CN204370058U - The device of the fluffy polymer nanofiber of quick preparation - Google Patents
The device of the fluffy polymer nanofiber of quick preparation Download PDFInfo
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- CN204370058U CN204370058U CN201420663303.7U CN201420663303U CN204370058U CN 204370058 U CN204370058 U CN 204370058U CN 201420663303 U CN201420663303 U CN 201420663303U CN 204370058 U CN204370058 U CN 204370058U
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Abstract
The utility model relates to the device of the fluffy polymer nanofiber of a kind of quick preparation, comprise electrostatic spinning apparatus, receiving system, also comprise heated air source and air amplifier, this heated air source is placed in the air entry side of this air amplifier, the end of electrostatic spinning nozzle is on the central shaft of the gas outlet of this air amplifier, and the distance between gas outlet is adjustable within the scope of 0-10cm; Distance between shower nozzle and receiver is adjustable between 0.5-3.0 rice.Utilize device of the present utility model to prepare the method for fluffy polymer nanofiber simple, convenient, be applicable to various polymer, and the fluffy fiber diameter of preparation is all at nanoscale.
Description
Technical field
The utility model relates to polymer nanofiber Material Field, particularly relates to a kind of device preparing fluffy polymer nanofiber.
Background technology
Because polymer nanofiber has the excellent performance such as heat-proof quality, strainability, absorbing property, energy-storage property, absorption property, make it in warming, environmental project, medical and health, Aero-Space, the field such as military protection and building will be widely used, and particularly the performance of fluffy nanofiber in heat-insulation and heat-preservation is particularly outstanding.Although patent application CN102206883B is disclosed a kind of preparation method of fluffy superfine fibers, the method has very large limitation, and process is loaded down with trivial details, poor for applicability, and prepared fibre diameter is comparatively thick, on micron order.In fact, the good method of fluffy polymer nanofiber is not also prepared at present fast.In this case, the utility model patent proposes a kind of attached wall enlarge-effect of gas by air amplifier, high-temperature hot air is made to concentrate on electrostatic spinning nozzle and EFI Around Jet fast, solvent in quick removal jet, makes electro spinning nano fiber rapid draing and deposition forms fluffy polymer nanofiber group or nanofiber flocculus on the collector.
Summary of the invention
The utility model provides the device of the fluffy polymer nanofiber of a kind of quick preparation, utilizes this device to prepare the method for fluffy polymer nanofiber simple, convenient, be applicable to various polymer, and the fluffy fiber diameter of preparation is all at nanoscale.
The device of the fluffy polymer nanofiber of quick preparation of the present utility model, comprise electrostatic spinning apparatus, receiving system, heated air source and air amplifier, this heated air source is placed in the air entry side of this air amplifier, the end of electrostatic spinning nozzle is on the central shaft of the gas outlet of this air amplifier, and the distance between gas outlet is adjustable within the scope of 0-10cm; Distance between shower nozzle and receiver is adjustable between 0.5-3.0 rice.
Preferably, " air inducing " entrance slit of described air amplifier is 0-2.0mm.
Preferably, the electrostatic spinning nozzle of described electrostatic spinning apparatus is the needle-like hair tubule of stainless steel, and the quantity of needle-like hair tubule is that 1-10 props up.
Preferably, described receiving system is stainless (steel) wire.
Preferably, described heated air source is heat gun.
Utilize above device, fast the method for the fluffy polymer nanofiber of preparation, comprise the following steps:
A. electrostatic spinning solution is configured;
B. hot blast is opened, according to the temperature of the character setting hot blast of different polymer;
C. open air amplifier, make hot blast pass through air amplifier;
D. electrostatic spinning is started;
E. fluffy nanofiber is collected.
Preferably, described is 40-120 DEG C by the hot air temperature after heating; During electrostatic spinning, the field intensity of high-voltage electrostatic field is 10-200kv/m.
