CN107537327B - 一种聚四氟乙烯膜及其制备方法 - Google Patents
一种聚四氟乙烯膜及其制备方法 Download PDFInfo
- Publication number
- CN107537327B CN107537327B CN201710963734.3A CN201710963734A CN107537327B CN 107537327 B CN107537327 B CN 107537327B CN 201710963734 A CN201710963734 A CN 201710963734A CN 107537327 B CN107537327 B CN 107537327B
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- Prior art keywords
- polytetrafluoroethylene
- membrane
- temperature
- sintering
- fiber
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- 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.)
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- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 95
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 95
- -1 Polytetrafluoroethylene Polymers 0.000 title claims abstract description 90
- 238000002360 preparation method Methods 0.000 title description 13
- 239000012528 membrane Substances 0.000 claims abstract description 88
- 239000000835 fiber Substances 0.000 claims abstract description 34
- 239000011148 porous material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000004821 distillation Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 5
- 239000002121 nanofiber Substances 0.000 claims description 4
- 230000003075 superhydrophobic effect Effects 0.000 abstract description 11
- 239000002352 surface water Substances 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 description 40
- 238000000034 method Methods 0.000 description 34
- 238000004804 winding Methods 0.000 description 19
- 239000002243 precursor Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 13
- 238000009987 spinning Methods 0.000 description 12
- 230000004907 flux Effects 0.000 description 10
- 230000002209 hydrophobic effect Effects 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000010041 electrostatic spinning Methods 0.000 description 9
- 239000000839 emulsion Substances 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000001878 scanning electron micrograph Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012510 hollow fiber Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 230000005661 hydrophobic surface Effects 0.000 description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000001523 electrospinning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000010413 sodium alginate Nutrition 0.000 description 2
- 229940005550 sodium alginate Drugs 0.000 description 2
- 239000000661 sodium alginate Substances 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- 229920001410 Microfiber Polymers 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/36—Polytetrafluoroethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
- B01D61/364—Membrane distillation
-
- 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
- B01D67/0004—Organic membrane manufacture by agglomeration of particles
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Water Supply & Treatment (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims (11)
Priority Applications (1)
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CN201710963734.3A CN107537327B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
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CN201710963734.3A CN107537327B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
CN201410093014.2A CN104906968B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
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CN201410093014.2A Division CN104906968B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
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CN107537327A CN107537327A (zh) | 2018-01-05 |
CN107537327B true CN107537327B (zh) | 2020-01-03 |
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Application Number | Title | Priority Date | Filing Date |
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CN201710963734.3A Expired - Fee Related CN107537327B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
CN201710966408.8A Expired - Fee Related CN107670514B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
CN201710966405.4A Expired - Fee Related CN107537328B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
CN201410093014.2A Expired - Fee Related CN104906968B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
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CN201710966408.8A Expired - Fee Related CN107670514B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
CN201710966405.4A Expired - Fee Related CN107537328B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
CN201410093014.2A Expired - Fee Related CN104906968B (zh) | 2014-03-13 | 2014-03-13 | 一种聚四氟乙烯膜及其制备方法 |
