CN109731413A - A kind of functionality graphene airstrainer and preparation method thereof - Google Patents
A kind of functionality graphene airstrainer and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of functional graphene airstrainers and preparation method thereof, and the raw material of the graphene airstrainer includes by mass percentage: polypropylene 89%~99%, graphene raw material 0.1%~10%, surfactant 0.1%~1%, additive 0.1%~5%.The present invention also provides the preparation method of the functionality graphene airstrainer, it includes: step 1, each raw material is weighed in proportion；Step 2, polypropylene agglomerate is ground；Step 3, polypropylene powder is mixed with graphene raw material powder, surfactant, additive, is stirred evenly；Step 4, it adds mixture in screw extruder, melts, fiber is collected on roller receiver, forms graphene polypropylene filter cloth by spinneret solidification.Functionality graphene airstrainer prepared by the present invention, can be improved former strainer filtering efficiency, effectively removes the malicious harmful substance contained in environment, protect people's health.
Description
Technical field
The present invention relates to a kind of graphene airstrainers and preparation method thereof, and in particular, to a kind of functionality graphite
Alkene airstrainer and preparation method thereof.
Background technique
Graphene is the single layer of carbon atom material being stripped out from graphite, tightly packed at single layer two dimension bee by carbon atom
Nest shape lattice structure, it is the material that thickness known to the mankind is most thin, quality is most hard, electric conductivity is best.Graphene has excellent
Different mechanics, electrical and optical properties, structure is highly stable, and researcher not yet has found have carbon atom to lack in graphene so far
The case where mistake, the link between carbon atom is very flexible, also harder than diamond, on the intensity steel more best than in the world is taller
100 times, if packaging bag is made with graphene, it will bear about two tons of heavy articles, almost transparent, but extremely cause
It is close, it is waterproof, airtight, it can not pass through atomic size the smallest helium, conduct electricity very well, the fortune of electronics in graphene
Dynamic speed has reached the 1/300 of the light velocity, and electric conductivity has been more than any traditional conductive material, chemical property similar to graphite surface,
Various atoms and molecule can be adsorbed and be desorbed, the ability of strong acid and strong base is also resisted.
Summary of the invention
The object of the present invention is to provide a kind of composite graphite alkene airstrainers and preparation method thereof, improve former strainer filtering
Efficiency, the particulate matter contained, formaldehyde, benzene, methacrylaldehyde, bacterium, the virus etc. that can be effectively removed in the environment such as interior, car have
Malicious harmful substance protects people's health.
In order to achieve the above object, the present invention provides a kind of functional graphene airstrainers, wherein the stone
The raw material of black alkene airstrainer includes by mass percentage: polypropylene 89%~99%, graphene raw material 0.1%~
10%, surfactant 0.1%~1%, additive 0.1%~5%.
Above-mentioned functional graphene airstrainer, wherein the graphene raw material includes graphene or oxidation stone
Black alkene, graphene or graphene oxide be using comprising mechanical stripping method, chemical vapour deposition technique, oxidation-reduction method method system
Any one standby.
Above-mentioned functional graphene airstrainer, wherein the surfactant includes polyvinyl alcohol, poly- second two
Alcohol, sodium lignin sulfonate, polyethylene pyrrole network alkanone (PVP), dodecyl pyrrolidone, dodecyl sodium sulfate, Methyl cellulose
Any one or more in element.
Above-mentioned functional graphene airstrainer, wherein the additive includes diethylenetriamine, hexa metaphosphoric acid
Sodium, lysine, ferric nitrate, basic copper carbonate, potassium iodide, any one or more in sodium thiosulfate.
The present invention also provides the preparation methods of above-mentioned functional graphene airstrainer, wherein the method
Include: step 1, weighing each raw material in proportion；Step 2, polypropylene agglomerate is ground, obtains polypropylene powder；Step 3, will
The resulting polypropylene powder of step 2 is mixed with graphene raw material powder, surfactant, additive, is stirred evenly by blender；Step
Rapid 4, the resulting mixture of step 3 is added in screw extruder, is melted, then enters spinneret by fondant filter,
Under hot high pressure airflow function, melt is stretched, and forms microfilament, then cools and solidifies under Cold air mass influence on the outside, most
Cured fiber is collected on roller receiver afterwards, forms graphene polypropylene filter cloth, it is empty to be re-used as functional graphene
Gas filter screen.
The preparation method of above-mentioned functional graphene airstrainer, wherein in the step 2, by polypropylene mother
Grain is ground, and the diameter of particle after grinding is greater than 200 mesh.
The preparation method of above-mentioned functional graphene airstrainer, wherein in the step 4, the spray of spinneret
Silk die head temperature is 200~240 DEG C.
The preparation method of above-mentioned functional graphene airstrainer, wherein in the step 4, hot high pressure air-flow
Hot air temperature be 260~280 DEG C, heat air pressure be 0.2~0.6MPa.
The preparation method of above-mentioned functional graphene airstrainer, wherein in the step 4, roller receiver
Reception drum rotation speed be 15~20r/min, receive distance be 10~15cm.
The preparation method of above-mentioned functional graphene airstrainer, wherein in the step 4, resulting fiber
Diameter is 0.5~5 μm, and non-woven fabrics grammes per square metre is about 40~80g/m2。
Functionality graphene airstrainer provided by the invention and preparation method thereof has the advantage that
The present invention prepares air purifier graphene filtering non-woven cloth using meltblown, which can
Used in surface layers such as air-conditioning, air purifier, vehicle-mounted clarifiers, it may filter that partial size is greater than 0.1 micron or more particulate matter, filter efficiency
Reach 95% or more, extends the products service lifes such as air purifier, while graphene has antibacterial functions, can will be adsorbed on
Killing bacteria on strainer protects human health.
The present invention is to prepare a kind of composite air filtering net, the strainer using meltblown based on the basis of graphite olefinic functionality
It can be attached to above the strainers such as air-conditioning, air purifier, vehicular air purifier, improve former strainer filtering efficiency, it can be effective
The poisonous and harmful substances such as the particulate matter contained, formaldehyde, benzene, methacrylaldehyde, bacterium, the virus in the environment such as interior, car are removed, are protected
Protect people's health.
The graphene composite air strainer of this method preparation, simple process is easy to operate, low in cost, high financial profit, fits
Close large-scale industrial production.
Specific embodiment
A specific embodiment of the invention is further described below.
Functionality graphene airstrainer provided by the invention, the raw material of the graphene airstrainer press quality percentage
Include than meter: polypropylene 89%~99%, graphene raw material 0.1%~10%, surfactant 0.1%~1%, additive
0.1%~5%.
Graphene raw material includes graphene or graphene oxide, and graphene or graphene oxide are using comprising mechanical stripping
Method, chemical vapour deposition technique, oxidation-reduction method method preparation any one.
Surfactant includes polyvinyl alcohol, polyethylene glycol, sodium lignin sulfonate, polyethylene pyrrole network alkanone (PVP), 12
Alkyl pyrrolidone, dodecyl sodium sulfate, any one or more in methylcellulose.
Additive includes diethylenetriamine, calgon, lysine, ferric nitrate, basic copper carbonate, potassium iodide, thio
Any one or more in sodium sulphate.
The present invention also provides the preparation method of the functionality graphene airstrainer, it includes: step 1, in proportion
Weigh each raw material；Step 2, polypropylene agglomerate is ground, obtains polypropylene powder；Step 3, by the resulting polypropylene of step 2
Powder is mixed with graphene raw material powder, surfactant, additive, is stirred evenly by blender；Step 4, step 3 is resulting
Mixture is added in screw extruder, then melting enters spinneret by fondant filter, in hot high pressure airflow function
Under, melt is stretched, and forms microfilament, then cools and solidifies under Cold air mass influence, finally receive cured fiber on the outside
Collection forms graphene polypropylene filter cloth, is re-used as functional graphene airstrainer on roller receiver.
In step 2, polypropylene agglomerate is ground, the diameter of particle after grinding is greater than 200 mesh.
In step 4, the spinneret die temperature of spinneret is 200~240 DEG C.The hot air temperature of hot high pressure air-flow is 260
~280 DEG C, heat air pressure is 0.2~0.6MPa.The reception drum rotation speed of roller receiver be 15~20r/min, receive away from
From for 10~15cm.Resulting fibre diameter is 0.5~5 μm, and non-woven fabrics grammes per square metre is about 40~80g/m2。
Below with reference to embodiment to functional graphene airstrainer provided by the invention and preparation method thereof do more into
The description of one step.
Embodiment 1
A kind of functionality graphene airstrainer, raw material includes by mass percentage: polypropylene 95.9%, graphite
Alkene raw material 0.1%, surfactant 1%, additive 3%.
Graphene raw material includes graphene or graphene oxide, and graphene or graphene oxide are using mechanical stripping legal system
Standby.
Surfactant includes polyvinyl alcohol, polyethylene glycol.Additive includes diethylenetriamine.
The present embodiment additionally provides the preparation method of the functionality graphene airstrainer, it includes:
Step 1, each raw material is weighed in proportion.
Step 2, polypropylene agglomerate is ground, the diameter of particle after grinding is greater than 200 mesh, obtains polypropylene powder.
Step 3, the resulting polypropylene powder of step 2 is mixed with graphene raw material powder, surfactant, additive, is passed through
Blender stirs evenly.
Step 4, the resulting mixture of step 3 is added in screw extruder, melt, then by fondant filter into
Enter spinneret, under hot high pressure airflow function, melt is stretched, and forms microfilament, then cold under Cold air mass influence on the outside
But solidify, finally collect cured fiber on roller receiver, form graphene polypropylene filter cloth, be re-used as functionality
Graphene airstrainer.Wherein, the spinneret die temperature of spinneret is 200 DEG C.The hot air temperature of hot high pressure air-flow is 260
DEG C, heat air pressure 0.2MPa.The reception drum rotation speed of roller receiver is 15r/min, and receiving distance is 10cm.It is resulting
Fibre diameter is 0.5~5 μm, and non-woven fabrics grammes per square metre is about 40g/m2。
Embodiment 2
A kind of functionality graphene airstrainer, raw material includes by mass percentage: polypropylene 99%, graphene
Raw material 0.8%, surfactant 0.1%, additive 0.1%.
Graphene raw material includes graphene or graphene oxide, and graphene or graphene oxide are using chemical vapor deposition
Method preparation.
Surfactant includes sodium lignin sulfonate.Additive includes calgon.
The present embodiment additionally provides the preparation method of the functionality graphene airstrainer, it includes:
Step 1, each raw material is weighed in proportion.
Step 2, polypropylene agglomerate is ground, the diameter of particle after grinding is greater than 200 mesh, obtains polypropylene powder.
Step 3, the resulting polypropylene powder of step 2 is mixed with graphene raw material powder, surfactant, additive, is passed through
Blender stirs evenly.
Step 4, the resulting mixture of step 3 is added in screw extruder, melt, then by fondant filter into
Enter spinneret, under hot high pressure airflow function, melt is stretched, and forms microfilament, then cold under Cold air mass influence on the outside
But solidify, finally collect cured fiber on roller receiver, form graphene polypropylene filter cloth, be re-used as functionality
Graphene airstrainer.Wherein, the spinneret die temperature of spinneret is 210 DEG C.The hot air temperature of hot high pressure air-flow is 265
DEG C, heat air pressure 0.3MPa.The reception drum rotation speed of roller receiver is 16r/min, and receiving distance is 12cm.It is resulting
Fibre diameter is 0.5~5 μm, and non-woven fabrics grammes per square metre is about 50g/m2。
Embodiment 3
A kind of functionality graphene airstrainer, raw material includes by mass percentage: polypropylene 89.5%, graphite
Alkene raw material 5%, surfactant 0.5%, additive 5%.
Graphene raw material includes graphene or graphene oxide, and graphene or graphene oxide are using oxidation-reduction method
Method preparation.
Surfactant includes polyethylene pyrrole network alkanone (PVP).Additive includes lysine.
The present embodiment additionally provides the preparation method of the functionality graphene airstrainer, it includes:
Step 1, each raw material is weighed in proportion.
Step 2, polypropylene agglomerate is ground, the diameter of particle after grinding is greater than 200 mesh, obtains polypropylene powder.
Step 3, the resulting polypropylene powder of step 2 is mixed with graphene raw material powder, surfactant, additive, is passed through
Blender stirs evenly.
Step 4, the resulting mixture of step 3 is added in screw extruder, melt, then by fondant filter into
Enter spinneret, under hot high pressure airflow function, melt is stretched, and forms microfilament, then cold under Cold air mass influence on the outside
But solidify, finally collect cured fiber on roller receiver, form graphene polypropylene filter cloth, be re-used as functionality
Graphene airstrainer.Wherein, the spinneret die temperature of spinneret is 220 DEG C.The hot air temperature of hot high pressure air-flow is 270
DEG C, heat air pressure 0.4MPa.The reception drum rotation speed of roller receiver is 17r/min, and receiving distance is 13cm.It is resulting
Fibre diameter is 0.5~5 μm, and non-woven fabrics grammes per square metre is about 60g/m2。
Embodiment 4
A kind of functionality graphene airstrainer, raw material includes by mass percentage: polypropylene 90.2%, graphite
Alkene raw material 8%, surfactant 0.8%, additive 1%.