Preferably, polymer solution inputs electrospinning spinnerets by plastic tube, and input power is gear pump, air pressure or hydraulic pressure.
The receive mode of described receiving system is dynamic or static.
Described polymer comprises polyacrylonitrile, polyimides, nylon, aromatic polyamides, polymethyl methacrylate, polyurethane, polyvinyl alcohol, cellulose acetate, PLA, polyvinyl butyral resin, linearly poly-phenolic resins.
The utility model prepares the device of fluffy polymer nanofiber fast by the attached wall enlarge-effect of the gas of air amplifier, high-temperature hot air is made to concentrate on electrostatic spinning nozzle and EFI Around Jet fast, solvent in quick removal jet, between the polymer nanofiber formed without any adhesion, make electro spinning nano fiber rapid draing and deposition forms fluffy polymer nanofiber group or nanofiber flocculus etc. on the reception device.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of description, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model prepares the device of fluffy polymer nanofiber fast;
Fig. 2 A and Fig. 2 B is the SEM figure of fluffy polyacrylonitrile (PAN) fiber prepared by the utility model embodiment 1;
Fig. 3 A and Fig. 3 B is the SEM figure of fluffy polyimides (PI) fiber prepared by the utility model embodiment 2.
Description of reference numerals: 1-electrostatic spinning nozzle; 2-receiving system; 3-heated air source; 4-air amplifier; 41-air entry; The central shaft of 42-gas outlet; 43-" air inducing " entrance slit; Distance between 44-electrostatic spinning nozzle and gas outlet; The fluffy nanofiber of 5-; 10-transferring polymer solution line.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with preferred embodiment, to according to its detailed description of the invention of device of the fluffy polymer nanofiber of quick preparation that the utility model proposes, structure, preparation method, step, feature and effect thereof, be described in detail as follows.
As shown in Figure 1, the structural representation of the device of fluffy polymer nanofiber is prepared fast for the utility model, comprise electrostatic spinning apparatus, receiving system 2, heated air source 3 and air amplifier 4, this heated air source 3 is placed in the air entry side 41 of this air amplifier 4, the end of electrostatic spinning nozzle 1 is on the central shaft 42 of the gas outlet of this air amplifier, and the distance between gas outlet is adjustable within the scope of 0-10cm; Distance between shower nozzle and receiver is adjustable between 0.5-3.0 rice.
In one embodiment, " air inducing " entrance slit 43 of air amplifier 4 is 0-2.0mm.
In one embodiment, the electrostatic spinning nozzle of electrostatic spinning apparatus is the needle-like hair tubule of stainless steel, and the quantity of needle-like hair tubule is that 1-10 props up.
Embodiment 1:
In the present embodiment, heated air source adopts heat gun, heating wire temperature is set to 600 DEG C, heated air temperature reaches 120 DEG C, air amplifier admission pressure is 0.1MPa, and electrostatic spinning mode is single needle electrostatic spinning, connects high-voltage power cathode, voltage is 15KV, and receiving system is static stainless (steel) wire.
Concrete preparation process is as follows:
Take the PAN that 10g inherent viscosity is 2.0dl/g, add 56.6g N ' N-dimethylacetylamide (DMAC), polyacrylonitrile solution mass concentration is made to be about 15%, add the softex kw (DEMAB) of 0.2%, increase the electric conductivity of solution, form the solution of transparent and homogeneous adopt mechanical agitation 2hr at 80 DEG C of temperature after, then filter stand-by with 500 order nylon leaching nets.Open heat gun, arranging hot-air gun heating wire temperature is 600 DEG C, and heated air temperature reaches 120 DEG C, and open air amplifier, adjustment admission pressure is 0.1MPa, and ready PAN solution is become nanofiber by the mode electrospinning of single needle electrostatic spinning.Package unit is installed as Fig. 1.Electrostatic spinning voltage is 12KV, and receiver is stainless (steel) wire, and distance spinning needle point 500mm, finally obtains the fluffy nanofiber group of PAN, and Fig. 2 A and Fig. 2 B is the stereoscan photograph of the fluffy superfine fibre prepared with PAN.
Embodiment 2:
In the present embodiment, heated air source adopts heat gun, heating wire temperature is set to 200 DEG C, heated air temperature reaches 40 DEG C, air amplifier admission pressure is 0.1MPa, and electrostatic spinning mode is spininess electrostatic spinning, connects high-voltage power cathode, voltage is 15KV, and receiving system is the stainless steel guipure of running continuously
Concrete preparation process is as follows:
The concentration taking from synthesis is 20%, inherent viscosity is that the PAA original solution 50g of 1.0dl/g adds the mass concentration that 5.6g acetone makes solution total and is about 18%, add the DEMAB of 0.2%, at 0 DEG C, after mechanical agitation 2hr, form the solution of transparent and homogeneous, then filter stand-by with 500 order nylon leaching nets.Open heat gun, arranging hot-air gun heating wire temperature is 200 DEG C, and heated air temperature reaches 40 DEG C, and open air amplifier, adjustment admission pressure is 0.1MPa, and ready PAA solution is become nanofiber by the mode electrospinning of single needle electrostatic spinning.Package unit is installed as Fig. 1.Electrostatic spinning voltage is 15 KV, and receiver is stainless (steel) wire, and distance spinning needle point 3000mm, finally obtain the fluffy nanofiber flocculus of PAA, flocculus obtains the fluffy nanofiber flocculus of polyimides (PI) after imidization.Fig. 3 A and Fig. 3 B is the stereoscan photograph of the fluffy nanofiber of PI prepared with PAA.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. prepare the device of fluffy polymer nanofiber fast for one kind, comprise electrostatic spinning apparatus, receiving system, characterized by further comprising heated air source and air amplifier, this heated air source is placed in the air entry side of this air amplifier, the end of electrostatic spinning nozzle is on the central shaft of the gas outlet of this air amplifier, and the distance between gas outlet is adjustable within the scope of 0-10cm; Distance between shower nozzle and receiver is adjustable between 0.5-3.0 rice.
2. the device of the fluffy polymer nanofiber of preparation fast as claimed in claim 1, is characterized in that " air inducing " entrance slit of described air amplifier is 0-2.0mm.
3. the device of the fluffy polymer nanofiber of preparation fast as claimed in claim 1, it is characterized in that the electrostatic spinning nozzle of described electrostatic spinning apparatus is the needle-like hair tubule of stainless steel, the quantity of needle-like hair tubule is that 1-10 props up.
4. the device of the fluffy polymer nanofiber of preparation fast as claimed in claim 1, is characterized in that described receiving system is stainless (steel) wire.
5. the device of the fluffy polymer nanofiber of preparation fast as claimed in claim 1, is characterized in that described heated air source is heat gun.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663303.7U CN204370058U (en) | 2014-11-07 | 2014-11-07 | The device of the fluffy polymer nanofiber of quick preparation |
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| CN201420663303.7U CN204370058U (en) | 2014-11-07 | 2014-11-07 | The device of the fluffy polymer nanofiber of quick preparation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372422A (en) * | 2014-11-07 | 2015-02-25 | 江西先材纳米纤维科技有限公司 | Device and method for quickly manufacturing fluffy polymer nano-fibers |
| CN107740198A (en) * | 2017-09-08 | 2018-02-27 | 厦门当盛新材料有限公司 | A kind of flash spinning equipment and its spinning process |
-
2014
- 2014-11-07 CN CN201420663303.7U patent/CN204370058U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372422A (en) * | 2014-11-07 | 2015-02-25 | 江西先材纳米纤维科技有限公司 | Device and method for quickly manufacturing fluffy polymer nano-fibers |
| CN107740198A (en) * | 2017-09-08 | 2018-02-27 | 厦门当盛新材料有限公司 | A kind of flash spinning equipment and its spinning process |
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