CN202273000U - Device for collecting oriented nano-fibers through parallel metal plates - Google Patents
Device for collecting oriented nano-fibers through parallel metal plates Download PDFInfo
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- CN202273000U CN202273000U CN2011202337717U CN201120233771U CN202273000U CN 202273000 U CN202273000 U CN 202273000U CN 2011202337717 U CN2011202337717 U CN 2011202337717U CN 201120233771 U CN201120233771 U CN 201120233771U CN 202273000 U CN202273000 U CN 202273000U
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Abstract
The utility model relates to a device for collecting oriented nano-fibers through parallel metal plates. The device comprises a pedestal fixing device, two metal plates and a negative electrode high-voltage output device, wherein the two metal plates are placed longitudinally and arranged in parallel, are arranged on the pedestal fixing device which is made of an insulating material and are connected through an electric wire; and the electric wire is connected with the negative electrode high-voltage output device. According to the device, the two metal plates which are arranged in parallel are used as a collection device for electrospun nano-fibers; the device is simple and is easy to operate; the collected nano-fibers have higher oriented degree and higher yield; and continuous production of the electrospun oriented fibers can be realized.
Description
Technical field
The utility model relates to the electrostatic spinning field, particularly relates to a kind of parallel metal sheet and collects the oriented nanofibers device.
Background technology
In recent years, because static spins easy to operately, raw material sources are extensive, at room temperature spinning; And the electrostatic spinning nano fiber fineness is thin, and porosity is high, and surface area is big, and applied range can be used on filtering material, sensor, organizational project, aspects such as medicament slow release.Therefore electrostatic spinning nano fiber has received more and more researchers' concern.Electrostatic spinning be with on polymer solution or the melt band several thousand to volt high-pressure electrostatics up to ten thousand, charged drop is accelerated at the Taylor vertex of a cone under the electric field force effect, when electric field force was enough big, the polymer drop can overcome surface tension and form and spray thread.The refinement that under effects such as electric field force, viscous resistance, surface tension, is stretched of charged polymer jet, simultaneously charged jet in electric field owing to existing surface charge to bend.Thread is solvent evaporation or curing in course of injection, finally drops on the receiving system, forms the nanofiber mats of similar nonwoven fabric.
Up to the present, most of electrostatic spinning nano fibers are to collect with the form of nonwoven fabric, thus its range of application just compare less, can only be as filtering material, organizational project, coated film etc.Yet we know from traditional fiber and textile industry, continuous single nanofiber and vertically the bundles of nanofibers of orientation have more widely and use.But the bundles of nanofibers or the single nanofiber that utilize electro-spinning to get orientations all are very difficult, because spin in the process at static, the motion of polymer jet is very complicated, three-dimensional " whip is moving ", and the motion state of non-rectilinear.Therefore; Domestic and international many researchers have two kinds making great efforts the method that research makes oriented nanofibers: (1) utilizes the metal roller gathering-device of rotation at a high speed; When drum rotation speed reaches 4000rpm or above speed, just can collect the relatively nanofiber of orientations.But the fiber that utilizes this method to collect has just obtained orientation to a certain extent, and after the nanofiber of collecting reached certain thickness, the degree of orientation of the nanofiber that regathers was just very low.(2) utilize round turntable with sharp edges or framework as gathering-device, the degree of orientation of the nanofiber of collecting increases, but the output of the nanofiber of collecting is low-down.So up to the present, also do not produce continuous single nanofiber long filament, and the output of oriented nanofibers is relatively very low.
Summary of the invention
The utility model technical problem to be solved provides a kind of parallel metal sheet and collects the oriented nanofibers device, and the degree of orientation that solves oriented nanofibers in the prior art is not high, and the problem that yields poorly.
The utility model solves the technical scheme that its technical problem adopted: provide a kind of parallel metal sheet to collect the oriented nanofibers device; Comprise base fixture, two metallic plates and the high pressure output device of negative pole; Described two metallic plates are vertically placed and are arranged in parallel; Be installed on the base fixture of processing by insulating materials, and link to each other through electric wire; Described electric wire links to each other with the high pressure output device of described negative pole.
