CN1545433A - 多层微孔膜 - Google Patents
多层微孔膜 Download PDFInfo
- Publication number
- CN1545433A CN1545433A CNA02816380XA CN02816380A CN1545433A CN 1545433 A CN1545433 A CN 1545433A CN A02816380X A CNA02816380X A CN A02816380XA CN 02816380 A CN02816380 A CN 02816380A CN 1545433 A CN1545433 A CN 1545433A
- Authority
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- China
- Prior art keywords
- film
- coarse
- layer
- resin
- multilayer microporous
- 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.)
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Images
Classifications
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- B01D67/0081—After-treatment of organic or inorganic membranes
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- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0018—Thermally induced processes [TIPS]
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- 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
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- 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
- B01D71/34—Polyvinylidene fluoride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/38—Graft polymerization
- B01D2323/385—Graft polymerization involving radiation
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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
- B01D2325/02—Details relating to pores or porosity of the membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
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- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249958—Void-containing component is synthetic resin or natural rubbers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249961—With gradual property change within a component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249962—Void-containing component has a continuous matrix of fibers only [e.g., porous paper, etc.]
- Y10T428/249964—Fibers of defined composition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (AREA)
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- Laminated Bodies (AREA)
- Cell Separators (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
沿着膜厚度方向的区位 | 开孔比率(%) | 每层的归属 |
1 | 69.5 | 粗结构层 |
2 | 68.4 | 粗结构层 |
3 | 67.9 | 粗结构层 |
4 | 67.5 | 粗结构层 |
5 | 66.9 | 粗结构层 |
6 | 66.9 | 粗结构层 |
7 | 66.5 | 粗结构层 |
8 | 66.2 | 粗结构层 |
9 | 65.5 | 粗结构层 |
10 | 64.3 | 粗结构层 |
11 | 62.6 | 粗结构层 |
12 | 60.4 | 粗结构层 |
13 | 59.4 | 中间区域 |
14 | 56.6 | 细结构层 |
15 | 56.3 | 细结构层 |
16 | 56.5 | 细结构层 |
17 | 56.2 | 细结构层 |
18 | 56.3 | 细结构层 |
33 | 56.8 | 细结构层 |
34 | 56.0 | 细结构层 |
35 | 56.5 | 细结构层 |
36 | 57.6 | 细结构层 |
37 | 55.4 | 细结构层 |
38 | 54.2 | 细结构层 |
69 | 55.9 | 细结构层 |
70 | 56.9 | 细结构层 |
71 | 57.0 | 细结构层 |
72 | 57.0 | 细结构层 |
73 | 56.7 | 细结构层 |
整个膜厚度的平均值 | 57.6 | |
排除粗结构部分的平均值 | 55.7 |
项 | 实施例1 | 实施例2 | 实施例3 | 对比例1 |
微孔膜的形式 | 中空纤维 | 中空纤维 | 中空纤维 | 中空纤维 |
内径[μm] | 304 | 306 | 309 | 301 |
膜厚度[μm] | 73 | 60 | 35 | 30 |
粗结构层的厚度[μm] | 12 | 9 | 7 | 3 |
细结构层的比率[%] | 82 | 82 | 84 | 90 |
在粗结构层侧的表面上的平均孔直径[μm] | 0.42 | 0.44 | 0.39 | 0.29 |
孔隙率[%] | 55 | 57 | 57 | 53 |
最大孔直径[nm] | 40 | 40 | 38 | 38 |
水渗透速率(对于膜厚度25μ的减少值)[m3/m2/sec。/Pa] | 8.0E-10 | 7.5E-10 | 7.3E-10 | 6.9E-10 |
项 | 实施例4 | 实施例S | 对比例3 | 实施例6 |
微孔膜的形式 | 中空纤维 | 中空纤维 | 中空纤维 | 中空纤维 |
内径[μm] | 306 | 297 | 301 | 302 |
膜厚度[μm] | 32 | 34 | 29 | 32 |
粗结构层的厚度[μm] | 7 | 12 | 0 | 9 |
细结构层的比率[%] | 75 | 60 | 100 | 69 |
孔隙率[%] | 58 | 60 | 58 | 55 |
