CN1776033A - Composite nano fiber endless tow preparing apparatus and its preparing method - Google Patents
Composite nano fiber endless tow preparing apparatus and its preparing method Download PDFInfo
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- CN1776033A CN1776033A CN200510095384.0A CN200510095384A CN1776033A CN 1776033 A CN1776033 A CN 1776033A CN 200510095384 A CN200510095384 A CN 200510095384A CN 1776033 A CN1776033 A CN 1776033A
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- shower nozzle
- nano fiber
- endless tow
- electrospinning shower
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- 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
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
Abstract
A device and method for preparing compound nano fiber endless tow, which contains feeding material liquid to pair of electric spinning nozzle on frame, each nozzle respectively applied with high dc voltage with opposite polarity, each pair of nozzle jetting out nano fiber with opposite electric charge, said nano fiber attracting and colliding each other to form compound nano fiber, then forming nano fiber endless tow after drawing and stretching, the first opposite set pair of electric spinning nozzle jetted compound nano fiber endless tow is stretched down and used as acceptor which covered by the nano fiber jetted by second pair of nozzle an d forming two layers of compound nano fiber endless tow after drawing and stretching, in turn to get multilayer compound nano fiber endless tow after drawing and stretching by godet roller.
Description
Technical field
The present invention relates to a kind of composite nano fiber endless tow preparation method, belong to the technical field of special fibre preparation.
Background technology
Along with the development of society and the raising of people's living standard, fiber industry also is faced with great challenge, single fiber can not satisfy people to the requirement of multiple function, so begin to occur core-skin type, sandwich type, parallel type, fabric of island-in-sea type and other various types of composite fibres.United States Patent (USP) (US 4,717,325) has designed a composite fiber spinning plate, and the molten component polymer is drawn from extruder, and the spinneret orifice of process composite fiber spinning plate obtains multilayer composite fiber.
Electrostatic spinning is to make a kind of effective ways of polymer nanofiber by apply external electric field in polymer solution, is subjected in recent years especially paying attention to.Utilize low-density, high porosity and the big specific area of electro spinning nano fiber, not only can make the high efficiency filter material, and have wide application prospects in fields such as biomedical material, chemical sensor, protective materials, nano composite materials.
The size of electro spinning nano fiber is at nanometer or submicron order, because fiber has like charges and repels mutually, the fiber random obtains nano fiber non-woven fabric in the electrospinning process.And the situation that usually exists fiber to scatter and disappear is so unsettled situation can occur inevitably.
It is a challenge that electrospinning prepares the oriented nanofibers endless tow.The nanofiber of electrospinning shower nozzle ejection is accepted to obtain the nano fiber endless tow of a small amount of orientation with the rotary drum of rotation at a high speed.Someone is deposited on the nanofiber of electrospinning shower nozzle ejection on the water surface, by to drawing under water, extract out, and reels and obtains the oriented yarn bundle.The somebody is deposited on the nanofiber of electrospinning shower nozzle ejection on the stainless steel rotary drum, and by gathering, traction, and coiling obtains the oriented yarn bundle.
Therefore, be necessary to invent a kind of method that more effectively prepares the composite nano fiber long silk.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of composite nano fiber endless tow preparing apparatus and preparation method thereof, these apparatus and method can be produced composite nano fiber endless tow simply, efficiently.
Technical scheme: composite nano fiber endless tow preparing apparatus of the present invention, it is characterized in that this device is made up of, support, fixed bar, base, godet roller spinning nozzle some, in opposite directions many of two row spouts to the electrospinning shower nozzle to being fixed on the support, every pair of electrospinning shower nozzle spout can be on same horizontal plane or different level, support links to each other with base by the fixed bar of vertical base, godet roller acutangulates between plane, support place and the fixed bar the centre below support.Spacing is 2-50cm between the same row electrospinning of the support shower nozzle; Between right two shower nozzles of two row spouts electrospinning shower nozzle in opposite directions at a distance of 10-100cm.Angulation is 0-90 ° between plane, support place and the fixed bar.
The step of the concrete preparation of composite nano fiber endless tow preparation method of the present invention is as follows:
1) the electrospinning shower nozzle that feed liquid is flowed on the support is right;
2) each right shower nozzle of spout electrospinning shower nozzle in opposite directions applies the dc high voltage of opposite polarity respectively;
3) every pair of spout ejection nanofiber of oppositely charged respectively in opposite directions, and attract each other, collide the formation composite nano fiber aloft, or be deposited on the macromolecular fibre long filament as acceptor that draws downwards along the support plane between two right shower nozzles of electrospinning shower nozzle, after traction, stretching, form composite nano fiber endless tow;
4) composite nano fiber endless tow of first pair of electrospinning shower nozzle spinning formation of placing in opposite directions stretches downwards, and aloft meet as acceptor and the oppositely charged respectively of second pair of electrospinning shower nozzle ejection and the nanofiber that attracts each other, nanofiber parcel by second pair of electrospinning shower nozzle ejection forms two-layer composite nano fiber endless tow after traction, stretching;
5) and the like, the endless tow that the upper strata forms stretches downwards and as acceptor and lower floor's electrospinning shower nozzle the nanofiber that spinning forms is aloft met, by the nanofiber parcel of lower floor's electrospinning shower nozzle to ejection, after traction, stretching, form composite nano fiber endless tow, after godet roller obtains the MULTILAYER COMPOSITE nano fiber endless tow after drawing, stretching.
Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage 3KV-200KV of opposite polarity respectively.Feed liquid is the mixture system of Polymer Solution or the Polymer Solution that contains additive or macromolecule and inorganic particulate.Macromolecule is polyolefin, polyalkenyl halides, polysiloxanes, polyethers, polyamide, polyester, Merlon, polyurethane, epoxy resin, polyacrylonitrile, polyacrylic acid family macromolecule, polyacrylate, polyphenylene oxide, poly-acid anhydrides, poly--a-amino acid, polyphenylene sulfide, or two or more blend wherein; Or a kind of or their derivative in the cellulose, cellulose derivative, glucan, silk-fibroin, shitosan, chitosan derivatives, hyaluronic acid, derivatives of hyaluronic acids, collagen, carrageenan, mosanom, calcium alginate, chondroitin sulfate, gelatin, agar, glucan, fibrin, fibrinogen, keratoprotein, casein, albumin, elastin laminin or two or more blend wherein; Or biology can absorb synthetic high polymer poly--L-lactic acid, poly--(D, L)-and the copolymer of a kind of or following at least two kinds of monomers in lactic acid, polyglycolic acid, polycaprolactone, poly-butyrolactone, poly-valerolactone, polyester dioxane, poly-acid anhydrides, poly--a-amino acid: L-lactic acid, D, L-lactic acid, glycolic acid, 3-hydroxybutyric acid, 3-hydroxypentanoic acid, caprolactone, butyrolactone, valerolactone, amino acid, or two or more blend wherein.Inorganic particulate is nano antibacterial agent, catalyst, CNT (carbon nano-tube).
Additive is antibiotic, immunodepressant, antiseptic, hormone, vitamin, amino acid, polypeptide, protein, enzyme, growth factor, antibacterials, anaesthetic, haemostatic medicament, hormone, analgesic, antihypertensive drugs, antineoplastic.
Beneficial effect:
The present invention compared with prior art has following advantage:
(1) a kind of composite nano fiber endless tow preparation method of the present invention, on the relative electrospinning shower nozzle of spout, apply the opposite polarity dc high voltage respectively, the nanofiber of the oppositely charged that the electrospinning shower nozzle produces aloft attracts each other, assembles, collides, make nanofiber with electric-charge-dissipating, avoided effectively that nanofiber is skyborne to disperse and lose, improve production efficiency, and can not use the metal recipient of earth connection.
(2) the present invention can spray by the instability that the angle of regulating support plane and ground has avoided various disturbances to cause, handled easily is enhanced productivity greatly again.
(3) the present invention can prepare composite nano fiber endless tow simple to operate, efficiently.
(4) the present invention fails different high polymeric solutions to the relative electrospinning shower nozzle of spout, or contains the Polymer Solution of additive, can prepare the multicomponent composite nano fiber endless tow efficiently.
(5) adopt and manyly the electrospinning shower nozzle to be had fibrous, nanostructured to the composite nano fiber endless tow of preparation can control, tow is thick, the characteristics that mechanical property is good.
(6) draw downwards along the support plane between two right shower nozzles of electrospinning shower nozzle as the macromolecular fibre long filament of acceptor on the nano fiber endless tow of string of deposits opposite charges, nanofiber does not have and disperses, can further improve the mechanical property of endless tow, forming the top layer is that nanofiber layer, sandwich layer are common macromolecular fibres.
(7) the present invention prepares nano fiber endless tow and electron spray with electrospinning and prepares nano particle and combine, and can make the composite nano fiber endless tow that contains the electron spray nano particle.
(8) composite nano fiber endless tow of the present invention can be used for tissue engineering bracket, textiles etc.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention.
Fig. 2 is a fundamental diagram of the present invention.
Have among the above figure: the electrospinning shower nozzle to 1, godet roller to 2, support 3, fixed bar 4, base 5.
Fig. 3 is the apparent photo of PLLA of the present invention (poly--1-lactic acid) nano fiber endless tow.
Fig. 4 is the apparent photo of PLLA of the present invention (poly--1-lactic acid) composite nano fiber endless tow.
Fig. 5 is PLLA of the present invention (poly--1-lactic acid) composite nano fiber endless tow scanning electron microscope diagram sheet.
Fig. 6 is PU/PVDF of the present invention (polyurethane/Kynoar) composite nano fiber endless tow scanning electron microscope diagram sheet.
Fig. 7 is PAN of the present invention (polyacrylonitrile) composite nano fiber endless tow scanning electron microscope diagram sheet.
Fig. 8 is PVDF of the present invention (Kynoar) composite nano fiber endless tow scanning electron microscope diagram sheet.
The specific embodiment
Composite nano fiber endless tow preparing apparatus by some to spinning nozzle to 1, godet roller to 2, support 3, fixed bar 4, base 5 form, in opposite directions many are fixed on the support 31 the electrospinning shower nozzle two row spouts, every pair of electrospinning shower nozzle spout can be on same horizontal plane or different level, support 3 links to each other with base 5 by the fixed bar 4 of vertical base, godet roller acutangulates between support plane, 3 place and the fixed bar 42 centres below support 3.
The step of concrete preparation is as follows:
6) feed liquid is flowed to electrospinning shower nozzle on the support 3 to 1;
7) spout electrospinning shower nozzle in opposite directions applies the dc high voltage of opposite polarity respectively to each shower nozzle of 1;
8) every pair of spout ejection nanofiber of oppositely charged respectively in opposite directions, and attract each other, collide the formation composite nano fiber aloft is through traction, back formation composite nano fiber endless tow stretches;
9) composite nano fiber endless tow of first pair of electrospinning shower nozzle spinning formation of placing in opposite directions stretches downwards, and aloft meet as acceptor and the oppositely charged respectively of second pair of electrospinning shower nozzle ejection and the nanofiber that attracts each other, nanofiber parcel by second pair of electrospinning shower nozzle ejection forms two-layer composite nano fiber endless tow after traction, stretching;
10) and the like, the endless tow that the upper strata forms stretches downwards and as acceptor and lower floor's electrospinning shower nozzle the nanofiber that spinning forms is aloft met, by the nanofiber parcel of lower floor's electrospinning shower nozzle to ejection, after traction, stretching, form composite nano fiber endless tow, after godet roller obtains the MULTILAYER COMPOSITE nano fiber endless tow after drawing, stretch 2.
Composite nano fiber endless tow preparation method's concrete steps or: 1) feed liquid is flowed to electrospinning shower nozzle on the support 3 to 1; 2) spout electrospinning shower nozzle in opposite directions applies the dc high voltage of opposite polarity respectively to each shower nozzle of 1; 3) every pair of spout ejection nanofiber of oppositely charged respectively in opposite directions, and aloft attract each other and be deposited on the macromolecular fibre long filament as acceptor that between the electrospinning shower nozzle is to two shower nozzles of 1, draws downwards along the support plane, through traction, back formation composite nano fiber endless tow stretches.
Spacing is 2-50cm between the support 3 same row electrospinning shower nozzles 1; Two row spouts electrospinning shower nozzle in opposite directions between two shower nozzles of 1 at a distance of 10-100cm.Angulation is 0-90 ° between support plane, 3 place and the fixed bar 4.Two row spouts electrospinning shower nozzle in opposite directions is to the 1 dc high voltage 5KV-200KV that applies opposite polarity respectively.
Feed liquid is the mixture system of Polymer Solution or the Polymer Solution that contains additive or macromolecule and inorganic particulate.Macromolecule is polyolefin, polyalkenyl halides, polysiloxanes, polyethers, polyamide, polyester, Merlon, polyurethane, epoxy resin, polyacrylonitrile, polyacrylic acid family macromolecule, polyacrylate, polyphenylene oxide, poly-acid anhydrides, poly--a-amino acid, polyphenylene sulfide, or two or more blend wherein; Or a kind of or their derivative in the cellulose, cellulose derivative, glucan, silk-fibroin, shitosan, chitosan derivatives, hyaluronic acid, derivatives of hyaluronic acids, collagen, carrageenan, mosanom, calcium alginate, chondroitin sulfate, gelatin, agar, glucan, fibrin, fibrinogen, keratoprotein, casein, albumin, elastin laminin or two or more blend wherein; Or biology can absorb synthetic high polymer poly--L-lactic acid, poly--(D, L)-and the copolymer of a kind of or following at least two kinds of monomers in lactic acid, polyglycolic acid, polycaprolactone, poly-butyrolactone, poly-valerolactone, polyester dioxane, poly-acid anhydrides, poly--a-amino acid: L-lactic acid, D, L-lactic acid, glycolic acid, 3-hydroxybutyric acid, 3-hydroxypentanoic acid, caprolactone, butyrolactone, valerolactone, amino acid, or two or more blend wherein.Inorganic nano material is nano antibacterial agent, catalyst, CNT (carbon nano-tube).Additive is antibiotic, immunodepressant, antiseptic, hormone, vitamin, amino acid, polypeptide, protein, enzyme, growth factor, antibacterials, anaesthetic, haemostatic medicament, hormone, analgesic, antihypertensive drugs, antineoplastic.
Composite nano fiber endless tow of the present invention can be used for many fields such as regenerative medicine, textiles.
Poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, No. 1, wiring solution-forming in the mixed solvent of dinethylformamide, (wherein quality is formed lactide 50% to lactide-glycolide copolymer PLGA, glycolide 50%, viscosity average molecular weigh 100,000) 15g is dissolved in 50ml acetone and 50mlN, No. 2, wiring solution-forming in the mixed solvent of dinethylformamide, No. 1 solution is flowed to 3 electrospinning shower nozzles of same row on the support, No. 2 solution are flowed to 3 electrospinning shower nozzles of another row on the support, spacing on the support between the adjacent electrospinning shower nozzle of same row is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Between plane, support place and the fixed bar at an angle of 90.Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.5mm.Godet roller is 8cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained three layers of composite nano fiber endless tow of PLLA/PLGA bi-component forming endless tow after drawing and deriving forward through godet roller.
Embodiment 2
Poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, No. 1, wiring solution-forming in the mixed solvent of dinethylformamide, polycaprolactone (PCL) (molecular weight 90,000) 10g is dissolved in 100mlN, No. 2, wiring solution-forming in the dinethylformamide, No. 1 solution is flowed to 4 electrospinning shower nozzles of same row on the support, No. 2 solution are flowed to 4 electrospinning shower nozzles of another row on the support, spacing on the support between the adjacent electrospinning shower nozzle of same row is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Between plane, support place and the fixed bar at an angle of 90.Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.5mm.Godet roller is 8cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained three layers of composite nano fiber endless tow of PLLA/PCL bi-component forming endless tow after drawing and deriving forward through godet roller.
Embodiment 3
Poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, No. 1, wiring solution-forming in the mixed solvent of dinethylformamide, zein ZEIN (molecular weight 3.5 ten thousand) 35g is dissolved in the 100ml ethanol water (the ethanol/water volume ratio is 80/20) wiring solution-forming No. 2, No. 1 solution is flowed to 3 electrospinning shower nozzles of same row on the support, electrospinning shower nozzle internal diameter is 0.8mm, No. 2 solution are flowed to 3 electrospinning shower nozzles of another row on the support, electrospinning shower nozzle internal diameter is 1.2mm, spacing on the support between the adjacent electrospinning shower nozzle of same row is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Between plane, support place and the fixed bar at an angle of 90.Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 25kV of opposite polarity respectively.Godet roller is 8cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained three layers of composite nano fiber endless tow of PLLA/ZEIN bi-component forming endless tow after drawing and deriving forward through godet roller.
Embodiment 4
Polyacrylonitrile (PAN) (mean molecule quantity 130,000) 10g is dissolved in 100mlN, No. 1, wiring solution-forming in the dinethylformamide, Poly-s 179 PPES (melt index 3.9 grams/10 minutes, 320 ℃) 10g is dissolved in the 100ml methyl-sulfoxide wiring solution-forming No. 2, No. 1 solution is flowed to 4 electrospinning shower nozzles of same row on the support, No. 2 solution are flowed to 4 electrospinning shower nozzles of another row on the support, and the spacing on the support between the adjacent electrospinning shower nozzle of same row is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Between plane, support place and the fixed bar at an angle of 90.Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.5mm.Godet roller is 8cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained three layers of composite nano fiber endless tow of PAN/PPES bi-component forming endless tow after drawing and deriving forward through godet roller.
Poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, No. 1, wiring solution-forming in the mixed solvent of dinethylformamide, (wherein quality is formed lactide 50% to lactide-glycolide copolymer PLGA, glycolide 50%, viscosity average molecular weigh 100,000) 15g is dissolved in 50ml acetone and 50mlN, No. 2, wiring solution-forming in the mixed solvent of dinethylformamide, polyurethane PU 15g is dissolved in 100mlN, No. 3, wiring solution-forming in the dinethylformamide, polycaprolactone (PCL) (molecular weight 90,000) 10g is dissolved in 100mlN, No. 4, wiring solution-forming in the dinethylformamide, fully after the dissolving these high polymeric solutions flowed to two on the support respectively and are listed as totally 4 different electrospinning shower nozzles (2 electrospinning shower nozzles of every row).Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Parallel between plane, support place and the fixed bar.Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained four component composite nano fiber endless tows forming endless tow after drawing and deriving forward through godet roller.
Embodiment 6
Hyaluronic acid (molecular weight 100,000) 1g is dissolved in the 100ml water wiring solution-forming No. 1, shitosan 0.5g is dissolved in the spirit of vinegar of 100ml0.1M wiring solution-forming No. 2, poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, become No. 3, solution in the mixed solvent of dinethylformamide, (wherein quality is formed lactide 50% to lactide-glycolide copolymer PLGA, glycolide 50%, viscosity average molecular weigh 100,000) 15g is dissolved in 50ml acetone and 50mlN, become No. 4, solution in the mixed solvent of dinethylformamide, polyurethane PU 15g is dissolved in 100mlN, No. 5, wiring solution-forming in the dinethylformamide, polycaprolactone (PCL) (molecular weight 90,000) 10g is dissolved in 100mlN, No. 6, wiring solution-forming in the dinethylformamide, fully after the dissolving these high polymeric solutions flowed to two on the support respectively and are listed as totally 6 different electrospinning shower nozzles (3 electrospinning shower nozzles of every row).Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 10cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 30cm.Between plane, support place and the fixed bar parallel (becoming 0 ° of angle).Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained six component composite nano fiber endless tows forming endless tow after drawing and deriving forward through godet roller.
Embodiment 7
Hyaluronic acid (molecular weight 100,000) 1g is dissolved in the 100ml water wiring solution-forming No. 1, poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, No. 2, wiring solution-forming in the mixed solvent of dinethylformamide, fully after the dissolving these high polymeric solutions are flowed to two on the support respectively and be listed as totally 6 electrospinning shower nozzle (3 electrospinning shower nozzles of every row, same row are carried same polymer solution).Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 10cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 30cm.Between plane, support place and the fixed bar parallel (becoming 0 ° of angle).Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained the bi-component composite nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 8
Hyaluronic acid (molecular weight 100,000) 1g and brufen 0.2 gram is dissolved in the 100ml water wiring solution-forming No. 1, poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, No. 2, wiring solution-forming in the mixed solvent of dinethylformamide, fully after the dissolving these high polymeric solutions are flowed to two on the support respectively and be listed as totally 6 electrospinning shower nozzle (3 electrospinning shower nozzles of every row, same row are carried same polymer solution).Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 10cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 30cm.Between plane, support place and the fixed bar parallel (becoming 0 ° of angle).Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top to forming endless tow after drawing and deriving forward, is collected the bi-component composite nano fiber endless tow that obtains containing brufen through godet roller.
Embodiment 9
Polyacrylonitrile (PAN) 10g is dissolved in 100mlN, No. 1, wiring solution-forming in the dinethylformamide, polyurethane PU 15g is dissolved in 100mlN, No. 2, wiring solution-forming in the dinethylformamide, fully after the dissolving these high polymeric solutions are flowed to two on the support respectively and be listed as totally 6 electrospinning shower nozzle (3 electrospinning shower nozzles of every row, same row are carried same polymer solution).Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 10cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 30cm.Between plane, support place and the fixed bar parallel (becoming 0 ° of angle).Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top attracts each other, and is deposited on the polyester filament that is positioned at the middle traction downwards of support, is polyester filament by godet roller to drawing the back sandwich layer, and cortex is the nano fiber endless tow of PAN/PU composite nano fiber.
Embodiment 10
Polyurethane PU 15g is dissolved in 100mlN, No. 1, wiring solution-forming in the dinethylformamide, polycaprolactone (PCL) 10g is dissolved in 100mlN, No. 2, wiring solution-forming in the dinethylformamide, solution 1,2 is carried two row totally 8 electrospinning shower nozzle (4 electrospinning shower nozzles of every row respectively, same row are carried same polymer solution), the spacing of each row electrospinning shower nozzle is 10cm in the support, the relative electrospinning shower nozzle of two row spouts is at a distance of 30cm.Angle at 45 between plane, support place and the fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 15kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained the MULTILAYER COMPOSITE nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 11
Poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 20g is dissolved in 100ml acetone and 50mlN, and wiring solution-forming in the mixed solvent of dinethylformamide flows on the support two row totally 4 electrospinning shower nozzles (2 electrospinning shower nozzles of every row) respectively with solution.Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Between plane, support place and the fixed bar parallel (becoming 0 ° of angle).Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained PLLA one pack system composite nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 12
Arrange 4 electrospinning shower nozzles of two row (two of every row) on the electrospinning support in opposite directions, polycaprolactone (PCL) 10g is dissolved in 100mlN, in the dinethylformamide, solution is flowed to first pair of electrospinning shower nozzle on the support, (wherein quality is formed lactide 50% to lactide-glycolide copolymer PLGA, glycolide 50%, viscosity average molecular weigh 100,000) 15g is dissolved in 50ml acetone and 50mlN, in the mixed solvent of dinethylformamide, add the 0.3g brufen again, fully after the dissolving solution is flowed to second pair of electrospinning shower nozzle on the support, in the support in each row the spacing of two electrospinning shower nozzles be 15cm, the relative electrospinning shower nozzle of two row spouts is at a distance of 30cm.Between plane, support place and the fixed bar parallel (becoming 0 ° of angle).The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 10kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained PCL/PLGA two-layer compound nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 13
Arrange 20 electrospinning shower nozzles of two row (10 of every row) on the electrospinning support in opposite directions, poly--L-lactic acid PLLA (viscosity average molecular weigh 150,000) 50g is dissolved in 250ml acetone and 250mlN, in the mixed solvent of dinethylformamide, fully after the dissolving solution is flowed to 10 electrospinning shower nozzles of the side on the support, hyaluronic acid (molecular weight 1,000,000) 5g is dissolved in the 500ml water, fully after the dissolving solution is flowed to 10 electrospinning shower nozzles of the opposite side on the support, the spacing of each row electrospinning shower nozzle is 10cm in the support, and the relative electrospinning shower nozzle of two row spouts is at a distance of 30cm.Become 30 ° of angles between plane, support place and the fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 50kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained composite nano fiber endless tow, about 150 microns of tow diameter forming endless tow after drawing and deriving forward through godet roller.
Embodiment 14
Arrange 6 electrospinning shower nozzles of two row (3 of every row) on the electrospinning support in opposite directions, shitosan 0.5g is dissolved in the 100ml0.1M spirit of vinegar, fully after the dissolving solution is flowed to 3 electrospinning shower nozzles of the row of one on the support, polycaprolactone (PCL) 10g is dissolved in 100mlN, in the dinethylformamide, fully after the dissolving solution is flowed to 3 electrospinning shower nozzles of another row on the support, the spacing of each row electrospinning shower nozzle is 10cm in the support, and the relative electrospinning shower nozzle of two row spouts is at a distance of 20cm.Become 30 ° of angles between plane, support place and the fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 20kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.6mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained the bi-component composite nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 15
Polycarbonate (mean molecule quantity 100,000) 10g is dissolved in 100mlN, No. 1, wiring solution-forming in the dinethylformamide, Poly-s 179 PPES (melt index 3.9 grams/10 minutes, 320 ℃) 10g is dissolved in the 100ml methyl-sulfoxide wiring solution-forming No. 2, No. 1 solution is flowed to 4 electrospinning shower nozzles of same row on the support, No. 2 solution are flowed to 4 electrospinning shower nozzles of another row on the support, and the spacing on the support between the adjacent electrospinning shower nozzle of same row is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Between plane, support place and the fixed bar at an angle of 90.Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.5mm.Godet roller is 8cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained three layers of composite nano fiber endless tow of PC/PPES bi-component forming endless tow after drawing and deriving forward through godet roller.
Embodiment 16
Polyacrylonitrile (PAN) (mean molecule quantity 130,000) 10g is dissolved in 100mlN, in the dinethylformamide, and with 0.1 the gram Single Walled Carbon Nanotube be dispersed in wherein, No. 1, wiring solution-forming, Poly-s 179 PPES (melt index 3.9 grams/10 minutes, 320 ℃) 10g is dissolved in the 100ml methyl-sulfoxide wiring solution-forming No. 2, No. 1 solution is flowed to 4 electrospinning shower nozzles of same row on the support, No. 2 solution are flowed to 4 electrospinning shower nozzles of another row on the support, spacing on the support between the adjacent electrospinning shower nozzle of same row is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Become 30 ° of angles between plane, support place and the fixed bar.Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.5mm.Godet roller is 8cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained the PC/PPES bi-component composite nano fiber endless tow that Single Walled Carbon Nanotube strengthens forming endless tow after drawing and deriving forward through godet roller.
Embodiment 17
Hyaluronic acid (molecular weight 100,000) 1g is dissolved in the 100ml water, and wherein with 10 milligrams of dispersions of bone morphogenetic protein(BMP), No. 1, wiring solution-forming, poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, No. 2, wiring solution-forming in the mixed solvent of dinethylformamide, fully after the dissolving these high polymeric solutions are flowed to two on the support respectively and be listed as totally 6 electrospinning shower nozzle (3 electrospinning shower nozzles of every row, same row are carried same polymer solution).Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 10cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 30cm.Between plane, support place and the fixed bar parallel (becoming 0 ° of angle).Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 20kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained the bi-component composite nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 18
Poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 20g is dissolved in 100ml acetone and 50mlN, in the mixed solvent of dinethylformamide, and tricalcium phosphate 1 gram of particle diameter 300 nanometers disperseed wherein, wiring solution-forming flows on the support two row totally 4 electrospinning shower nozzles (2 electrospinning shower nozzles of every row) respectively with solution.Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 15cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 40cm.Between plane, support place and the fixed bar parallel (becoming 0 ° of angle).Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 50kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top to forming endless tow after drawing and deriving forward, is collected the PLLA composite nano fiber endless tow that obtains the phosphoric acid DFP through godet roller.
Embodiment 19
Arrange 50 electrospinning shower nozzles of two row (25 of every row) on the electrospinning support in opposite directions, poly--L-lactic acid PLLA (viscosity average molecular weigh 150,000) 100g is dissolved in 500ml acetone and 500mlN, in the mixed solvent of dinethylformamide, fully after the dissolving solution is flowed to 25 electrospinning shower nozzles of the side on the support, hyaluronic acid (molecular weight 1,000,000) 10g is dissolved in the 1000ml water, fully after the dissolving solution is flowed to 25 electrospinning shower nozzles of the opposite side on the support, distance in the support between the adjacent electrospinning shower nozzle of same row is 2cm, and the relative electrospinning shower nozzle of two row spouts is at a distance of 40cm.Plane, support place is parallel with fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 120kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 10cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained composite nano fiber endless tow, about 200 microns of tow diameter forming endless tow after drawing and deriving forward through godet roller.
Embodiment 20
Arrange 20 electrospinning shower nozzles of two row (10 of every row) on the electrospinning support in opposite directions, poly--L-lactic acid PLLA (viscosity average molecular weigh 150,000) 50g is dissolved in 250ml acetone and 250mlN, in the mixed solvent of dinethylformamide, fully after the dissolving solution is flowed to 20 electrospinning shower nozzles of the both sides on the support, distance in the support between the adjacent electrospinning shower nozzle of same row is 8cm, and the relative electrospinning shower nozzle of two row spouts is at a distance of 40cm.Plane, support place is parallel with fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 80kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 5cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained polylactic acid composite nano fibre endless tow, about 100 microns of tow diameter forming endless tow after drawing and deriving forward through godet roller.
Embodiment 21
Arrange 4 electrospinning shower nozzles of two row (2 of every row) on the electrospinning support in opposite directions, poly--L-lactic acid PLLA (viscosity average molecular weigh 150,000) 10g is dissolved in 50ml acetone and 50mlN, in the mixed solvent of dinethylformamide, fully after the dissolving solution is flowed to 2 electrospinning shower nozzles of the side on the support, collagen 1.5g is dissolved in the 30ml hexafluoroisopropanol, fully after the dissolving solution is flowed to 2 electrospinning shower nozzles of the opposite side on the support, distance in the support between the adjacent electrospinning shower nozzle of same row is 10cm, and the relative electrospinning shower nozzle of two row spouts is at a distance of 30cm.Plane, support place is parallel with fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 30kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 3cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained PLLA/ collagen composite nano fiber filament bundle forming endless tow after drawing and deriving forward through godet roller.
Embodiment 22
Arrange 4 electrospinning shower nozzles of two row (2 of every row) on the electrospinning support in opposite directions, Kynoar PVDF10g is dissolved in 50ml acetone and 50mlN, in the mixed solvent of dinethylformamide, fully after the dissolving solution flowed to the electrospinning shower nozzle on the support, distance in the support between the adjacent electrospinning shower nozzle of same row is 15cm, the relative electrospinning shower nozzle of two row spouts is at a distance of 40cm, and plane, support place becomes 30 to spend angles with fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 30kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 3cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained the PVDF composite nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 23
Arrange 4 electrospinning shower nozzles of two row (2 of every row) on the electrospinning support in opposite directions, Kynoar PVDF10g is dissolved in 50ml acetone and 50mlN, in the mixed solvent of dinethylformamide, fully after the dissolving solution is flowed to 2 electrospinning shower nozzles of the side on the support, polyurethane PU 15g is dissolved in 100mlN, wiring solution-forming and flow to 2 electrospinning shower nozzles of the opposite side on the support in the dinethylformamide, distance in the support between the adjacent electrospinning shower nozzle of same row is 10cm, and the relative electrospinning shower nozzle of two row spouts is at a distance of 30cm.Plane, support place is parallel with fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 20kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 3cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained the PLLA/PU composite nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 24
Arrange 4 electrospinning shower nozzles of two row (2 of every row) on the electrospinning support in opposite directions, poly--L-lactic acid PLLA (viscosity average molecular weigh 150,000) 10g is dissolved in 50ml acetone and 50mlN, in the mixed solvent of dinethylformamide, fully after the dissolving solution is flowed to 2 electrospinning shower nozzles of the side on the support, polyvinylpyrrolidone PVPK60 (BASF AG's product) 10g is dissolved in the 50ml acetone, fully after the dissolving solution is flowed to 2 electrospinning shower nozzles of the opposite side on the support, distance in the support between the adjacent electrospinning shower nozzle of same row is 10cm, and the relative electrospinning shower nozzle of two row spouts is at a distance of 30cm.Plane, support place is parallel with fixed bar.The relative electrospinning shower nozzle of two row spouts is applied the dc high voltage ± 20kV of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 1.2mm.Godet roller is 3cm/s to the speed of traction endless tow.The nanofiber that eject on electrospinning shower nozzle top, is collected and is obtained the PLLA/PVP composite nano fiber endless tow forming endless tow after drawing and deriving forward through godet roller.
Embodiment 25
Poly--L-lactic acid PLLA (viscosity average molecular weigh 100,000) 10g is dissolved in 50ml acetone and 50mlN, become No. 1, solution solution in the mixed solvent of dinethylformamide, (wherein quality is formed lactide 50% to lactide-glycolide copolymer PLGA, glycolide 50%, viscosity average molecular weigh 100,000) 15g is dissolved in 50ml acetone and 50mlN, No. 2, wiring solution-forming in the mixed solvent of dinethylformamide, hyaluronic acid (molecular weight 100,000) 1g is dissolved in and is made in the 100ml water No. 3, shitosan 0.3g is dissolved in the spirit of vinegar of 100ml0.1M wiring solution-forming No. 4, collagen 1.5g is dissolved in the hexafluoroisopropanol wiring solution-forming No. 5, polycaprolactone (PCL) (molecular weight 90,000) 10g is dissolved in 100mlN, No. 6, wiring solution-forming in the dinethylformamide, fully after the dissolving these high polymeric solutions flowed on the support two row totally 6 different electrospinning shower nozzles (3 electrospinning shower nozzles of every row) from top to bottom for 1-6 number respectively.Spacing during each is listed as in the support between the adjacent electrospinning shower nozzle is 10cm, and two row spouts electrospinning shower nozzle in opposite directions is at a distance of 30cm.Parallel between plane, support place and the fixed bar.Two row spouts electrospinning shower nozzle is in opposite directions applied the dc high voltage ± 15kv of opposite polarity respectively, and electrospinning shower nozzle internal diameter is 0.8mm.1, No. 2 ejection nanofibers attract each other, assemble and draw downwards and obtain endless tow, and as the carrier of 3, No. 4 solution electron spray particles deposition, the downward drawing-off of endless tow of surface attachment electron spray particle, 5, the nanofiber of No. 6 solution ejection continues to be deposited on the endless tow of surface attachment electron spray particle, nano fiber endless tow through godet roller to formation complex component composite nano fiber endless tow the traction after.
Claims (9)
1, a kind of composite nano fiber endless tow preparing apparatus, it is characterized in that this device is made up of (2), support (3), fixed bar (4), base (5) (1), godet roller spinning nozzle some, in opposite directions many are fixed on the support (3) (1) the electrospinning shower nozzle two row spouts, every pair of electrospinning shower nozzle spout can be on same horizontal plane or different level, support (3) links to each other with base (5) by the fixed bar (4) of vertical base, godet roller acutangulates between support (3) plane, place and the fixed bar (4) (2) centre in support (3) below.
2, composite nano fiber endless tow preparation method according to claim 1 is characterized in that spacing is 2-50cm between support (3) the same row electrospinning shower nozzle (1); Two row spouts electrospinning shower nozzle in opposite directions between two shower nozzles of (1) at a distance of 10-100cm.
3, composite nano fiber endless tow preparation method according to claim 1 is characterized in that angulation is 0-90 ° between support (3) plane, place and the fixed bar (4).
