CN203507682U - Needle-punched static filtering cotton - Google Patents
Needle-punched static filtering cotton Download PDFInfo
- Publication number
- CN203507682U CN203507682U CN201320692282.7U CN201320692282U CN203507682U CN 203507682 U CN203507682 U CN 203507682U CN 201320692282 U CN201320692282 U CN 201320692282U CN 203507682 U CN203507682 U CN 203507682U
- Authority
- CN
- China
- Prior art keywords
- acupuncture
- needle
- filter pulp
- punched
- static
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000003068 static effect Effects 0.000 title claims abstract description 44
- 238000001914 filtration Methods 0.000 title abstract description 37
- 229920000742 Cotton Polymers 0.000 title abstract description 13
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 29
- 238000001467 acupuncture Methods 0.000 claims description 96
- 239000000835 fiber Substances 0.000 claims description 60
- 230000000704 physical effect Effects 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 description 24
- 229920001155 polypropylene Polymers 0.000 description 24
- 230000005684 electric field Effects 0.000 description 22
- 238000001035 drying Methods 0.000 description 20
- 239000000428 dust Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 20
- -1 Polypropylene Polymers 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 10
- 239000007921 spray Substances 0.000 description 9
- 239000004744 fabric Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- 239000000706 filtrate Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005098 hot rolling Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Filtering Materials (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The utility model discloses needle-punched static filtering cotton which comprises a needle-punched non-woven layer, wherein a spunbond non-woven fabric is arranged on one side or two sides of the upper surface and the lower surface of the needle-punched non-woven layer. According to the needle-punched static filtering cotton, needle-punched cotton is compounded, so that the air pressure resistance of the needle-punched cotton is improved, and a support function is achieved; due to application of high-density charges on the needle-punched cotton, not only is the filtering efficiency greatly improved, that is, the filtering efficiency is increased to be greater than 98%, but also the filtering resistance is greatly reduced, and the filtering resistance is reduced to be less than 7Pa. The needle-punched static filtering cotton subjected to such treatment has the outstanding characteristics of high filtering efficiency, ultra-low filtering resistance and long service life, and moreover physical properties such as the longitude and latitude strength and the wearing resistance are greatly higher than those of the conventional ordinary melt-blow static filtering cotton.
Description
Technical field
The utility model belongs to air purification field, and related is a kind of acupuncture static filter pulp, specifically a kind of acupuncture electro static filtering material.
Background technology
Have at least people's all one's life spend indoor more than 80% time.Along with the raising of people's living standard and science and technology are fast-developing, people have higher requirement to IAQ, and the indoor and local purified product such as air purifier, dust catcher, mouth mask and air-conditioning becomes family's various daily neces saries.Filtrate is as the core component of above product, and it will possess filtration efficiency, lower resistance and higher dust containing capacity.
Polypropylene fibre owing to having, littlely, not mould do not eat into, good anti-wear performance and excellent decay resistance by hygroscopicity, and cheap cost, is subject to the favor of the overanxious industry of family expenses, already become conventional main flow filtering material.Melt and spray filter cloth and rely on superfine fibre fineness (can reach 1 μ m), three-dimensional micropore structure, become sub-efficient and other leading filtrate of higher level, and make electrostatic charge on the superfine fibre band in melt-blown filter materials through Corona charge, melt-blown filter materials superfine fibre is filtered superpose again Electrostatic Absorption to be filtered, become the core of high efficiency filter material.But melt-blown filter materials has two insurmountable defects: the one, and filtration resistance is very large; The 2nd, its intensity is very low, substantially without powerful.Because melt-blown filter materials relies on its superfine fibre, catch grit, filtration resistance, along with filter efficiency increases and increases, therefore, guarantee higher filter efficiency, and its filtration resistance is necessarily bigger than normal.And on improved strength: patent CN101432334A has introduced a kind of intensity that a certain proportion of ring family or aromatics particle improve melt-blown material of adding in polyester raw material; The form that Chinese patent CN202202113U, CN102847374A employing fusion spray cloth and spun-bonded non-woven fabrics are compound, to improve the not enough problem of melt-blown material intensity.