最大孔直径[nm] | 38 | 39 | 37 | 40 |
水渗透速率(对于膜厚度25μ的减少值)[m3/m2/sec。/Pa] | 7.8E-10 | 10.8E-10 | 4.5E-10 | 6.9E-10 |
拉伸断裂强度[N/m2] | 3.33E7 | 3.86E7 | 3.35E7 | 3.46E7 |
拉伸断裂伸长率[%] | 343 | 385 | 360 | 365 |
项 | 实施例7 | 实施例8 | 实施例9 | 对比例8 |
3%IgG积分渗透量(3hr) | 127 | 96 | 88 | 32 |
3%IgG渗透速率1(5min) | 66 | 64 | 96 | 86 |
3%IgG渗透速率2(30min) | 54 | 46 | 55 | 16 |
3%IgG渗透速率3(60min) | 46 | 37 | 33 | 4 |
3%IgG渗透速率2/3%IgG渗透速率1 | 0.82 | 0.72 | 0.57 | 0.19 |
3%IgG渗透速率3/3%IgG渗透速率1 | 0.70 | 0.58 | 0.34 | 0.05 |
Claims (17)
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JP2001234035 | 2001-08-01 | ||
JP234035/2001 | 2001-08-01 |
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US (1) | US7140496B2 (zh) |
EP (1) | EP1413350B1 (zh) |
JP (1) | JP4531395B2 (zh) |
KR (1) | KR100805977B1 (zh) |
CN (1) | CN1265868C (zh) |
AT (1) | ATE536929T1 (zh) |
CA (1) | CA2456170C (zh) |
ES (1) | ES2374913T3 (zh) |
WO (1) | WO2003026779A1 (zh) |
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EP1063256A4 (en) * | 1998-03-16 | 2003-03-26 | Asahi Chemical Ind | MICROPOROUS FILM |
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TW581709B (en) | 1999-10-22 | 2004-04-01 | Asahi Kasei Corp | Heat-resistant microporous film |
JP2001190940A (ja) * | 2000-01-11 | 2001-07-17 | Asahi Kasei Corp | ポリエチレン中空糸状多孔膜の製造方法 |
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AUPR584301A0 (en) | 2001-06-20 | 2001-07-12 | U.S. Filter Wastewater Group, Inc. | Membrane polymer compositions |
CN1265868C (zh) | 2001-08-01 | 2006-07-26 | 旭化成制药株式会社 | 多层微孔膜 |
-
2002
- 2002-07-31 CN CNB02816380XA patent/CN1265868C/zh not_active Expired - Lifetime
- 2002-07-31 CA CA002456170A patent/CA2456170C/en not_active Expired - Lifetime
- 2002-07-31 ES ES02753217T patent/ES2374913T3/es not_active Expired - Lifetime
- 2002-07-31 WO PCT/JP2002/007818 patent/WO2003026779A1/ja active Search and Examination
- 2002-07-31 JP JP2003530408A patent/JP4531395B2/ja not_active Expired - Lifetime
- 2002-07-31 AT AT02753217T patent/ATE536929T1/de active
- 2002-07-31 KR KR1020047001528A patent/KR100805977B1/ko active IP Right Grant
- 2002-07-31 EP EP02753217A patent/EP1413350B1/en not_active Expired - Lifetime
- 2002-07-31 US US10/343,691 patent/US7140496B2/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105828920A (zh) * | 2013-12-20 | 2016-08-03 | Lg电子株式会社 | 中空纤维膜 |
US10596524B2 (en) | 2013-12-20 | 2020-03-24 | Lg Chem, Ltd. | Hollow fiber membrane |
CN108602024A (zh) * | 2016-01-29 | 2018-09-28 | 东丽株式会社 | 分离膜 |
CN108602024B (zh) * | 2016-01-29 | 2021-06-22 | 东丽株式会社 | 分离膜 |
CN109070010A (zh) * | 2016-03-11 | 2018-12-21 | 旭化成株式会社 | 多孔膜、多孔膜组件、多孔膜的制造方法、澄清的液体的制造方法及啤酒的制造方法 |
CN109070011A (zh) * | 2016-03-22 | 2018-12-21 | 东丽株式会社 | 中空丝膜 |
CN109715276A (zh) * | 2016-11-04 | 2019-05-03 | 旭化成医疗株式会社 | 多孔膜及多孔膜的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2456170A1 (en) | 2003-04-03 |
ATE536929T1 (de) | 2011-12-15 |
KR100805977B1 (ko) | 2008-02-25 |
CN1265868C (zh) | 2006-07-26 |
KR20040030896A (ko) | 2004-04-09 |
CA2456170C (en) | 2007-09-25 |
JPWO2003026779A1 (ja) | 2005-01-06 |
JP4531395B2 (ja) | 2010-08-25 |
EP1413350A1 (en) | 2004-04-28 |
US7140496B2 (en) | 2006-11-28 |
US20040023017A1 (en) | 2004-02-05 |
EP1413350B1 (en) | 2011-12-14 |
EP1413350A4 (en) | 2004-10-13 |
WO2003026779A1 (fr) | 2003-04-03 |
ES2374913T3 (es) | 2012-02-23 |
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