CN101305117A - A method and device for production of nanofibres through electrostatic spinning of solutions or melts of polymers - Google Patents
A method and device for production of nanofibres through electrostatic spinning of solutions or melts of polymers Download PDFInfo
- Publication number
- CN101305117A CN101305117A CNA2006800420124A CN200680042012A CN101305117A CN 101305117 A CN101305117 A CN 101305117A CN A2006800420124 A CNA2006800420124 A CN A2006800420124A CN 200680042012 A CN200680042012 A CN 200680042012A CN 101305117 A CN101305117 A CN 101305117A
- Authority
- CN
- China
- Prior art keywords
- substrate
- electrical conductivity
- liquid
- nanofiber
- increases
- 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.)
- Pending
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to the method of production of nanofibres through electrostatic spinning of solutions (14) or melts of polymers, at which the produced nanofibres are deposited on the moving base (2) in the spinning chamber (1), while before entering into the spinning chamber (1) the electrical conductivity of the base (2) is increased. The invention also relates to the device for production of nanofibres through electrostatic spinning of solutions (14) or melts of polymers containing the spinning chamber (1) in which the produced nanofibres are deposited on the base (2). In the direction of motion of the base (2) before the spinning chamber (1) there is arranged the device (3) for increasing the electrical conductivity of the base (2).
Description
Technical field
The present invention relates to the method that the electrostatic spinning by polymer solution or melt is produced nanofiber, wherein, the nanofiber of generation is deposited on the substrate in the spinning chamber.
The present invention also relates to produce by the electrostatic spinning of polymer solution or melt the device of nanofiber, described device comprises spinning chamber, and in described spinning chamber, the nanofiber of generation is deposited on the substrate.
Background technology
Nanofiber should be understood to diameter and reaches nanometer (10
-9M) fiber of place value, and the diameter of the nanofiber by general spinning process production changes in the scope of about 20nm-800nm.
In fact nanofiber layer is mainly used in other layer that connects fabric, as the filter course of fine filtering, is used for the manufacturing of protective clothing, is used as special selectivity porous bandage in medical science, and is used for a lot of other fields and application.
The most important method of producing nanofiber is the electrostatic spinning of polymer solution or melt.When electrostatic spinning, suitable polymer solution or polymer melt are brought in the electrostatic field by rights, produce described electrostatic field by the electrical potential difference between at least one spin electrode and at least one colelctor electrode.Then, the time-independent electrostatic field of Chan Shenging is on polymer solution/melt like this, for example the rotation of the spin electrode of the so-called Coulomb force by having a certain value is brought into described polymer solution/melt in the electrostatic field, by the suitable selection to the electrostatic potential of spin electrode and colelctor electrode, described Coulomb force acts on from the spin electrode on the direction of colelctor electrode.The value of these required power, and the intensity of electrostatic field provides by the following fact: in the process of electrostatic spinning, these power not only must overcome the surface tension of polymer solution/melt, also must overcome the power by the viscosity generation of solution/melt.By the masterpiece of appropriate value is used on polymer solution/melt layer, this layer produces distortion, and the equilibrium of forces state of all participations causes producing so-called taylor cone then.Further do the time spent in the Coulomb force, the elongation that the fiber master examines occurs from these taylor cones, described then fiber master nuclear produces final nanofiber by its division subsequently.Then from the surface of polymer solution/melt nanofiber " extraction ", this is on the direction of the electrostatic field line of force that two electrodes produce approx.In the ideal case, when the Coulomb force that colelctor electrode is only arranged acted on the nanofiber, the nanofiber of generation can duplicate the direction of the line of force.
Preferably also before nanofiber contact colelctor electrode, must catch the nanofiber that produces in the above described manner by rights, and carry described nanofiber from the spinning zone of carrying out spinning process.Usually implement catching the nanofiber that produces according to the above step with following method: the spatial interpolation between spin electrode and colelctor electrode is gone into suitable substrate, in most of the cases form described substrate by fabric construction, nanofiber is deposited on the surface of fabric construction, and is transported to outside the spinning zone by the motion of fabric construction.