Common fluffy needle punched filter material has larger hole, higher porosity, internal structure and is the advantages such as three-dimensional shape, filtration resistance be minimum, but its filter efficiency is poor, can only be applied on primarily efficient filter and can not be applied in middle high efficiency particulate air filter.The utility model is selected special fibrous raw material, adopt needling process to produce needle-punched non-woven base fabric, utilize inhomogeneous field to cause air partial breakdown, the ion beam that instantaneous high pressure corona discharge produces can bombard dielectric and make it be with electric charge, grit in dust-contained airflow can be by with upper certain electric charge, because the charges of different polarity are inhaled on the fiber that is caught in filtrate mutually during by filtrate.
Utility model content
In order to solve an efficiently but but efficient difficult problem of low-resistance, general acupuncture filtrate low-resistance not of melt-blown filter materials,, the purpose of this utility model is to provide a kind of filter efficiency high, and resistance is minimum, and has the acupuncture static filter pulp of some strength.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
An acupuncture static filter pulp, comprises acupuncture nonwoven layer, and one deck spun-bonded non-woven fabrics is established in appointing on one or both sides in the upper surface of described acupuncture nonwoven layer, lower surface.
Further, at described acupuncture nonwoven layer, be static acupuncture nonwoven fibrage.
Further, the fineness scope of the fiber in described static acupuncture nonwoven fibrage is 1.0-3.5dtex, and individual fiber diameter is at 9-18 μ m, fibre length 30-60mm.
Further, described fibre section is shaped as flat structure.This structure is conducive to improve the surface area of fiber on the one hand, improves fiber surface electric charge, is conducive to store electric charge and keeps permanent stable, correspondingly also increases Electrostatic Absorption efficiency; Increase on the other hand the contact area of dust and fiber, improve physics intercepting efficiency and strengthen gravitational settling effect.
Beneficial effect: the advantage of comparing with existing product:
Filter pulp on existing market, to melt and spray filter pulp and acupuncture filter pulp is in the majority, and this two classes filter pulp has performance weakness separately.Melt and spray filter cotton is to rely on number of fiber in its unit are to carry out to tackle dust more, and filter pulp itself is comprised of the superfine fibre of fineness 1-3 μ m, so its filter efficiency is higher, but filtration resistance is larger, and dust containing capacity is also limited, and intensity is poor.Acupuncture filter pulp is to come fixed by acupuncture, owing to there being 3-D solid structure, unit dust containing capacity is larger, intensity and extensibility are also better, but thorn pinprick is large owing to existing on filter pulp, cause that filter pulp hole is large, porosity is high, this no doubt makes resistance less, but its filter efficiency is also poor, be generally used for primarily efficient filter occasion.
The utility model static filter pulp is compared with melting and spraying filter cotton, and filtration resistance is far smaller than and melts and sprays filter cotton, and intensity and extensibility are far above melting and spraying filter cotton; Compare with acupuncture filter pulp, on the utility model static filter pulp, every fiber is all with electrostatic charge, and by the effect of Electrostatic Absorption dust, its filter efficiency is also far above the perverse filter pulp of pin.
The advantage of comparing with existing production technology: the utility model adopts the operation of needling process and corona discharge, creatively develops acupuncture static filter pulp.The utility model technique creatively applies corona discharge process after needling process, make to be with static on acupuncture nonwoven filter pulp, overcome due to the low problem of the excessive filter efficiency causing of acupuncture pricker pinprick, retained that the perverse filter pulp filtration resistance of pin is minimum, dust containing capacity is large, intensity and the good advantage of elongation simultaneously.
Generally speaking, filter efficiency and filtration resistance are conflict bodies, and filter efficiency height filtration resistance will be large, and filtration resistance is little, and its filter efficiency will be little.The utility model acupuncture static filter pulp has been realized the features such as filtration efficiency, low filtration resistance, a lot of dust amount.
