CN106861287B - A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics and preparation method thereof - Google Patents
A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics and preparation method thereof Download PDFInfo
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- CN106861287B CN106861287B CN201710082971.9A CN201710082971A CN106861287B CN 106861287 B CN106861287 B CN 106861287B CN 201710082971 A CN201710082971 A CN 201710082971A CN 106861287 B CN106861287 B CN 106861287B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/407—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing absorbing substances, e.g. activated carbon
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
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Abstract
The present invention relates to air purification field, a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics and preparation method thereof is disclosed.The air-conditioning air inlet filter screen is combined with air filtration non-woven fabrics by Electrostatic Absorption layer and antibiotic layer interval, and the single layer sum of the air-conditioning air inlet filter screen air filtration non-woven fabrics is two layers or four layers；The Electrostatic Absorption layer is air intake surface；Wherein, Electrostatic Absorption layer is the polyethylene nonwoven containing nanometer electret；The antibiotic layer is the polyethylene nonwoven for being compounded with antibacterial material.Air filtration non-woven fabrics of the invention is not only big to the load capacity of Electrostatic Absorption agent, fastness is high, good to the Electrostatic Absorption effect of the particulate matters such as PM2.5, pollen, dust, flue dust, dust mite, and air permeability is good, and windage is small；But also there are antibacterial functions.
Description
Technical field
The present invention relates to air purification field more particularly to a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics and
Preparation method.
Background technique
Air-conditioning air inlet is typically provided with air inlet filter cloth, on the one hand the effect of air inlet filter cloth is prevented in air
Granule foreign enter in air-conditioning, extend air-conditioning service life；On the other hand particulate in air can be adsorbed, it is empty plays purification
Gas effect.Requirement usually to air-conditioning air inlet filter cloth can stop or adsorb most of particle first is that filter effect is good
Object；Second is that windage wants small, the air intake efficiency of air-conditioning is not influenced as far as possible.
Air-conditioning air inlet filter cloth in the prior art is generally only that common non-woven fabrics subtracts to guarantee its air permeability
Small windage usually has very big porosity, but so just affects its filter efficiency.If in order to improve filter efficiency again
Be bound to porosity to be reduced, and will affect air intake efficiency, thus can not be satisfactory to both parties.
Application No. is the Chinese patents of CN201610233859.6 to disclose a kind of air filtration non-woven electret mistake
Filter material material forms equally distributed three-dimensional space network by the PET superfine fibre of 0.06D and the PE/PET core-skin composite fiber of 3D
Structure, the fiber that core-skin composite fiber is in contact with it form connection node, set on the surface of superfine fibre and core-skin composite fiber
Set PTFE coat.The non-woven electret filtering material the preparation method comprises the following steps: PET/PET figured sea-island staple fibre and
After PE/PET core-skin type composite short fiber is with the mixing of certain mass ratio, combing, washed through the networking of needle thorn, lye ablation, roll compacting,
PTFE emulsion dipping and cools and solidifies tentering thermal finalization.
A kind of antibacterial is disclosed application No. is 201410138905.5 Chinese patent and filters the mask filter of PM2.5 particle
Piece.Compared with common filter disc and mask, which has three-decker, and outer layer is the bamboo fibre for adhering to Phthalocyanine Zinc class light-sensitive material
Molten blown non-woven fabric is tieed up, middle layer is electret melt spraying non-woven fabrics, and internal layer is polypropylene spunbond non-woven fabrics.
Electrostatic absorption principle is all utilized in above-mentioned two parts of patents, can effectively adsorb the tiny particles content in air, mention
High filter efficiency.But there is also some shortcomings, since above two filtering material is not for air-conditioning air inlet, in wind
It is of less demanding in resistance, therefore their windage is higher, is not suitable for air-conditioning air inlet filter cloth.On the other hand, electret without
In the preparation process of woven fabric, the adsorption efficiency after non-woven fabrics impregnates PTFE emulsion is lower, and the PTFE emulsion for being can not permanent, jail
Admittedly adsorbed by non-woven fabrics, to affect Electrostatic Absorption effect, electrostatic adsorption force decaying is serious especially after long-time.This
Outside, above-mentioned non-woven fabrics also lacks antibacterial functions.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics
And preparation method thereof.Air filtration non-woven fabrics of the invention is not only big to the load capacity of Electrostatic Absorption agent, fastness is high, to PM2.5,
The Electrostatic Absorption effect of the particulate matters such as pollen, dust, flue dust, dust mite is good, and air permeability is good, and windage is small；But also there is antibacterial function
Energy.
The specific technical proposal of the invention is: a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics, is inhaled by electrostatic
Attached layer and antibiotic layer interval are combined, and the single layer sum of the air-conditioning air inlet filter screen air filtration non-woven fabrics is two layers
Or four layers；The Electrostatic Absorption layer is air intake surface；Wherein, Electrostatic Absorption layer is the polyethylene nonwoven containing nanometer electret；
The antibiotic layer is the polyethylene nonwoven for being compounded with antibacterial material.
Air filtration non-woven fabrics of the invention is two layers or four-layer structure, and wherein Electrostatic Absorption layer is air intake surface, wherein containing
There is a nanometer electret, electrostatic absorption principle can be utilized, it is higher in the porosity of non-woven fabrics, also can under the conditions of windage is lesser
The particulate matters such as PM2.5, pollen, dust, flue dust, dust mite in air are effectively filtered, are adsorbed.Antibiotic layer is anti-to be compounded with
The polyethylene nonwoven of fungus matter can play bactericidal effect.
Non-woven fabrics of the invention can select two layers or four layers of structure to be filtered according to actual needs.Wherein, it is for 2 layers
Replacement cycle is 15 days or so, and 4 layers of replacement cycle is 30 days or so.
Preferably, the windage of the Electrostatic Absorption layer is greater than the windage of the antibiotic layer.Due to air mistake of the invention
Filter non-woven fabrics requires lower windage, therefore under conditions of holding Electrostatic Absorption layer low windage, it is also necessary to reduce as far as possible
The windage of antibiotic layer.Since the windage of Electrostatic Absorption layer is greater than the windage of antibiotic layer, even if compound upper antibiotic layer has two
The windage of non-woven fabrics is not influenced substantially after layer or four-layer structure, even if the non-woven fabrics of two layers or four-layer structure, remains to
Enough keep low windage.
Preferably, the air-conditioning air inlet filter screen is 3-6Pa with the windage of air filtration non-woven fabrics.
Preferably, the Electrostatic Absorption layer and antibiotic layer are combined by hot pressing complex method.
Preferably, the antibacterial material is selected from polypeptide silver, nano-titanium dioxide and quaternary amine antibacterial agent.Above-mentioned antibacterial
The antibacterial effect of matter is preferable, can effectively sterilize.
Preferably, the polyethylene nonwoven containing nanometer electret is made by the raw material of following mass percent:
Polyethylene 74-84%,
Cyclodextrin 1-3%,
Nanometer sepiolite 3-7%,
Silane coupling agent 0.5-1.5%,
Polytetrafluoroethylene (PTFE) 10-16%.
It is primary raw material that the non-woven fabrics of Electrostatic Absorption layer, which selects polyethylene, in the present invention, first by polyethylene and cyclodextrin, receive
Non-woven fabrics is made in rice sepiolite and silane coupling agent mixed melting, spray fusing, due to being compounded with cyclodextrin and nanometer sea in fiber
Afrodite, cyclodextrin have hydrophobic cavity, have adsorptivity to lyophobic dust；And nanometer sepiolite is that nanoporous is inorganic
Object, it may have preferable adsorptivity.After cyclodextrin and nanometer sepiolite are uniformly distributed in fibrous inside, non-woven fabrics can be enhanced
To the adsorption capacity of ptfe emulsion, so that ptfe emulsion sufficiently infiltrates non-woven fabrics, permeates.Thus gram
The technical problem poor to ptfe emulsion adsorption effect of common non-woven fabric in the prior art is taken.Due to nanometer sepiolite
Belong to inorganic matter, poor in the middle dispersibility and compatibility of the organic matters such as polyethylene, the effect of silane coupling agent is can to overcome
This technical problem.In addition, the addition of sepiolite, its own extra hole can also adsorb different in fine particle and air
Taste.
