency such as N95 mask reaches 95%, and therefore people can provide effective protection.
There are some researches show, the microorganism such as the antibacterial that is trapped on filtering material, virus can be survived and breed under appropriate conditions, this possibility existing for personnel and environment cause secondary pollution simultaneously.Kennedy
When processing and polluting the mask having anthrax spores, NJ et al. finds that the granule being attached on mask can be discharged in environment again.
The secondary pollution caused to prevent the pathogenic microorganism being attached on mask again to spread, people start to develop the protective mask that can suppress or kill pathogenic microorganism, filter material adds antibacterial and is to confer to the simple effective method of mask antibacterial functions, the mode utilizing nanometer silver and activated carbon to combine such as is had to carry out sterilizing and anti-virus, but there is the toxic and side effects to human and environment in most of chemistry antibacterial, the application of biological antibiosis agent increasingly comes into one's own.
[summary of the invention]
The invention provides a kind of antibacterial mask and preparation method thereof, solve in prior art antibacterial mask to human and environment toxic side effect, and the problem that the pathogenic microorganism on mask diffuses to form secondary pollution again.Present invention also offers a kind of anti-bacteria cloth and preparation method thereof, by loading antibacterial adsorbing material, this anti-bacteria cloth is made to have excellent antibacterial degerming performance and persistently adsorb VOC(organic volatile gas), the particularly ability of formaldehyde, and to human body and environment nonhazardous effect.
First aspect present invention provides a kind of antibacterial mask, and including cover body and ear band, described cover body includes: supporting layer, antibacterial adsorption layer, and contact layer；Described antibacterial adsorption layer is arranged between described supporting layer and described contact layer；Described antibacterial adsorption layer is the filter cotton being attached with antibacterial adsorbing material, and wherein, described antibacterial adsorbing material is powder.
Further, described antibacterial adsorbing material is with 50 ~ 200g/m2It is dispersed in described filter cotton.
Further, described antibacterial adsorbing material is made up of sea shell micropowder embedding antibacterial polypeptide, and described sea shell micropowder is to have the inorganic composite powder containing calcium oxide structure in the inside of calcium carbonate porous body.
Further, the mass ratio of described sea shell micropowder and described antibacterial polypeptide is 108:1~106:1。
Further, described supporting layer and described contact layer are acupuncture cotton, and material therefor is selected from nylon 6, nylon66 fiber, polycaprolactone, polyacrylonitrile, polyimides, polylactic acid, lactic acid or co-glycolic acid one or more.
Further, the described filter cotton of described antibacterial adsorption layer is selected from synthetic fibers filter cotton, non-woven fabrics filter cotton, or activated carbon filter cotton.
Second aspect present invention provides the preparation method of a kind of antibacterial mask, and described method includes:
1) antibacterial adsorbing material is scattered in filter cotton, prepares antibacterial adsorption layer；
2) described antibacterial adsorption layer is placed between supporting layer and contact layer；
3) after described supporting layer, described contact layer and described antibacterial adsorption layer being carried out cutting, surrounding is fitted two-by-two, make described supporting layer, described contact layer and described antibacterial adsorption layer form an entirety.
Further, described antibacterial adsorbing material is scattered on filter cotton particularly as follows: by described antibacterial adsorbing material with 50 ~ 200g/m2It is dispersed in described filter cotton.
Further, antibacterial adsorbing material is scattered on filter cotton and includes by described step: spraying, spraying process, direct absorption method, simultaneously absorption mull technique and first with bonding after be coated with active matter method.
Further, described laminating includes hot pressing, stitching, or bonding.
Third aspect present invention provides a kind of anti-bacteria cloth, and described anti-bacteria cloth is the filter cotton being attached with antibacterial adsorbing material, and wherein, described antibacterial adsorbing material is powder.
Further, described antibacterial adsorbing material is with 50 ~ 200g/m2It is dispersed in described filter cotton.
Further, described antibacterial adsorbing material is made up of sea shell micropowder embedding antibacterial polypeptide, and described sea shell micropowder is to have the inorganic composite powder containing calcium oxide structure in the inside of calcium carbonate porous body.
Fourth aspect present invention provides the preparation method of a kind of anti-bacteria cloth, by antibacterial adsorbing material with 50 ~ 200g/m2It is scattered in filter cotton.
Further, described step by antibacterial adsorbing material with 50 ~ 200g/m2Be scattered in filter cotton to include: spraying, spraying process, direct absorption method, simultaneously absorption mull technique and first with bonding after be coated with active matter method.
A kind of anti-bacteria cloth of present invention offer, antibacterial mask and preparation method thereof, by loading antibacterial adsorbing material, this anti-bacteria cloth and antibacterial mask is made to have excellent antibacterial degerming performance and persistently adsorb VOC(organic volatile gas), the particularly ability of formaldehyde, and to human body and environment nonhazardous effect.This antibacterial adsorbing material cleans through shell, is dried, is prepared by vacuum and low temperature and air high-temperature calcination, has and continues and irreversible absorbability；There is strong antibacterial ability simultaneously, and the persistent period is long, has a broad antifungal spectrum, gram positive bacteria, gram negative bacteria, yeast, mycete are all had certain antibacterial effect, and it also has inhibitory action to bacillus cereus and some virus；Additionally, also have the features such as Heat stability is good.Owing to this antibacterial adsorbing material is a kind of natural biomaterial deriving from ocean, therefore to human body and environment nonhazardous effect.
[accompanying drawing explanation]
The tangent plane schematic diagram of antibacterial mask in the first embodiment that Fig. 1 provides for the present invention；
The tangent plane schematic diagram of anti-bacteria cloth in the second embodiment that Fig. 2 provides for the present invention
[detailed description of the invention]
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, technical scheme is explicitly described, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
The present invention is described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement according to this with reference to description word.
Embodiment 1
As it is shown in figure 1, the present invention provides a kind of antibacterial mask, this antibacterial mask includes cover body 10 and ear band (not shown), and cover body 10 includes: supporting layer 11, antibacterial adsorption layer 12, and contact layer 13；Antibacterial adsorption layer 12 is arranged between supporting layer 11 and contact layer 13；Antibacterial adsorption layer 12 is the filter cotton 122 being attached with antibacterial adsorbing material 121.
In the present embodiment, supporting layer 11 and contact layer 13 are acupuncture cotton, and material therefor is selected from nylon 6, nylon66 fiber, polycaprolactone, polyacrylonitrile, polyimides, polylactic acid, lactic acid or co-glycolic acid one or more.Supporting layer 11 and contact layer 13, as the outermost layer of this antibacterial mask and innermost layer, play a supportive role.
In the present embodiment, the filter cotton 122 in antibacterial adsorption layer 12 is selected from synthetic fibers filter cotton, non-woven fabrics filter cotton, or activated carbon filter cotton；Antibacterial adsorbing material 121 is with 50 ~ 200g/m2Being dispersed in filter cotton 122, antibacterial adsorption layer 12, as the intermediate layer of this antibacterial mask, plays antibacterial, filtration.
In the present embodiment, antibacterial adsorbing material 121 is the dusty material being made up of sea shell micropowder embedding antibacterial polypeptide, and the mass ratio of this sea shell micropowder and this antibacterial polypeptide is 108:1~106: 1, wherein, this sea shell micropowder is to have the inorganic composite powder containing calcium oxide structure in the inside of calcium carbonate porous body.
In the present embodiment, antibacterial adsorbing material 121 is prepared by following step:
1) pretreatment, soaks 30 ~ 60min by the sodium hydroxide solution that shell mass concentration is 0.05% ~ 0.5%, cleans, be dried and coarse pulverization, obtain the shell coarse powder that particle diameter is 0.1 ~ 2mm；
2) the first calcining, by the described shell coarse powder in described pre-treatment step under vacuum, calcines 1 ~ 5h in 300 DEG C ~ 800 DEG C, obtains the first shell coarse powder；
3) the second calcining, by the shell coarse powder in described pre-treatment step in an oxidizing atmosphere, calcine 1 ~ 3h in 600 ~ 1400 DEG C, obtain the second shell coarse powder, described oxidizing atmosphere is the mixed gas of air and carbon dioxide, and described carbon dioxide is 0.03% ~ 0.1% with the volume ratio of described air；
4) pulverize, after described first shell coarse powder and described second shell coarse powder cooling, after mixing in the ratio that mass ratio is 0.01 ~ 10 of described first shell coarse powder and described second shell coarse powder, pulverize, obtain the sea shell micropowder that particle diameter is 10 ~ 1000nm；
5) embedding, utilizes embedding medium to be embedded in described sea shell micropowder by antibacterial polypeptide.
Wherein, this embedding medium be mass concentration be the sodium polyacrylate solution of 0.1% ~ 0.5%, or mass concentration is the Poly-L-Lysine Solution of 0.01% ~ 0.1%；This shell founds one or both of shellfish, Concha Ostreae, Carnis Mactrae, Saxidomus purpurtus, Carnis Haliotidis, old clam, shrimp, Eriocheir sinensis, mussel and cycle of sixty years selected from sail.
The antibacterial mask being loaded with antibacterial adsorbing material 121 has excellent antibacterial degerming performance and persistently adsorbs VOC(organic volatile gas), the particularly ability of formaldehyde.Antibacterial adsorbing material 121 cleans through shell, it is dried, prepare to be formed by vacuum and low temperature and air high-temperature calcination and there is the inorganic composite powder containing calcium oxide structure in the inside of calcium carbonate porous body, then embed antibacterial polypeptide, have and continue and irreversible absorbability；There is strong antibacterial ability simultaneously, and the persistent period is long, has a broad antifungal spectrum, gram positive bacteria, gram negative bacteria, yeast, mycete are all had certain antibacterial effect, and it also has inhibitory action to bacillus cereus and some virus；Additionally, also have the features such as Heat stability is good.Owing to antibacterial adsorbing material 121 is a kind of natural biomaterial deriving from ocean, therefore to human body and environment nonhazardous effect.
The concrete preparation method of antibacterial mask provided in the present embodiment is:
1) antibacterial adsorbing material 121 is scattered on filter cotton 122, prepares antibacterial adsorption layer 12；
2) described antibacterial adsorption layer 12 is placed between supporting layer 11 and contact layer 13；
3) after supporting layer 11, contact layer 13 and antibacterial adsorption layer 12 surrounding being carried out cutting, surrounding is fitted two-by-two so that supporting layer 11, contact layer 13 and antibacterial adsorption layer 12 form an entirety.
In the present embodiment, supporting layer 11 and contact layer 13 are acupuncture cotton, and material therefor is selected from nylon 6, nylon66 fiber, polycaprolactone, polyacrylonitrile, polyimides, polylactic acid, lactic acid or co-glycolic acid one or more.Supporting layer 11 and contact layer 13, as the outermost layer of this antibacterial mask and innermost layer, play a supportive role；Filter cotton 122 in antibacterial adsorption layer 12 is selected from synthetic fibers filter cotton, non-woven fabrics filter cotton, or activated carbon filter cotton.
In step 1), concrete, by antibacterial adsorbing material 121 with 50 ~ 200g/m2Being dispersed on filter cotton 122, process for dispersing includes: spraying, spraying process, direct absorption method, simultaneously absorption mull technique and first with bonding after be coated with active matter method.
A. spraying:
Antibacterial adsorbing material 121 is directly sprayed on filter cotton 122, makes the antibacterial adsorbing material 121 being dispersed with 50 ~ 200g on every square metre of filter cotton 122, obtain antibacterial adsorption layer 12.Can be such as to take the antibacterial adsorbing material of 80g 121 to be directly sprayed on 1m2Filter cotton 122 on.
B. spraying process:
By antibacterial adsorbing material 121 wiring solution-forming；The solution prepared directly is sprayed on filter cotton 122, makes the antibacterial adsorbing material 121 being dispersed with 50 ~ 200g on every square metre of filter cotton 122, obtain antibacterial adsorption layer 12.Can be such as that antibacterial adsorbing material 121 is configured to the solution that mass fraction is 50%, take this solution spraying of 100g in 1m2Filter cotton 122 on.
C. direct absorption method:
By described antibacterial adsorbing material 121 wiring solution-forming, as impregnation liquid；
After filter cotton 122 is soaked 10min in this impregnation liquid, do in the baking oven of 160 DEG C ~ 180 DEG C roasting 5 minutes, obtain antibacterial adsorption layer 12.
Adsorb mull technique the most simultaneously:
Solution binding agent and antibacterial adsorbing material 121 being made into, as impregnation liquid；
After filter cotton 122 is soaked 10min in this impregnation liquid, do in the baking oven of 160 DEG C ~ 180 DEG C roasting 5 minutes, obtain antibacterial adsorption layer 12.
The most first with being coated with active matter method after bonding:
Filter cotton 122 is soaked 5 minutes in the solution containing binding agent；
In the solution that this filter cotton antibacterial adsorbing material 121 of immersion is made into, after soaking 10 minutes, do in the baking oven of 160 DEG C ~ 180 DEG C roasting 5 minutes, obtain antibacterial adsorption layer 12.
In step 3), concrete, laminating includes hot pressing, stitching, or bonding.By supporting layer 11, antibacterial adsorption layer 12, and contact layer 13 is cut into the rectangle of 18cm × 12cm, align two-by-two, use mask heat pressing forming machines hot-forming to it, or employing suture, or use binding agent to bond, make supporting layer 11, antibacterial adsorption layer 12, and contact layer 13 forms an entirety.
In the present embodiment, the preparation method of antibacterial adsorbing material 121 is as follows:
1) pretreatment, soaks 30 ~ 60min by the sodium hydroxide solution that shell mass concentration is 0.05% ~ 0.5%, cleans, be dried and coarse pulverization, obtain the shell coarse powder that particle diameter is 0.1 ~ 2mm；
Preferably, the mass concentration of sodium hydroxide solution is 0.1% ~ 0.3%, and the time of immersion is 40 ~ 50min, and the particle diameter of shell coarse powder is 0.5 ~ 1.5mm.
2) the first calcining, by the described shell coarse powder in described pre-treatment step under vacuum, calcines 1 ~ 5h in 300 DEG C ~ 800 DEG C, obtains the first shell coarse powder；
Preferably, calcining heat is 400 DEG C ~ 700 DEG C, and calcination time is 2 ~ 4h.
3) the second calcining, by the shell coarse powder in described pre-treatment step in an oxidizing atmosphere, calcine 1 ~ 3h in 600 ~ 1400 DEG C, obtain the second shell coarse powder, described oxidizing atmosphere is the mixed gas of air and carbon dioxide, and described carbon dioxide is 0.03% ~ 0.1% with the volume ratio of described air；
Preferably, calcining heat is 700 ~ 1200 DEG C, and calcination time is 1.5 ~ 3h, and carbon dioxide is 0.05% ~ 0.08% with the volume ratio of air.
4) pulverize, after described first shell coarse powder and described second shell coarse powder cooling, after mixing in the ratio that mass ratio is 0.01 ~ 10 of described first shell coarse powder and described second shell coarse powder, pulverize, obtain the sea shell micropowder that particle diameter is 10 ~ 1000nm；
Preferably, the mass ratio of the first shell coarse powder and the second shell coarse powder is 0.05 ~ 5, and the particle diameter of sea shell micropowder is 50 ~ 500nm.
5) embedding, utilizes embedding medium to be embedded in described sea shell micropowder by antibacterial polypeptide.
Wherein, this embedding medium be mass concentration be the sodium polyacrylate solution of 0.1% ~ 0.5%, or mass concentration is the Poly-L-Lysine Solution of 0.01% ~ 0.1%, it is preferable that the mass concentration of sodium polyacrylate solution is 0.2% ~ 0.4%；This shell founds one or both of shellfish, Concha Ostreae, Carnis Mactrae, Saxidomus purpurtus, Carnis Haliotidis, old clam, shrimp, Eriocheir sinensis, mussel and cycle of sixty years selected from sail.
The performance test carried out for the antibacterial mask that above-described embodiment is provided below, antibacterial adsorbing material 121 is referred to as HyCal powder by test, performance test includes the absorption property test of anti-microbial property test, strainability aerocolloidal to NaCl test, and PARA FORMALDEHYDE PRILLS(91,95).
The anti-microbial property test of antibacterial mask
With reference to GB/T 20944.3-2008 " the evaluation third portion of antibacterial textile performance: succusion ".First pressing prescriptive procedure preparation staphylococcus aureus and escherichia coli suspension, adjusting its concentration range is 3 ~ 4 × 105CFU/mL.With the mask without HyCal powder-processed as a control group, using the mask of HyCal powder-processed as test group.To add in the flask containing bacteria suspension and buffer after sample sterilization treatment, oscillating contact 18h.Directly or take appropriate amount of fluid after dilution and coat nutrient broth solid plate, cultivate 24h in 37 DEG C, observe counting and calculate the antibiotic rate of test specimen, referring to table 1-1.
The anti-microbial property test data of table 1-1 antibacterial mask
Test result indicate that: mask prepared by the present invention has excellent antibacterial effect.
Antibacterial mask strainability aerocolloidal to NaCl is tested
Antibacterial biological protective mask is tested to the filter efficiency of particulate matter and gas-flow resistance with reference to the method in GB 19083-2003 " requirements of medical protective mask technology ".Test device uses U.S. TSI 3160 classification efficiency testboard, and tested media is to count the NaCl aerosol that meso-position radius is 0.075 μm, and test gas flow is 85 L/min, refers to table 1-2.
Table 1-2 antibacterial mask strainability aerocolloidal to NaCl test data
| Test number (TN) | Filter efficiency (%) | Resistance (Pa) |
| 1 | 99.86 | 231 |
| 2 | 99.79 | 228 |
| 3 | 99.83 | 230 |
| Averagely | 99.83 | 230 |
Experimental result shows: this mask sample filtering function admirable.
The absorption property test of antibacterial absorption PARA FORMALDEHYDE PRILLS(91,95)
10 cm are placed in 2 identical 900ml hermetic container A comparison cabins2Mask sample without HyCal powder hot forming；B experimental cabin is placed 10cm2One, mask sample containing HyCal powder hot forming, is passed through the formaldehyde gas of 4ppm simultaneously, and the process time is 30 minutes, and period at the uniform velocity rocks several times.Extract two test chamber gases to carry out measuring content of formaldehyde for the first time, treat 24, after 48 hours, again pour the formaldehyde gas of 4ppm, measure second time after processing 30 minutes and third time content of formaldehyde is added up respectively, and be repeated 3 times, refer to table 1-3.
The absorption property test data of table 1-3 antibacterial mask PARA FORMALDEHYDE PRILLS(91,95)
Result of the test shows: the mask of embedding HyCal powder has good formaldehyde removal ability and lasting removal ability.
Embodiment 2
As in figure 2 it is shown, the present invention provides a kind of anti-bacteria cloth 22, this anti-bacteria cloth 22 is the filter cotton 222 being attached with antibacterial adsorbing material 221.
In the present embodiment, the filter cotton 222 in antibacterial adsorption layer 22 is selected from synthetic fibers filter cotton, non-woven fabrics filter cotton, or activated carbon filter cotton；Antibacterial adsorbing material 221 is with 50 ~ 200g/m2It is dispersed in filter cotton 222.
In the present embodiment, antibacterial adsorbing material 221 is the dusty material being made up of sea shell micropowder embedding antibacterial polypeptide, and the mass ratio of this sea shell micropowder and this antibacterial polypeptide is 108:1~106: 1, wherein, this sea shell micropowder is to have the inorganic composite powder containing calcium oxide structure in the inside of calcium carbonate porous body.
The concrete preparation method of anti-bacteria cloth provided in the present embodiment is: by antibacterial adsorbing material 221 with 50 ~ 200g/m2It is dispersed on filter cotton 222.
Concrete, process for dispersing includes: spraying, spraying process, direct absorption method, simultaneously absorption mull technique and be first coated with active matter method with after bonding.
Wherein, the preparation method of antibacterial adsorbing material 221, and concrete spraying, spraying process, direct absorption method, simultaneously absorption mull technique are with first consistent by the preparation method being coated with active matter method adsorption layer 12 antibacterial with embodiment 1 after bonding, repeat the most one by one at this.
The anti-bacteria cloth being loaded with antibacterial adsorbing material 221 has excellent antibacterial degerming performance and persistently adsorbs VOC(organic volatile gas), the particularly ability of formaldehyde.Antibacterial adsorbing material 221 cleans through shell, it is dried, prepare to be formed by vacuum and low temperature and air high-temperature calcination and there is the inorganic composite powder containing calcium oxide structure in the inside of calcium carbonate porous body, then embed antibacterial polypeptide, have and continue and irreversible absorbability；There is strong antibacterial ability simultaneously, and the persistent period is long, has a broad antifungal spectrum, gram positive bacteria, gram negative bacteria, yeast, mycete are all had certain antibacterial effect, and it also has inhibitory action to bacillus cereus and some virus；Additionally, also have the features such as Heat stability is good.Owing to antibacterial adsorbing material 221 is a kind of natural biomaterial deriving from ocean, therefore to human body and environment nonhazardous effect.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (16)
1. an antibacterial mask, including cover body and ear band, it is characterised in that described cover body includes: supporting layer, antibacterial adsorption layer, and contact layer；Described antibacterial adsorption layer is arranged between described supporting layer and described contact layer, and described antibacterial adsorption layer is the filter cotton being attached with antibacterial adsorbing material, and wherein, described antibacterial adsorbing material is powder.
2. antibacterial mask as claimed in claim 1, it is characterised in that described antibacterial adsorbing material is with 50 ~ 200g/m2It is dispersed in described filter cotton.
3. antibacterial mask as claimed in claim 1, it is characterised in that described antibacterial adsorbing material is made up of sea shell micropowder embedding antibacterial polypeptide, and described sea shell micropowder is to have the inorganic composite powder containing calcium oxide structure in the inside of calcium carbonate porous body.
4. antibacterial mask as claimed in claim 3, it is characterised in that the mass ratio of described sea shell micropowder and described antibacterial polypeptide is 108:1~106:1。
5. antibacterial mask as claimed in claim 1, it is characterized in that, described supporting layer and described contact layer are acupuncture cotton, and material therefor is selected from nylon 6, nylon66 fiber, polycaprolactone, polyacrylonitrile, polyimides, polylactic acid, lactic acid or co-glycolic acid one or more.
6. antibacterial mask as claimed in claim 1, it is characterised in that the described filter cotton of described antibacterial adsorption layer is selected from synthetic fibers filter cotton, non-woven fabrics filter cotton, or activated carbon filter cotton.
7. the preparation method of an antibacterial mask, it is characterised in that described method includes:
1) antibacterial adsorbing material is scattered in filter cotton, prepares antibacterial adsorption layer；
2) described antibacterial adsorption layer is placed between supporting layer and contact layer；
3) after described supporting layer, described contact layer and described antibacterial adsorption layer being carried out cutting, surrounding is fitted two-by-two, make described supporting layer, described contact layer and described antibacterial adsorption layer form an entirety.
8. preparation method as claimed in claim 7, it is characterised in that described antibacterial adsorbing material is scattered on filter cotton particularly as follows: by described antibacterial adsorbing material with 50 ~ 200g/m2It is dispersed in described filter cotton.
9. preparation method as claimed in claim 8, it is characterised in that antibacterial adsorbing material is scattered on filter cotton and includes by described step: spraying, spraying process, direct absorption method, simultaneously absorption mull technique and be first coated with active matter method with after bonding.
10. preparation method as claimed in claim 7, it is characterised in that described laminating includes hot pressing, stitching, or bonding.
11. 1 kinds of anti-bacteria cloths, it is characterised in that described anti-bacteria cloth is the filter cotton being attached with antibacterial adsorbing material, wherein, described antibacterial adsorbing material is powder.
12. anti-bacteria cloths as claimed in claim 11, it is characterised in that described antibacterial adsorbing material is with 50 ~ 200g/m2It is dispersed in described filter cotton.
13. anti-bacteria cloths as claimed in claim 11, it is characterised in that described antibacterial adsorbing material is made up of sea shell micropowder embedding antibacterial polypeptide, and described sea shell micropowder is to have the inorganic composite powder containing calcium oxide structure in the inside of calcium carbonate porous body.
14. anti-bacteria cloths as claimed in claim 13, it is characterised in that the mass ratio of described sea shell micropowder and described antibacterial polypeptide is 108:1~106:1。
The preparation method of 15. 1 kinds of anti-bacteria cloths, it is characterised in that by antibacterial adsorbing material with 50 ~ 200g/m2It is scattered in filter cotton.
16. preparation methoies as claimed in claim 15, it is characterised in that described step by antibacterial adsorbing material with 50 ~ 200g/m2Be scattered in filter cotton to include: spraying, spraying process, direct absorption method, simultaneously absorption mull technique and first with bonding after be coated with active matter method.
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