Graphene raw material includes graphene or graphene oxide, graphene or graphene oxide be using mechanical stripping method or
Chemical vapour deposition technique preparation.
Surfactant includes dodecyl pyrrolidone and dodecyl sodium sulfate.Additive includes ferric nitrate or iodate
Potassium.
The present embodiment additionally provides the preparation method of the functionality graphene airstrainer, it includes:
Step 1, each raw material is weighed in proportion.
Step 2, polypropylene agglomerate is ground, the diameter of particle after grinding is greater than 200 mesh, obtains polypropylene powder.
Step 3, the resulting polypropylene powder of step 2 is mixed with graphene raw material powder, surfactant, additive, is passed through
Blender stirs evenly.
Step 4, the resulting mixture of step 3 is added in screw extruder, melt, then by fondant filter into
Enter spinneret, under hot high pressure airflow function, melt is stretched, and forms microfilament, then cold under Cold air mass influence on the outside
But solidify, finally collect cured fiber on roller receiver, form graphene polypropylene filter cloth, be re-used as functionality
Graphene airstrainer.Wherein, the spinneret die temperature of spinneret is 230 DEG C.The hot air temperature of hot high pressure air-flow is 275
DEG C, heat air pressure 0.5MPa.The reception drum rotation speed of roller receiver is 18r/min, and receiving distance is 14cm.It is resulting
Fibre diameter is 0.5~5 μm, and non-woven fabrics grammes per square metre is about 70g/m2。
Embodiment 5
A kind of functionality graphene airstrainer, raw material includes by mass percentage: polypropylene 89%, graphene
Raw material 10%, surfactant 0.3%, additive 0.7%.
Graphene raw material includes graphene or graphene oxide, and graphene or graphene oxide are using chemical vapor deposition
Prepared by method or oxidation-reduction method.
Surfactant includes methylcellulose.Additive includes basic copper carbonate and sodium thiosulfate.
The present embodiment additionally provides the preparation method of the functionality graphene airstrainer, it includes:
Step 1, each raw material is weighed in proportion.
Step 2, polypropylene agglomerate is ground, the diameter of particle after grinding is greater than 200 mesh, obtains polypropylene powder.
Step 3, the resulting polypropylene powder of step 2 is mixed with graphene raw material powder, surfactant, additive, is passed through
Blender stirs evenly.
Step 4, the resulting mixture of step 3 is added in screw extruder, melt, then by fondant filter into
Enter spinneret, under hot high pressure airflow function, melt is stretched, and forms microfilament, then cold under Cold air mass influence on the outside
But solidify, finally collect cured fiber on roller receiver, form graphene polypropylene filter cloth, be re-used as functionality
Graphene airstrainer.Wherein, the spinneret die temperature of spinneret is 240 DEG C.The hot air temperature of hot high pressure air-flow is 280
DEG C, heat air pressure 0.6MPa.The reception drum rotation speed of roller receiver is 20r/min, and receiving distance is 15cm.It is resulting
Fibre diameter is 0.5~5 μm, and non-woven fabrics grammes per square metre is about 80g/m2。
Functionality graphene airstrainer provided by the invention and preparation method thereof, it is intended to prepare one kind using meltblown
Graphene composite air filtering net, the graphene composite air filtering net have excellent purification air, except formaldehyde, eliminate the unusual smell
Function can be widely applied and be attached to above the strainers such as air-conditioning, air purifier, vehicle-mounted clarifier, enhance air filtration efficiency,
Effectively remove the venomous injurants such as the particulate matter contained, formaldehyde, benzene, methacrylaldehyde, bacterium, the virus in the environment such as interior, car
Matter protects people's health.
Functionality graphene airstrainer provided by the invention and preparation method thereof,
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of functionality graphene airstrainer, which is characterized in that the raw material of the graphene airstrainer presses matter
Amount percentages include: polypropylene 89%~99%, surfactant 0.1%~1%, adds graphene raw material 0.1%~10%
Add agent 0.1%~5%.