Accompanying drawing explanation
Fig. 1 is the compound structural representation of the utility model acupuncture static filter pulp individual layer spun-bonded non-woven fabrics.
Fig. 2 is the compound structural representation of the utility model acupuncture static filter pulp double-layer fabric bonded non-woven fabrics.
Fig. 3 is the charged effect schematic diagram of the fiber of the utility model electrostatic non-woven layer.
The specific embodiment
Below by specific embodiment, the utility model is further illustrated; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model principle; can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
As shown in Figure 1 to Figure 3, a kind of acupuncture static filter pulp, comprises acupuncture nonwoven layer 1, and one deck spun-bonded non-woven fabrics 2 is established in appointing on one or both sides in the upper surface of described acupuncture nonwoven layer 1, lower surface.
Wherein, described acupuncture nonwoven layer 1 is static acupuncture nonwoven fibrage; The fineness scope of the fiber in described static acupuncture nonwoven fibrage is 1.0-3.5dtex, and individual fiber diameter is at 9-18 μ m, fibre length 30-60mm; Described fibre section is shaped as flat structure.
The preparation method of above-mentioned acupuncture static filter pulp, the method comprises the steps:
1) making of acupuncture nonwoven layer: polypropylene chopped strand is passed through to shredding mixing, combing, lapping successively, make comparatively fluffy poly-polypropylene fibre fibre web, and then become acupuncture nonwoven layer through multiple tracks pinprick reinforcement, the grammes per square metre of described acupuncture nonwoven layer is 30-300g/m
2;
2) acupuncture nonwoven layer drying technique: by step 1) obtaining first carries out preliminary drying, and then cures, and obtains acupuncture filter pulp;
3) static applies technique: will be through step 2) the acupuncture filter pulp processed is by one or several continuous high-voltage corona discharge electric field, and voltage, at 30-80KV, remains on 1-10S discharge time;
4) the acupuncture filter pulp size cutting on request that cutting package: will be through step 3) Electrostatic Treatment is crossed, is wound into acupuncture filter pulp volume;
5) making of spun-bonded non-woven fabrics: selecting fineness scope is that the polypropylene filament of 2-3D is raw material, and grammes per square metre is at 10-50g/m
2; Adopt conventional method to make spun-bonded non-woven fabrics volume; Also can select the hot rolling spun-bonded non-woven fabrics of different decorative patterns, to strengthen static filter pulp surface detail;
6) combination process: by two selvage guide framves, guide respectively spun-bonded non-woven fabrics volume and acupuncture filter pulp to roll up, then by 3-20m/min speed by acupuncture filter pulp and spun-bonded non-woven fabrics and close, guarantee that spun-bonded non-woven fabrics is below acupuncture filter pulp simultaneously.
In step 1) in while making acupuncture nonwoven layer, operating temperature is controlled at 22-26 ℃, humidity is controlled at 50-60%RH.
In step 2) in, preliminary drying temperature is 30-50 ℃, and baking temperature is 40-80 ℃, and criteria thus the drying time is 1-5min.
In step 2) in, needling density is determining the intensity of product, the selection of needling density will require with grammes per square metre, brute force, surface effect is consistent.The perverse density of pin is at 150-750 thorn/cm
2comparatively applicable.
Step 3) be another important process of the present utility model, it is directly the acupuncture filter pulp of making to be applied to static operation.Mainly contain three parameters:
1, voltage of electric field: if voltage is little, electromotive force is just little, the free charge in electric field above fiber surface just can not move to the other end of fiber, the electric microfield forming on fiber also a little less than; Otherwise voltage is excessive, easily puncture fiber electric field, cause fiber cannot be with electric charge.In the utility model, electric field should have three at the most, and each voltage of electric field should be at 30-80KV.
2, discharge time: as short in discharge time, do not reach predetermined charged effect; As long in discharge time, affect production efficiency, cause production capacity waste.Should remain on 1-10S discharge time used in the utility model.