During the depositing nano fiber, in fact some problems can occur on the surface of fabric construction, these problems are by following true the generation: the above-mentioned fabrics structure is nonconducting under many circumstances, and has the character of electrical insulator (dielectric).When the electrostatic spinning of polymer solution/melt, a certain electromotive force is sent to spin electrode or polymer solution/melt, partly be immersed within polymer solution/melt by the spin electrode, described electromotive force also is sent to polymer solution/melt, correspondingly arrives the spin electrode.Polymer solution/melt has with nanofiber from its generation and the identical electric charge of spin electrode.After charged nanofiber was sent to nonconducting fabric construction, because the insulating property (properties) of fabric construction, electric charge was not taken out of, and fabric construction is recharged, and had identical electric charge with the nanofiber that enters.According to the type and the character of fabric construction, produce charging immediately or in the short time interval after the nanofiber of fabric construction contact electrification to fabric construction.This situation has disadvantageous negative effect to the process of electrospinning silk, and this is particularly because two reasons.First reason is that overall reduction and original electrostatic field becomes inhomogeneous; According to the known fact because of the mutual repulsive force between identical charges, Another reason is just near the repulsive force of nanofiber.As long as nanofiber layer is produced fully, this just causes the generation of nanofiber quite inferior, this is become by the inhomogeneity remarkable reduction of the nanofiber layer that diameter caused of the nanofiber that increases obviously, and described nanofiber is transferred and is deposited in the whole spinning space in unfavorable mode simultaneously.Therefore, after this, the whole manufacturing process of nanofiber may stop fully.
The objective of the invention is to eliminate the problems referred to above or the problems referred to above are minimized, described problem occurs during the electrostatic spinning by polymer solution or melt is produced nanofiber, and betwixt, the nanofiber of generation is deposited on the substrate in the spinning chamber.
Summary of the invention
The method by electrostatic spinning production nanofiber according to the present invention realizes purpose of the present invention, and principle of the present invention is: before in entering into spinning chamber, the electrical conductivity of substrate increases.This means that having the substrate that increases electrical conductivity enters within the electrostatic field of spinning chamber, for example, the substrate of conduction replaces original nonconducting substrate, therefore the interference of above-described electrostatic field can not occur, and under the situation of the base material that fully conducts electricity, the process of electrostatic spinning is undertaken by its principle in undisturbed mode.
In some cases, if on the impact side of substrate, the electrical conductivity on the substrate surface increases, and this is favourable so.In other cases, because technical reason must increase the interior electrical conductivity of whole volume of substrate.
As described in claim 4, if in substrate after the depositing nano fiber, the electrical conductivity of substrate reduces, and this is favourable so.
Simultaneously, if after spinning chamber is left in the substrate of the nanofiber that has deposition, the electrical conductivity of substrate reduces, and this is favourable so.Nonconducting substrate just becomes conductive substrates in certain period, and the length during this period of time that reaches a certain elongatedness depends on the movement velocity of the base material of the electrostatic spinning that is used for polymer solution/melt in device, depend on the efficient of removing conducting liquid from conductive substrates in some cases, therefore we can say, only after its access arrangement is with the electrical conductivity that increases substrate, conduct electricity in spinning chamber and before separating device is with the electrical conductivity that reduces substrate, this is a device part that is used for according to electrostatic spinning of the present invention in substrate.Possible further production operation is not interfered in specification requirement only, the electrical conductivity of substrate, implements described production operation before or after the depositing nano fibrage outside device for spinning.
Deliver to the increase that substrate realizes the electrical conductivity of substrate by the liquid that electrical conductivity is increased, make the electrical conductivity of substrate increase to required level by the liquid of described electrical conductivity increase and the interaction of substrate.
Favourable embodiment according to claim 7 is delivered to substrate with the liquid that the electrical conductivity of gaseous state increases.By with the interaction of substrate, produce the drop that covers basilar fibers or the condensate of liquid film form, perhaps fluid molecule is connected to fiber by physical force and simultaneously with within the volume that penetrates into basilar fibers in various degree.In fact, almost always can expect the fellowship of all these effects.
In embodiment according to Claim 8, liquid is delivered to substrate with liquid form, and during according to claim 9, if transport liquid with aerocolloidal form then be favourable.
The liquid that suitable electrical conductivity increases is polar solvent.The requirement of the electric conductivity of substrate if after applying nanofiber layer, with a hook at the end, the liquid that increases of electrical conductivity is salt solution so, described salt solution after the drying in substrate at least the impact side from substrate produce conductive layer.Advantageously, the reducing of electrical conductivity by removing liquid that electrical conductivity increases from substrate or can realizing substrate by the amount that reduces the liquid that intrabasement electrical conductivity increases at least.
