CN102240511A - Polysulphone nanometer fiber polymer membrane and preparation method as well as application thereof - Google Patents
Polysulphone nanometer fiber polymer membrane and preparation method as well as application thereof Download PDFInfo
- Publication number
- CN102240511A CN102240511A CN201010171466XA CN201010171466A CN102240511A CN 102240511 A CN102240511 A CN 102240511A CN 201010171466X A CN201010171466X A CN 201010171466XA CN 201010171466 A CN201010171466 A CN 201010171466A CN 102240511 A CN102240511 A CN 102240511A
- Authority
- CN
- China
- Prior art keywords
- polysulfones
- polymer film
- spinning
- nanofiber
- polyether sulfone
- 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
Abstract
The invention relates to a polysulphone nanometer fiber polymer membrane and a preparation method as well as application thereof. The preparation method comprises the following steps: placing a polysulphone spinning solution in an injector of a static spinning device; spinning under the conditions that temperature is 18-30 DEG C and humidity is 35-65%; injecting the spinning solution into a spinning nozzle at a speed of 0.5-5 ml/h under the action of an injection pump; applying a 12-20kV direct-current high-voltage electric field between the spinning nozzle and a grounded roller receiver so as to obtain a nanometer fiber polymer membrane from the roller receiver; and finally drying to obtain the polysulphone nanometer fiber polymer membrane provided by the invention. The diameter of the polysulphone nanometer fiber in the membrane provided by the invention is 300-700 nanometers; the porosity between the polysulphone nanometer fibers is 45-75%; and an aperture of pore formed between the polysulphone nanometer fibers is 1-8 microns. The polysulphone nanometer fiber polymer membrane provided by the invention can be used for preparing a filtering material for filtering grains in the air or a support material of an ultra-filtrated, nano-filtrated or reverse osmosis membrane.
Description
Technical field
The invention belongs to each nano fibrous membrane field of electrostatic spinning legal system, the particularly large aperture polysulfones nanofibre polymer film and the application of method of electrostatic spinning preparation, and the electrostatic spinning preparation method of this polysulfones nanofibre polymer film.
Background technology
Contain sulfuryl and aromatic ring on its main chain of polysulfones material, mainly contain bisphenol-a polysulfone, polyether sulfone, polyethersulfone ketone, PPSS etc.Because the sulphur atom of sulfuryl is in highest oxidation state, and the sulfuryl both sides have phenyl ring and form and grip system highly altogether, so this class material has good non-oxidizability, heat endurance and high-temperature fusion stability.Polyether sulfone is the special engineering plastics by the exploitation seventies of Britain ICI company, its vitrification point reaches 225 ℃, have excellent physical and mechanical performance, electrical property, resistance to elevated temperatures and chemical stability, be widely used in fields such as electronic apparatus, plant equipment, Aero-Space.The polysulfones material with its excellent comprehensive performance become application early, a class membrane material more widely.Be used for making that nanofiltration, ultrafiltration, micro-filtration, gas separate, the counterdie of composite membrane, PEM, hemodialysis membrane etc.
The chemical constitution of polysulfones and polyether sulfone is
The preparation method of existing above-mentioned diffusion barrier has sintering process, nuclear track etching method, high humility revulsion, immersion precipitation phase inversion, thermally induced phase separation and control evaporation etc., wherein the aperture of the diffusion barrier of first three methods preparation is 0.1～10 μ m, the scope that belongs to micro-filtration is used for the degerming of food and pharmaceuticals industry beverage and pharmaceutical products and purification etc.Then three kinds of methods are phase inversion, and the film that obtains is the asymmetric membrane with dense layer surface and porous separating layer, and the aperture is about 1～100nm, is mainly used in fields such as dairy products, food, water treatment.Up to the present, nearly all polysulfones film all is to prepare by phase inversion.ZL200510031066.8 adopts the immersion precipitation phase inversion to prepare the special-purpose film of wide-aperture poly (ether-sulfone) ultrafiltration membrane as membrane bioreactor.CN1579603 adopts dried-wet spinning silk technology to prepare the polyether sulfone hollow-fibre membrane, and this film is used for haemodialysis effect preferably.Barzin (Barzin J, Feng C, Khulbe K C, Matsuura T, Madaeni S S, Mirzadeh H, Charaeterization ofPolyethersulfone hemodialysis membrane by ultrafiltration and atomic forcemicroscopy, J Membr Sci, 2004,237:77-85.) with polyether sulfone/polyethylene pyrrole alkane ketone/dimethylacetylamide ternary spinning solution prepared the doughnut hemodialysis membrane, found that the film through 150 ℃ of air heat treatment 5min is suitable for haemodialysis most.Qin (Qin JJ, Oo M H, Li Y, Development ofhigh flux polyethersulfone hollow fiber ultrafiltration membranes from a lowcritical solution temperature dope via hypochlorite treatment, J Membr Sci, 2005,247:137-142.) etc. adopt polyether sulfone/polyethylene pyrrole alkane ketone/dimethylacetylamide/1, the 2-propane diols is formed the casting solution with low critical consolute temperature and has been prepared the polyether sulfone hollow fiber ultrafiltration membrane, film is through the hypochlorous acid solution-treated, remove the residual polyethylene pyrrole of part alkane ketone, obtain having the high flux of dense thin cortex, the poly (ether sulfone) film of high BSA rejection.The polysulfones film purposes of above-mentioned phase inversion preparation is more extensive, but its preparation process more complicated needs to experience post processing in the process of using.
Electrostatic spinning technique is quick, easy, an easy to operate and various informative technology of producing nanofiber, it is that Polymer Solution or melt are under the high voltage electric field effect, solution or melt are subjected to electrostatic interaction and stretch, and obtain the superfine nano fiber through solvent evaporates or cooling.Utilize electrostatic spinning technique can be used for preparing various high polymer nanometer fiber membrane materials.US2004185737,20050014252, electrostatic spinnings such as the biodegradable PLA of employings such as US20030215624, polyvinyl alcohol, polyacrylate, polyamide, polyvinylpyrrolidone are prepared into superfine fibre film.
It is big that the superfine fibre of this technology preparation has specific area, the porosity height, and the fiber footpath is thin, the equal first-class characteristics of light weight and pattern.Because have these advantages, the electrospinning silk more and more receives people's favorable comment and concern, is widely used in organizational project, medicine control discharges dielectric film, fields such as filtration.
Summary of the invention
The purpose of this invention is to provide the polysulfones nanofibre polymer film that method of electrostatic spinning prepares, obtain the nanofibre polymer film of large aperture, high porosity, bigger serface.
A further object of the present invention provides a kind of preparation method of polysulfones nanofibre polymer film.
An also purpose of the present invention provides the application of polysulfones nanofibre polymer film.
Polysulfones nanofibre polymer film of the present invention is prepared by method of electrostatic spinning, and described polysulfones nanofibre polymer film is to be made of the polysulfones nanofiber, and the thickness of film is 25～100 μ m; The diameter of described polysulfones nanofiber is 300～700nm; Polysulfones nanofiber and the porosity between the polysulfones nanofiber in the described polysulfones nanofibre polymer film are 45～75%.
The aperture in the hole that constitutes between described polysulfones nanofiber and the polysulfones nanofiber is 1～8 μ m.
Described polysulfones comprises polyether sulfone.Wherein, the weight average molecular weight of polysulfones is 75,000, and the weight average molecular weight of polyether sulfone is 53,500.
Polysulfones nanofibre polymer film of the present invention adopts method of electrostatic spinning to prepare, and method may further comprise the steps:
(1) preparation of spinning solution
Polysulfones and organic solvent are mixed, and are that 45～50 ℃ of lower magnetic forces stir (being generally 24～48 hours) in temperature, obtain the polysulfones spinning solution of clear; Wherein, the mass concentration of polysulfones is 18～25% in the polysulfones spinning solution, and the mass concentration of organic solvent is 75～82%;
(2) method of electrostatic spinning prepares polysulfones nanofibre polymer film
The polysulfones spinning solution of step (1) preparation is placed the syringe of electrospinning device; To fix by the stainless steel spinning head that the feed line line is connected with described syringe, and be 10～25cm with the distance adjustment between described stainless steel spinning head and the polishing stainless steel cylinder receiver, be that 18～30 ℃ and humidity are to carry out spinning 35～65% times in temperature; Wherein, the polysulfones spinning solution injects described stainless steel spinning head with the speed of 0.5～5ml/h under the effect of syringe pump, between the described polishing stainless steel cylinder receiver of described stainless steel spinning head and ground connection, apply the dc high voltage electric field of 12～20kV, the polysulfones spinning solution splits branch and produces jet at the tip of described stainless steel spinning head under the effect of static, on described polishing stainless steel cylinder receiver, obtain the nanofibre polymer film, drying finally obtains polysulfones nanofibre polymer film of the present invention.The thickness that flow velocity by control polysulfones spinning solution and spinning time are controlled described polysulfones nanofibre polymer film.The thickness of the polysulfones nanofibre polymer film that the inventive method prepares is 25～100 μ m; The diameter of described polysulfones nanofiber is 300～700nm; Polysulfones nanofiber and the porosity between the polysulfones nanofiber in the described polysulfones nanofibre polymer film are 45～75%.
The aperture in the hole that constitutes between described polysulfones nanofiber and the polysulfones nanofiber is 1～8 μ m.
Described polysulfones comprises polyether sulfone.Wherein, the weight average molecular weight of polysulfones is 75,000, and the weight average molecular weight of polyether sulfone is 53,500.
The described spinning time of step (2) is 1～4 hour.
Described drying is dry in 80 ℃ baking oven.
Described organic solvent is selected from N, dinethylformamide, N, at least a in the group that N-dimethylacetylamide, acetone etc. are formed.
The porosity height of polysulfones nanofibre polymer film of the present invention, specific area is big, can be used for preparing the filtering material of particulate in the filtered air, also can be used for preparing the backing material of milipore filter, the backing material of NF membrane or the backing material of reverse osmosis membrane.
Description of drawings
The surperficial SEM figure of polysulfones nano fibrous membrane in Fig. 1 embodiment of the invention 1.
The surperficial SEM figure of polyether sulfone nano fibrous membrane in Fig. 2 embodiment of the invention 3.
The surperficial SEM figure of polyether sulfone nano fibrous membrane in Fig. 3 embodiment of the invention 6.
The specific embodiment
Below in conjunction with embodiment the present invention is done more detailed description, but described embodiment is not construed as limiting the invention.The performance of describing in the literary composition is measured according to the methods below:
(1) weight average molecular weight (Mw): adopt the GPC method to measure according to the molecular weight of polystyrene.
Pillar: (U.S. Waters company) GMHXL
Solvent: N, N-dimethylacetylamide temperature: 25 ℃
(2) porosity
Densimetry is measured.Dried polysulfones nanofibre polymer film of the present invention is cut into a certain size film, measures its length and width and thickness,, calculate the density (ρ of film thus with its quality of electronic balance weighing
m).Density (the ρ of polysulfone material
p) be 1.24g/cm
3The density of polyether sulfone materials is 1.33g/cm
3Calculate porosity according to following formula:
(3) thickness
Adopt micrometer caliper (the Japanese Mitutoyo 293-340 of company) to measure the thickness of 10 diverse locations on the polymer film, getting its mean value is the thickness of polysulfones nanofibre polymer film of the present invention.
Embodiment 1
15g polysulfones (weight average molecular weight is 75,000) is dissolved in 60gN, in the dinethylformamide, is the polysulfones spinning solution that obtains clear after 50 ℃ of lower magnetic forces stir 24 hours in temperature, and wherein, the mass concentration of polysulfones is 20wt% in the polysulfones spinning solution.The polysulfones spinning solution is placed the syringe of electrospinning device; To fix by the stainless steel spinning head that the feed line line is connected with described syringe, and be 15cm with the distance adjustment between described spinning head and the polishing stainless steel cylinder receiver, is that 20 ℃ and humidity are to carry out spinning 50% time in temperature; Wherein, the polysulfones spinning solution injects described spinning head with the speed of 0.5ml/h under the effect of syringe pump, between the described cylinder receiver of described spinning head and ground connection, apply the dc high voltage electric field of 12kV, the polysulfones spinning solution splits branch and produces jet at the tip of described spinning head under the effect of electric field force, obtain the nanofibre polymer film on described cylinder receiver, the spinning time is 4 hours.This film is dry in 80 ℃ baking oven, and finally obtaining thickness is the polysulfones nanofibre polymer film of 60 μ m, and the surperficial SEM figure of polysulfones nano fibrous membrane as shown in Figure 1.