3, the distance of filter pulp and electric field: filter pulp is by high voltage electric field, if filter pulp, close to electric field distance, is easily encountered electrode aborning with certain speed; If too far apply electrostatic efficiency a little less than.In the utility model, the distance of filter pulp and electric field is controlled within the scope of 3-30cm.
Below by embodiment, specifically set forth the utility model.
Embodiment 1: a kind of preparation method of acupuncture static filter pulp, the method comprises the steps:
1) acupuncture nonwoven layer is made: polypropylene chopped strand is passed through to shredding mixing, combing, lapping successively, make comparatively fluffy poly-polypropylene fibre fibre web, the grammes per square metre of poly-polypropylene fibre fibre web is 35g/m
2, the longitudinal fiber degree of orientation is 87, and aspect intensity ratio is 2.9; And then the acupuncture of Jing Er road is carried out positive and negative processing, needling density 155 thorns/cm to poly-polypropylene fibre fibre web
2,reinforce into acupuncture nonwoven layer, the operating temperature of atelier is controlled at 22-26 ℃, and humidity is controlled at 50-60%RH.
2) acupuncture nonwoven layer drying technique: by step 1) obtaining first carries out preliminary drying, and then cures, and obtains acupuncture filter pulp; Wherein preliminary drying temperature is 30 ℃, and baking temperature is 40 ℃, and criteria thus the drying time is 1min.
3) will be through step 2) the acupuncture filter pulp processed is by a high-voltage corona discharge electric field, voltage, at 35KV, remains on 1S discharge time, by the cloth of electric field with the high-voltage line of electric field apart from being strict controlled within the scope of 3.5cm;
4) the acupuncture filter pulp size cutting on request that cutting package: will be through step 3) Electrostatic Treatment is crossed, is wound into acupuncture filter pulp volume;
5) making of spun-bonded non-woven fabrics: selecting fineness scope is that the polypropylene filament of 2-3D is raw material, and grammes per square metre is at 10g/m
2; Make spun-bonded non-woven fabrics volume; Also can select the hot rolling spun-bonded non-woven fabrics of different decorative patterns, to strengthen static filter pulp surface detail; On sale on market.
6) combination process: guide respectively spun-bonded non-woven fabrics volume and acupuncture filter pulp to roll up by two selvage guide framves, by 19.5m/min speed and close.
The acupuncture static filter pulp that utilizes this example to make, filter efficiency is 42%, and filtration resistance is 0.5Pa, and dust containing capacity is 135g/m
2.
Embodiment 2:
1) acupuncture nonwoven layer is made: polypropylene chopped strand is passed through to shredding mixing, combing, lapping successively, make comparatively fluffy poly-polypropylene fibre fibre web, the poly-polypropylene fibre fibre web grammes per square metre of making is 85, and the longitudinal fiber degree of orientation is 76, and aspect intensity ratio is 2.5.And then the acupuncture of Jing Er road is carried out positive and negative processing, needling density 206 thorns/cm to poly-polypropylene fibre fibre web
2,reinforce into acupuncture nonwoven layer, the operating temperature of atelier is controlled at 22-26 ℃, and humidity is controlled at 50-60%RH.
2) acupuncture nonwoven layer drying technique: by step 1) obtaining first carries out preliminary drying, and then cures, and obtains acupuncture filter pulp; Wherein preliminary drying temperature is 40 ℃, and baking temperature is 50 ℃, and criteria thus the drying time is 2min.
3) will be through step 2) the acupuncture filter pulp processed is by a high-voltage corona discharge electric field, voltage, at 46KV, remains on 3S discharge time, by the cloth of electric field with the high-voltage line of electric field apart from being strict controlled in 7cm;
4) the acupuncture filter pulp size cutting on request that cutting package: will be through step 3) Electrostatic Treatment is crossed, is wound into acupuncture filter pulp volume;
5) making of spun-bonded non-woven fabrics: selecting fineness scope is that the polypropylene filament of 2-3D is raw material, and grammes per square metre is at 15g/m
2; Make spun-bonded non-woven fabrics volume; Also can select the hot rolling spun-bonded non-woven fabrics of different decorative patterns, to strengthen static filter pulp surface detail; On sale on market.