The principle that electrostatic spinning according to the present invention by polymer solution or melt is produced the equipment of nanofiber is: the device of electrical conductivity that is used to increase substrate is before being arranged in spinning chamber on the direction of motion of substrate.
Simultaneously, if be used to reduce the device of the electrical conductivity of substrate is arranged in spinning chamber on the direction of motion of substrate after, this is favourable so.
In favourable embodiment, the device that is used to increase the electrical conductivity of substrate comprises the device that the liquid that electrical conductivity is increased is delivered to substrate, the impact side that it is delivered to two sides of substrate or delivers to substrate.
Description of drawings
Example according to the embodiment of device of the present invention schematically is shown in accompanying drawing (Fig. 1).
The specific embodiment
The example of embodiment of producing the device of nanofiber in accompanying drawing (Fig. 1) according to the electrostatic spinning that passes through polymer solution that schematically shows illustrates by electrostatic spinning and produces the method for nanofiber and produce the device of nanofiber by the electrostatic spinning of polymer solution or melt, described device comprises: spinning chamber 1 is provided with spin electrode 11 therein; The storage tank 13 of colelctor electrode 12 and polymer solution 14.Spin electrode 11 is installed in pivotally with known manner in the storage tank 13 of polymer solution, and its surperficial part is inserted within the polymer solution 14 in the storage tank 13.When spin electrode 11 rotated around its longitudinal axis, spin electrode 11 was transported to a certain amount of polymer solution 14 within the spinning space 15 of spinning between electrode 11 and the colelctor electrode 12 by its surface.
In the example of illustrated embodiment, in the space between colelctor electrode 12 and spin electrode 11, generation is used to guide the track of substrate 2 near the colelctor electrode 12 in spinning chamber 1, and described substrate 2 is generally represented by the band of mainly being made by textile material.
The equipment 3 of electrical conductivity that is used to increase substrate is before being arranged in spinning chamber 1 on the direction of motion of substrate 2.The device 4 that is used to reduce the electrical conductivity of substrate 2 is arranged in after the spinning chamber 1 on the direction of motion of substrate.
In the example of illustrated embodiment, substrate 2 launches from carrying roller 5 with known manner, and before access to plant 3 was with the electrical conductivity that increases substrate, substrate 2 was through a pair of feed roller 6.After separating device 4 is with the electrical conductivity that reduces substrate, has a pair of work beam 7 of substrate 2 processes of the nanofiber layer of deposition, and be wound up on the yardage roll 8 with known manner.
In the device 3 of the electrical conductivity that is used to increase substrate 2, with respect to substrate 2 arrangement apparatus 31 and 32, described device is used for the liquid 311 that electrical conductivity increases is delivered to substrate 2, first device 31 that is used for the liquid 311 that electrical conductivity increases is delivered to substrate 2 is oriented towards the impact side 21 of substrate 2, and is used for the liquid 311 that electrical conductivity increases is delivered to second device, 32 back sides that are oriented towards substrate 2 of substrate 2.Impacting side 21 is substrate 2 sides towards spin electrode 11.Simultaneously, the liquid 311 of electrical conductivity increase can be liquid state or gaseous state.
Under the situation of liquid state, basad 2 transport liquid aersol, described aerosol on the surface of substrate from a side or two sides produce liquid films and/or fluid molecule is connected to substrate by physical force and simultaneously with the volume that penetrates into substrate 2 in various degree within.Simultaneously, for high-quality spinning necessity be: basad at least 2 impact side 21 applies the liquid 311 that electrical conductivity increases.
The requirement of the electric conductivity of substrate 2 if after applying nanofiber layer, with a hook at the end, the liquid 311 that increases of electrical conductivity is salt solution so, described salt solution after the drying in substrate 2 at least the impact side 21 from substrate produce conductive layers.
The liquid 311 that increases in electrical conductivity is under the situation of gaseous state, the basad liquid vapour that transports, described liquid vapour is by producing the condensate of drop and/or liquid film form with the interaction of substrate 2, and/or fluid molecule is connected to substrate by physical force and simultaneously with within the volume that penetrates into substrate 2 in various degree.
