CN109806779A - A kind of preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane - Google Patents
A kind of preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane Download PDFInfo
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- CN109806779A CN109806779A CN201910172901.1A CN201910172901A CN109806779A CN 109806779 A CN109806779 A CN 109806779A CN 201910172901 A CN201910172901 A CN 201910172901A CN 109806779 A CN109806779 A CN 109806779A
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- hollow fiber
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Abstract
The invention discloses a kind of preparation methods of Polyethersulfone Hollow Fiber Plasma gas separation membrane, the each raw material component for preparing hollow fiber spinning stoste is added to by a certain percentage in the container containing blender first, it is stirred at room temperature uniformly, using obtained spinning solution after filtering, deaeration processing；Spinning solution metering pump obtained is squeezed out through the hollow fiber spinneret of two concentric circles, as-spun fibre in air after the distance of 1-20cm in 1-12 DEG C of water-bath of low temperature coagulation forming, then obtain doughnut after wire drawing wheel drawing-off winding；Doughnut obtained is washed 2-4 days, then obtain Ho llow fiber membrane for gas separation after exchange of solvent, drying process.This method preparation is easy, easy to operate, gas selection separating property is high, and easily realizes industrialization.
Description
Technical field
The present invention relates to technical field of membrane separation more particularly to a kind of preparation sides of Polyethersulfone Hollow Fiber Plasma gas separation membrane
Method.
Background technique
Polyether sulfone (Polyethersulfone, PES) is also known as Poly-s 179 or polyarylether alum, is a kind of excellent combination property
Thermoplastic macromolecule material, be one of the special engineering plastics few in number being applied at present, be known as first it is comprehensive
The special engineering plastics of high heat distortion temperature, high impact and excellent formability are closed.
It is many come the report for carrying out gas separation using Polyethersulfone Hollow Fiber Plasma, and scheme according to prior art, polyethers
Coagulation bath temperature used in sulfone hollow fiber spinning process is usually room temperature (25 DEG C), and hollow-fibre membrane obtained in this way is very
It is difficult to keep the highly selective of oxygen and nitrogen, carbon dioxide and nitrogen and carbon dioxide and methane simultaneously, application range by
Considerable restraint.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane, this method preparation letters
Just, easy to operate, gas selection separating property height, and easily realize industrialization.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane, which comprises
The each raw material component for preparing hollow fiber spinning stoste is added to by a certain percentage containing blender by step 1
In container, it is stirred at room temperature uniformly, using obtained spinning solution after filtering, deaeration processing；
Step 2 squeezes out spinning solution metering pump obtained through the hollow fiber spinneret of two concentric circles, fibre of coming into being
Dimension in air after the distance of 1-20cm in 1-12 DEG C of water-bath of low temperature coagulation forming, then through wire drawing wheel drawing-off winding after
To doughnut；
Doughnut obtained is washed 2-4 days, then obtains doughnut gas after exchange of solvent, drying process by step 3
Body seperation film.
In step 1, each raw material component includes polyether sulfone, solvent and pore former, and is mixed according to following weight ratio:
Polyether sulfone 20-37%；Solvent 40-70%；Pore former 0.5-25%.
The solvent includes N-Methyl pyrrolidone, dimethylformamide, dimethyl acetamide and dimethyl sulfoxide solvent
One of or it is a variety of.
The pore former includes one of diglycol, polyvinylpyrrolidone and polyethylene glycol or a variety of.
In step 2, the extruded velocity of spinning solution is 1-10ml/min；Wire drawing wheel winding speed is 5-20m/min.
The outer diameter of obtained doughnut is 300-900 μm in step 2, and internal diameter is 200-600 μm.
Obtained Ho llow fiber membrane for gas separation uses Silicone Rubber Coated in step 3.
As seen from the above technical solution provided by the invention, the above method prepares easy, easy to operate, gas selection
Separating property is high, and easily realizes industrialization.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the preparation method flow diagram of Polyethersulfone Hollow Fiber Plasma gas separation membrane provided in an embodiment of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing, is implemented as shown in Figure 1 for the present invention
The preparation method flow diagram for the Polyethersulfone Hollow Fiber Plasma gas separation membrane that example provides, which comprises
The each raw material component for preparing hollow fiber spinning stoste is added to by a certain percentage containing blender by step 1
In container, it is stirred at room temperature uniformly, using obtained spinning solution after filtering, deaeration processing；
In step 1, each raw material component includes polyether sulfone, solvent and pore former, and is mixed according to following weight ratio:
Polyether sulfone 20-37%；Solvent 40-70%；Pore former 0.5-25%.
