CN110393978A - A kind of antibacterial ordor removing non-woven filter material and its application - Google Patents
A kind of antibacterial ordor removing non-woven filter material and its application Download PDFInfo
- Publication number
- CN110393978A CN110393978A CN201810378302.0A CN201810378302A CN110393978A CN 110393978 A CN110393978 A CN 110393978A CN 201810378302 A CN201810378302 A CN 201810378302A CN 110393978 A CN110393978 A CN 110393978A
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- China
- Prior art keywords
- antibacterial
- polylactic acid
- argentiferous
- filter material
- fibre
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of antibacterial ordor removing non-woven filter material and its applications.Short fine and with strong suction-operated the activated carbon fibre silk of antibacterial polylactic acid is made mixing fibre web and is thermally bonded reinforcing into non-woven filter material by the present invention, product had both had antibacterial ordor removing multi-efficiency, the situation that conventional air purified filter material is combined using the non-woven fabrics of multilayer simple function and drafting efficiency decline, air drag is caused to increase is in turn avoided, to improve safety.The fibre based activated Carbon fibe of preferred plant of the present invention and acid fiber by polylactic are raw material, ecological, environmental protective.
Description
Technical field
The present invention relates to nonwoven cloth filter material technical field, specifically a kind of antibacterial ordor removing non-woven filter material
And its application.
Background technique
With the quickening of world industry process, problem of environmental pollution becomes increasingly conspicuous, and wherein atmosphere pollution is to human health
Influence have become the focus of public attention, the market demand of air cleaning class Related product constantly increases.Air filtration at present
Product generally has a multi-efficiency, such as dust-proof, antibacterial, eliminates the unusual smell.Patent CN 204254856U discloses a kind of compound sky
Adjust filter core, be spliced by the filter element of multiple rectangles, including formed by HEPA strainer the first strainer, by activated carbon fibre
Second strainer and the third strainer made of nano-silver ionic material made of material, first strainer, the second strainer with
And third strainer is successively bonded.Above-mentioned composite air conditioner filter core is using HEPA strainer, activated carbon fibre and nano material to room
Interior air carries out three layer filtration, and the fine particle and formaldehyde being not only able in air filtering, benzene, TOVC(general volatile are organic
Compound) etc. organic pollutants, and can effectively inhibit bacteria breed.Patent CN 203507708U is related to a kind of novel steam
Vehicle air conditioner filter element, the filter core are set as pre-filter layer from outside to inside, filter sterilization layer and except knoispheres, and the pre-filter layer is adopted
With active carbon polyurethane filter foam, the filter sterilization layer uses nano-silver nonwoven cloth, described ultra-fine using thin layer except knoisphere
Fiber, the filter core can carry out fining filtering to outside air, to remove the pollutant of PM2.5 rank.Above-mentioned filter core
It all has antibacterial, dedusting and peculiar smell multi-efficiency of dispelling, is composed of the multistorey strainer mesh with simple function, but multistorey strainer mesh
Drafting efficiency can be undoubtedly reduced, air drag is increased, increases insecurity factor.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the problems of the above-mentioned prior art, a kind of antibacterial ordor removing is provided
Non-woven filter material is made of the short fine and activated carbon fibre wire composite material of argentiferous polylactic acid antibacterial.
Present invention employs the following technical solutions: a kind of antibacterial ordor removing non-woven filter material is resisted by argentiferous polylactic acid
The short fine and activated carbon fibre wire composite material composition of bacterium, preparation method includes the following steps: (1) argentiferous polylactic acid antibacterial is sliced
Preparation: being dried in vacuo 15~18h for polylactic acid slice at 55~65 DEG C, and average grain diameter is no more than to the Silver nanoparticles of 25nm
It is uniform with 10~25% mass percent and the polylactic acid slice dispersion mixing through being dried, screw extruder is added
Melting extrusion at a temperature of 160~180 DEG C, cooling granulation obtain argentiferous polylactic acid antibacterial slice;(2) argentiferous polylactic acid antibacterial
Short fine preparation: above-mentioned argentiferous polylactic acid antibacterial is sliced with 10~15% mass percents and the above-mentioned polylactic acid through being dried
Slice feeds screw extruder after evenly mixing, and melt is through screw rod to filament spinning component, and 170~230 DEG C of spinning temperature, spinning speed
1500~1600m/min, tow is through 2.0~3.5 times of oil bath drawing-off, using 90~110 DEG C of heat-setting process, cut into 35~
55mm length;(3) prepared by complex nonwoven filtering material: by the short fibre of above-mentioned argentiferous polylactic acid antibacterial with 60~80% mass percentages
Than being sent into cotton carding system with activated carbon fibre silk, fiber by cross lapping, is led after feeding, shredding, mixing and carding step
It stretches to form fibre web, fibre web is reinforced through heat bonding, wound, and complex nonwoven filtering material is obtained.
Preferably, the fiber number of the short fibre of argentiferous polylactic acid antibacterial is 1.4~1.7dtex, 5.0~5.5cN/ of intensity
Dtex, extension at break are 45~55%;The fibre based activated Carbon fibe of activated carbon fibre silk preferred plant, the fibre single thread
5~15 μm of diameter, 900~2000m of specific surface area2/g。
Preferably, 80~300g/m of the non-woven filter material grammes per square metre2, 0.6~2.0mm of thickness.
It is it is a further object of the present invention to provide the application of above-mentioned antibacterial ordor removing non-woven filter material, i.e., the antibacterial is net
Taste non-woven filter material cut, folds wave Air Filter Filter Core is made.
The invention has the following advantages:
Non-woven filter material produced by the present invention is made of the short fine and activated carbon fibre silk of argentiferous polylactic acid antibacterial, nano silver tool
There are wide spectrum, efficient antibacterial ability;It is covered with micropore on fibrous activated carbon, large specific surface area has strong adsorptivity to organic gas.
The present invention mixing fibre web is made in antibacterial polylactic acid fiber and activated carbon fibre with strong suction-operated and be thermally bonded reinforcing at
Whole, product had both had antibacterial ordor removing multi-efficiency, in turn avoided the nothing that conventional air purified filter material uses multilayer simple function
Woven fabric is combined and causes air drag to increase, the situation of drafting efficiency decline, to improve safety.This product is preferably planted
Fibres based active carbon fiber and acid fiber by polylactic are raw material, environmentally protective.
Specific embodiment
Following embodiments are only a part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
Polylactic acid slice of the present invention, Silver nanoparticles and activated carbon fibre silk are commercially available.
Present invention employs the following technical solutions: a kind of antibacterial ordor removing non-woven filter material is resisted by argentiferous polylactic acid
The short fine and activated carbon fibre wire composite material composition of bacterium, preparation method includes the following steps: (1) argentiferous polylactic acid antibacterial is sliced
Preparation: being dried in vacuo 15~18h for polylactic acid slice at 55~65 DEG C, and average grain diameter is no more than to the Silver nanoparticles of 25nm
It is uniform with 10~25% mass percent and the polylactic acid slice dispersion mixing through being dried, screw extruder is added
Melting extrusion at a temperature of 160~180 DEG C, cooling granulation obtain argentiferous polylactic acid antibacterial slice;(2) argentiferous polylactic acid antibacterial
Short fine preparation: above-mentioned argentiferous polylactic acid antibacterial is sliced with 10~15% mass percents and the above-mentioned polylactic acid through being dried
Slice feeds screw extruder after evenly mixing, and melt is through screw rod to filament spinning component, and 170~230 DEG C of spinning temperature, spinning speed
1500~1600m/min, tow is through 2.0~3.5 times of oil bath drawing-off, using 90~110 DEG C of heat-setting process, cut into 35~
55mm length;(3) prepared by complex nonwoven filtering material: by the short fibre of above-mentioned argentiferous polylactic acid antibacterial with 60~80% mass percentages
Than being sent into cotton carding system with activated carbon fibre silk, fiber by cross lapping, is led after feeding, shredding, mixing and carding step
It stretches to form fibre web, fibre web is reinforced through heat bonding, wound, and complex nonwoven filtering material is obtained.
Preferably, the fiber number of the short fibre of argentiferous polylactic acid antibacterial is 1.4~1.7dtex, 5.0~5.5cN/ of intensity
Dtex, extension at break are 45~55%;The fibre based activated Carbon fibe of activated carbon fibre silk preferred plant, the fibre single thread
5~15 μm of diameter, 900~2000m of specific surface area2/g。
Preferably, 80~300g/m of the non-woven filter material grammes per square metre2, 0.6~2.0mm of thickness.
It is it is a further object of the present invention to provide the application of above-mentioned antibacterial ordor removing non-woven filter material, i.e., the antibacterial is net
Taste non-woven filter material cut, folds wave Air Filter Filter Core is made.
Embodiment:
(1) argentiferous polylactic acid antibacterial slice preparation: polylactic acid slice is dried in vacuo 18h at 60 DEG C, average grain diameter is not surpassed
It is uniform with 10% mass percent and the polylactic acid slice dispersion mixing through being dried to cross the Silver nanoparticles of 25nm,
Screw extruder melting extrusion at a temperature of 180 DEG C is added, cooling granulation obtains argentiferous polylactic acid antibacterial slice;(2) argentiferous is poly-
The short fine preparation of lactic acid antibacterial: above-mentioned argentiferous polylactic acid antibacterial is sliced and is gathered with above-mentioned through what is be dried with 15% mass percent
Lactic acid slice feeds screw extruder after evenly mixing, and melt is through screw rod to filament spinning component, and 190 DEG C of spinning temperature, spinning speed
1500m/min, tow, using 90 DEG C of heat-setting process, cut into 38mm length through 2.5 times of oil bath drawing-off;(3) compound non-to knit
Make filtering material preparation: above-mentioned argentiferous polylactic acid antibacterial is short fine with 70% mass percent and activated carbon fibre silk feeding cotton carding
System, fiber form fibre web after feeding, shredding, mixing and carding step, through cross lapping, drawing-off, and fibre web is through being thermally bonded
It reinforces, winding, obtains complex nonwoven filtering material.
The fiber number 1.5dtex of the short fibre of the made argentiferous polylactic acid antibacterial of the present embodiment, intensity 5.0cN/dtex, extension at break are
50%;The preferred luffa plant fiber based active carbon fiber of the present embodiment, 10~12 μm of the fiber filament diameter, specific surface area
900~1000m2/g。
The made non-woven filter material grammes per square metre 200g/m of the present embodiment2, thickness 1.5mm.
Above-mentioned antibacterial ordor removing non-woven filter material is cut, folds wave Air Filter Filter Core is made.
Mixing fibre web and hot sticky is made in antibacterial polylactic acid fiber and activated carbon fibre with strong suction-operated by the present invention
It closes and reinforces into non-woven filter material, product had both had antibacterial ordor removing multi-efficiency, in turn avoids conventional air purified filter material and adopts
It is combined with the non-woven fabrics of multilayer simple function and causes air drag to increase, the situation of drafting efficiency decline, to improve
Safety.The fibre based activated Carbon fibe of preferred plant of the present invention and acid fiber by polylactic are raw material, ecological, environmental protective.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.In addition, should
Understand, although this specification is described in terms of embodiments, but not each embodiment only includes an independent technology
Scheme, this description of the specification is merely for the sake of clarity, and those skilled in the art should be using specification as one
Whole, the technical solutions in the various embodiments may also be suitably combined, formed it will be appreciated by those skilled in the art that other realities
Apply mode.
