IT1058631B - Procedimento per produrre membrane permeabili - Google Patents
Procedimento per produrre membrane permeabiliInfo
- Publication number
- IT1058631B IT1058631B IT21395/76A IT2139576A IT1058631B IT 1058631 B IT1058631 B IT 1058631B IT 21395/76 A IT21395/76 A IT 21395/76A IT 2139576 A IT2139576 A IT 2139576A IT 1058631 B IT1058631 B IT 1058631B
- Authority
- IT
- Italy
- Prior art keywords
- solvent
- resin
- permeable membranes
- procedure
- article
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title abstract 2
- 229920005989 resin Polymers 0.000 abstract 4
- 239000011347 resin Substances 0.000 abstract 4
- 239000002904 solvent Substances 0.000 abstract 4
- 238000001035 drying Methods 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 abstract 1
- 238000004898 kneading Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000005060 rubber Substances 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 1
- 239000000057 synthetic resin Substances 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
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
- B01D71/26—Polyalkenes
-
- 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
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- 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
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/13—Cell size and distribution control while molding a foam
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/918—Physical aftertreatment of a cellular product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Molding Of Porous Articles (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50032956A JPS51119069A (en) | 1975-03-20 | 1975-03-20 | Method of producing permeable film |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1058631B true IT1058631B (it) | 1982-05-10 |
Family
ID=12373368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21395/76A IT1058631B (it) | 1975-03-20 | 1976-03-18 | Procedimento per produrre membrane permeabili |
Country Status (6)
Country | Link |
---|---|
US (1) | US4100238A (it) |
JP (1) | JPS51119069A (it) |
DE (1) | DE2611731C2 (it) |
FR (1) | FR2304640A1 (it) |
GB (1) | GB1506665A (it) |
IT (1) | IT1058631B (it) |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4217227A (en) * | 1975-12-06 | 1980-08-12 | Bayer Aktiengesellschaft | Semipermeable membranes of copolyamides |
JPS5939460B2 (ja) * | 1976-12-10 | 1984-09-22 | 日石三菱株式会社 | 多孔膜の製法 |
US4287275A (en) * | 1979-01-26 | 1981-09-01 | Sac Membrane Products Corporation | Alkaline cell with graft polymer separator |
US4257997A (en) * | 1979-06-01 | 1981-03-24 | Celanese Corporation | Solvent stretch process for preparing a microporous film |
DE2947824A1 (de) | 1979-11-28 | 1981-07-23 | Bayer Ag, 5090 Leverkusen | Querschnittsstabile, hygroskopische kern/mantelstruktur aufweisende fasern und faeden und verfahren zu deren herstellung |
US4342811A (en) * | 1979-12-28 | 1982-08-03 | Albany International Corp. | Open-celled microporous sorbent-loaded textile fibers and films and methods of fabricating same |
US4550123A (en) * | 1979-12-28 | 1985-10-29 | Albany International Corp. | Thermally plastifiable compositions for microporous sorbent structure |
JPS56159128A (en) * | 1980-05-15 | 1981-12-08 | Asahi Chem Ind Co Ltd | Thermoplastic resin porous film and production thereof |
JPS57183964A (en) * | 1981-05-07 | 1982-11-12 | Mitsubishi Gas Chemical Co | Package of deoxidizer |