6) combination process: guide respectively spun-bonded non-woven fabrics volume and acupuncture filter pulp to roll up by two selvage guide framves, by 14m/min speed and close.
The acupuncture static filter pulp that utilizes this example to make, filter efficiency is 74%, and filtration resistance is 1Pa, and dust containing capacity is 362g/m
2.
Embodiment 3:
1) acupuncture nonwoven layer is made: polypropylene chopped strand is passed through to shredding mixing, combing, lapping successively, make comparatively fluffy poly-polypropylene fibre fibre web, the poly-polypropylene fibre fibre web grammes per square metre of making is 180, and the longitudinal fiber degree of orientation is 45, and aspect intensity ratio is 1.6.And then the acupuncture of Jing Er road is carried out positive and negative processing, needling density 438 thorns/cm to poly-polypropylene fibre fibre web
2,reinforce into acupuncture nonwoven layer, the operating temperature of atelier is controlled at 22-26 ℃, and humidity is controlled at 50-60%RH.
2) acupuncture nonwoven layer drying technique: by step 1) obtaining first carries out preliminary drying, and then cures, and obtains acupuncture filter pulp; Wherein preliminary drying temperature is 50 ℃, and baking temperature is 65 ℃, and criteria thus the drying time is 3min.
3) will be through step 2) the acupuncture filter pulp processed is by a high-voltage corona discharge electric field, voltage, at 60KV, remains on 7S discharge time, by the cloth of electric field with the high-voltage line of electric field apart from being strict controlled in 20cm;
4) the acupuncture filter pulp size cutting on request that cutting package: will be through step 3) Electrostatic Treatment is crossed, is wound into acupuncture filter pulp volume;
5) making of spun-bonded non-woven fabrics: selecting fineness scope is that the polypropylene filament of 2-3D is raw material, and grammes per square metre is at 15g/m
2; Make spun-bonded non-woven fabrics volume; Also can select the hot rolling spun-bonded non-woven fabrics of different decorative patterns, to strengthen static filter pulp surface detail; On sale on market.
6) combination process: guide respectively spun-bonded non-woven fabrics volume and acupuncture filter pulp to roll up by two selvage guide framves, by 8m/min speed and close.
The acupuncture static filter pulp that utilizes this example to make, filter efficiency is 98.3%, and filtration resistance is 6Pa, and dust containing capacity is 632g/m
2.
Embodiment 4:
1) acupuncture nonwoven layer is made: polypropylene chopped strand is passed through to shredding mixing, combing, lapping successively, make comparatively fluffy poly-polypropylene fibre fibre web, the poly-polypropylene fibre fibre web grammes per square metre of making is 298, and the longitudinal fiber degree of orientation is 12, and aspect intensity ratio is 0.85.And then the acupuncture of Jing Er road is carried out positive and negative processing, needling density 726 thorns/cm to poly-polypropylene fibre fibre web
2,reinforce into acupuncture nonwoven layer, the operating temperature of atelier is controlled at 22-26 ℃, and humidity is controlled at 50-60%RH.
2) acupuncture nonwoven layer drying technique: by step 1) obtaining first carries out preliminary drying, and then cures, and obtains acupuncture filter pulp; Wherein preliminary drying temperature is 50 ℃, and baking temperature is 80 ℃, and criteria thus the drying time is 5min.
3) will be through step 2) the acupuncture filter pulp processed is by a high-voltage corona discharge electric field, voltage, at 80KV, remains on 10S discharge time, by the cloth of electric field with the high-voltage line of electric field apart from being strict controlled in 30cm.
4) the acupuncture filter pulp size cutting on request that cutting package: will be through step 3) Electrostatic Treatment is crossed, is wound into acupuncture filter pulp volume;
5) making of spun-bonded non-woven fabrics: selecting fineness scope is that the polypropylene filament of 2-3D is raw material, and grammes per square metre is at 30g/m
2; Make spun-bonded non-woven fabrics volume; Also can select the hot rolling spun-bonded non-woven fabrics of different decorative patterns, to strengthen static filter pulp surface detail; On sale on market.