Gained polysulfones nanofibre polymer film is cut into the film of certain size size, calculates porosity by formula (1).Polysulfones nanofiber and the porosity between the polysulfones nanofiber in the polysulfones nanofibre polymer film are 70%, and the average diameter of polysulfones nanofiber is 700nm, and the aperture in the hole that constitutes between described polysulfones nanofiber and the polysulfones nanofiber is 3.8 μ m.
Embodiment 2
18g polysulfones (weight average molecular weight is 75,000) is dissolved in 82gN, in the dinethylformamide, is the polysulfones spinning solution that obtains clear after 50 ℃ of lower magnetic forces stir 24 hours in temperature, and wherein, the mass concentration of polysulfones is 18wt% in the polysulfones spinning solution.The polysulfones spinning solution is placed the syringe of electrospinning device; To fix by the stainless steel spinning head that the feed line line is connected with described syringe, and be 25cm with the distance adjustment between described spinning head and the polishing stainless steel cylinder receiver, is that 18 ℃ and humidity are to carry out spinning 55% time in temperature; Wherein, the polysulfones spinning solution injects described spinning head with the speed of 5ml/h under the effect of syringe pump, between the described cylinder receiver of described spinning head and ground connection, apply the dc high voltage electric field of 20kV, the polysulfones spinning solution splits branch and produces jet at the tip of described spinning head under the effect of electric field force, on described cylinder receiver, obtain the nanofibre polymer film, the spinning time is 4 hours, this film is dry in 80 ℃ baking oven, and finally obtaining thickness is the polysulfones nanofibre polymer film of 100 μ m.
Gained polysulfones nanofibre polymer film is cut into the film of certain size size, calculates porosity by formula (1).Polysulfones nanofiber and the porosity between the polysulfones nanofiber in the polysulfones nanofibre polymer film are 68%, and the average diameter of polysulfones nanofiber is 500nm, and the aperture in the hole that constitutes between described polysulfones nanofiber and the polysulfones nanofiber is 6.1 μ m.
Embodiment 3
(weight average molecular weight is 53 with the 15g polyether sulfone, 500) being dissolved in 50.22gN, in the dinethylformamide, is the polyether sulfone spinning solution that obtains clear after 50 ℃ of lower magnetic forces stir 24 hours in temperature, wherein, the mass concentration of polyether sulfone is 23wt% in the polyether sulfone spinning solution.The polyether sulfone spinning solution is placed the syringe of electrospinning device; To fix by the stainless steel spinning head that the feed line line is connected with described syringe, and be 10cm with the distance adjustment between described spinning head and the polishing stainless steel cylinder receiver, is that 30 ℃ and humidity are to carry out spinning 65% time in temperature; Wherein, the polyether sulfone spinning solution injects described spinning head with the speed of 1ml/h under the effect of syringe pump, between the described cylinder receiver of described spinning head and ground connection, apply the dc high voltage electric field of 15kV, the polyether sulfone spinning solution splits branch and produces jet at the tip of described spinning head under the effect of electric field force, on described cylinder receiver, obtain the nanofibre polymer film, the spinning time is 1.5 hours, this film is dry in 80 ℃ baking oven, finally obtaining thickness is the polyether sulfone nanofibre polymer film of 55 μ m, and the surperficial SEM figure of polyether sulfone nano fibrous membrane as shown in Figure 2.
Gained polyether sulfone nanofibre polymer film is cut into the film of certain size size, calculates porosity by formula (1).Polyether sulfone nanofiber and the porosity between the polyether sulfone nanofiber in the polyether sulfone nanofibre polymer film are 75%, the average diameter of polyether sulfone nanofiber is 300nm, and the aperture in the hole that constitutes between described polyether sulfone nanofiber and the polyether sulfone nanofiber is 8.0 μ m.
Embodiment 4
(weight average molecular weight is 53 with the 15g polyether sulfone, 500) being dissolved in 48gN, in N-dimethylacetylamide and the 12g acetone, is the polyether sulfone spinning solution that obtains clear after 50 ℃ of lower magnetic forces stir 24 hours in temperature, wherein, the mass concentration of polyether sulfone is 20wt% in the polyether sulfone spinning solution.The polyether sulfone spinning solution is placed the syringe of electrospinning device; To fix by the stainless steel spinning head that the feed line line is connected with described syringe, and be 15cm with the distance adjustment between described spinning head and the polishing stainless steel cylinder receiver, is that 25 ℃ and humidity are to carry out spinning 35% time in temperature; Wherein, the polyether sulfone spinning solution injects described spinning head with the speed of 0.5ml/h under the effect of syringe pump, between the described cylinder receiver of described spinning head and ground connection, apply the dc high voltage electric field of 18kV, the polyether sulfone spinning solution splits branch and produces jet at the tip of described spinning head under the effect of electric field force, on described cylinder receiver, obtain the nanofibre polymer film, the spinning time is 1 hour, this film is dry in 80 ℃ baking oven, and finally obtaining thickness is the polyether sulfone nanofibre polymer film of 25 μ m.
Gained polyether sulfone nanofibre polymer film is cut into the film of certain size size, calculates porosity by formula (1).Polyether sulfone nanofiber and the porosity between the polyether sulfone nanofiber in the polyether sulfone nanofibre polymer film are 60%, the average diameter of polyether sulfone nanofiber is 520nm, and the aperture in the hole that constitutes between described polyether sulfone nanofiber and the polyether sulfone nanofiber is 2.5 μ m.
Embodiment 5
(weight average molecular weight is 53 with the 15g polyether sulfone, 500) being dissolved in 30gN, in the dinethylformamide, is the polyether sulfone spinning solution that obtains clear after 50 ℃ of lower magnetic forces stir 48 hours in temperature, wherein, the mass concentration of polyether sulfone is 25wt% in the polyether sulfone spinning solution.The polyether sulfone spinning solution is placed the syringe of electrospinning device; To fix by the stainless steel spinning head that the feed line line is connected with described syringe, and be 15cm with the distance adjustment between described spinning head and the polishing stainless steel cylinder receiver, is that 25 ℃ and humidity are to carry out spinning 50% time in temperature; Wherein, the polyether sulfone spinning solution injects described spinning head with the speed of 1ml/h under the effect of syringe pump, between the described cylinder receiver of described spinning head and ground connection, apply the dc high voltage electric field of 20kV, the polyether sulfone spinning solution splits branch and produces jet at the tip of described spinning head under the effect of electric field force, on described cylinder receiver, obtain the nanofibre polymer film, the spinning time is 1 hour, this film is dry in 80 ℃ baking oven, and finally obtaining thickness is the polyether sulfone nanofibre polymer film of 50 μ m.
Gained polyether sulfone nanofibre polymer film is cut into the film of certain size size, calculates porosity by formula (1).Polyether sulfone nanofiber and the porosity between the polyether sulfone nanofiber in the polyether sulfone nanofibre polymer film are 58%, the average diameter of polyether sulfone nanofiber is 620nm, and the aperture in the hole that constitutes between described polyether sulfone nanofiber and the polyether sulfone nanofiber is 4.3 μ m.
Embodiment 6
With the 15g polyether sulfone
Being dissolved in 50.22gN, in the dinethylformamide, is the polyether sulfone spinning solution that obtains clear after 50 ℃ of lower magnetic forces stir 48 hours in temperature, and wherein, the mass concentration of polyether sulfone is 23wt% in the polyether sulfone spinning solution.The polyether sulfone spinning solution is placed the syringe of electrospinning device; To fix by the stainless steel spinning head that the feed line line is connected with described syringe, and be 25cm with the distance adjustment between described spinning head and the polishing stainless steel cylinder receiver, is that 22 ℃ and humidity are to carry out spinning 35% time in temperature; Wherein, the polyether sulfone spinning solution injects described spinning head with the speed of 1ml/h under the effect of syringe pump, between the described cylinder receiver of described spinning head and ground connection, apply the dc high voltage electric field of 20kV, the polyether sulfone spinning solution splits branch and produces jet at the tip of described spinning head under the effect of electric field force, on described cylinder receiver, obtain the nanofibre polymer film, the spinning time is 1 hour, this film is dry in 80 ℃ baking oven, finally obtaining thickness is the polyether sulfone nanofibre polymer film of 42 μ m, and the surperficial SEM figure of polyether sulfone nano fibrous membrane as shown in Figure 3.
