CN106310959A - Preparation method of hydrophilic polyarylether sulphone film - Google Patents
Preparation method of hydrophilic polyarylether sulphone film Download PDFInfo
- Publication number
- CN106310959A CN106310959A CN201610831323.4A CN201610831323A CN106310959A CN 106310959 A CN106310959 A CN 106310959A CN 201610831323 A CN201610831323 A CN 201610831323A CN 106310959 A CN106310959 A CN 106310959A
- Authority
- CN
- China
- Prior art keywords
- film
- preparation
- polyether sulphone
- hydrophilic
- hydrophilic polyether
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/06—Flat membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- External Artificial Organs (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Abstract
The invention discloses a preparation method of a hydrophilic polyarylether sulphone film. The preparation method includes that a proton abstraction agent is added to enable polyarylether sulphone to directly react with a hydrophilic hydroxyl polymer, so that a hydrophilic polyarylether sulphone segmented copolymer is generated in situ; a reaction liquid is subjected to phase inversion so as to obtain the hydrophilic polyarylether sulphone film. The preparation method of the hydrophilic polyarylether sulphone film omits the steps of precipitation, filtration and drying for preparing a traditional hydrophilic modifying agent and has the advantages of low cost and convenience in operation.
Description
Technical field
The present invention relates to membrance separation field, particularly to the preparation method of a kind of hydrophilic polyether sulphone film.
Background technology
Polyether sulphone is that a class main chain contains aryl oxide and the high performance engineering plastics of sulfuryl structure, good mechanical property, has
The performances such as good insulating properties, thermostability, chemical resistance, resistant to the sterilising, are the most excellent a kind of separation membrane materials,
Through being widely used in the fields such as purifying water process, blood purification, medical separation.But, polyether sulphone has stronger hydrophobicity, by it
The separation membrane surface hydrophobicity of preparation is the strongest, and this makes the resistance tocrocking of polyether sulphone film and biocompatibility poor, limits
The effect of its application and scope.
Hydrophilic polyether sulphone film has the biggest advantage, so relevant preparation method research and report are a lot,
The method having wide application prospects is during inversion of phases masking, adds hydrophilic modifying agent, hydrophilic modifying agent in casting solution
Enrichment on film surface is so that hydrophilic is greatly improved.The selection of hydrophilic modifying agent is the most crucial, can be conventional energy
Purchase the amphiphilic surfactant arrived in a large number, it is also possible to be the molecule of the ad hoc structure of laboratory synthesis.Chinese patent
CN104258745A uses anion surfactant and hydrophilic nanoparticles to carry out hydrophilically modified to poly (ether sulfone) film；China
Patent CN102921317 uses distribution to use cationic surfactant, anion surfactant and non-ionic surface active
Agent is hydrophilic modifying agent, prepares hydrophilic polysulfone membrane；Chinese patent CN101530753B uses polysulfones and the grafting of Polyethylene Glycol
Copolymer carries out the hydrophilically modified of polysulfone membrane.Comparatively speaking, according to membrane formation mechanism and molecule inter-chain action rule, to modifying agent
Structure and composition is designed and synthesizes, it is easier to prepare the hydrophilic film of excellent performance, but the synthesis of modifying agent, precipitation,
Purify and dry run is the most more complicated, considerably increase cost.
Summary of the invention
The shortcoming that present invention aim to address hydrophilic modifying agent preparation process, it is provided that a kind of simple, efficiently, low cost,
Pollute the preparation method of few hydrophilic polyether sulphone film.
The technical solution used in the present invention is:
The preparation method of a kind of hydrophilic polyether sulphone film provided, comprises the steps: polyether sulphone and hydroxyl
Polymer dissolves in a solvent, adds proton-removed agent, and at a temperature of 10～80 DEG C, stirring reaction terminates anti-after 0.2～48 hour
Should, obtain casting solution, prepare hydrophilic polyether sulphone film by phase inversion.
Described proton-removed agent is a kind of or the most two or more mixture in alkali metal or alkali metal hydride.