6) combination process: guide respectively spun-bonded non-woven fabrics volume and acupuncture filter pulp to roll up by two selvage guide framves, by 3m/min speed and close.
The acupuncture static filter pulp that utilizes this example to make, filter efficiency is 99.2%, and filtration resistance is 11Pa, and dust containing capacity is 852g/m
2.
The acupuncture static filter pulp that utilizes the technique described in the utility model and preparation method to make, has filtration efficiency, low filtration resistance, the large outstanding advantage of high dust containing capacity three.For acupuncture filter pulp general on market, melt and spray filter pulp and the perverse static filter pulp of the utility model pin detects contrast, its main performance index is as shown in table 1.
Table 1 and the contrast of existing product performance indications
| Project | Grammes per square metre (g/m 2) | Thickness (mm) | Filter efficiency % | Filtration resistance Pa | Dust containing capacity g/m 2 | Tensile strength KN/m |
| Embodiment 1 | 45 | 0.6 | 42 | 0.5 | 135 | 0.46 |
| Embodiment 2 | 100 | 1.2 | 74 | 1 | 362 | 0.55 |
| Embodiment 3 | 195 | 2.0 | 98.3 | 6 | 632 | 0.89 |
| Embodiment 4 | 328 | 3.1 | 99.2 | 11 | 852 | 1.12 |
| The perverse filter pulp of pin | 150 | 2.50 | 35 | 4 | 586 | 0.75 |
| Melt and spray filter pulp | 60 | 0.35 | 99.99 | 92 | 162 | 0.4 |
| Melt and spray filter pulp | 25 | 0.12 | 80 | 32 | 53 | 0.07 |
Note: 1. strainability adopts EN1822-2009 standard, filtration velocity 5.3cm/s, experiment air quantity 273LPM, dust concentration 2.5-3 ten thousand.
2. filter pulp depends on dust containing capacity service life, and dust containing capacity is larger, and its replacement cycle is longer.
From These parameters, can find out, the acupuncture static that utilizes the related preparation method of the utility model to make is cotton, in filter efficiency, far away higher than existing acupuncture filter pulp; In filtration resistance, dust containing capacity with on service life, be far longer than and melt and spray filter pulp.The two advantage of the utility model acupuncture filter pulp collection, has realized three most crucial large requirements of filtration efficiency, low filtration resistance, high dust containing capacity filtrate.
Claims (4)
1. an acupuncture static filter pulp, is characterized in that: comprise acupuncture nonwoven layer (1), one deck spun-bonded non-woven fabrics (2) is established in appointing on one or both sides in the upper surface of described acupuncture nonwoven layer (1), lower surface.
2. a kind of acupuncture static filter pulp according to claim 1, is characterized in that: at described acupuncture nonwoven layer (1), be static acupuncture nonwoven fibrage.
3. a kind of acupuncture static filter pulp according to claim 2, is characterized in that: the fineness scope of the fiber in described static acupuncture nonwoven fibrage is 1.0-3.5dtex, and individual fiber diameter is at 9-18 μ m, fibre length 30-60mm.
4. a kind of acupuncture static filter pulp according to claim 3, is characterized in that: described fibre section is shaped as flat structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320692282.7U CN203507682U (en) | 2013-11-05 | 2013-11-05 | Needle-punched static filtering cotton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320692282.7U CN203507682U (en) | 2013-11-05 | 2013-11-05 | Needle-punched static filtering cotton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203507682U true CN203507682U (en) | 2014-04-02 |
Family
ID=50366667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320692282.7U Expired - Fee Related CN203507682U (en) | 2013-11-05 | 2013-11-05 | Needle-punched static filtering cotton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203507682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537142A (en) * | 2013-11-05 | 2014-01-29 | 云高杰 | Needling static filter cotton and preparation method thereof |
| CN108468156A (en) * | 2018-03-20 | 2018-08-31 | 吉林省华纺静电材料科技有限公司 | Technique and its application of electrostatic net are pierced using polypropylene electrostatic fibre and Dralon production needle |
| US11136699B2 (en) | 2018-05-14 | 2021-10-05 | Fitesa Simpsonville, Inc. | Composite sheet material, system, and method of preparing same |
-
2013
- 2013-11-05 CN CN201320692282.7U patent/CN203507682U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537142A (en) * | 2013-11-05 | 2014-01-29 | 云高杰 | Needling static filter cotton and preparation method thereof |
| CN103537142B (en) * | 2013-11-05 | 2015-11-11 | 云高杰 | A kind of acupuncture electrostatic filter pulp and preparation method thereof |
| CN108468156A (en) * | 2018-03-20 | 2018-08-31 | 吉林省华纺静电材料科技有限公司 | Technique and its application of electrostatic net are pierced using polypropylene electrostatic fibre and Dralon production needle |
| US11136699B2 (en) | 2018-05-14 | 2021-10-05 | Fitesa Simpsonville, Inc. | Composite sheet material, system, and method of preparing same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103537142B (en) | A kind of acupuncture electrostatic filter pulp and preparation method thereof | |
| CN103781956B (en) | Non-woven electret fiber net and preparation method thereof | |
| US7981177B2 (en) | Filtration media having a slit-film layer | |
| CN107224783B (en) | Filter felt with composite structure and preparation method and application thereof | |
| US20110064928A1 (en) | Nonwoven material | |
| Schreuder-Gibson et al. | Cooperative charging effects of fibers from electrospinning of electrically dissimilar polymers | |
| CN110404339B (en) | High-efficiency low-resistance PM2.5 antibacterial and mildewproof filtering material and preparation method thereof | |
| CN203507682U (en) | Needle-punched static filtering cotton | |
| CN103046231A (en) | Melt spinning non-woven material and production method and application thereof | |
| CN106890506B (en) | Low-impedance high-efficiency air filtering material and preparation method thereof | |
| CN104801110B (en) | A kind of plush and nano electrostatic spin felt composite filtering material and preparation method thereof | |
| WO2010055668A1 (en) | Sheet-like assembly of fibers having small diameters, method for producing same, and apparatus for producing same | |
| CN109603303A (en) | A kind of needle thorn electrostatic cotton filtering material of the auxiliary agent containing energization and preparation method thereof | |
| CN106757424A (en) | A kind of method of electrostatic spinning and electrostatic spinning machine prepared with stereochemical structure tunica fibrosa | |
| CN204224823U (en) | A kind of air filtration snow Neil warp-knitted spacer fabric | |
| KR102116377B1 (en) | Manufacturing method of fine dust filter | |
| CN103706182A (en) | Spherical and linear combined compound fiber air filtering material and preparation method thereof | |
| CN207203652U (en) | A kind of high temperature resistant type terylene antistatic Nomex | |
| CN105498361A (en) | Polyester-ultrafine fiber composite nonwoven filter felt and making method thereof | |
| CN111364164A (en) | Multifunctional self-reinforced bicomponent filament electrostatic filtering material and preparation method and application thereof | |
| CN112973281B (en) | Multilayer superfine fiber filtering material and preparation method thereof | |
| KR20110131665A (en) | Filter media using a cellulose nano-fiber and method for preparing the same | |
| CN112057951B (en) | Three-dimensional non-woven filter material with micro-nano overlapped structure and preparation method thereof | |
| CN205130539U (en) | Tangerine lamella type division facing layer dacron water thorn filter felt | |
| CN202223983U (en) | Large dust containing filter material suitable for being used in dry region |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210226 Address after: 213165 No.38 jiangjiatang, Banshang village committee, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Baipeng Textile Co.,Ltd. Address before: 211505 room 209, building a11, No.9 Kechuang Avenue, Getang street, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Yun Gaojie |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |