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 PDF

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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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chitosan
gauze
silver
containing nano
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CN102144817B (en
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王常勇
李俊杰
杨桂利
周瑾
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Institute of Basic Medical Sciences of AMMS
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Abstract

本发明公开了属于卫生用品制备技术领域的一种含纳米银和壳聚糖的防护口罩及其制备方法。本发明的防护口罩由五层纱布构成,其中包含两层含有纳米银和壳聚糖的功能性脱脂棉纱布。本发明防护口罩具有抗菌、除异味、吸附尘埃的功效,可有效地防止病菌或病毒经过口腔、鼻腔侵入人体,预防各类传染性疾病,同时具有良好的透气性能。本发明防护口罩的制备方法简单,材料来源广,适合工业化生产。

Figure 201110084397

The invention discloses a protective mask containing nano-silver and chitosan and a preparation method thereof, which belong to the technical field of sanitary product preparation. The protective mask of the present invention consists of five layers of gauze, including two layers of functional absorbent cotton gauze containing nano-silver and chitosan. The protective mask of the present invention has the functions of antibacterial, deodorizing and dust absorption, can effectively prevent germs or viruses from invading the human body through oral cavity and nasal cavity, prevent various infectious diseases, and has good air permeability at the same time. The preparation method of the protective mask of the invention is simple, the source of materials is wide, and it is suitable for industrialized production.

Figure 201110084397

Description

A kind of protective mask that contains Nano Silver and shitosan and preparation method thereof
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)

1.一种含纳米银和壳聚糖的防护口罩,由罩体和系带组成,其特征在于,罩体由5层纱布材料构成:第一层为脱脂棉纱布层,第二层、第三层为含纳米银和壳聚糖的纱布功能层,第四层为脱脂棉纱布层,第五层为无纺布层。1. A protective mask containing nano-silver and chitosan, consisting of a cover body and a lace, is characterized in that the cover body is made of 5 layers of gauze material: the first layer is a absorbent cotton gauze layer, the second layer, the third layer The first layer is a gauze functional layer containing nano-silver and chitosan, the fourth layer is an absorbent cotton gauze layer, and the fifth layer is a non-woven fabric layer. 2.根据权利要求1所述一种含纳米银和壳聚糖的防护口罩,其特征在于,所述纳米银的粒径为2-80nm。2. a kind of protective mask containing nano silver and chitosan according to claim 1, is characterized in that, the particle diameter of described nano silver is 2-80nm. 3.根据权利要求1所述一种含纳米银和壳聚糖的防护口罩,其特征在于,所述功能层材料的厚度为0.2-2mm,孔隙率大于80%。3. a kind of protective mask containing nano silver and chitosan according to claim 1, is characterized in that, the thickness of described functional layer material is 0.2-2mm, and porosity is greater than 80%. 4.一种含纳米银和壳聚糖的防护口罩的制备方法,其特征在于,按照如下步骤进行:4. a preparation method of a protective mask containing nano-silver and chitosan, is characterized in that, according to the following steps: (1)称取壳聚糖溶于1%的乙酸溶液中,配制质量浓度为1-3%的壳聚糖溶液;(1) take chitosan and be dissolved in 1% acetic acid solution, prepare the chitosan solution that mass concentration is 1-3%; (2)称取AgNO3溶于壳聚糖溶液中,充分搅拌后,形成浓度为0.01-1M的AgNO3-壳聚糖混合溶液,静置6-12小时;(2) Weighing AgNO 3 and dissolving it in the chitosan solution, after fully stirring, forming an AgNO 3 -chitosan mixed solution with a concentration of 0.01-1M, and standing for 6-12 hours; (3)将双层脱脂棉纱布浸泡在AgNO3-壳聚糖混合溶液中,4-24小时后在-20℃~-40℃条件下预冻,冷冻干燥,制得含纳米银和壳聚糖的双层脱脂棉纱布;(3) Soak double-layer degreasing cotton gauze in AgNO 3 -chitosan mixed solution, pre-freeze at -20 ℃ ~ -40 ℃ after 4-24 hours, and freeze-dry to prepare nano-silver and chitosan Double-layer absorbent cotton gauze; (4)将含纳米银和壳聚糖的双层脱脂棉纱布浸泡于2.5%的戊二醛溶液中,0.5-6小时后冷冻干燥;(4) Soak the double-layer degreasing cotton gauze containing nano-silver and chitosan in 2.5% glutaraldehyde solution, freeze-dry after 0.5-6 hours; (5)将经过步骤(4)处理的脱脂棉纱布取出,浸泡于质量浓度为3%的硼氢化钠溶液中6小时以上,取出,将其浸泡在1%的氢氧化钠溶液中3-8小时,用水冲洗后,冷冻干燥获得含有纳米银和壳聚糖的纱布功能层;(5) Take out the absorbent cotton gauze treated in step (4), soak it in the sodium borohydride solution with a mass concentration of 3% for more than 6 hours, take it out, and soak it in 1% sodium hydroxide solution for 3-8 hours , after rinsing with water, freeze-drying to obtain a gauze functional layer containing nano-silver and chitosan; (6)按照纱布层、含有纳米银和壳聚糖的纱布功能层、纱布层、无纺布层的顺序缝制罩体,罩体两侧留有系带穿孔,然后将系带穿过系带穿孔并缝结起来。(6) Sew the cover in the order of the gauze layer, the gauze functional layer containing nano-silver and chitosan, the gauze layer, and the non-woven fabric layer. There are lace perforations on both sides of the cover, and then pass the lace through the tie. Tape perforated and sewed up.
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Cited By (12)

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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 a dust-proof antibacterial mask and preparation method thereof
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
EP3984526A1 (en) * 2020-10-14 2022-04-20 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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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104997196A (en) * 2014-04-22 2015-10-28 冒华 Mask used for bacteria suppression and dust prevention
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
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 a dust-proof antibacterial mask and preparation method thereof
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
EP3984526A1 (en) * 2020-10-14 2022-04-20 Indian Oil Corporation Limited Anti-viral formulation of active nano ingredients for coating on personal protective equipment and for aerosol based disinfectant composition
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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