Electrospun polymeric nanofiber filter material and devices
US-2024278172-A1 · Aug 22, 2024 · US
US12569705B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12569705-B2 |
| Application number | US-202118008692-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 8, 2021 |
| Priority date | Jun 10, 2020 |
| Publication date | Mar 10, 2026 |
| Grant date | Mar 10, 2026 |
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An anti-propylene mask and method for preparation thereof is provided; the anti-propylene mask includes a fiber cloth contact layer, an antistatic non-woven fabric layer and a fullerene/nano titanium dioxide spunbond layer which are arranged in sequence; the fullerene/nano titanium dioxide spunbond layer is made by spun-bonding the modified resin material into a fiber web; the raw materials of modified resin materials include matrix resin, carboxylated fullerene derivatives, nano titanium dioxide, a lubricant, and a coupling agent; the modified resin material is prepared by following method: the carboxylated fullerene derivative is mixed and reacted with the nano titanium dioxide to prepare the carboxylated fullerene derivative-modified nano titanium dioxide, which is then blended and extruded with the remaining components in the raw material, and thus prepared. The mask can prevent propylene from entering the human body through the human respiratory organs and has a good anti-propylene effect.
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The invention claimed is: 1 . An anti-propylene mask comprising: a fiber cloth contact layer; an antistatic non-woven fabric layer; and a fullerene/nano titanium dioxide spunbond layer which are arranged in sequence; the fullerene/nano titanium dioxide spunbond layer is made by spun-bonding a modified resin material into a fiber web; wherein: raw materials of the modified resin material comprise a matrix resin, a carboxylated fullerene derivative, nano titanium dioxide, a lubricant, and a coupling agent, a feeding mass ratio of the matrix resin, the carboxylated fullerene derivative, nano titanium dioxide, the lubricant, and the coupling agent is 1: (0.02-0.14): (0.16-0.45): (0.0005-0.002): (0.0001-0.001), a feeding mass ratio of the carboxylated fullerene derivative to nano titanium dioxide is 1: (1.5-5.0), the matrix resin is selected from a group consisting of: polyethylene terephthalate, polybutylene terephthalate, polyarylate and combinations thereof, an average particle size of the nano titanium dioxide is 150-200 nm; modified resin material is prepared by mixing and reacting a carboxylated fullerene derivative with nano titanium dioxide to prepare carboxylated fullerene derivative-modified nano titanium dioxide, then blending extruding the carboxylated fullerene derivative-modified nano titanium dioxide with a remaining components in the raw material to prepare, where a temperature of the blending extrusion is 190-260° C. 2 . An anti-propylene mask, characterized comprising: a fiber cloth contact layer; and a fullerene/nano titanium dioxide spunbond layer, wherein; the fullerene/nano titanium dioxide spunbond layer is made by spun-bonding a modified resin material into a fiber web, the raw materials of the modified resin material comprising matrix resin, a carboxylated fullerene derivative, nano titanium dioxide, a lubricant, and a coupling agent, the modified resin material is prepared by mixing and reacting a carboxylated fullerene derivative with nano titanium dioxide to prepare carboxylated fullerene derivative-modified nano titanium dioxide, then blending extruding the carboxylated fullerene derivative-modified nano titanium dioxide with the remaining components in the raw material to prepare. 3 . The anti-propylene mask according to claim 2 , wherein that a feeding mass ratio of the matrix resin, the carboxylated fullerene derivative, nano titanium dioxide, the lubricant, and the coupling agent is 1: (0.02-0.14): (0.16-0.45): (0.0005-0.002): (0.0001-0.001). 4 . The anti-propylene mask according to claim 3 , wherein that, the feeding mass ratio of the matrix resin, the carboxylated fullerene derivative, nano titanium dioxide, the lubricant, and the coupling agent is: 1: (0.05-0.13): (0.16-0.40): (0.0005-0.0018): (0.0001-0.0008). 5 . The anti-propylene mask according to claim 2 , wherein a feeding mass ratio of the carboxylated fullerene derivative to nano titanium dioxide is 1: (1.5-5.0). 6 . The anti-propylene mask according to claim 5 , wherein the feeding mass ratio of the carboxylated fullerene derivative to nano titanium dioxide is 1: (2-4). 7 . The anti-propylene mask according to claim 2 , wherein the matrix resin is selected from a group consisting of; polyethylene terephthalate polybutylene terephthalate, polyarylate, and combinations thereof. 8 . The anti-propylene mask according to claim 7 , wherein the matrix resin is polyethylene terephthalate. 9 . The anti-propylene mask according to claim 2 , wherein an average particle size of the nano titanium dioxide is 150-200 nm. 10 . The anti-propylene mask according to claim 2 , further comprising an antistatic non-woven fabric layer arranged between the fiber cloth contact layer and the fullerene/nano titanium dioxide spunbond layer. 11 . The anti-propylene mask according to claim 10 , wherein the antistatic non-woven fabric layer is formed by adhering an antistatic agent on polypropylene melt-blown cloth by spraying, immersing or brushing, and the antistatic agent is a cationic antistatic agent, a nonionic antistatic agent, or a combination thereof. 12 . The anti-propylene mask according to claim 2 , wherein the carboxylated fullerene derivative-modified nano titanium dioxide is prepared by adding the carboxylated fullerene derivative and nano titanium dioxide into absolute ethanol, ultrasonically dispersing to obtain a mixed solution, and maintaining a temperature and reacting the mixed solution at 95-105° C., cooling, centrifuging, washing, and drying to prepare. 13 . The anti-propylene mask according to claim 2 , wherein she a temperature of the blending extrusion is 190-260° C. 14 . The anti-propylene mask according to claim 2 , wherein a material of the fiber cloth contact layer is cotton. 15 . A method for the preparation of an anti-propylene mask according to claim 2 , wherein the preparation method comprises (1) mixing and reacting the carboxylated fullerene derivative with nano titanium dioxide to prepare the carboxylated fullerene derivative-modified nano titanium dioxide; (2) blending extruding the carboxylated fullerene derivative-modified nano titanium dioxide prepared in step (1) with a dried matrix resin and the remaining components in the raw material to prepare the modified resin material; (3) spun-bonding the modified resin material prepared in step (2) into a fiber web, and making the fiber web into the fullerene/nano titanium dioxide spunbond layer; (4) preparation of the antistatic non-woven layer: mixing the antistatic agent with water to prepare an antistatic agent solution, and then adhering the antistatic agent solution on the polypropylene melt-blown cloth by spraying, immersing, or brushing, and drying to prepare; and (5) sequentially stacking the fiber cloth contact layer, the antistatic non-woven fabric layer prepared in step (4), and the fullerene/nano titanium dioxide spunbond layer prepared in step (3) to make the anti-propylene mask.
Filters · CPC title
polyesters, e.g. polyethylene terephthalate [PET] · CPC title
polypropylene · CPC title
Functionality of the treatment composition and/or properties imparted to the textile material · CPC title
Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups · CPC title
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