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Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105233707A (zh) * | 2015-09-17 | 2016-01-13 | 重庆润泽医药有限公司 | 一种聚四氟乙烯膜的制备方法 |
CN106674830B (zh) * | 2015-11-11 | 2021-01-26 | 重庆润泽医药有限公司 | 一种多孔非金属材料 |
CN106669465B (zh) * | 2015-11-11 | 2020-10-23 | 重庆润泽医药有限公司 | 一种聚四氟乙烯中空纤维膜 |
CN106669466A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细纤维膜 |
CN106669460B (zh) * | 2015-11-11 | 2020-11-20 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细纤维管式膜 |
CN106669444A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯纤维膜 |
CN106669457B (zh) * | 2015-11-11 | 2020-11-20 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细纤维膜 |
CN106669441A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯纤维管式膜 |
CN106669456A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯纤维膜 |
CN106669467A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细纤维膜 |
CN106669451B (zh) * | 2015-11-11 | 2022-02-08 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细纤维膜 |
CN106669454B (zh) * | 2015-11-11 | 2021-01-26 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细纤维管式膜 |
CN106669462B (zh) * | 2015-11-11 | 2020-11-03 | 重庆润泽医药有限公司 | 一种聚四氟乙烯纤维管式膜 |
CN106669442A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯纤维管式膜 |
CN106669461A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯中空纤维膜 |
CN106669464A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细中空纤维膜 |
CN106669455B (zh) * | 2015-11-11 | 2020-12-29 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细中空纤维膜 |
CN106669463B (zh) * | 2015-11-11 | 2020-11-03 | 重庆润泽医药有限公司 | 一种聚四氟乙烯中空纤维膜 |
CN106669458A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯纤维膜 |
CN106669452A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯纤维膜 |
CN106669453B (zh) * | 2015-11-11 | 2020-11-06 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细纤维管式膜 |
CN106669443B (zh) * | 2015-11-11 | 2020-10-23 | 重庆润泽医药有限公司 | 一种聚四氟乙烯纤维管式膜 |
CN106669445B (zh) * | 2015-11-11 | 2020-11-27 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细中空纤维膜 |
CN106669459A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯中空纤维膜 |
CN106669449A (zh) * | 2015-11-11 | 2017-05-17 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细纤维管式膜 |
CN106669450B (zh) * | 2015-11-11 | 2020-11-27 | 重庆润泽医药有限公司 | 一种聚四氟乙烯超细中空纤维膜 |
CN109395610A (zh) * | 2017-08-18 | 2019-03-01 | 重庆润泽医药有限公司 | 一种聚四氟乙烯分离材料 |
CN112210838A (zh) * | 2020-08-19 | 2021-01-12 | 浙江理工大学 | 一种表面微球结构的聚四氟乙烯纤维的制备方法 |
CN112160039B (zh) * | 2020-08-19 | 2023-07-21 | 浙江理工大学 | 一种多孔结构聚四氟乙烯纤维的制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101530750A (zh) * | 2009-04-20 | 2009-09-16 | 浙江理工大学 | 聚四氟乙烯超细纤维多孔膜的制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5476589A (en) * | 1995-03-10 | 1995-12-19 | W. L. Gore & Associates, Inc. | Porpous PTFE film and a manufacturing method therefor |
JP3580790B2 (ja) * | 2001-10-31 | 2004-10-27 | 宇明泰化工股▲ふん▼有限公司 | 非対称性多孔質ポリテトラフルオロエチレン膜とその製造方法 |
US20100139224A1 (en) * | 2008-12-05 | 2010-06-10 | E. I. Du Pont De Nemours And Company | Filter media with nanoweb layer |
JP2012176361A (ja) * | 2011-02-25 | 2012-09-13 | Sumitomo Electric Fine Polymer Inc | 多孔質複層フィルター |
CN102908911A (zh) * | 2012-10-31 | 2013-02-06 | 辽宁省电力有限公司电力科学研究院 | 聚四氟乙烯微孔过滤材料的加工方法 |
CN104211245B (zh) * | 2013-06-03 | 2016-07-06 | 洁海瑞泉膜技术(北京)有限公司 | 一种垃圾渗滤液膜法浓缩液的处理方法 |
-
2014
- 2014-03-13 CN CN201710963734.3A patent/CN107537327B/zh not_active Expired - Fee Related
- 2014-03-13 CN CN201710966408.8A patent/CN107670514B/zh not_active Expired - Fee Related
- 2014-03-13 CN CN201710966405.4A patent/CN107537328B/zh not_active Expired - Fee Related
- 2014-03-13 CN CN201410093014.2A patent/CN104906968B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101530750A (zh) * | 2009-04-20 | 2009-09-16 | 浙江理工大学 | 聚四氟乙烯超细纤维多孔膜的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107537327A (zh) | 2018-01-05 |
CN107670514B (zh) | 2020-02-07 |
CN107537328B (zh) | 2020-02-11 |
CN107670514A (zh) | 2018-02-09 |
CN104906968B (zh) | 2017-09-26 |
CN104906968A (zh) | 2015-09-16 |
CN107537328A (zh) | 2018-01-05 |
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Effective date of registration: 20171228 Address after: 610065, No. 88, No. 88, No. 7, No. 7, South Road, Branch Park, Chengdu high tech park, Sichuan Province Applicant after: CHENGDU BIOTOP PHARMA SCIENCE & TECHNOLOGY CO.,LTD. Applicant after: Sichuan hundred road Medicine Co.,Ltd. Applicant after: SICHUAN BAITU ENVIRONMENTAL PROTECTION MATERIAL TECHNOLOGY CO.,LTD. Address before: 610065 room 508, Sichuan University science and technology innovation center, No. 24, South First Ring Road, Chengdu City, Sichuan Applicant before: CHENGDU BIOTOP PHARMA SCIENCE & TECHNOLOGY CO.,LTD. |
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