The liquid that electrical conductivity increases is polar solvent, for example alcohol or acid.Polar solvent is interpreted as comprising the solvent of dipole in its molecule.
Like this, nonconducting substrate becomes the substrate of conduction, and the electrical conductivity on conductive substrates increases.Carry out the processing that nonconducting substrate 2 becomes conductive substrates 2 in the device 3 of the electrical conductivity that is used to increase substrate, device 3 is set at before the spinning chamber 1.After access to plant 3 is with the electrical conductivity that increases substrate, basad 2 apply the liquid 311 that electrical conductivity increases, the liquid 311 that described electrical conductivity increases makes nonconducting substrate 2 have certain electrical conductivity, viewpoint from the fluency of electrostatic spinning process, advantageously: nonconducting substrate 2 is after being brought within the electrostatic field that spins between electrode 11 and the colelctor electrode 12, and it plays the effect of electric conductor to a certain extent.Realize that by the certain methods in the known method basad 2 apply the liquid 311 that electrical conductivity increases, and liquid is delivered to the surface of substrate 2 from its captive side and/or opposite side.From the above mentioned, it is evident that, nonconducting substrate 2 enters within the device 3 of the electrical conductivity that is used to increase substrate, and become conductive substrates when leaving, the liquid 311 that increases because of electrical conductivity is present on the impact side 21 of substrate 2 or produces the electrical conductivity of described conductive substrates in the whole volume of substrate 2.Conductive substrates 2 enters spinning chamber 1 from the device 3 of the electrical conductivity that is used to increase substrate.
In spinning chamber 1, produce nanofiber by the effect of electric field power between spin electrode 11 and the colelctor electrode 12, and described nanofiber is deposited on the conductive substrates 2.After the nanofiber layer of deposition desired parameters, the conductive substrates 2 that has the nanofiber layer of deposition is left spinning chamber 1, and be directed to the device 4 of the electrical conductivity that reduces substrate 2, in illustrated embodiment, described device 4 comprises hothouse, remove the liquid of conduction in hothouse from the conductive substrates 2 of the nanofiber layer that has deposition, the conductive substrates 2 that has the nanofiber layer of deposition becomes nonconducting substrate of the nanofiber layer that has deposition by described hothouse.Carry out drying when removing a kind of in the possible method of conducting liquid and for example be a certain amount of air-flow that the conductive substrates 2 in the nanofiber layer that has deposition had uniform temperature and speed.The product of device 3 that leaving of obtaining subsequently is used to increase the electrical conductivity of substrate is the nonconducting substrates 2 that have the nanofiber layer of deposition.Also in spinning chamber, little by little carry out the reducing of electrical conductivity of substrate 2, and electrical conductivity is only reduced farthest after the depositing nano fiber.Look like best one at the such scheme shown in Fig. 1.
With steam and/or aerocolloidal form the liquid that electrical conductivity increases is delivered to substrate, and aerosol can be replaced by liquid stream from the nozzle of arranging along the width of substrate 2.Advantageously, the device that is used to transport the liquid 311 that the electrical conductivity of gaseous state increases is formed by the nozzle of arranging along the width of substrate 2.
Regulate the Magnification of the electrical conductivity of substrate 2 by the proal variation of substrate 2 or by the liquid 311 that transports a certain amount of electrical conductivity increase.
In cleaning device and/or drying device, remove the liquid 311 that electrical conductivity increases from substrate 2 in every way, for example, in appropriate solvent, remove described liquid 311 at least in part by cleaning, after cleaning, by heating with air and/or other gas and/or washing to remove the possible residue of the liquid 311 of solvents and electrical conductivity increase from substrate 2.In other embodiments, by using air and/or other gas heating and/or flushing and/or rinsing to remove the liquid 311 that electrical conductivity increases from substrate.By microwave and/or infrared ray and/or use hot-air and/or other hot gas to implement heating.
Reference numerals list
1 spinning chamber
11 spin electrodes
12 colelctor electrodes
The storage tank of 13 polymer solutions
14 polymer solutions
15 spinning spaces
2 substrates
The impact side of 21 substrates
3 are used to increase the device of the electrical conductivity of substrate
31,32 devices that are used for the liquid that electrical conductivity increases is delivered to substrate
The liquid that 311 electrical conductivity increase
4 are used to reduce the device of the electrical conductivity of substrate
5 carrying rollers
6 a pair of feed rollers
7 a pair of work beams
8 yardage rolls
Claims (17)
1. produce the method for nanofiber by the electrostatic spinning of polymer solution or melt, wherein, the nanofiber of generation is deposited in the substrate of the motion in the spinning chamber, it is characterized in that: before in entering spinning chamber (1), the electrical conductivity of substrate (2) increases.
2. method according to claim 1 is characterized in that: the electrical conductivity that increases substrate on the surface of the substrate (2) on the impact side (21) of substrate (2).
3. method according to claim 1 is characterized in that: the electrical conductivity that increases substrate in the whole volume of substrate.
4. according to each described method among the claim 1-3, it is characterized in that: after the depositing nano fiber, the electrical conductivity of substrate (2) is reduced.
5. method according to claim 4 is characterized in that: the substrate (2) at the nanofiber that has deposition is left spinning chamber (1) afterwards, and the electrical conductivity of substrate (2) is reduced.
6. according to each described method in the aforementioned claim, it is characterized in that: deliver to the increase that substrate (2) realizes the electrical conductivity of substrate (2) by the liquid (311) that electrical conductivity is increased.
7. method according to claim 6 is characterized in that: the form with gaseous state is delivered to substrate (2) with the liquid (311) that electrical conductivity increases.
8. according to claim 6 or 7 described methods, it is characterized in that: the form with liquid state is delivered to substrate (2) with the liquid (311) that electrical conductivity increases.
9. method according to claim 8 is characterized in that: transport liquid with aerocolloidal form.
10. according to each described method in the aforementioned claim, it is characterized in that: the liquid (311) that electrical conductivity increases is polar solvent.
11. according to each described method among the claim 1-10, it is characterized in that: the liquid (311) that electrical conductivity increases is salt solution.
12., it is characterized in that: the reducing of the electrical conductivity of the amount realization substrate (2) by the liquid (311) removing liquid (311) that electrical conductivity increases from substrate (2) or increase by the electrical conductivity that reduces in the substrate (2) at least according to each described method among the claim 4-11.
13. produce the device of nanofiber by the electrostatic spinning of polymer solution or melt, described device comprises spinning chamber, in described spinning chamber, the nanofiber that produces is deposited in the substrate, it is characterized in that: the device (3) that is used to increase the electrical conductivity of substrate (2) is arranged in spinning chamber (1) before on the direction of motion of substrate (2).
14. device according to claim 13 is characterized in that: the device (4) that is used to reduce the electrical conductivity of substrate (2) is arranged in spinning chamber (1) afterwards.
15. according to claim 13 or 14 described devices, it is characterized in that: the device (3) that is used to increase the electrical conductivity of substrate (2) comprises the device (31,32) that the liquid (311) that electrical conductivity is increased is delivered to substrate (2).
16. device according to claim 15 is characterized in that: be used to transport two side arrangement of the device (31,32) of the liquid (311) that electrical conductivity increases along substrate (2).
17. device according to claim 15 is characterized in that: the impact side that is used for the device (32) that the liquid (311) that electrical conductivity increases is delivered to substrate (2) is arranged in substrate (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CZ2005-702A CZ305244B6 (en) | 2005-11-10 | 2005-11-10 | Process for producing nanofibers by electrostatic spinning of solutions or melts of polymers and apparatus for making the same |
| CZPV2005-702 | 2005-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101305117A true CN101305117A (en) | 2008-11-12 |
Family
ID=37852303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800420124A Pending CN101305117A (en) | 2005-11-10 | 2006-11-02 | A method and device for production of nanofibres through electrostatic spinning of solutions or melts of polymers |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20080284050A1 (en) |
| JP (1) | JP2009515060A (en) |
| CN (1) | CN101305117A (en) |
| CA (1) | CA2626560A1 (en) |
| CZ (1) | CZ305244B6 (en) |
| WO (1) | WO2007054039A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586288B (en) * | 2009-07-06 | 2011-08-31 | 江苏泰灵生物科技有限公司 | Array multi-nozzle electrospinning device |
| CN102704193A (en) * | 2012-06-25 | 2012-10-03 | 威程(天津)科技有限公司 | Non-woven cloth production device for multiple solid pin electrode nano fiber |
| CN103451749A (en) * | 2012-05-30 | 2013-12-18 | 湖南博弈飞装备新材料研究所 | Continuous electrostatic spinning system and method for preparing fine fibers |
| CN103451754A (en) * | 2013-09-22 | 2013-12-18 | 北京化工大学 | Differential melt electro-blowing spinning device and technology for preparing nanofibers in batches |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7717975B2 (en) | 2005-02-16 | 2010-05-18 | Donaldson Company, Inc. | Reduced solidity web comprising fiber and fiber spacer or separation means |
| CN102814080A (en) | 2006-02-13 | 2012-12-12 | 唐纳森公司 | Web comprising fine fiber and reactive, adsorptive or absorptive particulate |
| US7988860B2 (en) | 2007-03-15 | 2011-08-02 | Donaldson Company Inc. | Superabsorbent-containing web that can act as a filter, absorbent, reactive layer or fuel fuse |
| EP2155934A2 (en) | 2007-05-30 | 2010-02-24 | Dow Global Technologies Inc. | High-output solvent-based electrospinning |
| CZ2007727A3 (en) * | 2007-10-18 | 2009-04-29 | Nanopeutics S. R. O. | Collecting electrode of a device for producing nanofibers by electrostatic spinning of polymer matrices and device comprising such collecting electrode |
| US7815427B2 (en) | 2007-11-20 | 2010-10-19 | Clarcor, Inc. | Apparatus and method for reducing solvent loss for electro-spinning of fine fibers |
| KR101637612B1 (en) | 2007-11-20 | 2016-07-07 | 클라코르 인코포레이션 | Preparing methode of filtration medias, and the filtration medias thereby |
| US7967588B2 (en) | 2007-11-20 | 2011-06-28 | Clarcor Inc. | Fine fiber electro-spinning equipment, filter media systems and methods |
| JP4941939B2 (en) * | 2007-12-11 | 2012-05-30 | パナソニック株式会社 | Nanofiber manufacturing apparatus and nanofiber manufacturing method |
| US20090156740A1 (en) | 2007-12-15 | 2009-06-18 | Annette Lechtenboehmer | Tire with component containing polymeric nanofiber |
| US8778254B2 (en) | 2008-06-24 | 2014-07-15 | Stellenbosch University | Method and apparatus for the production of fine fibres |
| US20100127434A1 (en) * | 2008-11-25 | 2010-05-27 | Rene Broos | Extruding organic polymers |
| SG10201605780QA (en) | 2009-03-19 | 2016-09-29 | Emd Millipore Corp | Removal of microorganisms from fluid samples using nanofiber filtration media |
| CZ308360B6 (en) * | 2009-08-06 | 2020-06-24 | Elmarco S.R.O. | Rotary spinning electrode |
| JP5368287B2 (en) * | 2009-12-14 | 2013-12-18 | パナソニック株式会社 | Nanofiber manufacturing apparatus and nanofiber manufacturing method |
| US20110210060A1 (en) | 2010-02-26 | 2011-09-01 | Clarcor Inc. | Expanded composite filter media including nanofiber matrix and method |
| CZ302873B6 (en) * | 2010-03-05 | 2011-12-28 | Šafár@Václav | Process for producing nanofibers by spinning polymeric solution in electrostatic field and apparatus for making the same |
| CN101857976B (en) * | 2010-05-19 | 2011-06-08 | 青岛大学 | Device for preparing nano fibers with ordered arrangement and cross structures |
| SG10201600617PA (en) | 2010-08-10 | 2016-11-29 | Emd Millipore Corp | Method for retrovirus removal |
| WO2012050682A2 (en) | 2010-09-30 | 2012-04-19 | Applied Materials, Inc. | Electrospinning for integrated separator for lithium-ion batteries |
| CZ303244B6 (en) | 2011-01-17 | 2012-06-13 | Elmarco S.R.O. | Carrier for oromucosal, especially sublingual application of physiologically active compounds |
| JP6219811B2 (en) | 2011-04-01 | 2017-10-25 | イー・エム・デイー・ミリポア・コーポレイシヨン | Nanofiber-containing composite structure |
| CZ303453B6 (en) | 2011-07-14 | 2012-09-19 | Elmarco S.R.O. | Cell culturing substrate and process for producing thereof |