Gained polyether sulfone nanofibre polymer film is cut into the film of certain size size, calculates porosity by formula (1).Polyether sulfone nanofiber and the porosity between the polyether sulfone nanofiber in the polyether sulfone nanofibre polymer film are 45%, the average diameter of polyether sulfone nanofiber is 480nm, and the aperture in the hole that constitutes between described polyether sulfone nanofiber and the polyether sulfone nanofiber is 1.0 μ m.
The foregoing description gained polysulfones or polyether sulfone nanofibre polymer film can be used for preparing the filtering material of particulate in the filtered air, or are used to prepare the backing material of milipore filter, the backing material of NF membrane or the backing material of reverse osmosis membrane.After applying the one layer of polymeric film on polysulfones or the polyether sulfone nanofibre polymer film, be used as micro-filtration, ultrafiltration or nanofiltration material.Polysulfones or polyether sulfone nanofibre polymer film packed into be used for the filtering material of filtered air particulate in the air cleaner.
Claims (10)
1. polysulfones nanofibre polymer film, it is prepared by method of electrostatic spinning, it is characterized in that: described polysulfones nanofibre polymer film is to be made of the polysulfones nanofiber, the thickness of film is 25～100 μ m; The diameter of described polysulfones nanofiber is 300～700nm; Polysulfones nanofiber and the porosity between the polysulfones nanofiber in the described polysulfones nanofibre polymer film are 45～75%;
The aperture in the hole that constitutes between described polysulfones nanofiber and the polysulfones nanofiber is 1～8 μ m.
2. polysulfones nanofibre polymer film according to claim 1, it is characterized in that: described polysulfones comprises polyether sulfone.
3. polysulfones nanofibre polymer film according to claim 1 and 2 is characterized in that: the weight average molecular weight of described polysulfones is 75,000.
4. polysulfones nanofibre polymer film according to claim 2 is characterized in that: the weight average molecular weight of described polyether sulfone is 53,500.
5. preparation method according to any described polysulfones nanofibre polymer film of claim 1～4, described method is a method of electrostatic spinning, it is characterized in that, this method may further comprise the steps:
(1) preparation of spinning solution
Polysulfones and organic solvent are mixed, and are that 45～50 ℃ of lower magnetic forces stir in temperature, obtain the polysulfones spinning solution of clear; Wherein, the mass concentration of polysulfones is 18～25% in the polysulfones spinning solution, and the mass concentration of organic solvent is 75～82%;
(2) method of electrostatic spinning prepares polysulfones nanofibre polymer film
The polysulfones spinning solution of step (1) preparation is placed the syringe of electrospinning device; To fix by the stainless steel spinning head that the feed line line is connected with described syringe, and be 10～25cm with the distance adjustment between described stainless steel spinning head and the polishing stainless steel cylinder receiver, be that 18～30 ℃ and humidity are to carry out spinning 35～65% times in temperature; Wherein, the polysulfones spinning solution injects described stainless steel spinning head with the speed of 0.5～5ml/h under the effect of syringe pump, between the described polishing stainless steel cylinder receiver of described stainless steel spinning head and ground connection, apply the dc high voltage electric field of 12～20kV, the polysulfones spinning solution splits branch and produces jet at the tip of described stainless steel spinning head under the effect of static, on described polishing stainless steel cylinder receiver, obtain the nanofibre polymer film, drying finally obtains described polysulfones nanofibre polymer film; The thickness of described polysulfones nanofibre polymer film is 25～100 μ m; The diameter of described polysulfones nanofiber is 300～700nm; Polysulfones nanofiber and the porosity between the polysulfones nanofiber in the described polysulfones nanofibre polymer film are 45～75%;
The aperture in the hole that constitutes between described polysulfones nanofiber and the polysulfones nanofiber is 1～8 μ m.
6. method according to claim 5 is characterized in that: described polysulfones comprises polyether sulfone.
7. according to claim 5 or 6 described methods, it is characterized in that: the weight average molecular weight of described polysulfones is 75,000.
8. method according to claim 5 is characterized in that: the weight average molecular weight of described polyether sulfone is 53,500.
9. method according to claim 5 is characterized in that: described organic solvent is selected from N, dinethylformamide, N, at least a in the group that N-dimethylacetylamide, acetone are formed.
10. application according to any described polysulfones nanofibre polymer film of claim 1～4, it is characterized in that: described polysulfones nanofibre polymer film is used for preparing the filtering material of filtered air particulate, or is used to prepare the backing material of milipore filter, the backing material of NF membrane or the backing material of reverse osmosis membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010171466XA CN102240511A (en) | 2010-05-13 | 2010-05-13 | Polysulphone nanometer fiber polymer membrane and preparation method as well as application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010171466XA CN102240511A (en) | 2010-05-13 | 2010-05-13 | Polysulphone nanometer fiber polymer membrane and preparation method as well as application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102240511A true CN102240511A (en) | 2011-11-16 |
Family
ID=44958867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010171466XA Pending CN102240511A (en) | 2010-05-13 | 2010-05-13 | Polysulphone nanometer fiber polymer membrane and preparation method as well as application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102240511A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894747A (en) * | 2015-05-20 | 2015-09-09 | 苏州市贝克生物科技有限公司 | Polysulfone fiber hemodialysis membrane and preparation method thereof |
| CN105780167A (en) * | 2016-03-25 | 2016-07-20 | 陕西理工学院 | Aluminum oxide-based ceramic fiber spinning machine and spinning method |
| CN105854645A (en) * | 2016-06-28 | 2016-08-17 | 北京中科奥倍超声波技术研究院 | Preparation method of dedusting oxygen-rich composite membrane |
| CN105908364A (en) * | 2016-06-16 | 2016-08-31 | 南通那芙尔服饰有限公司 | Oil-water separation fiber membrane |
| WO2017132973A1 (en) * | 2016-02-05 | 2017-08-10 | Honeywell International Inc. | Reverse osmosis membrane and method of processing the same |
| CN108126526A (en) * | 2018-02-08 | 2018-06-08 | 苏州甫众塑胶有限公司 | A kind of high-temperature resistant and antistatic air-filtering membrane and preparation method thereof |
| JP2019077964A (en) * | 2017-10-25 | 2019-05-23 | 日本バイリーン株式会社 | Fiber sheet and method for producing fiber sheet |
| CN111068528A (en) * | 2019-12-31 | 2020-04-28 | 杭州帝凡过滤技术有限公司 | Nanofiber composite membrane with base material and preparation method thereof |
| CN112844069A (en) * | 2020-07-27 | 2021-05-28 | 山东振富医疗科技股份有限公司 | Method for manufacturing nano film and mask |
| CN114345139A (en) * | 2022-01-26 | 2022-04-15 | 南京理工大学 | Preparation method of separation-catalysis sequence ultrafiltration membrane using electrospun nanofiber as substrate |
-
2010
- 2010-05-13 CN CN201010171466XA patent/CN102240511A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 卢熙: "聚砜纳米纤维膜增韧环氧树脂体系的相分离", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894747A (en) * | 2015-05-20 | 2015-09-09 | 苏州市贝克生物科技有限公司 | Polysulfone fiber hemodialysis membrane and preparation method thereof |
| WO2017132973A1 (en) * | 2016-02-05 | 2017-08-10 | Honeywell International Inc. | Reverse osmosis membrane and method of processing the same |
| CN105780167A (en) * | 2016-03-25 | 2016-07-20 | 陕西理工学院 | Aluminum oxide-based ceramic fiber spinning machine and spinning method |
| CN105908364A (en) * | 2016-06-16 | 2016-08-31 | 南通那芙尔服饰有限公司 | Oil-water separation fiber membrane |
| CN105854645A (en) * | 2016-06-28 | 2016-08-17 | 北京中科奥倍超声波技术研究院 | Preparation method of dedusting oxygen-rich composite membrane |
| JP2019077964A (en) * | 2017-10-25 | 2019-05-23 | 日本バイリーン株式会社 | Fiber sheet and method for producing fiber sheet |
| JP7058493B2 (en) | 2017-10-25 | 2022-04-22 | 日本バイリーン株式会社 | Fiber sheet and manufacturing method of fiber sheet |
| CN108126526A (en) * | 2018-02-08 | 2018-06-08 | 苏州甫众塑胶有限公司 | A kind of high-temperature resistant and antistatic air-filtering membrane and preparation method thereof |
| CN111068528A (en) * | 2019-12-31 | 2020-04-28 | 杭州帝凡过滤技术有限公司 | Nanofiber composite membrane with base material and preparation method thereof |
| CN112844069A (en) * | 2020-07-27 | 2021-05-28 | 山东振富医疗科技股份有限公司 | Method for manufacturing nano film and mask |
