CN203678267U - Composite ultrafiltration membrane - Google Patents
Composite ultrafiltration membrane Download PDFInfo
- Publication number
- CN203678267U CN203678267U CN201420005652.XU CN201420005652U CN203678267U CN 203678267 U CN203678267 U CN 203678267U CN 201420005652 U CN201420005652 U CN 201420005652U CN 203678267 U CN203678267 U CN 203678267U
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- Prior art keywords
- layer
- membrane
- ultrafiltration membrane
- composite
- thickness
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- 239000012528 membrane Substances 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000000108 ultra-filtration Methods 0.000 title abstract description 8
- 229920002492 poly(sulfone) Polymers 0.000 claims abstract description 22
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005253 cladding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000002209 hydrophobic effect Effects 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract 2
- 238000010612 desalination reaction Methods 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000013535 sea water Substances 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 1
- -1 as-OH Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Images
Abstract
The utility model relates to a composite membrane of a water purification treatment device, and particularly relates to a composite ultrafiltration membrane. The composite ultrafiltration membrane is formed by combining a supporting layer (1), a polysulphone base membrane layer (2) and an oxidized graphene layer (3), wherein the polysulphone base membrane layer (2) is attached to the supporting layer (1), the oxidized graphene layer (3) is composited on the polysulphone base membrane layer (2), the thickness of the supporting layer (1) is 10-15 micrometers, the thickness of the polysulphone base membrane layer (2) is 20-100 micrometers, and the thickness of the oxidized graphene layer (3) is 100nm-20 micrometers. The composite ultrafiltration membrane has the advantages of good permeability, dissolution resistance, temperature resistance and high mechanical strength, the surface performance and hydrophilic performance of the composite ultrafiltration membrane are improved, the composite ultrafiltration membrane can be used for seawater treatment, brackish water desalination, filtration purification of water and improvement of water quality, and the problem that an ultrafiltration membrane is prone to pollution caused by hydrophobic materials is effectively solved.
Description
Technical field
The utility model relates to a kind of composite membrane for high-efficiency water purifying treatment device, particularly a kind of composite hyperfiltration membrane.
Background technology
Polysulfones is the engineering material of artificial synthetic in recent years a kind of superior performance, the biocompatibility that it is good, there is excellent mechanical property, the feature such as heat-resisting, alkaline-resisting, corrosion-resistant simultaneously, and low price, be one of at present the most frequently used membrane material, prepared film is widely used in high-efficiency water purifying treatment device.But its molecular structure determines that it has stronger hydrophobicity, while processing in particular for aqueous medium, not only poor permeability, and some hydrophobic polluters also easily make film contaminated at film surface sediment, finally causes water to see through the power consumption of film excessive.In graphene oxide structure, contain a large amount of functional groups, as-OH ,-COOH ,-O-, C=O etc., make itself and common polymer membrane Material cladding film forming, can improve some drawbacks of original membrane material, make composite membrane there is more excellent performance.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of composite hyperfiltration membrane is provided, and can effectively solve the hydrophilic problem of existing polymer ultrafiltration membrane, and effectively solves the problem that milipore filter is easily polluted by lyophobic dust.
Technical solution of the present utility model is, is composited by (3) three layers, supporting layer (1), polysulfones base membrane layer (2) and graphene oxide layer; It is upper that polysulfones base membrane layer (2) is attached to supporting layer (1), and graphene oxide layer (3) is attached on polysulfones base membrane layer (2) by cladding process.
The thickness of described supporting layer (1) is 10 ~ 50 μ m, and the thickness of polysulfones base membrane layer (2) is 20 ~ 100 μ m, and the thickness of graphene oxide layer (3) is 100nm ~ 20 μ m.
Described supporting layer (1) is polyester non-woven fabric or 100 ~ 300 object silk screens.
The utility model compared with prior art, the advantage possessing is, adopt polysulfones as film base material material, keep on the one hand original polysulfones stable performance, mechanical property is good, the advantage such as corrosion-resistant, compound with graphene oxide on the other hand, because graphene oxide has large transverse and longitudinal ratio, rough surface, there is more functional group and good dispersiveness, can with polysulfones macromolecular chain good contact, can greatly improve the hydrophilicity of original polysulfones layer, improve permeability of the membrane, can effectively solve the problem that milipore filter is easily polluted by lyophobic dust, make the mechanical strength of composite membrane improve simultaneously.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
Number in the figure: 1-supporting layer, 2-polysulfones base membrane layer, 3-graphene oxide layer.
The specific embodiment
The utility model composite hyperfiltration membrane, is composited by (3) three layers, supporting layer (1), polysulfones base membrane layer (2) and graphene oxide layer.It is upper that polysulfones base membrane layer (2) is attached to supporting layer (1), and graphene oxide layer (3) is attached on polysulfones base membrane layer (2) by cladding process.The thickness of supporting layer (1) is 20 μ m, and the thickness of polysulfones base membrane layer (2) is 50 μ m, and the thickness of graphene oxide layer (3) is 5 μ m.Supporting layer of the present utility model (1) is polyester non-woven fabric.
Claims (3)
1. a composite hyperfiltration membrane, is characterized in that: be composited by (3) three layers, supporting layer (1), polysulfones base membrane layer (2) and graphene oxide layer; It is upper that polysulfones base membrane layer (2) is attached to supporting layer (1), and graphene oxide layer (3) is attached on polysulfones base membrane layer (2) by cladding process.
2. a kind of composite hyperfiltration membrane according to claim 1, is characterized in that: the thickness of described supporting layer (1) is 10 ~ 50 μ m, and the thickness of polysulfones base membrane layer (2) is 20 ~ 100 μ m, and the thickness of graphene oxide layer (3) is 100nm ~ 20 μ m.
3. a kind of composite hyperfiltration membrane according to claim 1, is characterized in that: described supporting layer (1) is polyester non-woven fabric or 100 ~ 300 object silk screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005652.XU CN203678267U (en) | 2014-01-06 | 2014-01-06 | Composite ultrafiltration membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005652.XU CN203678267U (en) | 2014-01-06 | 2014-01-06 | Composite ultrafiltration membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203678267U true CN203678267U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005652.XU Expired - Lifetime CN203678267U (en) | 2014-01-06 | 2014-01-06 | Composite ultrafiltration membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203678267U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664739A (en) * | 2016-01-22 | 2016-06-15 | 唐山海清源科技股份有限公司 | Preparation method of highly hydrophilic polysulfone ultrafiltration membrane |
| CN105771689A (en) * | 2016-04-26 | 2016-07-20 | 福州大学 | High antimicrobial PVDF/GO/Ag composite membrane and preparation method thereof |
| CN106139929A (en) * | 2014-11-20 | 2016-11-23 | 中原大学 | Graphene filtering membrane and manufacturing method thereof |
| CN106902653A (en) * | 2017-03-06 | 2017-06-30 | 浙江绿龙新材料有限公司 | Anti-metal drinking water reverse osmosis membrane and its production technology |
| CN109529626A (en) * | 2018-08-21 | 2019-03-29 | 清华大学 | A method of utilizing carbohydrate in nanofiltration membrane removing anthocyanidin |
-
2014
- 2014-01-06 CN CN201420005652.XU patent/CN203678267U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139929A (en) * | 2014-11-20 | 2016-11-23 | 中原大学 | Graphene filtering membrane and manufacturing method thereof |
| CN105664739A (en) * | 2016-01-22 | 2016-06-15 | 唐山海清源科技股份有限公司 | Preparation method of highly hydrophilic polysulfone ultrafiltration membrane |
| CN105771689A (en) * | 2016-04-26 | 2016-07-20 | 福州大学 | High antimicrobial PVDF/GO/Ag composite membrane and preparation method thereof |
| CN106902653A (en) * | 2017-03-06 | 2017-06-30 | 浙江绿龙新材料有限公司 | Anti-metal drinking water reverse osmosis membrane and its production technology |
| CN109529626A (en) * | 2018-08-21 | 2019-03-29 | 清华大学 | A method of utilizing carbohydrate in nanofiltration membrane removing anthocyanidin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170615 Address after: 201209, A252, building 1, building 2588, Golden Sea Road, Shanghai, Pudong New Area Patentee after: SHANGHAI YUEDA NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 224007 Yancheng City economic and Technological Development Zone, East Ring Road, Jiangsu, No. 69 Patentee before: JIANGSU YUEDA NEW MATERIALS TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180522 Address after: 201822 J3330 room 912, Yecheng Road, Jiading Industrial Zone, Jiading District, Shanghai. Patentee after: Shanghai Ewang Material Technology Co.,Ltd. Address before: 201209 room 1, building 1, Jinhai Road, Pudong New Area, Shanghai, A252 Patentee before: SHANGHAI YUEDA NEW MATERIAL TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: Room j653, building 6, 1288 Yecheng Road, Jiading District, Shanghai, 201822 Patentee after: Zhongke Yueda (Shanghai) material technology Co.,Ltd. Address before: 201822 J3330 room 912, Yecheng Road, Jiading Industrial Zone, Jiading District, Shanghai. Patentee before: Shanghai Ewang Material Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |