CN111436690A - 一种防护口罩 - Google Patents

一种防护口罩 Download PDF

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CN111436690A
CN111436690A CN202010323135.7A CN202010323135A CN111436690A CN 111436690 A CN111436690 A CN 111436690A CN 202010323135 A CN202010323135 A CN 202010323135A CN 111436690 A CN111436690 A CN 111436690A
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graphene
layer
solution
protective mask
woven fabric
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徐�明
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Kangye Jiangsu Medical Technology Co ltd
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    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/02Layered materials
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • A41D31/12Hygroscopic; Water retaining
    • A41D31/125Moisture handling or wicking function through layered materials
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • A41D31/30Antimicrobial, e.g. antibacterial
    • A41D31/305Antimicrobial, e.g. antibacterial using layered materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/033 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/02Coating on the layer surface on fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/26Polymeric coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
    • B32B2260/021Fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04Impregnation, embedding, or binder material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04Impregnation, embedding, or binder material
    • B32B2260/046Synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/714Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145Rot proof, resistant to bacteria, mildew, mould, fungi

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Materials (AREA)

Abstract

本发明公开一种防护口罩,包括由外至内依次叠置的防尘成型层、复合过滤层、面部贴合层,所述复合过滤层喷涂有石墨烯复合溶液,所述石墨烯复合溶液包括纳米银离子粉、石墨烯水溶液、栀子花液、药液;所述防尘成型层为石墨烯改性无纺布层;所述面部贴合层为亲水纺粘无纺布层。本发明的防护口罩具有良好的抗菌抗病毒性能、超强的吸附性能和味道清新同时佩戴舒适的性能。

Description

一种防护口罩
技术领域
本发明涉及卫生防护技术领域,具体涉及一种防护口罩。
背景技术
近年来,因为受到流行性感冒以及禽流感、冠状病毒所代表的新型感染病等的影响,盛行开发防护口罩。现有的防护口罩,吸附灰尘性能较差、除臭性欠缺、防尘抗菌和防病毒的作用一般,透气性低,呼吸出的水气不能及时排出,使得面部有水粘住的感觉,影响佩戴口罩的舒适性。
为此,需要一种新的技术方案以解决上述技术问题。
发明内容
本发明的目的:在于提供一种防护口罩。
本发明提供如下技术方案:一种防护口罩,包括由外至内依次叠置的防尘成型层、复合过滤层、面部贴合层,所述复合过滤层喷涂有石墨烯复合溶液,所述石墨烯复合溶液包括纳米银离子粉、石墨烯水溶液、栀子花液、药液。
优选的,所述石墨烯复合溶液包括25-30质量份的纳米银离子粉、40-45质量份的石墨烯水溶液、20-25质量份的栀子花液、10-15质量份的药液。
优选的,所述石墨烯水溶液中的石墨烯以秸秆为原料,基于热裂解法制备而成。
优选的,所述药液的原料包括但不限于茉莉花、薄荷冰。
优选的,所述药液的具体制备步骤如下:
1)对各原料等量筛选,去除杂质后,放入清水中浸泡四个小时,捞出后投入金银花露中,以原料:金银花露为1:8的配比,用中火煎熬半个小时,晾至室温后将药液滤出放入容器内备用;
2)在药液中加入3%的活性碳过滤后,提纯出药液。
优选的,所述石墨烯复合溶液的具体制备步骤如下:
1)将在配方量的药液中加入配方量的纳米银离子粉、栀子花液和石墨烯水溶液,逐步磁动搅拌均匀,充分混合;
2)将石墨烯复合溶液高雾化后,喷涂到无纺布的内表面和外表面;
3)将喷涂过石墨烯复合溶液的无纺布在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时。
优选的,所述防尘成型层为石墨烯改性无纺布层。
优选的,所述石墨烯改性无纺布层的具体制备步骤如下:
1)将无纺布浸泡在改性溶液中,进行表面改性,然后在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时;
2)利用EDC/NHS偶联法对氧化石墨烯产物进行氨基化改性,制备得到氨基改性氧化石墨烯;
3)将氨基改性氧化石墨烯制备成氨基改性氧化石墨烯水溶液;
4)使用空气压缩机将氨基改性氧化石墨烯水溶液;喷涂于改性无纺布表面,作为第一涂层;
5)将氨基改性氧化石墨烯水溶液高雾化,喷涂于第一涂层上,作为第二涂层;
6)将双涂层的改性无纺布在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时。
进一步的,步骤1)中,所述改性溶液包括改性酚醛树脂、醋酸乙烯-丙烯酰胺涂覆液。
优选的,所述面部贴合层为亲水纺粘无纺布层。
本发明的有益效果为:本发明复合过滤层中的栀子花液,提升了本发明的除臭效果;本发明复合过滤层中的纳米银离子粉和石墨烯水溶液,提升了本发明的过滤效果,具有很好的抗菌防病毒作用;本发明复合过滤层中的金银花露、茉莉花、薄荷冰,进一步提升了本发明的抗菌防菌作用;本发明面部贴合层为亲水纺粘无纺布层,可以迅速将水气吸收到复合过滤层,避免水气在面部积累,提高了佩戴舒适度;本发明防尘成型层为石墨烯改性无纺布层,具有既能防微粒过滤、又能抗菌阻隔防护的优点。总的来说,本发明的防护口罩具有良好的抗菌抗病毒性能、超强的吸附性能和味道清新同时佩戴舒适的性能。
附图说明
图1为本发明的整体结构示意图。
图中:1、防尘成型层,2、复合过滤层,3、面部贴合层。
具体实施方式
如图1所示,一种防护口罩,包括由外至内依次叠置的防尘成型层1、复合过滤层2、面部贴合层3,复合过滤层2喷涂有石墨烯复合溶液,石墨烯复合溶液包括纳米银离子粉、石墨烯水溶液、栀子花液、药液。
栀子花液花香清新,耐久闻,具有很好的除臭效果。
纳米银离子粉和石墨烯水溶液,能提升过滤效果,具有很好的抗菌防病毒作用。
石墨烯复合溶液包括25-30质量份的纳米银离子粉、40-45质量份的石墨烯水溶液、20-25质量份的栀子花液、10-15质量份的药液。
石墨烯水溶液中的石墨烯以秸秆为原料,基于热裂解法制备而成。
药液的原料包括但不限于茉莉花、薄荷冰。
药液的具体制备步骤如下:
1)对各原料等量筛选,去除杂质后,放入清水中浸泡四个小时,捞出后投入金银花露中,以原料:金银花露为1:8的配比,用中火煎熬半个小时,晾至室温后将药液滤出放入容器内备用;
2)在药液中加入3%的活性碳过滤后,提纯出药液。
石墨烯复合溶液的具体制备步骤如下:
1)将在配方量的药液中加入配方量的纳米银离子粉、栀子花液和石墨烯水溶液,逐步磁动搅拌均匀,充分混合;
2)将石墨烯复合溶液高雾化后,喷涂到无纺布的内表面和外表面;
3)将喷涂过石墨烯复合溶液的无纺布在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时。
金银花露的作用是清热、消暑、解毒;茉莉花具有辛、甘、凉、清热解毒的特点;薄荷冰止痒、消炎、止痛的同时,局部具有凉感。
防尘成型层1为石墨烯改性无纺布层,具有既能防微粒过滤、又能抗菌阻隔防护的优点。
石墨烯改性无纺布层的具体制备步骤如下:
1)将无纺布浸泡在改性溶液中,进行表面改性,然后在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时;
2)利用EDC/NHS偶联法对氧化石墨烯产物进行氨基化改性,制备得到氨基改性氧化石墨烯;
3)将氨基改性氧化石墨烯制备成氨基改性氧化石墨烯水溶液;
4)使用空气压缩机将氨基改性氧化石墨烯水溶液;喷涂于改性无纺布表面,作为第一涂层;
5)将氨基改性氧化石墨烯水溶液高雾化,喷涂于第一涂层上,作为第二涂层;
6)将双涂层的改性无纺布在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时。
步骤1)中,改性溶液包括改性酚醛树脂、醋酸乙烯-丙烯酰胺涂覆液。
改性酚醛树脂大大增强了防尘成型层1的耐裂性,醋酸乙烯-丙烯酰胺涂覆液提升了防尘成型层1的防尘效果,双层喷涂的氨基改性氧化石墨烯水溶液使防尘成型层1具有更强的防病毒抗菌效果。
面部贴合层3为亲水纺粘无纺布层,可以迅速将水气吸收到复合过滤层,避免水气在面部积累,提高了佩戴舒适度。

Claims (10)

1.一种防护口罩,其特征在于,包括由外至内依次叠置的防尘成型层(1)、复合过滤层(2)、面部贴合层(3),所述复合过滤层(2)喷涂有石墨烯复合溶液,所述石墨烯复合溶液包括纳米银离子粉、石墨烯水溶液、栀子花液、药液。
2.根据权利要求1所述的一种防护口罩,其特征在于,所述石墨烯复合溶液包括25-30质量份的纳米银离子粉、40-45质量份的石墨烯水溶液、20-25质量份的栀子花液、10-15质量份的药液。
3.根据权利要求2所述的一种防护口罩,其特征在于,所述石墨烯水溶液中的石墨烯以秸秆为原料,基于热裂解法制备而成。
4.根据权利要求2所述的一种防护口罩,其特征在于,所述药液的原料包括但不限于茉莉花、薄荷冰。
5.根据权利要求1所述的一种防护口罩,其特征在于,所述药液的具体制备步骤如下:
1) 对各原料等量筛选,去除杂质后,放入清水中浸泡四个小时,捞出后投入金银花露中,以原料:金银花露为1:8的配比,用中火煎熬半个小时,晾至室温后将药液滤出放入容器内备用;
2) 在药液中加入3%的活性碳过滤后,提纯出药液。
6.根据权利要求1所述的一种防护口罩,其特征在于,所述石墨烯复合溶液的具体制备步骤如下:
1) 将在配方量的药液中加入配方量的纳米银离子粉、栀子花液和石墨烯水溶液,逐步磁动搅拌均匀,充分混合;
2) 将石墨烯复合溶液高雾化后,喷涂到无纺布的内表面和外表面;
3) 将喷涂过石墨烯复合溶液的无纺布在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时。
7.根据权利要求1所述的一种防护口罩,其特征在于,所述防尘成型层(1)为石墨烯改性无纺布层。
8.根据权利要求7所述的一种防护口罩,其特征在于,所述石墨烯改性无纺布层的具体制备步骤如下:
1) 将无纺布浸泡在改性溶液中,进行表面改性,然后在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时;
2) 利用EDC/NHS偶联法对氧化石墨烯产物进行氨基化改性,制备得到氨基改性氧化石墨烯;
3) 将氨基改性氧化石墨烯制备成氨基改性氧化石墨烯水溶液;
4) 使用空气压缩机将氨基改性氧化石墨烯水溶液;喷涂于改性无纺布表面,作为第一涂层;
5) 将氨基改性氧化石墨烯水溶液高雾化,喷涂于第一涂层上,作为第二涂层;
6) 将双涂层的改性无纺布在温度为70-75℃,真空度为700mmHg以下干燥0.5-1小时。
9.根据权利要求8所述的一种防护口罩,其特征在于,步骤1)中,所述改性溶液包括改性酚醛树脂、醋酸乙烯-丙烯酰胺涂覆液。
10.根据权利要求1所述的一种防护口罩,其特征在于,所述面部贴合层(3)为亲水纺粘无纺布层。
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