CN105944580A - High-performance modified polysulfone membrane and preparation method thereof - Google Patents
High-performance modified polysulfone membrane and preparation method thereof Download PDFInfo
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- CN105944580A CN105944580A CN201610430257.XA CN201610430257A CN105944580A CN 105944580 A CN105944580 A CN 105944580A CN 201610430257 A CN201610430257 A CN 201610430257A CN 105944580 A CN105944580 A CN 105944580A
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/24—Mechanical properties, e.g. strength
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/30—Chemical resistance
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a high-performance modified polysulfone membrane and a preparation method thereof. The polysulfone membrane is prepared from, by weight, 30-50 parts of polysulfone resin, 10-20 parts of chloromethylated polysulfone, 2-5 parts of nylon, 3-10 parts of polyacrylonitrile, 55-80 parts of solvent, 15-30 parts of polyethylene glycol, 0.2-1.5 parts of nano samarium trichloride, 3-15 parts of polyaniline nanofibers, 0.5-2 parts of nano-zirconia and 0.2-1.5 parts of nano cerium oxide. According to the high-performance modified polysulfone membrane and the preparation method thereof, the obtained polysulfone membrane is good in stability and excellent in weather fastness and dirt resistance.
Description
Technical field
The present invention relates to technology field of membrane materials, particularly relate to a kind of high-performance modified polysulfone membrane and preparation side thereof
Method.
Background technology
Polysulfones material is a widely used membrane material of class, including polysulfones, polyether sulfone, PPSS etc.
And sulfonation or chloromethylation products, they have excellent heat stability, non-oxidizability and excellent machinery
Performance and prominent separating property, but there is also deficiency in performance, as poor in resistance tocrocking, weatherability is not
It is highly desirable etc., limits the application of polysulfones membrane material.
Summary of the invention
Based on background technology exist technical problem, the present invention propose a kind of high-performance modified polysulfone membrane and
Preparation method, the polysulfone membrane thermal stability obtained is good, and weather resistance and antifouling property are excellent.
The high-performance modified polysulfone membrane of one that the present invention proposes, its raw material includes by weight: polysulfone resin
30-50 part, chloromethyl polysulphone 10-20 part, nylon 2-5 part, polyacrylonitrile 3-10 part, solvent 55-80
Part, Polyethylene Glycol 15-30 part, nanometer Samarium chloride 0.2-1.5 part, polyaniline nano fiber 3-15 part,
Nano zircite 0.5-2 part, nano-cerium oxide 0.2-1.5 part.
Preferably, its raw material includes by weight: polysulfone resin 45 parts, chloromethyl polysulphone 13 parts, Buddhist nun
Dragon 3.8 parts, polyacrylonitrile 5.8 parts, solvent 75 parts, Polyethylene Glycol 20 parts, nanometer Samarium chloride 1 part,
Polyaniline nano fiber 12 parts, nano zircite 1.5 parts, nano-cerium oxide 1 part.
Preferably, described solvent be N-Methyl pyrrolidone, dimethyl sulfoxide, dimethyl acetylamide by weight
Than the mixture for 5-10:2-5:1-3；Solvent have selected N-Methyl pyrrolidone, dimethyl sulfoxide and two
The mixture of methylacetamide three, and by regulating the ratio of three, make maintaining polyaniline nano fiber
Making the polymer chains such as the polysulfone resin in system fully to unfold while structure, the thermodynamics that improve film is steady
Qualitative.
Preferably, the mean diameter of described nano zircite is 25-40nm；The average particle of described nano-cerium oxide
Footpath is 20-50nm.
Preferably, nano zircite is that monoclinic phase nano zircite, cubic phase nano zirconium oxide, Emission in Cubic are received
Rice zirconium oxide is by weight the mixture for 2-5:2-4:1-5.
The preparation method of a kind of described high-performance modified polysulfone membrane that the present invention also proposes, comprises the following steps:
Polysulfone resin, chloromethyl polysulphone, nylon, polyacrylonitrile are added in solvent after drying, after stirring
Add Polyethylene Glycol, nanometer Samarium chloride, polyaniline nano fiber, nano zircite and nano-cerium oxide,
Casting solution is obtained after stirring, deaeration after casting solution is filtered with non-woven fabrics, then apply on a glass,
Immerse gel film forming in water-bath in atmosphere after volatilization, take out after immersion and obtain described high-performance modified polysulfone membrane.
The high-performance modified polysulfone membrane of the present invention, in its raw material, with polysulfone resin as major ingredient, and adds chloromethane
Base polysulfones, nylon, polyacrylonitrile coordinate, and make the performance of four work in coordination with, are maintaining former rejection not
In the case of change, while improve pure water flux, add the chemical stability of film, improve the separation of film
Characteristic, improves the weatherability of film, stretch modulus, bending strength and elongation at break simultaneously, improves list
The defect that pure polysulfone resin weatherability is less desirable；Add polyaniline nano fiber so that polyaniline
Add on nanofiber strand solvation to anion, on the one hand increase the free body of nanofiber
Long-pending, on the other hand also can occupy the passage within part blend composite film, thus reduce permeability of the membrane energy,
Improve the selection performance of film, with Polyethylene Glycol, nanometer Samarium chloride, nano zircite and nano-cerium oxide
After cooperation, in promotion film, the formation of macropore maintains the uniformity of system simultaneously, improves the resistance tocrocking of film
Energy, resist chemical and microbial attack ability, improve the weatherability of film simultaneously, and improving cutting of film
The flux of film it is effectively increased while staying rate.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
The high-performance modified polysulfone membrane of one that the present invention proposes, its raw material includes by weight: polysulfone resin 50
Part, chloromethyl polysulphone 10 parts, nylon 5 parts, polyacrylonitrile 3 parts, solvent 80 parts, Polyethylene Glycol 15
Part, nanometer Samarium chloride 1.5 parts, polyaniline nano fiber 3 parts, nano zircite 2 parts, nano oxidized
Cerium 0.2 part.
Embodiment 2
The high-performance modified polysulfone membrane of one that the present invention proposes, its raw material includes by weight: polysulfone resin 30
Part, chloromethyl polysulphone 20 parts, nylon 2 parts, polyacrylonitrile 10 parts, solvent 55 parts, Polyethylene Glycol 30
Part, nanometer Samarium chloride 0.2 part, polyaniline nano fiber 15 parts, nano zircite 0.5 part, nano oxygen
Change cerium 1.5 parts.
Embodiment 3
The high-performance modified polysulfone membrane of one that the present invention proposes, its raw material includes by weight: polysulfone resin 38
Part, chloromethyl polysulphone 15 parts, nylon 3 parts, polyacrylonitrile 7 parts, solvent 60 parts, Polyethylene Glycol 23
Part, nanometer Samarium chloride 0.9 part, polyaniline nano fiber 13 parts, nano zircite 1 part, nano oxidized
Cerium 1.2 parts；
Wherein, described solvent be N-Methyl pyrrolidone, dimethyl sulfoxide, dimethyl acetylamide by weight
Mixture for 10:2:3；
The mean diameter of described nano zircite is 40nm；The mean diameter of described nano-cerium oxide is 20nm；
Described nano zircite is monoclinic phase nano zircite, cubic phase nano zirconium oxide, cubic-phase nano oxygen
Change zirconium by weight the mixture for 5:2:5.
Embodiment 4
The high-performance modified polysulfone membrane of one that the present invention proposes, its raw material includes by weight: polysulfone resin 45
Part, chloromethyl polysulphone 12 parts, nylon 4 parts, polyacrylonitrile 4.5 parts, solvent 77 parts, Polyethylene Glycol
19 parts, nanometer Samarium chloride 1.2 parts, polyaniline nano fiber 8 parts, nano zircite 1.6 parts, nanometer
Cerium oxide 0.8 part；
Wherein, described solvent be N-Methyl pyrrolidone, dimethyl sulfoxide, dimethyl acetylamide by weight
Mixture for 5:5:1；
The mean diameter of described nano zircite is 25nm；The mean diameter of described nano-cerium oxide is 50nm；
Described nano zircite is monoclinic phase nano zircite, cubic phase nano zirconium oxide, cubic-phase nano oxygen
Change zirconium by weight the mixture for 2:4:1.
Embodiment 5
The high-performance modified polysulfone membrane of one that the present invention proposes, its raw material includes by weight: polysulfone resin 45
Part, chloromethyl polysulphone 13 parts, nylon 3.8 parts, polyacrylonitrile 5.8 parts, solvent 75 parts, poly-second two
Alcohol 20 parts, nanometer Samarium chloride 1 part, polyaniline nano fiber 12 parts, nano zircite 1.5 parts, receive
Rice cerium oxide 1 part；
Wherein, described solvent be N-Methyl pyrrolidone, dimethyl sulfoxide, dimethyl acetylamide by weight
Mixture for 7:3:2；
The mean diameter of described nano zircite is 30nm；The mean diameter of described nano-cerium oxide is 35nm；
Described nano zircite is monoclinic phase nano zircite, cubic phase nano zirconium oxide, cubic-phase nano oxygen
Change zirconium by weight the mixture for 4:3:2.
The preparation method of a kind of described high-performance modified polysulfone membrane that the present invention proposes, comprises the following steps: will
Polysulfone resin, chloromethyl polysulphone, nylon, polyacrylonitrile add in solvent after drying, add after stirring
Enter Polyethylene Glycol, nanometer Samarium chloride, polyaniline nano fiber, nano zircite and nano-cerium oxide, stir
Casting solution is obtained after mixing uniformly, deaeration after casting solution is filtered with non-woven fabrics, then apply on a glass,
Immerse gel film forming in water-bath in atmosphere after volatilization, take out after immersion and obtain described high-performance modified polysulfone membrane.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (6)
1. a high-performance modified polysulfone membrane, it is characterised in that its raw material includes by weight: polysulfone resin
30-50 part, chloromethyl polysulphone 10-20 part, nylon 2-5 part, polyacrylonitrile 3-10 part, solvent 55-80
Part, Polyethylene Glycol 15-30 part, nanometer Samarium chloride 0.2-1.5 part, polyaniline nano fiber 3-15 part,
Nano zircite 0.5-2 part, nano-cerium oxide 0.2-1.5 part.
The most high-performance modified polysulfone membrane, it is characterised in that its raw material is by weight
Including: polysulfone resin 45 parts, chloromethyl polysulphone 13 parts, nylon 3.8 parts, polyacrylonitrile 5.8 parts,
Solvent 75 parts, Polyethylene Glycol 20 parts, nanometer Samarium chloride 1 part, polyaniline nano fiber 12 parts, nanometer
Zirconium oxide 1.5 parts, nano-cerium oxide 1 part.
High-performance modified polysulfone membrane the most according to claim 1 or claim 2, it is characterised in that described solvent is
N-Methyl pyrrolidone, dimethyl sulfoxide, dimethyl acetylamide are by weight mixing for 5-10:2-5:1-3
Compound.
4. according to polysulfone membrane high-performance modified according to any one of claim 1-3, it is characterised in that described
The mean diameter of nano zircite is 25-40nm；The mean diameter of described nano-cerium oxide is 20-50nm.
5. according to polysulfone membrane high-performance modified according to any one of claim 1-4, it is characterised in that nanometer
Zirconium oxide be monoclinic phase nano zircite, cubic phase nano zirconium oxide, cubic-phase nano zirconium oxide by weight
Mixture for 2-5:2-4:1-5.
6. a preparation method for high-performance modified polysulfone membrane as according to any one of claim 1-5, it is special
Levy and be, comprise the following steps: by dried to polysulfone resin, chloromethyl polysulphone, nylon, polyacrylonitrile
Add in solvent, be stirring evenly and then adding into Polyethylene Glycol, nanometer Samarium chloride, polyaniline nano fiber, receive
Rice zirconium oxide and nano-cerium oxide, obtain casting solution after stirring, de-after being filtered with non-woven fabrics by casting solution
Bubble, then applies on a glass, immerses gel film forming in water-bath in atmosphere, take out after immersion after volatilization
Obtain described high-performance modified polysulfone membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430257.XA CN105944580A (en) | 2016-06-17 | 2016-06-17 | High-performance modified polysulfone membrane and preparation method thereof |
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| CN201610430257.XA CN105944580A (en) | 2016-06-17 | 2016-06-17 | High-performance modified polysulfone membrane and preparation method thereof |
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| CN105944580A true CN105944580A (en) | 2016-09-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670516A (en) * | 2017-11-09 | 2018-02-09 | 北京工业大学 | The super hydrophilic cerous carbonate of mineralising/polyelectrolyte NF membrane in situ and preparation method thereof |
| CN114558461A (en) * | 2022-03-21 | 2022-05-31 | 合肥九号线传媒科技有限公司 | Organic-inorganic composite conductive filter membrane and preparation method thereof |
-
2016
- 2016-06-17 CN CN201610430257.XA patent/CN105944580A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670516A (en) * | 2017-11-09 | 2018-02-09 | 北京工业大学 | The super hydrophilic cerous carbonate of mineralising/polyelectrolyte NF membrane in situ and preparation method thereof |
| CN107670516B (en) * | 2017-11-09 | 2020-11-27 | 北京工业大学 | In-situ mineralized super-hydrophilic cerium carbonate/polyelectrolyte nanofiltration membrane and preparation method thereof |
| CN114558461A (en) * | 2022-03-21 | 2022-05-31 | 合肥九号线传媒科技有限公司 | Organic-inorganic composite conductive filter membrane and preparation method thereof |
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Application publication date: 20160921 |
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