Claims (4)
1. a kind of antibacterial ordor removing non-woven filter material, by the short fine and activated carbon fibre wire composite material group of argentiferous polylactic acid antibacterial
At preparation method includes the following steps:
(1) argentiferous polylactic acid antibacterial slice preparation: polylactic acid slice is dried in vacuo 15~18h at 55~65 DEG C, will be averaged
Silver nanoparticles of the partial size no more than 25nm are with 10~25% mass percent and the polylactic acid slice through being dried point
It dissipates and is uniformly mixed, screw extruder melting extrusion at a temperature of 160~180 DEG C is added, it is anti-to obtain argentiferous polylactic acid for cooling granulation
Bacterium slice;
(2) the short fine preparation of argentiferous polylactic acid antibacterial: by above-mentioned argentiferous polylactic acid antibacterial be sliced with 10~15% mass percents with it is upper
It states the polylactic acid slice through being dried and feeds screw extruder after evenly mixing, melt is through screw rod to filament spinning component, spinning temperature
170~230 DEG C, 1500~1600m/min of spinning speed of degree, tow is through 2.0~3.5 times of oil bath drawing-off, using 90~110 DEG C
Heat-setting process cuts into 35~55mm length;
(3) prepared by complex nonwoven filtering material: by the short fibre of above-mentioned argentiferous polylactic acid antibacterial with 60~80% mass percents and work
Property Carbon fibe silk be sent into cotton carding system, fiber formed after feeding, shredding, mixing and carding step by cross lapping, drawing-off
Fibre web, fibre web are reinforced through heat bonding, are wound, and complex nonwoven filtering material is obtained.
2. antibacterial ordor removing non-woven filter material according to claim 1, it is characterised in that: the argentiferous polylactic acid antibacterial
The fiber number of short fibre is 1.4~1.7dtex, and 5.0~5.5cN/dtex of intensity, extension at break is 45~55%;The activated carbon fibre
The silk fibre based activated Carbon fibe of preferred plant, 5~15 μm of the fiber filament diameter, 900~2000m of specific surface area2/g。
3. antibacterial ordor removing non-woven filter material according to claim 1 or 2, it is characterised in that: the weaving filter
80~300g/m of material grammes per square metre2, 0.6~2.0mm of thickness.
4. the application of any one of the claim 1-3 antibacterial ordor removing non-woven filter material, it is characterised in that: by the antibacterial
Ordor removing non-woven filter material cut, folds wave Air Filter Filter Core is made.
Priority Applications (1)
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CN201810378302.0A CN110393978A (en) | 2018-04-25 | 2018-04-25 | A kind of antibacterial ordor removing non-woven filter material and its application |
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CN201810378302.0A CN110393978A (en) | 2018-04-25 | 2018-04-25 | A kind of antibacterial ordor removing non-woven filter material and its application |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112295314A (en) * | 2020-09-16 | 2021-02-02 | 齐鲁工业大学 | Completely biodegradable filtering material and preparation method thereof |
CN112973285A (en) * | 2019-12-12 | 2021-06-18 | 核工业理化工程研究院 | Composite filter element for emergency water supply and preparation method thereof, filter and filtering method thereof |
CN113981562A (en) * | 2021-10-15 | 2022-01-28 | 安徽元琛环保科技股份有限公司 | Preparation method of nano activated carbon particle doped PLA (polylactic acid) bio-based degradable fiber filter material for industrial flue gas |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112973285A (en) * | 2019-12-12 | 2021-06-18 | 核工业理化工程研究院 | Composite filter element for emergency water supply and preparation method thereof, filter and filtering method thereof |
CN112295314A (en) * | 2020-09-16 | 2021-02-02 | 齐鲁工业大学 | Completely biodegradable filtering material and preparation method thereof |
CN113981562A (en) * | 2021-10-15 | 2022-01-28 | 安徽元琛环保科技股份有限公司 | Preparation method of nano activated carbon particle doped PLA (polylactic acid) bio-based degradable fiber filter material for industrial flue gas |
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Application publication date: 20191101 |