After non-woven fabrics is made, non-woven fabrics is impregnated in ptfe emulsion, non-woven fabrics can be greatly improved to poly-
The adsorbance of tetrafluoroethene lotion.
Preferably, the nanometer sepiolite is modified Nano sepiolite, method of modifying is as follows:
Nanometer sepiolite is impregnated into 2-4h in the acetum that mass concentration is 5-10%, cleaning is taken out after immersion into
Property, then by nanometer sepiolite and butyl titanate, stearic acid mass ratio 20: (0.5-1.5): (0.5-1) is mixed, at 65-75 DEG C
Modified Nano sepiolite is made in lower grinding 20-40min.
The adsorption capacity of unmodified sepiolite is limited, after carrying out sour processing to it, can expand the sky inside sepiolite
Gap, to enhance adsorptivity and adsorption capacity.On the other hand, common nanometer sepiolite has a preferable hydrophily, and poly- four
Vinyl fluoride is lyophobic dust, modified to its with butyl titanate and stearic acid, and sepiolite can be made to have hydrophobicity, thus into
One step improves the adsorption capacity to polytetrafluoroethylene (PTFE).There is sepiolite hydrophobic benefit to also reside in: due in higher levels of humidity
Under environment, it is not easy to electrostatic is generated, and unmodified sepiolite has preferable hygroscopicity, it is inevitable after a large amount of moisture absorptions of sepiolite
Electrostatic Absorption effect can be seriously affected.To after sepiolite hydrophobic treatment its not will do it moisture absorption, can ensure at non-woven fabrics for a long time
In drying regime, fail relatively slow so as to make non-woven fabrics muchly keep electrostatic.
Preferably, the cyclodextrin is hydrophobic cyclodextrin.It is identical as sepiolite to the principle of cyclodextrin hydrophobic treatment.
A kind of preparation method of air-conditioning air inlet filter screen air filtration non-woven fabrics, comprising the following steps:
1) preparation of Electrostatic Absorption layer:
1.1) polyethylene is sliced and is mixed according to the ratio with cyclodextrin, nanometer sepiolite, silane coupling agent, be added to hot melt dress
Middle heating melting is set, compounding flux is obtained.
1.2) non-woven fabrics is made by jet melting method in compounding flux.
1.3) polytetrafluoroethylene (PTFE) is formulated as ptfe emulsion, non-woven fabrics is immersed in ptfe emulsion,
Then hot-pressing processing is carried out, Electrostatic Absorption layer is finally made after drying and shaping.
2) preparation of antibiotic layer.
3) hot pressing is compound: after Electrostatic Absorption layer and antibiotic layer spacer stack, hot pressing is compound, finished product.
Polyethylene is first sliced and mixes hot melt with cyclodextrin, nanometer sepiolite, silane coupling agent according to biography by the method for the present invention
Non-woven fabrics is made in non-woven fabrics melt-blown preparation method of uniting, and then non-woven fabrics is impregnated in ptfe emulsion, so being capable of pole
The big non-woven fabrics that improves is to the adsorption capacity of ptfe emulsion, to enhance the Electrostatic Absorption ability and persistently of non-woven fabrics
Property.
It is made after Electrostatic Absorption layer in obtained antibiotic layer, hot pressing will be carried out after Electrostatic Absorption layer and antibiotic layer spacer stack,
It is combined with each other, finished product.
Preferably, the mass concentration of ptfe emulsion is 30-50%, dip time 5- in step 1.3)
15min, hot-pressing processing temperature are 100-140 DEG C.
Non-woven fabrics of the invention cooperates above-mentioned special process, and the adsorbance and absorption fastness to ptfe emulsion are special
Good, the load capacity of polytetrafluoroethylene (PTFE) ranges up to 16% of non-woven fabrics quality or so.
It is compared with the prior art, the beneficial effects of the present invention are: air filtration non-woven fabrics of the invention not only inhales electrostatic
Attached dose of load capacity is big, fastness is high, good to the Electrostatic Absorption effect of the particulate matters such as PM2.5, pollen, dust, flue dust, dust mite, thoroughly
Manner is good, and windage is small；But also there are antibacterial functions.
Specific embodiment
The present invention will be further described with reference to the examples below.
Embodiment 1
A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics, it is compound by Electrostatic Absorption layer and antibiotic layer interval and
At the single layer sum of the air-conditioning air inlet filter screen air filtration non-woven fabrics is two layers；The Electrostatic Absorption layer is air inlet
Face.The windage of Electrostatic Absorption layer is greater than the windage of the antibiotic layer.
Wherein, Electrostatic Absorption layer is the polyethylene nonwoven containing nanometer electret, described poly- containing nanometer electret
Ethylene non-woven fabrics is made by the raw material of following mass percent:
Polyethylene 79%,
Hydrophobic cyclodextrin 2%,
Nanometer sepiolite 5%,
Silane coupling agent 1%,
Polytetrafluoroethylene (PTFE) 13%.
The antibiotic layer is the polyethylene nonwoven for being compounded with polypeptide silver.
A kind of preparation method of air-conditioning air inlet filter screen air filtration non-woven fabrics, comprising the following steps:
1) preparation of Electrostatic Absorption layer:
1.1) polyethylene is sliced and is mixed according to the ratio with cyclodextrin, nanometer sepiolite, silane coupling agent, be added to hot melt dress
Middle heating melting is set, compounding flux is obtained.
1.2) non-woven fabrics is made by jet melting method in compounding flux.
1.3) polytetrafluoroethylene (PTFE) is formulated as the ptfe emulsion that mass concentration is 40%, non-woven fabrics is immersed in poly-
It in tetrafluoroethene lotion, is taken out after 10min and carries out hot-pressing processing at 120 DEG C, electrostatic is finally made after drying and shaping and inhales
Attached layer.
2) preparation of antibiotic layer.
3) hot pressing is compound: after Electrostatic Absorption layer and antibiotic layer spacer stack, hot pressing is compound, finished product.
Embodiment 2
A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics, it is compound by Electrostatic Absorption layer and antibiotic layer interval and
At the single layer sum of the air-conditioning air inlet filter screen air filtration non-woven fabrics is two layers；The Electrostatic Absorption layer is air inlet
Face.The windage of Electrostatic Absorption layer is greater than the windage of the antibiotic layer.
Wherein, Electrostatic Absorption layer is the polyethylene nonwoven containing nanometer electret, described poly- containing nanometer electret
Ethylene non-woven fabrics is made by the raw material of following mass percent:
Polyethylene 79%,
Hydrophobic cyclodextrin 2%,
Modified Nano sepiolite 5%,
Silane coupling agent 1%,
Polytetrafluoroethylene (PTFE) 13%.
The nanometer sepiolite is modified Nano sepiolite, and method of modifying is as follows: being in mass concentration by nanometer sepiolite
3h is impregnated in 8% acetum, and cleaning is taken out after immersion to neutrality, then by nanometer sepiolite and butyl titanate, stearic acid
Mass ratio 20: 1: 0.6 mixes, and grinds 30min at 70 DEG C, and modified Nano sepiolite is made.
The antibiotic layer is the polyethylene nonwoven for being compounded with polypeptide silver.
A kind of preparation method of air-conditioning air inlet filter screen air filtration non-woven fabrics, comprising the following steps:
1) preparation of Electrostatic Absorption layer:
1.1) polyethylene is sliced and is mixed according to the ratio with cyclodextrin, nanometer sepiolite, silane coupling agent, be added to hot melt dress
Middle heating melting is set, compounding flux is obtained.
1.2) non-woven fabrics is made by jet melting method in compounding flux.
1.3) polytetrafluoroethylene (PTFE) is formulated as the ptfe emulsion that mass concentration is 40%, non-woven fabrics is immersed in poly-
It in tetrafluoroethene lotion, is taken out after 10min and carries out hot-pressing processing at 120 DEG C, electrostatic is finally made after drying and shaping and inhales
Attached layer.
2) preparation of antibiotic layer.
3) hot pressing is compound: after Electrostatic Absorption layer and antibiotic layer spacer stack, hot pressing is compound, finished product.
Embodiment 3
A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics, it is compound by Electrostatic Absorption layer and antibiotic layer interval and
At the single layer sum of the air-conditioning air inlet filter screen air filtration non-woven fabrics is four layers；The Electrostatic Absorption layer is air inlet
Face.The windage of Electrostatic Absorption layer is greater than the windage of the antibiotic layer.
Wherein, Electrostatic Absorption layer is the polyethylene nonwoven containing nanometer electret, described poly- containing nanometer electret
Ethylene non-woven fabrics is made by the raw material of following mass percent:
Polyethylene 74%,
Hydrophobic cyclodextrin 3%,
Nanometer sepiolite 7%,
Silane coupling agent 1.5%,
Polytetrafluoroethylene (PTFE) 14.5%.
The nanometer sepiolite is modified Nano sepiolite, and method of modifying is as follows:
Nanometer sepiolite is impregnated into 4h in the acetum that mass concentration is 5%, cleaning is taken out after immersion to neutrality, is connect
Nanometer sepiolite is mixed with butyl titanate, stearic acid mass ratio 20: 0.5: 0.5, grind 40min at 65 DEG C, be made change
Property nanometer sepiolite.
The antibiotic layer is the polyethylene nonwoven for being compounded with nano-titanium dioxide.
A kind of preparation method of air-conditioning air inlet filter screen air filtration non-woven fabrics, comprising the following steps:
1) preparation of Electrostatic Absorption layer:
1.1) polyethylene is sliced and is mixed according to the ratio with cyclodextrin, nanometer sepiolite, silane coupling agent, be added to hot melt dress
Middle heating melting is set, compounding flux is obtained.
1.2) non-woven fabrics is made by jet melting method in compounding flux.
1.3) polytetrafluoroethylene (PTFE) is formulated as the ptfe emulsion that mass concentration is 30%, non-woven fabrics is immersed in poly-
It in tetrafluoroethene lotion, is taken out after 5min and carries out hot-pressing processing at 100 DEG C, Electrostatic Absorption is finally made after drying and shaping
Layer.
2) preparation of antibiotic layer.
3) hot pressing is compound: after Electrostatic Absorption layer and antibiotic layer spacer stack, hot pressing is compound, finished product.
Embodiment 4
A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics, it is compound by Electrostatic Absorption layer and antibiotic layer interval and
At the single layer sum of the air-conditioning air inlet filter screen air filtration non-woven fabrics is two layers；The Electrostatic Absorption layer is air inlet
Face.The windage of Electrostatic Absorption layer is greater than the windage of the antibiotic layer.
Wherein, Electrostatic Absorption layer is the polyethylene nonwoven containing nanometer electret, described poly- containing nanometer electret
Ethylene non-woven fabrics is made by the raw material of following mass percent:
Polyethylene 84%,
Hydrophobic cyclodextrin 1%,
Nanometer sepiolite 3%,
Silane coupling agent 0.5%,
Polytetrafluoroethylene (PTFE) 11.5%.
The nanometer sepiolite is modified Nano sepiolite, and method of modifying is as follows:
Nanometer sepiolite is impregnated into 2h in the acetum that mass concentration is 10%, takes out and is cleaned to neutrality after immersion,
Then nanometer sepiolite is mixed with butyl titanate, stearic acid mass ratio 20: 1.5: 1, grinds 20min at 75 DEG C, be made and change
Property nanometer sepiolite.
The antibiotic layer is the polyethylene nonwoven for being compounded with quaternary amine antibacterial agent.
A kind of preparation method of air-conditioning air inlet filter screen air filtration non-woven fabrics, comprising the following steps:
1) preparation of Electrostatic Absorption layer:
1.1) polyethylene is sliced and is mixed according to the ratio with cyclodextrin, nanometer sepiolite, silane coupling agent, be added to hot melt dress
Middle heating melting is set, compounding flux is obtained.
1.2) non-woven fabrics is made by jet melting method in compounding flux.
1.3) polytetrafluoroethylene (PTFE) is formulated as the ptfe emulsion that mass concentration is 50%, non-woven fabrics is immersed in poly-
It in tetrafluoroethene lotion, is taken out after 15min and carries out hot-pressing processing at 140 DEG C, electrostatic is finally made after drying and shaping and inhales
Attached layer.
2) preparation of antibiotic layer.
3) hot pressing is compound: after Electrostatic Absorption layer and antibiotic layer spacer stack, hot pressing is compound, finished product.
Comparative example 1
A kind of air-conditioning air inlet filter screen air filtration non-woven fabrics, it is compound by Electrostatic Absorption layer and antibiotic layer interval and
At the single layer sum of the air-conditioning air inlet filter screen air filtration non-woven fabrics is two layers；The Electrostatic Absorption layer is air inlet
Face.The windage of Electrostatic Absorption layer is greater than the windage of the antibiotic layer.
The polyethylene nonwoven (passing through polytetrafluoroethylene (PTFE) impregnation) of the Electrostatic Absorption layer.The antibiotic layer is compound
There is the polyethylene nonwoven of quaternary amine antibacterial agent.
Comparative example 2
Commercially available General Physics adsorbs air filter cloth.
Performance comparison
The non-woven fabrics of embodiment 1-4 and comparative example 1-2 is subjected to performance comparison, as a result as follows:
From the foregoing, it will be observed that non-woven fabrics windage of the invention is smaller, the Electrostatic Absorption retention time is more long, and has antibiotic property.
The non-woven fabrics (20mm*50mm) of the embodiment of the present invention 2 is covered in air-conditioning internal machine (Gree KFR-35GW/K
(35569)-AaC-N2 (A)), on air inlet, carry out air filtration effect detection (mode: air-supply；Wind speed: fifth speed is (maximum
Shelves), detection is according to GB/T 18801-2015 air purifier), detection data is as follows:
Raw materials used in the present invention, equipment is unless otherwise noted the common raw material, equipment of this field；In the present invention
Method therefor is unless otherwise noted the conventional method of this field.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within the technology of the present invention side
The protection scope of case.
Claims (9)
1. a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics, it is characterised in that: by Electrostatic Absorption layer and antibacterial interlayer
Every being combined, the single layer sum of the air-conditioning air inlet filter screen air filtration non-woven fabrics is two layers or four layers；It is described quiet
Electro Sorb layer is air intake surface；Wherein, Electrostatic Absorption layer is the polyethylene nonwoven containing nanometer electret；The antibiotic layer is multiple
Close the polyethylene nonwoven for having antibacterial material；
The polyethylene nonwoven containing nanometer electret is made by the raw material of following mass percent:
Polyethylene 74-84%,
Cyclodextrin 1-3%,
Nanometer sepiolite 3-7%,
Silane coupling agent 0.5-1.5%,
Polytetrafluoroethylene (PTFE) 10-16%.
2. a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics as described in claim 1, which is characterized in that described quiet
The windage of Electro Sorb layer is greater than the windage of the antibiotic layer.
3. a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics as claimed in claim 2, which is characterized in that the sky
Tune air inlet filter screen is 3-6Pa with the windage of air filtration non-woven fabrics.
4. a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics as described in claim 1, which is characterized in that described quiet
Electro Sorb layer and antibiotic layer are combined by hot pressing complex method.
5. a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics as described in claim 1, which is characterized in that described anti-
Fungus matter is selected from polypeptide silver, nano-titanium dioxide and quaternary amine antibacterial agent.
6. a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics as described in claim 1, which is characterized in that described to receive
Rice sepiolite is modified Nano sepiolite, and method of modifying is as follows:
Nanometer sepiolite is impregnated into 2-4h in the acetum that mass concentration is 5-10%, cleaning is taken out after immersion to neutrality, is connect
By nanometer sepiolite and butyl titanate, stearic acid mass ratio 20:(0.5-1.5): (0.5-1) is mixed, and is ground at 65-75 DEG C
Modified Nano sepiolite is made in 20-40min.
7. a kind of air-conditioning air inlet filter screen air filtration non-woven fabrics as described in claim 1, which is characterized in that the ring
Dextrin is hydrophobic cyclodextrin.
8. a kind of a kind of preparation side of air-conditioning air inlet filter screen air filtration non-woven fabrics as described in one of claim 1-7
Method, which comprises the following steps:
1) preparation of Electrostatic Absorption layer:
1.1) polyethylene is sliced and is mixed according to the ratio with cyclodextrin, nanometer sepiolite, silane coupling agent, is added in thermofusion device
Heating melting obtains compounding flux；
1.2) non-woven fabrics is made by jet melting method in compounding flux；
1.3) polytetrafluoroethylene (PTFE) is formulated as ptfe emulsion, non-woven fabrics is immersed in ptfe emulsion, then
Hot-pressing processing is carried out, Electrostatic Absorption layer is finally made after drying and shaping；
2) preparation of antibiotic layer；
3) hot pressing is compound: after Electrostatic Absorption layer and antibiotic layer spacer stack, hot pressing is compound, finished product.
9. a kind of preparation method of the air-conditioning air inlet filter screen as claimed in claim 8 with air filtration non-woven fabrics, feature
It is, the mass concentration of ptfe emulsion is 30-50%, dip time 5-15min, hot-pressing processing temperature in step 1.3)
Degree is 100-140 DEG C.
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| CN107569967B (en) * | 2017-08-21 | 2019-10-29 | 杭州创克洛环境科技有限公司 | It is a kind of for formaldehyde adsorption and the vehicle-mounted air purification piece of TVOC and preparation method thereof |
| CN107594697A (en) * | 2017-11-08 | 2018-01-19 | 山西新华化工有限责任公司 | Portable changeable type haze mouth mask |
| CN107983178B (en) * | 2017-12-12 | 2021-06-29 | 安徽启东热能科技有限公司 | Permeable membrane for light hydrocarbon separation |
| CN111467879A (en) * | 2020-04-09 | 2020-07-31 | 立赫产业有限公司 | Multifunctional electrostatic electret filter material and preparation method thereof |
| EP4200466A4 (en) * | 2020-08-21 | 2024-05-01 | Dow Global Technologies LLC | Meltblown nonwovens having high volume resistivity and articles thereof |
| CN113399117B (en) * | 2021-06-02 | 2023-12-19 | 杭州诗蓝过滤科技有限公司 | Progressive dust-holding electrostatic filter cotton with good adsorption performance |
| CN116001404A (en) * | 2022-12-09 | 2023-04-25 | 江苏盛纺纳米材料科技股份有限公司 | Nanometer antibacterial air filtering hot air non-woven fabric and preparation method thereof |
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| CN203852938U (en) * | 2014-05-22 | 2014-10-01 | 广州励洁空气净化科技有限公司 | Multi-layer-structure antibacterial automobile air conditioner filter capable of filtering PM2.5 |
| JP2014233687A (en) * | 2013-06-04 | 2014-12-15 | 東洋紡株式会社 | Electret filter |
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