US4539256A (en) * | 1982-09-09 | 1985-09-03 | Minnesota Mining And Manufacturing Co. | Microporous sheet material, method of making and articles made therewith |
US4490431A (en) * | 1982-11-03 | 1984-12-25 | Akzona Incorporated | 0.1 Micron rated polypropylene membrane and method for its preparation |
AU1435883A (en) * | 1983-05-09 | 1984-11-15 | Baxter Travenol Laboratories Inc. | Porous membranes |
GB8412673D0 (en) * | 1984-05-18 | 1984-06-27 | Raychem Ltd | Polymer membrane |
US4721732A (en) * | 1984-05-18 | 1988-01-26 | Raychem Corporation | Polymeric articles and methods of manufacture thereof |
WO1985005318A1 (en) * | 1984-05-18 | 1985-12-05 | Raychem Corporation | Polymeric articles and methods of manufacture thereof |
US4906375A (en) * | 1984-07-14 | 1990-03-06 | Fresenius, Ag | Asymmetrical microporous hollow fiber for hemodialysis |
JPS6190705A (ja) * | 1984-10-09 | 1986-05-08 | Terumo Corp | 中空糸膜の製造方法 |
DE3564078D1 (en) * | 1984-11-09 | 1988-09-08 | Terumo Corp | Flat permeable membrane and method for manufacture thereof |
SE443584B (sv) * | 1985-03-07 | 1986-03-03 | Gambro Dialysatoren | Sett att framstella en semipermeabel halfiber |
US4868222A (en) * | 1985-06-10 | 1989-09-19 | The Dow Chemical Company | Preparation of asymmetric membranes by the solvent extraction of polymer components from polymer blends |
US4681605A (en) | 1985-06-27 | 1987-07-21 | A/G Technology Corporation | Anisotropic membranes for gas separation |
US4775580A (en) * | 1986-03-08 | 1988-10-04 | The Dow Chemical Company | Porous random fiber composites and a method for preparing same |
DE3777241D1 (de) * | 1986-05-16 | 1992-04-16 | Ici Plc | Fasern und faseriges rohr. |
JPH0768393B2 (ja) * | 1986-05-28 | 1995-07-26 | 花王株式会社 | 多孔性フィルム |
GB8620484D0 (en) * | 1986-08-22 | 1986-10-01 | Raychem Ltd | Plugged microporous film |
US4699857A (en) * | 1986-10-15 | 1987-10-13 | W. R. Grace & Co. | Battery separator |
US4726989A (en) * | 1986-12-11 | 1988-02-23 | Minnesota Mining And Manufacturing | Microporous materials incorporating a nucleating agent and methods for making same |
WO1989000879A1 (en) * | 1987-07-30 | 1989-02-09 | Toray Industries, Inc. | Porous polymetrafluoroethylene membrane, separating apparatus using same, and process for their production |
US4867881A (en) * | 1987-09-14 | 1989-09-19 | Minnesota Minning And Manufacturing Company | Orientied microporous film |
US5227101A (en) * | 1988-03-31 | 1993-07-13 | The Dow Chemical Company | Process of making microporous membranes from poly(etheretherketone)-type polymers and low melting point crystallizable polymers |
US5205968A (en) * | 1988-03-31 | 1993-04-27 | The Dow Chemical Company | Process for making a microporous membrane from a blend containing a poly(etheretherketone)-type polymer, an amorphous polymer, and a solvent |
US4963304A (en) * | 1988-09-26 | 1990-10-16 | The Dow Chemical Company | Process for preparing microporous membranes |
US4873037A (en) * | 1988-10-05 | 1989-10-10 | The Dow Chemical Company | Method for preparing an asymmetric semi-permeable membrane |
US4975469A (en) * | 1989-03-20 | 1990-12-04 | Amoco Corporation | Oriented porous polypropylene films |
EP0408462B1 (en) * | 1989-07-14 | 1995-06-21 | Terumo Kabushiki Kaisha | Filter material for seizure of leukocytes and method for production thereof |
GB8916440D0 (en) * | 1989-07-19 | 1989-09-06 | Ici Plc | Tubular membrane |