2. functionality graphene airstrainer as described in claim 1, which is characterized in that the graphene raw material includes
Graphene or graphene oxide, graphene or graphene oxide are using comprising mechanical stripping method, chemical vapour deposition technique, oxidation
Any one of the method preparation of reduction method.
3. functionality graphene airstrainer as described in claim 1, which is characterized in that the surfactant includes
Polyvinyl alcohol, polyethylene glycol, sodium lignin sulfonate, polyethylene pyrrole network alkanone, dodecyl pyrrolidone, dodecyl sodium sulfonate
Any one or more in sodium, methylcellulose.
4. functionality graphene airstrainer as described in claim 1, which is characterized in that the additive includes diethyl
Alkene triamine, calgon, lysine, ferric nitrate, basic copper carbonate, potassium iodide, in sodium thiosulfate any one or it is more
Kind.
5. a kind of preparation method of the functional graphene airstrainer as described in any one of Claims 1 to 4, special
Sign is that the method includes:
Step 1, each raw material is weighed in proportion；
Step 2, polypropylene agglomerate is ground, obtains polypropylene powder；
Step 3, the resulting polypropylene powder of step 2 is mixed with graphene raw material powder, surfactant, additive, passes through stirring
Device stirs evenly；
Step 4, the resulting mixture of step 3 is added in screw extruder, is melted, then enter spray by fondant filter
Filament plate, under hot high pressure airflow function, melt is stretched, and forms microfilament, then cooling solid under Cold air mass influence on the outside
Change, finally collect cured fiber on roller receiver, forms graphene polypropylene filter cloth, be re-used as functional graphite
Alkene airstrainer.
6. the preparation method of functionality graphene airstrainer as claimed in claim 5, which is characterized in that the step
In 2, polypropylene agglomerate is ground, the diameter of particle after grinding is greater than 200 mesh.
7. the preparation method of functionality graphene airstrainer as claimed in claim 5, which is characterized in that the step
In 4, the spinneret die temperature of spinneret is 200~240 DEG C.
8. the preparation method of functionality graphene airstrainer as claimed in claim 5, which is characterized in that the step
In 4, the hot air temperature of hot high pressure air-flow is 260~280 DEG C, and heat air pressure is 0.2~0.6MPa.
9. the preparation method of functionality graphene airstrainer as claimed in claim 5, which is characterized in that the step
In 4, the reception drum rotation speed of roller receiver is 15~20r/min, and receiving distance is 10~15cm.
10. the preparation method of functionality graphene airstrainer as claimed in claim 5, which is characterized in that the step
In rapid 4, resulting fibre diameter is 0.5~5 μm, and non-woven fabrics grammes per square metre is 40~80g/m2。
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| CN110694351A (en) * | 2019-10-23 | 2020-01-17 | 南通强生石墨烯科技有限公司 | Antibacterial graphene composite filter screen and application thereof |
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| CN110694351A (en) * | 2019-10-23 | 2020-01-17 | 南通强生石墨烯科技有限公司 | Antibacterial graphene composite filter screen and application thereof |
| CN111364114A (en) * | 2020-03-17 | 2020-07-03 | 广州康滤净化科技有限公司 | Graphene antibacterial non-woven fabric and preparation method thereof |
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| CN111472101A (en) * | 2020-04-24 | 2020-07-31 | 任国峰 | In-situ polymerization modified graphene polypropylene spunbonded fabric and preparation method thereof |
| CN111349186A (en) * | 2020-04-24 | 2020-06-30 | 任国峰 | In-situ polymerization modified graphene polypropylene master batch and preparation method thereof |
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| CN113858733A (en) * | 2021-10-09 | 2021-12-31 | 广州康滤净化科技有限公司 | Virus-killing aggregate, H13-grade melt-blown cloth and graphene non-woven fabric glue-sprayed composite material and preparation method thereof |
| CN113715421A (en) * | 2021-10-12 | 2021-11-30 | 广州康滤净化科技有限公司 | Virus-killing aggregate, H12-grade melt-blown fabric and graphene non-woven fabric bonding material and preparation method thereof |
| CN113733694A (en) * | 2021-10-12 | 2021-12-03 | 广州康滤净化科技有限公司 | Virus-killing aggregate, H13-grade melt-blown fabric and graphene non-woven fabric bonding material and preparation method thereof |
| CN113957605A (en) * | 2021-10-28 | 2022-01-21 | 安徽同力新材料有限公司 | Biodegradable melt-blown fabric production process |
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Application publication date: 20190510 |