▎ 摘　　要

NOVELTY - Composite nanofiltration haze antibacterial mask based on graphene oxide comprises a mask body, the periphery of the mask main body is provided with a compression mark. The mask main body from outside to inside is composed of antistatic treatment layer and graphene oxide/silicon dioxide/high polymer composite nanometer filter core, anion fiber non-woven fabric antibacterial bacteriostatic orderly overlapped by the outer surface of the antistatic treatment layer is provided with symmetrical fixing buckle. The fixing buckle can be detachable connected with elastic belt. USE - Used as composite nanofiltration haze antibacterial mask based on graphene oxide. ADVANTAGE - The mask: has good ventilation property; breathing freshening with releasing negative ion; is antibacterial; has low temperature far infrared and ultraviolet-resistant function. DETAILED DESCRIPTION - Composite nanofiltration haze antibacterial mask based on graphene oxide comprises a mask body, the periphery of the mask main body is provided with a compression mark. The mask main body from outside to inside is composed of antistatic treatment layer and graphene oxide/silicon dioxide/high polymer composite nanometer filter core, anion fiber non-woven fabric antibacterial bacteriostatic orderly overlapped by the outer surface of the antistatic treatment layer is provided with symmetrical fixing buckle. The fixing buckle can be detachable connected with elastic belt. The outer side of the middle of mask main body near the upper part of the antibacterial layer is provided with a nose, the lower side of the nose is provided with antistatic treatment layer and graphene oxide/silicon dioxide/macromolecule polymer composite nano filter core layer between the aluminum strip. An INDEPENDENT CLAIM is also included for preparing composite nanofiltration haze antibacterial mask based on graphene oxide comprising (i) adding the polypropylene non-woven fabric base material and paved on the metal plate inner ground surface density of the polypropylene fiber nonwoven fabric is 30-75 g/m2, (ii) using reaction vessel and adding graphene oxide, nano-silicon dioxide with ratio of 4:3, stirring at the speed of 10-80 degrees C and reacting for 1-15 hours under a neutral condition to obtain grapheme oxide/silica composite, (iii) using graphene oxide/silicon dioxide compound, macromolecule polymer dissolved in the solvent, stirring to completely dissolve to obtain the spinning solution, the mass percentage concentration of the spinning solution is 5-20 wt.%, (iv) using spinning solution prepared in the step (iii) into the injection pump, controlling the environment humidity to 20-60, maintaining environment temperature at 20-50 degrees C, making the injection pump connected with the spinneret, the spinneret is set above the metal plate the paved non-woven fabric, the distance between the spinneret and the metal flat plate is 15-35 cm, applying high voltage between the spinneret and the metal plate, the arrival of the spinning solution from the injection pump through pipeline to 0.1-3.5 ml/h flow rate of sprayed graphite oxide/silicon dioxide/macromolecule polymer composite nano fiber, graphene oxide/silicon dioxide/macromolecule polymer composite nano fiber falls on the polypropylene non-woven fabric base material on the surface of the metal flat plate, collecting the polypropylene nonwoven fabric base material on the graphene oxide/silicon dioxide/macromolecule polymer composite nano fiber to obtain grapheme oxide/silicon dioxide/high polymer composite nanometer film filtering layer material, (v) loading with graphene oxide/silicon dioxide/polypropylene non-woven fabric base material of high molecular polymer composite nano film filtering layer material from the metal plate. the other layers of polypropylene non-woven fabric compounded on loaded with graphene oxide/silicon dioxide/high polymer composite nanometer film filtering layer material of polypropylene non-woven fabric substrate formed on the polypropylene non-woven fabric/graphene oxide/silicon dioxide/macromolecule polymer composite nanometre film filtration material, (vi) adding the polypropylene non-woven cloth in the step (v) the prepared/graphene oxide/silicon dioxide/high polymer composite nano film filtering material and allowing to stand for 1.5-2.5 hours in the vacuum drying box, maintaining temperature at 10-30 degrees C, allowing to stand for 10-15 hours, drying to obtain graphite oxide/silicon dioxide/macromolecule polymer composite nano filter core layer, (vii) adding the antistatic treatment layer, graphene oxide/silicon dioxide/macromolecule polymer composite nano filter core, ion fiber nonwoven fabric antibacterial bacteriostatic sequence after superposition, the periphery and thermocompression bonding to obtain mask main body, the mask main body pressing a folding edge arranged along the vertical central line of the mark, (viii) the outer side of the mask main body is prepared in the step (vii), upper part of the antibacterial function layer installed on the nose, symmetrically installed on the outside surface of the antistatic treatment layer of the fixing buckle, the nose is mounted on the lower side on the antistatic treatment layer and graphene oxide/silicon dioxide/macromolecule polymer composite nano filter core layer between the aluminum strip, where the folded edge with the outward opening of the aluminum strip to form a mask with three dimensional breathing space.