In the specific implementation, used solvent include N-Methyl pyrrolidone, dimethylformamide, dimethyl acetamide and
One of dimethyl sulfoxide solvent is a variety of.
Used pore former includes one in diglycol (diethylene glycol (DEG)), polyvinylpyrrolidone and polyethylene glycol
Kind is a variety of.
Step 2 squeezes out spinning solution metering pump obtained through the hollow fiber spinneret of two concentric circles, fibre of coming into being
Dimension in air after the distance of 1-20cm in 1-12 DEG C of water-bath of low temperature coagulation forming, then through wire drawing wheel drawing-off winding after
To doughnut；
In this step, the extruded velocity of spinning solution is 1-10ml/min；Wire drawing wheel winding speed is 5-20m/min.
The outer diameter of obtained doughnut is 300-900 μm, and internal diameter is 200-600 μm.
Doughnut obtained is washed 2-4 days, then obtains doughnut gas after exchange of solvent, drying process by step 3
Body seperation film.
In the specific implementation, obtained Ho llow fiber membrane for gas separation can use Silicone Rubber Coated, the doughnut gas
Body seperation film can be used for point of the separation of oxygen and nitrogen, the separation of carbon dioxide and nitrogen and carbon dioxide and methane
From.
Above-mentioned preparation process is described in detail with specific example below:
Embodiment 1, by 28 grams of polyether sulfone, 57 grams of N-Methyl pyrrolidone, diethylene glycol (DEG) 15g is added to the appearance with blender
In device, being stirred at room temperature dissolves it sufficiently, through filtering deaeration at spinning solution.
Using the hollow fiber spinneret of two concentric circles, spinning solution filters pressing is squeezed out with metering pump through spinning head；It spins
Silk liquid extruded velocity is 3ml/min；As-spun fibre is in air coagulation forming in 7 DEG C of water-baths in temperature through the distance of 3cm；
Wire drawing wheel winding speed is 8m/min, obtains Polyethersulfone Hollow Fiber Plasma gas separation membrane.
Fiber outer diameter is 570 μm, and internal diameter is 280 μm.The membrane module of Polyethersulfone Hollow Fiber Plasma production after post treatment, oxygen
The selectivity of gas and nitrogen is 7, and the selectivity of carbon dioxide and nitrogen is 47, and the selectivity of carbon dioxide and methane is 40.
Embodiment 2, by 28 grams of polyether sulfone, 55 grams of N-Methyl pyrrolidone, diethylene glycol (DEG) 17g is added to the appearance with blender
In device, being stirred at room temperature dissolves it sufficiently, through filtering deaeration at spinning solution.
Using the hollow fiber spinneret of two concentric circles, spinning solution filters pressing is squeezed out with metering pump through spinning head；It spins
Silk liquid extruded velocity is 3ml/min；As-spun fibre is in air coagulation forming in 6 DEG C of water-baths in temperature through the distance of 3cm；
Wire drawing wheel winding speed is 8m/min, obtains Polyethersulfone Hollow Fiber Plasma gas separation membrane.
Fiber outer diameter is 670 μm, and internal diameter is 300 μm.The membrane module of Polyethersulfone Hollow Fiber Plasma production after post treatment, oxygen
The selectivity of gas and nitrogen is 5, and the selectivity of carbon dioxide and nitrogen is 40, and the selectivity of carbon dioxide and methane is 30.
Embodiment 3, by 30 grams of polyether sulfone, 55 grams of N-Methyl pyrrolidone, diethylene glycol (DEG) 15g is added to the appearance with blender
In device, being stirred at room temperature dissolves it sufficiently, through filtering deaeration at spinning solution.
Using the hollow fiber spinneret of two concentric circles, spinning solution filters pressing is squeezed out with metering pump through spinning head；It spins
Silk liquid extruded velocity is 3ml/min；As-spun fibre is in air coagulation forming in 6 DEG C of water-baths in temperature through the distance of 3cm；
Wire drawing wheel winding speed is 8m/min, obtains Polyethersulfone Hollow Fiber Plasma gas separation membrane.
Fiber outer diameter is 660 μm, and internal diameter is 240 μm.The membrane module of Polyethersulfone Hollow Fiber Plasma production after post treatment, oxygen
The selectivity of gas and nitrogen is 6, and the selectivity of carbon dioxide and nitrogen is 34, and the selectivity of carbon dioxide and methane is 22.
It is worth noting that, the content being not described in detail in the embodiment of the present invention belongs to professional and technical personnel in the field's public affairs
The prior art known.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (7)
1. a kind of preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane, which is characterized in that the described method includes:
The each raw material component for preparing hollow fiber spinning stoste is added to the container containing blender by step 1 by a certain percentage
In, it is stirred at room temperature uniformly, using obtained spinning solution after filtering, deaeration processing；
Step 2 squeezes out spinning solution metering pump obtained through the hollow fiber spinneret of two concentric circles, and as-spun fibre exists
In air after the distance of 1-20cm in 1-12 DEG C of water-bath of low temperature coagulation forming, then obtained after wire drawing wheel drawing-off winding
Hollow fiber；
Doughnut obtained is washed 2-4 days, then obtains hollow fiber gas point after exchange of solvent, drying process by step 3
From film.
2. the preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane according to claim 1, which is characterized in that in step 1
In, each raw material component includes polyether sulfone, solvent and pore former, and is mixed according to following weight ratio:
Polyether sulfone 20-37%；Solvent 40-70%；Pore former 0.5-25%.
3. the preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane according to claim 1 or claim 2, which is characterized in that
The solvent includes in N-Methyl pyrrolidone, dimethylformamide, dimethyl acetamide and dimethyl sulfoxide solvent
It is one or more.
4. the preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane according to claim 1 or claim 2, which is characterized in that
The pore former includes one of diglycol, polyvinylpyrrolidone and polyethylene glycol or a variety of.
5. the preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane according to claim 1, which is characterized in that in step 2
In, the extruded velocity of spinning solution is 1-10ml/min；Wire drawing wheel winding speed is 5-20m/min.
6. the preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane according to claim 1, which is characterized in that in step 2
In obtained doughnut outer diameter be 300-900 μm, internal diameter be 200-600 μm.
7. the preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane according to claim 1, which is characterized in that
Obtained Ho llow fiber membrane for gas separation uses Silicone Rubber Coated in step 3.
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| CN201910172901.1A CN109806779A (en) | 2019-03-07 | 2019-03-07 | A kind of preparation method of Polyethersulfone Hollow Fiber Plasma gas separation membrane |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220183A (en) * | 1997-12-17 | 1999-06-23 | 四川联合大学 | Polyether sulphone hollow fibre film and its manufacturing method and use |
| CN1579603A (en) * | 2003-08-13 | 2005-02-16 | 天津膜天膜工程技术有限公司 | Polyether suplphone hollow fiber membrane preparing method |
| CN1657144A (en) * | 2004-02-16 | 2005-08-24 | 中国科学院大连化学物理研究所 | Composite hollow fiber membrane and its preparation and application |
| CN101143304A (en) * | 2007-07-17 | 2008-03-19 | 天津工业大学 | Hollow fiber membrane and its preparing process |
| US20090152755A1 (en) * | 2007-12-12 | 2009-06-18 | Chunqing Liu | Molecular Sieve/Polymer Hollow Fiber Mixed Matrix Membranes |
| CN102089070A (en) * | 2008-06-10 | 2011-06-08 | 水技术国际公司 | Preparation of high performance ultra filtration hollow fiber membrane |
-
2019
- 2019-03-07 CN CN201910172901.1A patent/CN109806779A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220183A (en) * | 1997-12-17 | 1999-06-23 | 四川联合大学 | Polyether sulphone hollow fibre film and its manufacturing method and use |
| CN1579603A (en) * | 2003-08-13 | 2005-02-16 | 天津膜天膜工程技术有限公司 | Polyether suplphone hollow fiber membrane preparing method |
| CN1657144A (en) * | 2004-02-16 | 2005-08-24 | 中国科学院大连化学物理研究所 | Composite hollow fiber membrane and its preparation and application |
| CN101143304A (en) * | 2007-07-17 | 2008-03-19 | 天津工业大学 | Hollow fiber membrane and its preparing process |
| US20090152755A1 (en) * | 2007-12-12 | 2009-06-18 | Chunqing Liu | Molecular Sieve/Polymer Hollow Fiber Mixed Matrix Membranes |
| CN102089070A (en) * | 2008-06-10 | 2011-06-08 | 水技术国际公司 | Preparation of high performance ultra filtration hollow fiber membrane |
Non-Patent Citations (1)
| Title |
|---|
| 刘相宝: "聚醚砜中空纤维气体分离膜的制备与涂覆工艺的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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