Washable long-acting filtering graphene antibacterial mask and preparation method thereof

A graphene and olefin antibacterial water technology, which is applied in the manufacture of rayon, single-component polyolefin rayon, protective clothing, etc., can solve the problem of improving the filtration efficiency of melt-blown cloth, complex preparation methods of flower-shaped graphene, and industrial The advantages of chemical application are not obvious, etc., to achieve the effect of high electret retention rate and bacterial filtration efficiency, good air permeability and water washing and air permeability retention, and improve the performance of water electret

Active Publication Date: 2021-08-13
惠州市栢诗新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation method of the flower-shaped graphene is complicated, the preparation cost is high, and the advantages of industrial application are not obvious, and the patent does not improve the filtration efficiency of the melt-blown cloth

Method used

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  • Washable long-acting filtering graphene antibacterial mask and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of preparation method of the washable long-term filtering graphene antibacterial mask of the present embodiment comprises the following preparation steps:

[0030] (1) Preparation of graphene antibacterial water electret masterbatch: add graphene oxide to solvent ethanol, then add heptadecafluorodecyltrimethoxysilane for surface modification reaction, heptadecafluorodecyltrimethoxysilane The addition amount is 5% of graphene oxide quality, and appropriate amount of water is added dropwise in the reaction process, and vacuum drying removes solvent, obtains modified graphene; Modified graphene and polypropylene resin and compatibilizing resin MAH-g-POE The percentage content is 10% of modified graphene, 85% of polypropylene resin and 5% of MAH-g-POE, which are melt blended and extruded, and granulated to obtain graphene antibacterial water electret masterbatch.

[0031] (2) Preparation of graphene water electret melt-blown non-woven fabric: after mixing 20% ​​of th...

Embodiment 2

[0034] A kind of preparation method of the washable long-term filtering graphene antibacterial mask of the present embodiment comprises the following preparation steps:

[0035] (1) Preparation of graphene antibacterial water electret masterbatch: add graphene oxide to the solvent isopropanol, then add heptadecafluorodecyltrimethoxysilane for surface modification reaction, heptadecafluorodecyltrimethoxysilane The amount of base silane added is 1% of the mass of graphene oxide, an appropriate amount of water is added dropwise during the reaction, and the solvent is removed by vacuum drying to obtain modified graphene; the modified graphene is mixed with polypropylene resin and compatibilizing resin MAH-g-POE According to the mass percentage, 15% of modified graphene, 77% of polypropylene resin and 8% of MAH-g-POE are melt blended and extruded, and granulated to obtain graphene antibacterial water electret master batch.

[0036](2) Preparation of graphene water electret melt-blo...

Embodiment 3

[0039] A kind of preparation method of the washable long-term filtering graphene antibacterial mask of the present embodiment comprises the following preparation steps:

[0040] (1) Preparation of graphene antibacterial water electret masterbatch: graphene oxide is added to solvent ethanol, then heptadecafluorodecyltrimethoxysilane and vinyltrimethoxysilane are added to carry out surface modification reaction, seventeen The addition of fluorodecyltrimethoxysilane is 5% of the mass of graphene oxide, the addition of vinyltrimethoxysilane is 2.5% of the mass of graphene oxide, an appropriate amount of water is added dropwise during the reaction, and the solvent is removed by vacuum drying to obtain Modified graphene; the modified graphene, polypropylene resin and compatibilizing resin MAH-g-POE are modified graphene 10%, polypropylene resin 85% and MAH-g-POE 5% by mass percentage Melting, blending, extruding, and granulating to obtain the graphene antibacterial water electret ma...

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Abstract

The invention belongs to the technical field of protective masks, and discloses a washable long-acting filtering graphene antibacterial mask and a preparation method thereof. The mask is composed of a spunbond non-woven fabric, a graphene water electret melt-blown non-woven fabric, a melt-blown non-woven fabric and a spunbond non-woven fabric which are stacked in sequence. The preparation method comprises the following steps: carrying out surface modification on graphite oxide by using a fluorosilane coupling agent, carrying out melt blending extrusion and granulation on the graphite oxide, polypropylene resin and compatibilizing resin to obtain graphene antibacterial water electret master batches, mixing the graphene antibacterial water electret master batches with the polypropylene resin, carrying out melt-blowing spinning molding, obtaining a graphene water electret melt-blown non-woven fabric through a water electret, laying and cutting all the layers of non-woven fabric into a mask shape, and pressing to obtain a mask finished product. According to the invention, the mask is durable in antibacterial effect, washable and high in bacteria filtering efficiency; and the air permeability and washing air permeability retainability are good, and the fabric can be washed repeatedly.

Description

technical field [0001] The invention belongs to the technical field of protective masks, and in particular relates to a washable long-lasting filter graphene antibacterial mask and a preparation method thereof. Background technique [0002] The main function of protective masks is to block foreign objects such as particles, dust, bacteria, viruses, etc. from entering the human body through the respiratory tract. At present, most masks are made of non-woven fabric, which is not only low in cost, but also has a good protective effect, and has been widely used. However, with the improvement of protection requirements, the requirements for mask filtration and antibacterial performance continue to increase, and ordinary non-woven fabrics can no longer meet people's requirements. Moreover, existing protective masks are generally disposable and cannot be reused, and the material of the mask is non-degradable polypropylene, resulting in waste of resources and environmental pollutio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A41D13/11A41D31/02A41D31/30A41D31/14A41D31/04D01F6/46D01F1/10D04H1/4291D04H1/56D04H1/492
CPCA41D13/11A41D13/1192A41D31/02A41D31/30A41D31/14A41D31/04D01F6/46D01F1/10D01F1/103D04H1/4291D04H1/56D04H1/492A41D2500/30
Inventor 李泳
Owner 惠州市栢诗新材料有限公司
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