Described polyether sulphone refers to containing sulfuryl and the polymer of aryl oxide structure, has a following structural formula:
Wherein:
R1 is:
R2 is:
R3 is:
In formula, a+b=1；0 < a≤1,0≤b < 1；N is the integer more than 1.
Specifically, polyether sulphone mainly includes polysulfones, polyether sulfone, polyarylsulfone (PAS), diazanaphthalene biphenyl base polyether sulfone, phenolphthalein
Base polyether sulfone etc..
The structural formula of the most several polymer is specific as follows:
Polysulfones
Polyether sulfone
Polyarylsulfone (PAS)
Phenolphthalein polyethersulfone
Diazanaphthalene biphenyl base polyether sulfone
Described hydroxyl polymer-containing is the polymer containing one or more hydroxyls, gathers including Polyethylene Glycol, monohydroxy
Ethylene glycol, polypropylene glycol, PEP-101, hydroxy-terminated polytetrahydrofuran, polyvinyl alcohol and ethylene-vinyl
Alcohol copolymer.
Described alkali metal is selected from lithium, sodium, potassium and rubidium.
The proton-removed agent of the present invention mainly has the hydroxyl reaction of hydroxyl polymer-containing, promotes its anti-with polyether sulphone
Should.After having reacted, adding terminator and terminate reaction in reactant liquor, described terminator is any inorganic acid or organic acid,
The amount of terminator is typically as the criterion with the acidity of neutralization reactant liquor.
After above-mentioned reaction completes, can add other additive in casting solution, described additive includes poly-second two
One or both mixture in alcohol or polyvinylpyrrolidone.Polyethylene Glycol is generally as the porogen of masking, permissible
Adjustment aperture, improves porosity and the hole connectivity of film, improves flux.The Polyethylene Glycol of different molecular weight can play different
Hole regulation effect, it is possible to select the Polyethylene Glycol of different molecular weight.Polyvinylpyrrolidone is also a kind of water-soluble polymeric
Thing, except pore effect, moreover it is possible to improve the hydrophilic on surface, so adding polyvinylpyrrolidone, Ke Yijin in casting solution
One step improves hydrophilic.
In addition to two kinds of above additives, it is also possible to add other ionic surfactant in casting solution, as
Anion surfactant or cationic surfactant.Having more document to report, ionic surfactant can be very big
Ground improves the antifouling property of film.
Described hydroxyl polymer-containing is 0.1～3:1 with the mass ratio of polyether sulphone, described proton-removed agent and hydroxyl
The mole ratio of the hydroxyl of polymer is 0.01～10:1.
Described solvent is sulfolane, dimethyl sulfoxide, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, tetrahydrochysene
The quality of a kind of or the most two or more mixture in furan or N-Methyl pyrrolidone, described polyether sulphone and solvent
Ratio is 0.1～0.6:1.
Preferably, casting solution prepared by the present invention may need to carry out containing impurity such as some insoluble salts
Remove, typically can be removed by the method filtered.
The hydrophilic polyether sulphone film of the present invention is prepared by inversion of phases process, and casting solution is the most first formed a setting
The liquid film of shape, then immerse film forming in coagulating bath, this film can be flat board, it is also possible to be hollow-fibre membrane.By casting solution with scraping
Film machine is evenly applied on backing material, is immersed by backing material in coagulating bath, can obtain Flat Membrane.When backing material is nothing
When spinning cloth, obtain is composite flat membrane, and when backing material is glass plate or steel plate, then can obtain self-supporting flat board
Film.Use dry-wet spinning technique, casting solution is extruded by spinning nozzle, is immersed in coagulating bath, doughnut can be obtained
Film.
During inversion of phases, need membrance casting condition is controlled, the condition of control and method and traditional routine side
Method is the same, including temperature and the composition of coagulating bath, liquid film evaporation time, the composition of core liquid, the speed etc. of spinning.
After hydrophilic polyether sulphone film preparation out, more solvent or additive can be contained in inside, can enter with water etc.
Row cleans, and removes these Organic substances.
Hydrophilic polyether sulphone film prepared by the present invention is mainly used at Domestic water purifying process, water treatment, sewage
Reason, hemodialysis, blood filtration, medical separation, bio-separation, Food processing etc..
The main advantage of the present invention is the preparation of amphipathic modifying agent and casting solution preparation to be combined, and greatly reduces
Laboratory operating procedures, reduces cost.The preparation method of amphipathic modifying agent is a lot, but these preparation methoies are difficult to and casting film
Liquid process for preparation combines, and is primarily due to course of reaction step the most, needs repeatedly to purify the removal of impurity.And the present invention carries
The reaction utilizing polyether sulphone and hydroxyl polymer-containing gone out, course of reaction is very simple, also produces without obvious by-product, so
Can organically combine with casting solution process for preparation.
Further, since the hydroxyl polymer-containing range of choice is wide, and every kind of hydroxyl polymer-containing has the different molecular weight can
To select, it is possible to prepare the hydrophilic polyether sulphone film of different performance.If selecting hydrophobic hydroxyl polymer-containing, as
Hydroxy-terminated polysiloxane, end hydroxy butadiene etc., then can obtain hydrophobic modified polyarylether sulfone film.Prepared is hydrophilic
Property polyether sulphone film there is the advantages such as good chemical stability, heat stability, pH stability, resistant to the sterilising, be a kind of important
High-performance separation film.
The superiority of the present invention is also manifested by: preparation method of the present invention, and reaction temperature is relatively low, reaction condition temperature
With, easy and simple to handle, it is easy to control.
Comprehensive, the method that the present invention provides is a kind of system being prone to the hydrophilic polyether sulphone film that large-scale production is applied
Preparation Method.
Accompanying drawing explanation
Fig. 1 is the infrared light of the poly ethyldiol modified polysulfone membrane prepared by embodiment 1 and the polysulfone membrane prepared by reference examples
Spectrogram；
Fig. 2 is poly ethyldiol modified polysulfone membrane prepared by embodiment 1 and dynamically the connecing of the polysulfone membrane prepared by reference examples
Feeler variation diagram；
Fig. 3 is the protein of the poly ethyldiol modified polysulfone membrane prepared by embodiment 1 and the polysulfone membrane prepared by reference examples
Absorption spirogram.
Detailed description of the invention
Describe the present invention below in conjunction with embodiment and accompanying drawing, but this should be interpreted as involved in the present invention
The scope of theme is only limitted to following embodiment, and all technology realized based on the description below belong to the scope of protection of the invention.
Reference examples: polysulfone membrane
The Polyethylene Glycol (molecular weight is 10000g/mol) of 75g polysulfones and 50g (containing 10mmol hydroxyl) is joined 350g
N,N-dimethylacetamide in, at 80 DEG C, mechanical agitation is allowed to dissolve completely for 5 hours, is cooled to room temperature.In reactant liquor
Adding 25g Polyethylene Glycol (molecular weight is 200g/mol), continue stirring 1 hour, reactant liquor, through filtration, deaeration, uses knifing machine
Being coated on non-woven fabrics, after placing 20 seconds, put into coagulating bath film forming in air, coagulating bath is pure water, and temperature is 40 DEG C.Film is used
Clean water 24 hours, obtains polysulfone membrane, the surface contact angle of this film be the water flux under 88 degree, 0.1MPa be 10L/h/m2,
Rejection to bovine serum albumin is 92%.
Embodiment 1: poly ethyldiol modified polysulfone membrane
The Polyethylene Glycol (molecular weight is 10000g/mol) of 75g polysulfones and 50g (containing 10mmol hydroxyl) is joined 350g
N,N-dimethylacetamide in, at 80 DEG C, mechanical agitation is allowed to dissolve completely for 5 hours, is cooled to room temperature.Add 0.276g
Sodium (12mmol) is as proton-removed agent, and at 30 DEG C, stirring is reacted 12 hours, continues stirring 1 after dripping dilute hydrochloric acid in reaction system
Hour terminate reaction.In reactant liquor, add 25g Polyethylene Glycol (molecular weight is 200g/mol), continue stirring 1 hour, reactant liquor
Through filtering, deaeration, it is coated on non-woven fabrics with knifing machine, after air is placed 20 seconds, puts into coagulating bath film forming, coagulating bath is
Pure water, temperature is 40 DEG C.By film clean water 24 hours, obtain poly ethyldiol modified polysulfone membrane, the surface contact angle of this film
Be the water flux under 36 degree, 0.1MPa be 240L/h/m2, the rejection to bovine serum albumin is 95%.
The infrared spectrogram of the poly ethyldiol modified polysulfone membrane that this embodiment prepares is shown in Fig. 1, compared to the polysulfones of reference examples
Film, it can be seen that at 2870cm-1And 1103cm-1Place occurs in that new obvious absworption peak, and this is in Polyethylene Glycol segment respectively
-CH-stretching vibration absworption peak and-COC-asymmetric contraction vibration absorption peak, this explanation polyglycol chain be stably to fix
On film.
The dynamic contact angle figure of the poly ethyldiol modified polysulfone membrane that this embodiment prepares is shown in Fig. 2, gathering compared to reference examples
Sulfone film, it can be seen that modified polysulfone membrane is very easy to be flooded profit, and the polysulfone membrane of reference examples is then little to be infiltrated.
The surface protein adsorbance of the poly ethyldiol modified polysulfone membrane that this embodiment prepares is shown in Fig. 3, compared to reference examples
Polysulfone membrane, it can be seen that the protein adsorption amount on modified polysulfone film surface significantly reduces, and this is very beneficial for preventing filtered
Journey is contaminated.
Embodiment 2: poly ethyldiol modified ps hollow fiber uf membrane
The Polyethylene Glycol (molecular weight is 10000g/mol) of 75g polysulfones and 50g (containing 10mmol hydroxyl) is joined 350g
N,N-dimethylacetamide in, at 80 DEG C, mechanical agitation is allowed to dissolve completely for 5 hours, is cooled to room temperature.Add 0.276g
Sodium (12mmol) is as proton-removed agent, and at 30 DEG C, stirring is reacted 12 hours, continues stirring 1 after dripping dilute hydrochloric acid in reaction system
Hour terminate reaction.In reactant liquor, add 25g Polyethylene Glycol (molecular weight is 200g/mol), continue stirring 1 hour, reactant liquor
Through filtering, deaeration, obtain hollow-fibre membrane by spinning-drawing machine, core liquid and coagulation bath composition are all pure water, and temperature is 40 DEG C.Will
Film clean water 24 hours, obtains poly ethyldiol modified ps hollow fiber uf membrane, and the surface contact angle of this film is 40 degree,
Water flux under 0.1MPa is 185L/h/m2, the rejection to bovine serum albumin is 91%.
Embodiment 3: PEP-101 modified polysulfone film
By the PEP-101 of 50g polysulfones and 150g (containing 23.8mmol hydroxyl), (molecular weight is
12600g/mol) joining in the dimethyl sulfoxide of 300g, at 80 DEG C, mechanical agitation is allowed to dissolve completely for 7 hours, is cooled to
Room temperature.Addition 0.093g potassium (2.38mmol) is as proton-removed agent, and at 80 DEG C, stirring is reacted 0.2 hour, and reactant liquor passes through and filters,
Deaeration, coats on a glass with knifing machine, after placing 10 seconds, puts into coagulating bath film forming in air, and coagulating bath is pure water, temperature
It it is 50 DEG C.By film clean water 24 hours, obtain PEP-101 modified polysulfone film, the surface of this film
Contact angle be the water flux under 35 degree, 0.1MPa be 2100L/h/m2, the rejection to bovine serum albumin is 30%.
Embodiment 4: poly ethyldiol modified polysulfone membrane
The Polyethylene Glycol (molecular weight is 20000g/mol) of 150g polysulfones and 15g (containing 1.5mmol hydroxyl) is joined
In the N,N-dimethylacetamide of 285g, at 80 DEG C, mechanical agitation is allowed to dissolve completely for 5 hours, is cooled to room temperature.Add
0.36g sodium hydride (15mmol) is as proton-removed agent, and stirring reaction 1 hour at 10 DEG C, in reaction system, dropping formic acid is follow-up
Continuous stirring terminates reaction in 2 hours.In reactant liquor, add 50g Polyethylene Glycol (molecular weight is 200g/mol), continue stirring 3 little
Time, reactant liquor, through filtration, deaeration, coats on stainless steel with knifing machine, after placing 30 seconds, puts into coagulating bath in air
Film, coagulating bath is the N,N-dimethylacetamide of 10%, and temperature is 40 DEG C.By film clean water 24 hours, obtain poly-second two
Alcohol modified polysulfone film, the surface contact angle of this film be the water flux under 43 degree, 0.1MPa be 110L/h/m2, to bovine serum albumin
White rejection is 88%.
Embodiment 5: polypropylene glycol modified poly (ether sulfone) film
The Polyethylene Glycol (molecular weight is 2000g/mol) of 90g polyether sulfone and 50g (containing 50mmol hydroxyl) is joined 285g
DMF in, at 80 DEG C, mechanical agitation is allowed to dissolve completely for 3 hours, is cooled to room temperature.Add 0.07g lithium
(10mmol) as proton-removed agent, stirring reaction 48 hours at 20 DEG C, continue stirring 1 hour after dripping acetic acid in reaction system
Terminate reaction.Adding 75g Polyethylene Glycol (molecular weight is 400g/mol) in reactant liquor, continue stirring 1 hour, reactant liquor passes through
Filtering, deaeration, be coated on non-woven fabrics with knifing machine, after placing 30 seconds, put into coagulating bath film forming in air, coagulating bath is pure
Water, temperature is 40 DEG C.By film clean water 24 hours, obtain polypropylene glycol modified poly (ether sulfone) film, the surface contact angle of this film
Be the water flux under 62 degree, 0.1MPa be 200L/h/m2, the rejection to bovine serum albumin is 86%.
Embodiment 6: PolyTHF modification polyarylsulfone (PAS) film
The PolyTHF (molecular weight is 5000g/mol) of 75g polyarylsulfone (PAS) and 60g (containing 24mmol hydroxyl) is joined
In the N,N-dimethylacetamide of 315g, at 80 DEG C, mechanical agitation is allowed to dissolve completely for 10 hours, is cooled to room temperature.Add
0.05g lithium hydride (6mmol) is as proton-removed agent, and stirring reaction 12 hours at 60 DEG C, after dripping dilute hydrochloric acid in reaction system
Continue stirring and terminate reaction in 2 hours.In reactant liquor, add 50g Polyethylene Glycol (molecular weight is 2000g/mol), continue stirring 2
Hour, reactant liquor, through filtration, deaeration, is coated on non-woven fabrics with knifing machine, after placing 30 seconds, puts into coagulating bath in air
Film, coagulating bath is pure water, and temperature is 40 DEG C.By film clean water 24 hours, obtain PolyTHF modification polyarylsulfone (PAS) film, should
The surface contact angle of film be the water flux under 70 degree, 0.1MPa be 77L/h/m2, the rejection to bovine serum albumin is 72%.
Embodiment 7: polyvinyl alcohol modification phenolphthalein polyethersulfone film
The polyvinyl alcohol of 100g phenolphthalein polyethersulfone and 44g is joined in the N-Methyl pyrrolidone of 275g, at 80 DEG C
Lower mechanical agitation is allowed to dissolve completely for 6 hours, is cooled to room temperature.Add 0.455g hydrofining (11.4mmol) as deprotonation
Agent, stirring reaction 8 hours at 60 DEG C.In reactant liquor, add 75g polyvinylpyrrolidone, continue stirring 0.5 hour, reactant liquor
Through filtering, deaeration, it is coated on non-woven fabrics with knifing machine, after air is placed 30 seconds, puts into coagulating bath film forming, coagulating bath is
Pure water, temperature is 40 DEG C.By film clean water 24 hours, obtain polyvinyl alcohol modification phenolphthalein polyethersulfone film, the table of this film
Face contact angle be the water flux under 35 degree, 0.1MPa be 470L/h/m2, the rejection to bovine serum albumin is 54%.
Claims (10)
1. the preparation method of a hydrophilic polyether sulphone film, it is characterised in that comprise the steps: by polyether sulphone with containing hydroxyl
Based polyalcohol dissolves in a solvent, adds proton-removed agent, and at a temperature of 10～80 DEG C, stirring reaction terminates anti-after 0.2～48 hour
Should, obtain casting solution, prepare hydrophilic polyether sulphone film by phase inversion；
Described proton-removed agent is a kind of or the most two or more mixture in alkali metal or alkali metal hydride.
2. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that described polyether sulphone is
Refer to that containing sulfuryl and the polymer of aryl oxide structure there is following structural formula:
Wherein:
R1 is:
R2 is:
R3 is:
In formula, a+b=1；0 < a≤1,0≤b < 1；N is the integer more than 1.
3. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that described hydroxyl polymerization
Thing is the polymer containing one or more hydroxyls, including Polyethylene Glycol, monohydroxy Polyethylene Glycol, polypropylene glycol, oxirane-
Epoxy propane copolymer, hydroxy-terminated polytetrahydrofuran, polyvinyl alcohol and ethylene-vinyl alcohol copolymer.
4. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that described alkali metal is selected from
Lithium, sodium, potassium and rubidium.
5. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that add in described reaction
Terminator terminates reaction, and described terminator is any inorganic acid or organic acid.
6. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that add in described casting solution
Entering additive, described additive includes one or both the mixture in Polyethylene Glycol or polyvinylpyrrolidone.
7. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that described hydroxyl polymerization
Thing is 0.1～3:1 with the mass ratio of polyether sulphone, and described proton-removed agent with the mole ratio of the hydroxyl of hydroxyl polymer-containing is
0.01～10:1.
8. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that described solvent is ring fourth
In sulfone, dimethyl sulfoxide, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, oxolane or N-Methyl pyrrolidone
A kind of or the most two or more mixture, described polyether sulphone is 0.1～0.6:1 with the mass ratio of solvent.
9. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that described casting solution is in phase
Also include before conversion method in the solution step of insoluble impurities is filtered to remove.
10. the preparation method of hydrophilic polyether sulphone film as claimed in claim 1, it is characterised in that described phase inversion
Backing material, for be evenly applied on backing material by casting solution knifing machine, is immersed in coagulating bath, obtains Flat Membrane by process；
Or use dry-wet spinning technique, casting solution is extruded by spinning nozzle, is immersed in coagulating bath, obtains hollow-fibre membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831323.4A CN106310959A (en) | 2016-09-19 | 2016-09-19 | Preparation method of hydrophilic polyarylether sulphone film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831323.4A CN106310959A (en) | 2016-09-19 | 2016-09-19 | Preparation method of hydrophilic polyarylether sulphone film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106310959A true CN106310959A (en) | 2017-01-11 |
Family
ID=57787395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610831323.4A Pending CN106310959A (en) | 2016-09-19 | 2016-09-19 | Preparation method of hydrophilic polyarylether sulphone film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106310959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052178A (en) * | 2019-05-23 | 2019-07-26 | 中国科学院长春应用化学研究所 | A kind of high tolerance organic solvent seperation film and preparation method thereof |
| CN113451641A (en) * | 2020-03-25 | 2021-09-28 | 成均馆大学校产学协力团 | Electrolyte membrane for lithium secondary battery, and method for producing membrane-electrode structure for lithium secondary battery using same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102600739A (en) * | 2011-01-25 | 2012-07-25 | 宁波大学 | Hollow fiber separation membrane and preparation method thereof |