| CN102704192A (en) * | 2012-06-25 | 2012-10-03 | 天津工业大学 | Production device for multi-roll solid-pin electrode nanofiber non-woven fabrics |
| KR101390532B1 (en) * | 2012-08-23 | 2014-04-30 | 성균관대학교산학협력단 | Apparatus for forming patterns |
| WO2014152796A2 (en) | 2013-03-14 | 2014-09-25 | Hemcon Medical Technologies, Inc. | Biocompatible and bioabsorbable derivatized chitosan compositions |
| KR102072698B1 (en) * | 2013-08-27 | 2020-03-02 | 주식회사 엘지화학 | Apparatus for manufacturing hollow fiber membrane |
| US9624605B2 (en) | 2013-08-29 | 2017-04-18 | Mahle International Gmbh | Filter material, filter element, and method and device for producing a filter material |
| US20160279550A1 (en) * | 2013-08-29 | 2016-09-29 | Mahle International Gmbh | Filter material, filter element, and a method and a device for producing a filter material |
| CN104005693B (en) * | 2014-06-11 | 2016-03-23 | 北京华夏英蓝科技发展有限公司 | A kind of embedded anti-haze is breathed freely the structure of tracery |
| CZ306536B6 (en) * | 2014-11-26 | 2017-03-01 | AUDACIO, s. r. o. | A device for producing submicron fibres and nanofibres in an electrostatic field |
| EP3283202A1 (en) | 2015-04-17 | 2018-02-21 | EMD Millipore Corporation | Method of purifying a biological materia of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode |
| CZ306923B6 (en) | 2016-10-06 | 2017-09-13 | Nafigate Corporation, A.S. | A method of depositing a layer of polymeric nanofibres prepared by electrostatic spinning of a polymer solution or melt into electrically non-conductive materials, and a multilayer composite comprising at least one layer of polymeric nanofibres prepared this way |
| JP6643526B1 (en) * | 2017-01-06 | 2020-02-12 | サビック グローバル テクノロジーズ ベスローテン フェンノートシャップ | Equipment for electrospinning liquid polymers into nano- or sub-micron scale fibers |
| CZ309078B6 (en) * | 2018-05-28 | 2022-01-19 | Contipro A.S. | Device and method of producing nano- and / or microfibrous layers with increased thickness uniformity |
| BR112020024944A2 (en) | 2018-06-08 | 2021-03-09 | Ascend Performance Materials Operations Llc | TUNNABLE NANOFIBER NON-WOVEN PRODUCTS |
| CN113677514A (en) | 2019-04-12 | 2021-11-19 | 奥升德功能材料运营有限公司 | Nonwoven multilayer structure with nanofiber layer |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493462A (en) * | 1962-07-06 | 1970-02-03 | Du Pont | Nonpatterned,nonwoven fabric |
| EP0162645A1 (en) * | 1984-05-11 | 1985-11-27 | Masami Harada | Carbon-fiber-covered material |
| US5296172A (en) * | 1992-07-31 | 1994-03-22 | E. I. Du Pont De Nemours And Company | Electrostatic field enhancing process and apparatus for improved web pinning |
| EP0845554B1 (en) * | 1993-08-17 | 2009-11-18 | Minnesota Mining And Manufacturing Company | Method of charging electret filter media |
| US5643524A (en) * | 1994-12-30 | 1997-07-01 | E. I. Du Pont De Nemours And Company | Corona charging of flash spun plexifilamentary film-fibril webs in poor charging environments |
| US6406657B1 (en) * | 1999-10-08 | 2002-06-18 | 3M Innovative Properties Company | Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid |
| US6685956B2 (en) * | 2001-05-16 | 2004-02-03 | The Research Foundation At State University Of New York | Biodegradable and/or bioabsorbable fibrous articles and methods for using the articles for medical applications |
| US6713011B2 (en) * | 2001-05-16 | 2004-03-30 | The Research Foundation At State University Of New York | Apparatus and methods for electrospinning polymeric fibers and membranes |
| CZ20032421A3 (en) * | 2003-09-08 | 2004-11-10 | Technická univerzita v Liberci | Process for producing nanofibers of polymer solution by electrostatic spinning and apparatus for making the same |
| KR100578764B1 (en) * | 2004-03-23 | 2006-05-11 | 김학용 | A bottom-up electrospinning devices, and nanofibers prepared by using the same |
-
2005
- 2005-11-10 CZ CZ2005-702A patent/CZ305244B6/en unknown
-
2006
- 2006-11-02 JP JP2008539217A patent/JP2009515060A/en active Pending
