CN102144817A - Protective facial mask containing nano silver and chitosan and production method of protective facial mask - Google Patents
Protective facial mask containing nano silver and chitosan and production method of protective facial mask Download PDFInfo
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- CN102144817A CN102144817A CN2011100843973A CN201110084397A CN102144817A CN 102144817 A CN102144817 A CN 102144817A CN 2011100843973 A CN2011100843973 A CN 2011100843973A CN 201110084397 A CN201110084397 A CN 201110084397A CN 102144817 A CN102144817 A CN 102144817A
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Abstract
The invention discloses a protective facial mask containing nano silver and chitosan and a production method of the protective facial mask. The protective facial mask provided by the invention is composed of five gauze layers, wherein two of the five gauze layers are functional absorbent cotton gauzes containing the nano silver and the chitosan. The protective facial mask has the functions of antibiosis, eliminating unusual smell and absorbing dust, and can effectively prevent pathogenic bacteria or virus from invading into a human body through the oral cavity and the nasal cavity so as to prevent communicable diseases; and the protective facial mask is excellent in air permeability. The production method of the protective facial mask is simple, wide in material source and suitable for industrialized production.
Description
Technical field
The invention belongs to the amenities preparing technical field, be specifically related to a kind of protective mask that contains Nano Silver and shitosan and preparation method thereof.
Background technology
Mouth mask is the articles for daily use during people live, and can prevent the invasion to human body of bacterium and dust.Common mouth mask only possesses general filtering function, and function ratio is more single.In use respiration makes mouth mask cover body humidity simultaneously, thereby is beneficial to the growth of bacterial micro-organism.
Nano Silver is a kind of nontoxic, environment-friendly material, and has good antibacterial property, is widely used in the various anti-biotic materials.Shitosan is the unique cationic polysaccharide of nature, has good cell compatibility and histocompatbility, has stronger antibacterial activity simultaneously.Add Nano Silver and shitosan simultaneously during the preparation mouth mask, can play good antibacterial action.
Summary of the invention
The object of the present invention is to provide a kind of protective mask that contains Nano Silver and shitosan.
The present invention also aims to provide a kind of preparation method who contains the protective mask of Nano Silver and shitosan.
A kind of protective mask that contains Nano Silver and shitosan, it is made up of cover body and frenulum, be characterised in that, cover body is made of 5 layer materials: ground floor is the degreasing cotton gauze layer, the second layer, the 3rd layer are for containing the gauze functional layer of Nano Silver and shitosan, the 4th layer is the degreasing cotton gauze layer, and layer 5 is a nonwoven layer.
The particle diameter of described Nano Silver is 2-80nm.
The thickness of described functional layer material is 0.2-2mm, and porosity is greater than 80%.
A kind of preparation method who contains the protective mask of Nano Silver and shitosan is characterized in that, carries out according to following steps:
(1) take by weighing shitosan and be dissolved in 1% the acetic acid solution, the preparation mass concentration is the chitosan solution of 1-3%;
(2) take by weighing AgNO
3Be dissolved in the chitosan solution, after fully stirring, forming concentration is the AgNO of 0.01-1M
3-shitosan mixed solution left standstill 6-12 hour;
(3) double-deck degreasing cotton gauze is immersed in AgNO
3In-shitosan the mixed solution, after 4-24 hour under-20 ℃～-40 ℃ conditions pre-freeze, freeze drying makes the double-deck degreasing cotton gauze that contains Nano Silver and shitosan;
(4) the double-deck degreasing cotton gauze that will contain Nano Silver and shitosan is soaked in 2.5% the glutaraldehyde solution, 0.5-6 hour postlyophilization;
(5) will take out through the degreasing cotton gauze that step (4) is handled, be soaked in mass concentration and be in 3% the sodium borohydride solution more than 6 hours, take out, it is immersed in 1% the sodium hydroxide solution 3-8 hour, after the water flushing, freeze drying obtains to contain the gauze functional layer of Nano Silver and shitosan;
(6) make cover body according to the order of gauze layer, the gauze functional layer that contains Nano Silver and shitosan, gauze layer, nonwoven layer, the frenulum perforation is left in the cover body both sides, then frenulum is passed frenulum perforation and seam knot.
Beneficial effect of the present invention: protective mask of the present invention contains Nano Silver and shitosan, can suppress microbial growth effectively, while good air permeability, comfortable wearing.The preparation method of protective mask of the present invention is simple, and the preparation material source is extensive, is fit to large-scale industrial production.
Description of drawings
Fig. 1 mouth mask overall schematic;
Among the figure, 1-cover body, 2-frenulum.
Fig. 2 contains the layer structure schematic diagram of the antibacterial and protective mouth mask of Nano Silver and shitosan;
Among the figure, 1-degreasing cotton gauze layer, 2-contain gauze functional layer, 3-degreasing cotton gauze layer, the 4-nonwoven layer of Nano Silver and shitosan.
The specific embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Implementing used primary raw material is shitosan (deacetylation 95% molecular weight 200,000), silver nitrate, NaOH, glutaraldehyde, sodium borohydride, acetate, medical absorbent cotton gauze and nonwoven.Chemical reagent is chemical pure.
Embodiment one
(1) shitosan that takes by weighing 0.5g is dissolved in the acetic acid solution of 50ml 1%, and the preparation mass concentration is 1% chitosan solution.
(2) take by weighing 0.085g silver nitrate (AgNO
3) be dissolved in the 50ml chitosan solution, after fully stirring, forming concentration is the AgNO of 0.01M
3-chitosan solution left standstill 6-12 hour.
(3) double-deck degreasing cotton gauze is immersed in AgNO
3In-shitosan the mixed solution ,-20 ℃ of pre-freezes, and freeze drying makes the double-deck degreasing cotton gauze that contains Nano Silver and shitosan after 4 hours.
(4) the double-deck degreasing cotton gauze that will contain Nano Silver and shitosan is soaked in 2.5% the glutaraldehyde solution, 0.5 hour postlyophilization.
(5) will take out through the degreasing cotton gauze that step (4) is handled, be soaked in mass concentration and be in 3% the sodium borohydride solution 6 hours, remove the little molecule of residual glutaraldehyde, simultaneously with AgNO
3Be reduced to Nano Silver, the particle diameter of Nano Silver is 2-80nm, takes out, and then it is immersed in 1% the sodium hydroxide solution 3-8 hour, and after the water flushing, freeze drying obtains to contain the gauze functional layer of Nano Silver and shitosan.
(6) make cover body according to the order of gauze layer, the gauze functional layer that contains Nano Silver and shitosan, gauze layer, nonwoven layer, the frenulum perforation is left in the cover body both sides, then frenulum is passed frenulum perforation and seam knot.
Embodiment two
(1) shitosan that takes by weighing 1g is dissolved in the acetic acid solution of 50ml 1%, and the preparation mass concentration is 2% chitosan solution.
(2) take by weighing 3.4g silver nitrate (AgNO
3) be dissolved in the 50ml chitosan solution, after fully stirring, forming concentration is the AgNO of 0.4M
3-chitosan solution left standstill 6-12 hour.
(3) double-deck degreasing cotton gauze is immersed in AgNO
3In-shitosan the mixed solution ,-25 ℃ of pre-freezes, and freeze drying makes the double-deck degreasing cotton gauze that contains Nano Silver and shitosan after 8 hours.
(4) the double-deck degreasing cotton gauze that will contain Nano Silver and shitosan is soaked in 2.5% the glutaraldehyde solution, 1 hour postlyophilization.
(5) will take out through the degreasing cotton gauze that step (4) is handled, be soaked in mass concentration and be in 3% the sodium borohydride solution 7 hours, remove the little molecule of residual glutaraldehyde, simultaneously with AgNO
3Be reduced to Nano Silver, the particle diameter of Nano Silver is 2-80nm, takes out, and then it is immersed in 1% the sodium hydroxide solution 3-8 hour, and after the water flushing, freeze drying obtains to contain the gauze functional layer of Nano Silver and shitosan.
(6) make cover body according to the order of gauze layer, the gauze functional layer that contains Nano Silver and shitosan, gauze layer, nonwoven layer, the frenulum perforation is left in the cover body both sides, then frenulum is passed frenulum perforation and seam knot.
Embodiment three
(1) shitosan that takes by weighing 1.5g is dissolved in the acetic acid solution of 50ml 1%, and the preparation mass concentration is 3% chitosan solution.
(2) take by weighing 0.85g silver nitrate (AgNO
3) be dissolved in the 50ml chitosan solution, after fully stirring, forming concentration is the AgNO of 0.1M
3-chitosan solution left standstill 6-12 hour.
(3) double-deck degreasing cotton gauze is immersed in AgNO
3In-shitosan the mixed solution ,-30 ℃ of pre-freezes, and freeze drying makes the double-deck degreasing cotton gauze that contains Nano Silver and shitosan after 12 hours.
(4) the double-deck degreasing cotton gauze that will contain Nano Silver and shitosan is soaked in 2.5% the glutaraldehyde solution, 2 hours postlyophilizations.
(5) will take out through the degreasing cotton gauze that step (4) is handled, be soaked in mass concentration and be in 3% the sodium borohydride solution 8 hours, remove the little molecule of residual glutaraldehyde, simultaneously with AgNO
3Be reduced to Nano Silver, the particle diameter of Nano Silver is 2-80nm, takes out, and then it is immersed in 1% the sodium hydroxide solution 3-8 hour, and after the water flushing, freeze drying obtains to contain the gauze functional layer of Nano Silver and shitosan.
(6) make cover body according to the order of gauze layer, the gauze functional layer that contains Nano Silver and shitosan, gauze layer, nonwoven layer, the frenulum perforation is left in the cover body both sides, then frenulum is passed frenulum perforation and seam knot.
Embodiment four
(1) shitosan that takes by weighing 1.5g is dissolved in the acetic acid solution of 50ml 1%, and the preparation mass concentration is 3% chitosan solution.
(2) take by weighing 6.8g silver nitrate (AgNO
3) be dissolved in the 50ml chitosan solution, after fully stirring, forming concentration is the AgNO of 0.8M
3-chitosan solution left standstill 6-12 hour.
(3) double-deck degreasing cotton gauze is immersed in AgNO
3In-shitosan the mixed solution ,-35 ℃ of pre-freezes, and freeze drying makes the double-deck degreasing cotton gauze that contains Nano Silver and shitosan after 12 hours.
(4) the double-deck degreasing cotton gauze that will contain Nano Silver and shitosan is soaked in 2.5% the glutaraldehyde solution, 4 hours postlyophilizations.
(5) will take out through the degreasing cotton gauze that step (4) is handled, be soaked in mass concentration and be in 3% the sodium borohydride solution 8 hours, remove the little molecule of residual glutaraldehyde, simultaneously with AgNO
3Be reduced to Nano Silver, the particle diameter of Nano Silver is 2-80nm, takes out, and then it is immersed in 1% the sodium hydroxide solution 3-8 hour, and after the water flushing, freeze drying obtains to contain the gauze functional layer of Nano Silver and shitosan.
(6) make cover body according to the order of gauze layer, the gauze functional layer that contains Nano Silver and shitosan, gauze layer, nonwoven layer, the frenulum perforation is left in the cover body both sides, then frenulum is passed frenulum perforation and seam knot.
Embodiment five
(1) shitosan that takes by weighing 1.5g is dissolved in the acetic acid solution of 50ml 1%, and the preparation mass concentration is 3% chitosan solution.
(2) take by weighing 8.5g silver nitrate (AgNO
3) be dissolved in the 50ml chitosan solution, after fully stirring, forming concentration is the AgNO of 1M
3-chitosan solution left standstill 6-12 hour.
(3) double-deck degreasing cotton gauze is immersed in AgNO
3In-shitosan the mixed solution ,-40 ℃ of pre-freezes, and freeze drying makes the double-deck degreasing cotton gauze that contains Nano Silver and shitosan after 12 hours.
(4) the double-deck degreasing cotton gauze that will contain Nano Silver and shitosan is soaked in 2.5% the glutaraldehyde solution, 6 hours postlyophilizations.
(5) will take out through the degreasing cotton gauze that step (4) is handled, be soaked in mass concentration and be in 3% the sodium borohydride solution 12 hours, remove the little molecule of residual glutaraldehyde, simultaneously with AgNO
3Be reduced to Nano Silver, the particle diameter of Nano Silver is 2-80nm, takes out, and then it is immersed in 1% the sodium hydroxide solution 3-8 hour, and after the water flushing, freeze drying obtains to contain the gauze functional layer of Nano Silver and shitosan.
(6) make cover body according to the order of gauze layer, the gauze functional layer that contains Nano Silver and shitosan, gauze layer, nonwoven layer, the frenulum perforation is left in the cover body both sides, then frenulum is passed frenulum perforation and seam knot.
The protective mask that contains Nano Silver and shitosan of above embodiment preparation is made of cover body and frenulum, and overall schematic as shown in Figure 1; Cover body constitutes (as shown in Figure 2) by 5 layers of gauze material: ground floor is the degreasing cotton gauze layer, and the second layer, the 3rd layer are for containing the gauze functional layer of Nano Silver and shitosan, and the 4th layer is the degreasing cotton gauze layer, and layer 5 is a nonwoven layer.
Claims (4)
1. protective mask that contains Nano Silver and shitosan, form by cover body and frenulum, it is characterized in that, cover body is made of 5 layers of gauze material: ground floor is the degreasing cotton gauze layer, the second layer, the 3rd layer are for containing the gauze functional layer of Nano Silver and shitosan, the 4th layer is the degreasing cotton gauze layer, and layer 5 is a nonwoven layer.
2. according to the described a kind of protective mask that contains Nano Silver and shitosan of claim 1, it is characterized in that the particle diameter of described Nano Silver is 2-80nm.
3. according to the described a kind of protective mask that contains Nano Silver and shitosan of claim 1, it is characterized in that the thickness of described functional layer material is 0.2-2mm, porosity is greater than 80%.
4. a preparation method who contains the protective mask of Nano Silver and shitosan is characterized in that, carries out according to following steps:
(1) take by weighing shitosan and be dissolved in 1% the acetic acid solution, the preparation mass concentration is the chitosan solution of 1-3%;
(2) take by weighing AgNO
3Be dissolved in the chitosan solution, after fully stirring, forming concentration is the AgNO of 0.01-1M
3-shitosan mixed solution left standstill 6-12 hour;
(3) double-deck degreasing cotton gauze is immersed in AgNO
3In-shitosan the mixed solution, after 4-24 hour under-20 ℃～-40 ℃ conditions pre-freeze, freeze drying makes the double-deck degreasing cotton gauze that contains Nano Silver and shitosan;
(4) the double-deck degreasing cotton gauze that will contain Nano Silver and shitosan is soaked in 2.5% the glutaraldehyde solution, 0.5-6 hour postlyophilization;
(5) will take out through the degreasing cotton gauze that step (4) is handled, be soaked in mass concentration and be in 3% the sodium borohydride solution more than 6 hours, take out, it is immersed in 1% the sodium hydroxide solution 3-8 hour, after the water flushing, freeze drying obtains to contain the gauze functional layer of Nano Silver and shitosan;
(6) make cover body according to the order of gauze layer, the gauze functional layer that contains Nano Silver and shitosan, gauze layer, nonwoven layer, the frenulum perforation is left in the cover body both sides, then frenulum is passed frenulum perforation and seam knot.
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| CN 201110084397 CN102144817B (en) | 2011-04-02 | 2011-04-02 | Protective facial mask containing nano silver and chitosan and production method of protective facial mask |
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| CN 201110084397 CN102144817B (en) | 2011-04-02 | 2011-04-02 | Protective facial mask containing nano silver and chitosan and production method of protective facial mask |
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| CN102144817B CN102144817B (en) | 2013-09-11 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893331A (en) * | 2015-05-20 | 2015-09-09 | 广东省微生物研究所 | Antibacterial wood-plastic composite and preparation method thereof |
| CN104947418A (en) * | 2015-06-09 | 2015-09-30 | 中国林业科学研究院林产化学工业研究所 | Preparation method of chitosan quaternary ammonium salt-silver nanoparticle antibacterial cotton fibers |
| CN104997196A (en) * | 2014-04-22 | 2015-10-28 | 冒华 | Mask used for bacteria suppression and dust prevention |
| CN105231527A (en) * | 2015-11-10 | 2016-01-13 | 梧株茉 | High-function filter film and preparation method thereof and mask with multiple filter functions |
| CN105433472A (en) * | 2015-12-01 | 2016-03-30 | 中国工程物理研究院材料研究所 | Safe rope-free mask |
| CN107232666A (en) * | 2017-08-01 | 2017-10-10 | 大连轶德科技有限公司 | A kind of fungi-proofing, antibacterial, haze mouth mask based on biogenic amine material and preparation method thereof |
| CN107670506A (en) * | 2017-10-25 | 2018-02-09 | 成都圻坊生物科技有限公司 | A kind of preparation method of the resistant to pollution PVDF ultrafiltration membrane of water filtration antibacterial |
| CN107965263A (en) * | 2017-12-21 | 2018-04-27 | 大连轶德科技有限公司 | Multifunctional sanitary environmental protection screen window and preparation method thereof |
| CN110628075A (en) * | 2019-09-27 | 2019-12-31 | 杭州电子科技大学 | Chitosan porous functional layer of dustproof and antibacterial mask and preparation method |
| CN111409341A (en) * | 2020-02-21 | 2020-07-14 | 杭州路先非织造股份有限公司 | Medical mask material based on spunlace nonwoven material and preparation method thereof |
| CN112970745A (en) * | 2020-12-31 | 2021-06-18 | 上海大学 | Metal nano particle based on branched chitosan microreactor and preparation method thereof |
| US11968981B2 (en) | 2020-10-14 | 2024-04-30 | Indian Oil Corporation Limited | Anti-viral formulation of active nano ingredients for coating on personal protective equipment and for aerosol based disinfectant composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105433472A (en) * | 2015-12-01 | 2016-03-30 | 中国工程物理研究院材料研究所 | Safe rope-free mask |
| CN107232666A (en) * | 2017-08-01 | 2017-10-10 | 大连轶德科技有限公司 | A kind of fungi-proofing, antibacterial, haze mouth mask based on biogenic amine material and preparation method thereof |
| CN107670506A (en) * | 2017-10-25 | 2018-02-09 | 成都圻坊生物科技有限公司 | A kind of preparation method of the resistant to pollution PVDF ultrafiltration membrane of water filtration antibacterial |
| CN107965263A (en) * | 2017-12-21 | 2018-04-27 | 大连轶德科技有限公司 | Multifunctional sanitary environmental protection screen window and preparation method thereof |
| CN110628075A (en) * | 2019-09-27 | 2019-12-31 | 杭州电子科技大学 | Chitosan porous functional layer of dustproof and antibacterial mask and preparation method |
| CN111409341A (en) * | 2020-02-21 | 2020-07-14 | 杭州路先非织造股份有限公司 | Medical mask material based on spunlace nonwoven material and preparation method thereof |
| CN111409341B (en) * | 2020-02-21 | 2022-12-23 | 杭州路先非织造股份有限公司 | Medical mask material based on spunlace nonwoven material and preparation method thereof |
| US11968981B2 (en) | 2020-10-14 | 2024-04-30 | Indian Oil Corporation Limited | Anti-viral formulation of active nano ingredients for coating on personal protective equipment and for aerosol based disinfectant composition |
| CN112970745A (en) * | 2020-12-31 | 2021-06-18 | 上海大学 | Metal nano particle based on branched chitosan microreactor and preparation method thereof |
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