| CN102634034A (en) * | 2012-03-22 | 2012-08-15 | 浙江大学 | Preparation method for modified polyarylether |
-
2016
- 2016-09-19 CN CN201610831323.4A patent/CN106310959A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102600739A (en) * | 2011-01-25 | 2012-07-25 | 宁波大学 | Hollow fiber separation membrane and preparation method thereof |
| CN102634034A (en) * | 2012-03-22 | 2012-08-15 | 浙江大学 | Preparation method for modified polyarylether |
Non-Patent Citations (1)
| Title |
|---|
| LINGHUI WANG 等: "A facile transetherification route to polysulfone-poly(ethylene glycol) amphiphilic blockcopolymers with improved protein resistance", 《POLYMER CHEMISTRY》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052178A (en) * | 2019-05-23 | 2019-07-26 | 中国科学院长春应用化学研究所 | A kind of high tolerance organic solvent seperation film and preparation method thereof |
| CN113451641A (en) * | 2020-03-25 | 2021-09-28 | 成均馆大学校产学协力团 | Electrolyte membrane for lithium secondary battery, and method for producing membrane-electrode structure for lithium secondary battery using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104248918B (en) | A kind of method that semi-intercrossing network method prepares hydrophilic anti-pollution composite hyperfiltration membrane | |
| CN103706266B (en) | In-situ polymerization micro-PVPP modified poly (ether-sulfone) hollow-fibre membrane and its production and use | |
| CN105771703B (en) | A kind of preparation method of the compound forward osmosis membrane of polyethers sulfuryl | |
| CN101979132A (en) | Method for preparing asymmetric nanofiltration membrane by blending polyether sulfone and sulfonated polysulfone high polymers | |
| CN106076127A (en) | A kind of inner support hollow-fibre membrane and its preparation method and application | |
| Zhang et al. | Preparation of sulfonated poly (phthalazinone ether sulfone ketone) composite nanofiltration membrane | |
| CN104607063B (en) | PVDF permanently hydrophilic ultrafiltration membrane and modification method thereof | |
| CN108295677B (en) | A kind of modification of chitosan/sulfonated polyether sulfone cation-exchange membrane and preparation method thereof | |
| CN107362698B (en) | Preparation method and application of lasting hydrophilic polyvinylidene fluoride membrane | |
| CN106693706B (en) | A kind of nanofiltration membrane, preparation method and application | |
| CN101485961B (en) | Method for preparing polyvinylidene fluoride hollow fiber alloy film | |
| CN100400144C (en) | Production of liquid separating film | |
| CN105597552A (en) | Forward osmosis membrane with high water flux and high salt rejection rate and method for preparing forward osmosis membrane with one-step method | |
| CN105013355B (en) | Heparan polyether sulphone hollow fibre film and preparation method thereof and purposes | |
| CN106139928B (en) | Endotoxin filter membrane and its manufacturing method in a kind of dialyzate water | |
| EP2626127B1 (en) | Polyazole membrane for water purification | |
| CN106474942A (en) | The preparation method of hollow fiber ultrafiltration membrane | |
| CN104209024A (en) | Polyarylenesulfidesulfone/sulfonated polymer composite separation membrane and preparation method thereof | |
| CN106310959A (en) | Preparation method of hydrophilic polyarylether sulphone film | |
| CN101380550B (en) | Preparation method of polyvinylidene fluoride/polyethersulfone/cellulose derivative blended membrane | |
| CN103406034A (en) | Preparation method of polyether block amide microporous film for film distillation process | |
| CN112808019B (en) | Method for preparing polyaryletherketone tubular membrane by using green solvent thermal-induced phase method | |
| CN109173753A (en) | Casting solution, ultrafiltration membrane, reverse osmosis composite membrane or Nano filtering composite membrane | |
| CN116212640A (en) | Preparation method of quaternized and sulfonated polyethersulfone ultrafiltration membrane | |
| CN114259877B (en) | Preparation method of PVC/EVOH binary blending flat ultrafiltration membrane with sponge pore structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |
|
| RJ01 | Rejection of invention patent application after publication |