EP0436966B1 (en) * | 1990-01-09 | 2000-03-22 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Methods for manufacture of porous resin mouldings, ultrafine fibres and ultrafine fibre nonwoven fabrics |
CN1017682B (zh) * | 1990-11-13 | 1992-08-05 | 中国科学院化学研究所 | 高透过性聚丙烯微孔膜及其制法 |
US5176953A (en) * | 1990-12-21 | 1993-01-05 | Amoco Corporation | Oriented polymeric microporous films |
US6172173B1 (en) | 1991-01-18 | 2001-01-09 | The Dow Chemical Company | Silica supported transition metal catalyst |
US5231151A (en) * | 1991-01-18 | 1993-07-27 | The Dow Chemical Company | Silica supported transition metal catalyst |
US6747113B1 (en) | 1991-01-18 | 2004-06-08 | The Dow Chemical Company | Silica supported transition metal catalyst |
US5677360A (en) * | 1991-02-13 | 1997-10-14 | Mitsubishi Rayon Co., Ltd. | Hydrophilic polymer alloy, fiber and porous membrane comprising this polymer alloy, and methods for preparing them |
US5762798A (en) * | 1991-04-12 | 1998-06-09 | Minntech Corporation | Hollow fiber membranes and method of manufacture |
US5674919A (en) * | 1991-12-27 | 1997-10-07 | Mitsui Petrochemical Industries, Ltd. | Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same |
US5885269A (en) * | 1992-09-24 | 1999-03-23 | Minnesota Mining And Manufacturing Co. | Oil-tolerant reinforcement strip |
USRE36914E (en) * | 1992-10-07 | 2000-10-17 | Minntech Corp | Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide |
DE4409906C1 (de) * | 1994-03-23 | 1995-05-11 | Metallgesellschaft Ag | Komposit-Membran und ein Verfahren zu ihrer Herstellung |
US5455111A (en) * | 1994-04-12 | 1995-10-03 | Minnesota Mining And Manufacturing Company | Construction adhesive for porous film |
US5417678A (en) * | 1994-07-15 | 1995-05-23 | Minnesota Mining And Manufacturing Company | Low profile ostomy filter |
US6254978B1 (en) * | 1994-11-14 | 2001-07-03 | W. L. Gore & Associates, Inc. | Ultra-thin integral composite membrane |
US5562983A (en) * | 1994-12-13 | 1996-10-08 | Minnesota Mining And Manufacturing Company | Adhesive closure system for oil-containing sheet material |
JPH1092444A (ja) | 1996-09-13 | 1998-04-10 | Japan Gore Tex Inc | 電気化学反応装置用固体高分子電解質複合体及びそれを用いた電気化学反応装置 |
FR2759087B1 (fr) * | 1997-02-06 | 1999-07-30 | Electricite De France | Produit composite poreux de haute surface specifique, procede de preparation et electrode pour ensemble electrochimique formee d'un film composite poreux |
US6471993B1 (en) | 1997-08-01 | 2002-10-29 | Massachusetts Institute Of Technology | Three-dimensional polymer matrices |
US6277104B1 (en) | 1997-08-25 | 2001-08-21 | Mcneil-Ppc, Inc. | Air permeable, liquid impermeable barrier structures and products made therefrom |
US6635384B2 (en) * | 1998-03-06 | 2003-10-21 | Gore Enterprise Holdings, Inc. | Solid electrolyte composite for electrochemical reaction apparatus |
US6773797B1 (en) * | 1998-12-29 | 2004-08-10 | Kimberly-Clark Worldwide, Inc. | Extruded poly (ethylene oxide) and filler composites and films having enhanced ductility and breathability |
US7645543B2 (en) | 2002-10-15 | 2010-01-12 | Polyplus Battery Company | Active metal/aqueous electrochemical cells and systems |
US20080057386A1 (en) | 2002-10-15 | 2008-03-06 | Polyplus Battery Company | Ionically conductive membranes for protection of active metal anodes and battery cells |
WO2004101660A2 (en) * | 2003-05-08 | 2004-11-25 | Applied Extrusion Technologies, Inc. | Methods of making thick, highly oriented, opaque, low-density, microporous polyolefin films and the films made thereby |
US9368775B2 (en) | 2004-02-06 | 2016-06-14 | Polyplus Battery Company | Protected lithium electrodes having porous ceramic separators, including an integrated structure of porous and dense Li ion conducting garnet solid electrolyte layers |
US7282295B2 (en) | 2004-02-06 | 2007-10-16 | Polyplus Battery Company | Protected active metal electrode and battery cell structures with non-aqueous interlayer architecture |
CN101151308B (zh) * | 2005-03-29 | 2011-03-16 | 东燃化学株式会社 | 聚烯烃微多孔膜的制造方法及该微多孔膜 |
US8455131B2 (en) | 2008-06-16 | 2013-06-04 | Polyplus Battery Company | Cathodes and reservoirs for aqueous lithium/air battery cells |
FR2931157B1 (fr) * | 2008-05-19 | 2011-02-18 | Inst Superieur De Plasturgie D Alencon Entpr S | Materiau solide contenant une charge active et permettant une grande facilite d'acces a cette charge |
WO2013028574A2 (en) | 2011-08-19 | 2013-02-28 | Polyplus Battery Company | Aqueous lithium air batteries |
US9660265B2 (en) | 2011-11-15 | 2017-05-23 | Polyplus Battery Company | Lithium sulfur batteries and electrolytes and sulfur cathodes thereof |
US9908985B2 (en) | 2012-09-11 | 2018-03-06 | UNIVERSITé LAVAL | Microporous and hydrophobic polymeric hollow fiber membranes and methods for preparation thereof |
JP6792612B2 (ja) * | 2016-05-13 | 2020-11-25 | 旭化成メディカル株式会社 | ポリエチレン系樹脂多孔質中空糸膜、分離膜及びそれらの製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1199566A (en) * | 1965-02-23 | 1970-07-22 | Ole-Bendt Rasmussen | Method of Manufacturing Porous Products from Films or Filaments. |
NL6512918A (it) * | 1965-10-06 | 1966-09-26 | ||
DE1925283A1 (de) * | 1968-05-20 | 1969-11-27 | Gen Electric | Mikroporoese Polymerprodukte und Verfahren zu ihrer Herstellung |
US3819782A (en) * | 1969-09-17 | 1974-06-25 | Nippon Selfoc Co Ltd | Process for producing a light-conducting structure |
US3796778A (en) * | 1969-05-01 | 1974-03-12 | American Cyanamid Co | Method for preparing fibrous polyolefin materials |
GB1324781A (en) * | 1969-06-09 | 1973-07-25 | Union Carbide Corp | Polymer blends and their uses in the production of ultra fine fibres |
CA986673A (en) * | 1970-07-29 | 1976-04-06 | Toray Industries, Inc. | Polyamide fiber having improved silky feel and lustre |
JPS495176A (it) * | 1972-04-28 | 1974-01-17 | ||
CA1027319A (en) * | 1972-08-18 | 1978-03-07 | Akio Tomago | Process for manufacturing porous polymer film |
JPS5627532B2 (it) * | 1972-08-18 | 1981-06-25 | ||
US3852224A (en) * | 1972-09-14 | 1974-12-03 | Tee Pak Inc | Microporous films |
-
1975
- 1975-03-20 JP JP50032956A patent/JPS51119069A/ja active Granted
-
1976
- 1976-03-18 GB GB10937/76A patent/GB1506665A/en not_active Expired
- 1976-03-18 IT IT21395/76A patent/IT1058631B/it active
- 1976-03-19 DE DE2611731A patent/DE2611731C2/de not_active Expired
- 1976-03-22 FR FR7608187A patent/FR2304640A1/fr active Granted
- 1976-03-22 US US05/669,450 patent/US4100238A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1506665A (en) | 1978-04-12 |
JPS5720970B2 (it) | 1982-05-04 |
FR2304640B1 (it) | 1978-08-25 |
FR2304640A1 (fr) | 1976-10-15 |
US4100238A (en) | 1978-07-11 |
DE2611731C2 (de) | 1982-04-29 |
DE2611731A1 (de) | 1976-10-07 |
JPS51119069A (en) | 1976-10-19 |
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