4, a kind of composite nano fiber endless tow preparation method of device according to claim 1 is characterized in that the step of concrete preparation is as follows:
1) feed liquid is flowed to electrospinning shower nozzle on the support (3) to (1);
2) spout electrospinning shower nozzle in opposite directions applies the dc high voltage of opposite polarity respectively to each shower nozzle of (1);
3) every pair of spout ejection nanofiber of oppositely charged respectively in opposite directions, and attract each other, collide the formation composite nano fiber aloft, or be deposited on the macromolecular fibre long filament as acceptor that draws downwards along the support plane between two shower nozzles of electrospinning shower nozzle to (1), after traction, stretching, form composite nano fiber endless tow;
4) composite nano fiber endless tow of first pair of electrospinning shower nozzle spinning formation of placing in opposite directions stretches downwards, and aloft meet as acceptor and the oppositely charged respectively of second pair of electrospinning shower nozzle ejection and the nanofiber that attracts each other, nanofiber parcel by second pair of electrospinning shower nozzle ejection forms two-layer composite nano fiber endless tow after traction, stretching;
5) and the like, the endless tow that the upper strata forms stretches downwards and as acceptor and lower floor's electrospinning shower nozzle the nanofiber that spinning forms is aloft met, by the nanofiber parcel of lower floor's electrospinning shower nozzle to ejection, after traction, stretching, form composite nano fiber endless tow, after godet roller obtains the MULTILAYER COMPOSITE nano fiber endless tow after (2) are drawn, stretched.
5, the preparation method of MULTILAYER COMPOSITE nano fiber endless tow according to claim 4 is characterized in that two row spouts electrospinning shower nozzle (1) is in opposite directions applied respectively the dc high voltage 3KV-200KV of opposite polarity.
6, composite nano fiber endless tow preparation method according to claim 4 is characterized in that feed liquid is the mixture system of Polymer Solution or the Polymer Solution that contains additive or macromolecule and inorganic particulate.
7, composite nano fiber endless tow preparation method according to claim 6, it is characterized in that macromolecule is polyolefin, polyalkenyl halides, polysiloxanes, polyethers, polyamide, polyester, Merlon, polyurethane, epoxy resin, polyacrylonitrile, polyacrylic acid family macromolecule, polyacrylate, polyphenylene oxide, poly-acid anhydrides, poly--a-amino acid, polyphenylene sulfide, or two or more blend wherein; Or a kind of or their derivative in the cellulose, cellulose derivative, glucan, silk-fibroin, shitosan, chitosan derivatives, hyaluronic acid, derivatives of hyaluronic acids, collagen, carrageenan, mosanom, calcium alginate, chondroitin sulfate, gelatin, agar, glucan, fibrin, fibrinogen, keratoprotein, casein, albumin, elastin laminin or two or more blend wherein; Or biology can absorb synthetic high polymer poly--L-lactic acid, poly--(D, L)-and the copolymer of a kind of or following at least two kinds of monomers in lactic acid, polyglycolic acid, polycaprolactone, poly-butyrolactone, poly-valerolactone, polyester dioxane, poly-acid anhydrides, poly--a-amino acid: L-lactic acid, D, L-lactic acid, glycolic acid, 3-hydroxybutyric acid, 3-hydroxypentanoic acid, caprolactone, butyrolactone, valerolactone, amino acid, or two or more blend wherein.
8, composite nano fiber endless tow preparation method according to claim 6 is characterized in that inorganic particulate is nano antibacterial agent, catalyst, CNT (carbon nano-tube).
9, composite nano fiber endless tow preparation method according to claim 6 is characterized in that additive is antibiotic, immunodepressant, antiseptic, hormone, vitamin, amino acid, polypeptide, protein, enzyme, growth factor, antibacterials, anaesthetic, haemostatic medicament, hormone, analgesic, antihypertensive drugs, antineoplastic.
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| CNB2005100953840A CN100427652C (en) | 2005-11-11 | 2005-11-11 | Composite nano fiber endless tow preparing apparatus and its preparing method |
| US12/084,839 US20080265469A1 (en) | 2005-11-11 | 2006-11-10 | Device and Method for Preparing Filament Yarn of Composite Nanofibers |
| PCT/CN2006/003014 WO2007054029A1 (en) | 2005-11-11 | 2006-11-10 | Device and method for preparing filament tow of composite nanofibers |
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| ES2245874B1 (en) * | 2004-03-22 | 2007-08-01 | Universidad De Sevilla | PROCEDURE TO GENERATE COMPOSITE NANOTUBES AND NANOFIBERS FROM COAXIAL JETS. |
| TWI245085B (en) * | 2004-07-29 | 2005-12-11 | Taiwan Textile Res Inst | Apparatus and method for manufacturing polymeric fibrils |
| CN100334268C (en) * | 2005-03-25 | 2007-08-29 | 东南大学 | Method for preparing nano fiber endless tow |
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2005
- 2005-11-11 CN CNB2005100953840A patent/CN100427652C/en not_active Expired - Fee Related
-
2006
- 2006-11-10 US US12/084,839 patent/US20080265469A1/en not_active Abandoned
- 2006-11-10 WO PCT/CN2006/003014 patent/WO2007054029A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| US20080265469A1 (en) | 2008-10-30 |
| WO2007054029A1 (en) | 2007-05-18 |
| CN100427652C (en) | 2008-10-22 |
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