| CN114345139A (en) * | 2022-01-26 | 2022-04-15 | 南京理工大学 | Preparation method of separation-catalysis sequence ultrafiltration membrane using electrospun nanofiber as substrate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102240511A (en) | Polysulphone nanometer fiber polymer membrane and preparation method as well as application thereof | |
| Tan et al. | A review on porous polymeric membrane preparation. Part I: production techniques with polysulfone and poly (vinylidene fluoride) | |
| Marino et al. | Polyethersulfone membranes prepared with RhodiasolvŪPolarclean as water soluble green solvent | |
| Wang et al. | Development of hydrophilic barrier layer on nanofibrous substrate as composite membrane via a facile route | |
| Yoon et al. | High flux ultrafiltration membranes based on electrospun nanofibrous PAN scaffolds and chitosan coating | |
| Ren et al. | Preparation of polymeric membranes | |
| Sun et al. | A slow–fast phase separation (SFPS) process to fabricate dual-layer hollow fiber substrates for thin-film composite (TFC) organic solvent nanofiltration (OSN) membranes | |
| Fashandi et al. | Comparative studies on the solvent quality and atmosphere humidity for electrospinning of nanoporous polyetherimide fibers | |
| Moradi et al. | Air gap membrane distillation for enrichment of H218O isotopomers in natural water using poly (vinylidene fluoride) nanofibrous membrane | |
| Wang et al. | Tri-bore ultra-filtration hollow fiber membranes with a novel triangle-shape outer geometry | |
| CN105727759A (en) | High-performance forward permeable membrane and electrostatic spinning preparation method thereof | |
| Alsalhy et al. | Hollow fiber ultrafiltration membranes from poly (vinyl chloride): preparation, morphologies, and properties | |
| Abid et al. | Desalination technologies, membrane distillation, and electrospinning, an overview | |
| Wang et al. | A novel approach to fabricate interconnected sponge-like and highly permeable polyvinylidene fluoride hollow fiber membranes for direct contact membrane distillation | |
| Lang et al. | Evolution of the precipitation kinetics, morphologies, permeation performances, and crystallization behaviors of polyvinylidenefluoride (PVDF) hollow fiber membrane by adding different molecular weight polyvinylpyrrolidone (PVP) | |
| Lau et al. | State-of-the-art organic-and inorganic-based hollow fiber membranes in liquid and gas applications: Looking back and beyond | |
| Zhao et al. | A novel composite microfiltration membrane: Structure and performance | |
| Kiani et al. | Preparation and characterization of polyphenylsulfone nanofibrous membranes for the potential use in liquid filtration | |
| JP2010240535A (en) | Hollow fiber membrane and method of manufacturing hollow fiber membrane | |
| Liu et al. | Structure design and performance study on homogeneous-reinforced polyvinyl chloride hollow fiber membranes | |
| Jung et al. | Microfiber aligned hollow fiber membranes from immiscible polymer solutions by phase inversion | |
| Li et al. | Study on the interfacial activation of dual surfactants in the process of forming porous membranes | |
| JP3698078B2 (en) | Method for producing asymmetric hollow fiber gas separation membrane | |
| Husain et al. | Macrovoids in hybrid organic/inorganic hollow fiber membranes | |
| Wu et al. | Effects of solvent sort, PES and PVP concentration on the properties and morphology of PVDF/PES blend hollow fiber membranes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING SHOUKE PENBO SCIENTIFIC DEVELOPMENT CO., L Free format text: FORMER OWNER: TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY, CAS Effective date: 20121023 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100190 HAIDIAN, BEIJING TO: 100041 SHIJINGSHAN, BEIJING |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20121023 Address after: 100041 Shougang Corporation, No. 174, ancient West Road, Beijing, Shijingshan District Applicant after: BEIJING SHOUKE PENBO TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 100190 Beijing, Zhongguancun, north of a No. 2, No. Applicant before: Technical Institute of Physics and Chemistry, CAS |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111116 |