- 2006-11-02 CA CA002626560A patent/CA2626560A1/en not_active Abandoned
- 2006-11-02 CN CNA2006800420124A patent/CN101305117A/en active Pending
- 2006-11-02 US US12/093,143 patent/US20080284050A1/en not_active Abandoned
- 2006-11-02 WO PCT/CZ2006/000076 patent/WO2007054039A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586288B (en) * | 2009-07-06 | 2011-08-31 | 江苏泰灵生物科技有限公司 | Array multi-nozzle electrospinning device |
| CN103451749A (en) * | 2012-05-30 | 2013-12-18 | 湖南博弈飞装备新材料研究所 | Continuous electrostatic spinning system and method for preparing fine fibers |
| CN102704193A (en) * | 2012-06-25 | 2012-10-03 | 威程(天津)科技有限公司 | Non-woven cloth production device for multiple solid pin electrode nano fiber |
| CN103451754A (en) * | 2013-09-22 | 2013-12-18 | 北京化工大学 | Differential melt electro-blowing spinning device and technology for preparing nanofibers in batches |
Also Published As
| Publication number | Publication date |
|---|---|
| CZ305244B6 (en) | 2015-07-01 |
| US20080284050A1 (en) | 2008-11-20 |
| JP2009515060A (en) | 2009-04-09 |
| CZ2005702A3 (en) | 2007-06-27 |
| CA2626560A1 (en) | 2007-05-18 |
| WO2007054039A1 (en) | 2007-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101305117A (en) | A method and device for production of nanofibres through electrostatic spinning of solutions or melts of polymers | |
| Sun et al. | The effect of solvent dielectric properties on the collection of oriented electrospun fibers | |
| Teo et al. | Technological advances in electrospinning of nanofibers | |
| Varesano et al. | Multi‐jet nozzle electrospinning on textile substrates: observations on process and nanofibre mat deposition | |
| WO2008106903A2 (en) | Device for production of nanofibres and/or nanoparticles from solutions or melts of polymers in electrostatic field | |
| Stempien et al. | In-situ deposition of reduced graphene oxide layers on textile surfaces by the reactive inkjet printing technique and their use in supercapacitor applications | |
| CA2536595C (en) | Method of nanofibres production from a polymer solution using electrostatic spinning and a device for carrying out the method | |
| EP1637637B1 (en) | Method and apparatus of producing fibrous aggregate | |
| US20130316172A1 (en) | Carbon nanotube elongates and methods of making | |
| JP4948538B2 (en) | Improved electroblown fiber spinning method | |
| KR20120111661A (en) | Strechable conductive nano fiber, strechable fiber electrode using the same and method for producing the same | |
| CZ299537B6 (en) | Method of and apparatus for producing nanofibers from polymeric solution using electrostatic spinning | |
| CN102770589B (en) | Nanofiber manufacturing system and nanofiber manufacture method | |
| WO2014094694A1 (en) | Method for production of polymeric nanofibers by spinning of solution or melt of polymer in electric field, and a linear formation from polymeric nanofibers prepared by this method | |
| JP2005264353A (en) | Method for producing fiber assembly and apparatus for producing the same | |
| Nguyen et al. | Electrospinning of well-aligned fiber bundles using an End-point Control Assembly method | |
| US20210207291A1 (en) | Apparatus and process for uniform deposition of polymeric nanofibers on substrate | |
| JP2021500494A (en) | Electrospinning equipment and electrospinning method | |
| SalehHudin et al. | Simulation and experimental study of parameters in multiple-nozzle electrospinning: effects of nozzle arrangement on jet paths and fiber formation | |
| Amariei et al. | Electrospinning polyaniline for sensors | |
| JP4981747B2 (en) | Nanofiber manufacturing apparatus and manufacturing method | |
| CZ304124B6 (en) | Method of producing nanofibers by electrostatic spinning of a solution or melt of polymer and apparatus for making the same | |
| JP4897595B2 (en) | Nonwoven fabric manufacturing equipment | |
| Wu et al. | Oriented nanofibers by a newly modified electrospinning method | |
| CN107858774A (en) | A kind of method spinned in electrostatic field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |