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
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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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