Described two metallic plates big or small identical.
The front end of described two metallic plates is positioned on the same vertical plane.
The negative pole high pressure range of the high pressure output device output of described negative pole is 0～10000V.
Described insulating materials is lucite or plastics.
Beneficial effect
Owing to adopted above-mentioned technical scheme; The utility model compared with prior art; Have following advantage and good effect: the utility model adopts the gathering-device of two metallic plates that are arranged in parallel as electrostatic spinning nano fiber; Two metallic plates connect the negative pole high pressure, have increased the electrical potential difference between positive extra-high voltage and the metallic plate.The metallic plate that is arranged in parallel can form a capacitor, and nanofiber can ride between two metallic plates like this, is arranged in parallel along the direction vertical with metallic plate.This device is simple to operation, and the nanofiber degree of orientation of collecting is than higher, and PR is bigger, can realize that static spins the continuous production of oriented nanofibers.
Description of drawings
Fig. 1 is the structural representation that parallel metal sheet is collected the oriented nanofibers device;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 utilizes parallel metal sheet to collect the sketch map that the oriented nanofibers device carries out electrostatic spinning.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The embodiment of the utility model relates to a kind of parallel metal sheet and collects the oriented nanofibers device, and is as depicted in figs. 1 and 2, comprises base fixture 3, two metallic plates 1 and the high pressure output devices 4 of negative pole.Described two metallic plates 1 are vertically placed and are arranged in parallel, and are installed on the base fixture of being processed by insulating materials 3, and link to each other through electric wire 2; Described electric wire 2 links to each other with the high pressure output device 4 of described negative pole, so can increase the electrical potential difference between positive extra-high voltage and the metallic plate, and nanofiber all is stretched on the metallic plate 1.Because two metallic plates 1 are arranged in parallel, after energize, can form an electric capacity, electrostatic spinning nano fiber just has been stretched between two metallic plates 1 like this, rides between two metallic plates 1, along being arranged in parallel with metallic plate 1 vertical direction.The height of two metallic plates that are arranged in parallel 1, length and width are identical, and the front end of two metallic plates 1 is on same horizontal plane, and the position of promptly placing is equal, so can guarantee the collection of oriented nanofibers.The base fixture 3 of two metallic plates 1 adopts insulating materials to process; As adopt non-conductive materials such as lucite or plastics to process; Guarantee can not exert an influence to high voltage electric field; Make static spin jet and can not be stretched near the base, thereby on base fixture 3, can not collect the part nanofiber that is not orientation, so guaranteed the output and the degree of orientation of oriented nanofibers.The high pressure output device 4 of described negative pole can be exported the negative pole high pressure of 0～10kV.
Described parallel metal sheet collect oriented nanofibers device two metallic plates 1 and syringe needle 6 of injection device 5 when carrying out electrostatic spinning be parallel side by side, as shown in Figure 3, promptly syringe needle 6 can not vertically be placed on the top of parallel metal sheet 1.When syringe needle 6 vertically was placed on metallic plate 1 top if this is, drop can drip brokenly fibrofelt because the effect of gravity can drip down.
Further describe in the face of the method for using parallel metal sheet cylinder gathering-device to carry out electrostatic spinning down; As shown in Figure 3; May further comprise the steps: holding polymer solution in the needle tubing of (1) injection device 5, injection device 5 is placed on the syringe pump, and syringe needle 6 connects positive extra-high voltage 7; Regulate the height of syringe pump, make syringe needle 6 be in the centre position of two metallic plates 1, and make syringe needle 6 and two metallic plates 1 parallel side by side; (2) connect two metallic plates 1 with electric wire 2, and link to each other with the high pressure output device 4 of negative pole, two metallic plates 1 are placed on the right of injection device 5.(3) open the positive extra-high voltage 7 and the high pressure output device 4 of the negative pole that is connected metallic plate 1 that connects syringe needle 6.(4) jet is stretched between two metallic plates 1, along being arranged in parallel with metallic plate 1 vertical direction, will collect the nanofiber 8 of orientations between the metallic plate 1.
Adopt polyvinyl alcohol (PVA) solution to carry out spinning below.Spinning solution injects after the syringe, is placed on the syringe pump, regulates the flow velocity of spinning solution, and syringe needle is connected upward positive extra-high voltage.Place two metallic plates, make metallic plate parallel, utilize a wire that two metallic plates that are arranged in parallel are coupled together, and connect the negative pole high pressure with syringe needle.The voltage-regulation of positive extremely high tension generator is arrived 15kV, and the voltage-regulation of negative pole high pressure generator arrives-5kV, receiving range (being the distance of syringe needle apart from the metallic plate front end) 20cm.The diameter of the oriented nanofibers that produces is about 250nm.
Claims (5)
1. a parallel metal sheet is collected the oriented nanofibers device; Comprise base fixture (3), two metallic plates (1) and the high pressure output device of negative pole (4); It is characterized in that; Described two metallic plates (1) are vertically placed and are arranged in parallel, and are installed on the base fixture of being processed by insulating materials (3), and link to each other through electric wire (2); Described electric wire (2) links to each other with the high pressure output device of described negative pole (4).
2. parallel metal sheet according to claim 1 is collected the oriented nanofibers device, it is characterized in that described two metallic plates (1) big or small identical.
3. parallel metal sheet according to claim 2 is collected the oriented nanofibers device, it is characterized in that the front end of described two metallic plates (1) is positioned on the same vertical plane.
4. parallel metal sheet according to claim 1 is collected the oriented nanofibers device, it is characterized in that, the negative pole high pressure range of the high pressure output device of described negative pole (4) output is 0～10000V.
5. parallel metal sheet according to claim 1 is collected the oriented nanofibers device, it is characterized in that described insulating materials is lucite or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202337717U CN202273000U (en) | 2011-07-05 | 2011-07-05 | Device for collecting oriented nano-fibers through parallel metal plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202337717U CN202273000U (en) | 2011-07-05 | 2011-07-05 | Device for collecting oriented nano-fibers through parallel metal plates |
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| Publication Number | Publication Date |
|---|---|
| CN202273000U true CN202273000U (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202337717U Expired - Fee Related CN202273000U (en) | 2011-07-05 | 2011-07-05 | Device for collecting oriented nano-fibers through parallel metal plates |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234848A (en) * | 2011-07-05 | 2011-11-09 | 东华大学 | Device and method for collecting oriented nano fibers by using parallel metal plates |
| CN103173879A (en) * | 2013-04-01 | 2013-06-26 | 北京化工大学 | Vertical type flow water bath collection method of one-way arrayed electrostatic spinning nanometer early growth fibers and device thereof |
| CN114875498A (en) * | 2022-05-11 | 2022-08-09 | 天津工业大学 | Modularization electrostatic spinning device |
| CN115652608A (en) * | 2022-10-08 | 2023-01-31 | 衢州学院 | High-voltage electric field system for oriented arrangement of nano biomass fibers |
-
2011
- 2011-07-05 CN CN2011202337717U patent/CN202273000U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234848A (en) * | 2011-07-05 | 2011-11-09 | 东华大学 | Device and method for collecting oriented nano fibers by using parallel metal plates |
| CN103173879A (en) * | 2013-04-01 | 2013-06-26 | 北京化工大学 | Vertical type flow water bath collection method of one-way arrayed electrostatic spinning nanometer early growth fibers and device thereof |
| CN114875498A (en) * | 2022-05-11 | 2022-08-09 | 天津工业大学 | Modularization electrostatic spinning device |
| CN115652608A (en) * | 2022-10-08 | 2023-01-31 | 衢州学院 | High-voltage electric field system for oriented arrangement of nano biomass fibers |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20160705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |