DE3381615D1 - Polypropylenmembranen. - Google Patents
Polypropylenmembranen.Info
- Publication number
- DE3381615D1 DE3381615D1 DE8383306652T DE3381615T DE3381615D1 DE 3381615 D1 DE3381615 D1 DE 3381615D1 DE 8383306652 T DE8383306652 T DE 8383306652T DE 3381615 T DE3381615 T DE 3381615T DE 3381615 D1 DE3381615 D1 DE 3381615D1
- Authority
- DE
- Germany
- Prior art keywords
- polypropylene membranes
- membranes
- polypropylene
- 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.)
- Expired - Lifetime
Links
- -1 POLYPROPYLENE Polymers 0.000 title 1
- 239000004743 Polypropylene Substances 0.000 title 1
- 239000012528 membrane Substances 0.000 title 1
- 229920001155 polypropylene Polymers 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- 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
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- 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
-
- 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
- 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
- B01D71/262—Polypropylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/03—Extrusion of the foamable blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/052—Inducing phase separation by thermal treatment, e.g. cooling a solution
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- 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.]
- Y10T428/249978—Voids specified as micro
- Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/438,823 US4490431A (en) | 1982-11-03 | 1982-11-03 | 0.1 Micron rated polypropylene membrane and method for its preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3381615D1 true DE3381615D1 (de) | 1990-07-05 |
Family
ID=23742166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383306652T Expired - Lifetime DE3381615D1 (de) | 1982-11-03 | 1983-11-01 | Polypropylenmembranen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4490431A (de) |
EP (1) | EP0108601B1 (de) |
JP (1) | JPH064714B2 (de) |
CA (1) | CA1239513A (de) |
DE (1) | DE3381615D1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61114702A (ja) * | 1984-11-09 | 1986-06-02 | Terumo Corp | 平膜型透過性膜の製造方法 |
DE3205289C2 (de) * | 1982-02-15 | 1984-10-31 | Akzo Gmbh, 5600 Wuppertal | Verfahren zur Herstellung von porösen Körpern mit einstellbarem Gesamtporenvolumen, einstellbarer Porengröße und einstellbarer Porenwandung |
JPS60242035A (ja) * | 1984-04-27 | 1985-12-02 | Toa Nenryo Kogyo Kk | ポリエチレン微多孔膜の製造方法 |
US4778601A (en) * | 1984-10-09 | 1988-10-18 | Millipore Corporation | Microporous membranes of ultrahigh molecular weight polyethylene |
DE3564078D1 (en) * | 1984-11-09 | 1988-09-08 | Terumo Corp | Flat permeable membrane and method for manufacture thereof |
JPS61114701A (ja) * | 1984-11-09 | 1986-06-02 | Terumo Corp | 平膜型透過性膜およびその製造方法 |
DE3676211D1 (de) * | 1985-02-25 | 1991-01-31 | Tonen Corp | Mikroporoese membran aus einem alpha-olefinpolymer mit ultrahoch-molekulargewicht. |
CA1312429C (en) * | 1985-08-29 | 1993-01-12 | Yukio Seita | Porous membrane for separation of blood components and method for manufacture thereof |
EP0247596B1 (de) * | 1986-05-30 | 1992-08-12 | Mitsubishi Rayon Co., Ltd. | Poröse Membran |
US4833172A (en) * | 1987-04-24 | 1989-05-23 | Ppg Industries, Inc. | Stretched microporous material |
US4861644A (en) * | 1987-04-24 | 1989-08-29 | Ppg Industries, Inc. | Printed microporous material |
US5238618A (en) * | 1987-09-14 | 1993-08-24 | Minnesota Mining And Manufacturing Company | Method for preparing oriented microporous film |
CA1329559C (en) * | 1988-03-03 | 1994-05-17 | Keiji Naoi | Leukocyte separator and method of making the same |
US5318417A (en) * | 1988-11-10 | 1994-06-07 | Kopp Clinton V | Extrusion head for forming polymeric hollow fiber |
DE4217335C2 (de) * | 1992-05-26 | 1996-01-18 | Seitz Filter Werke | Hydrophile Membran und Verfahren zu ihrer Herstellung |
DE50304738D1 (de) * | 2002-01-24 | 2006-10-05 | Membrana Gmbh | Verfahren zur herstellung von polyolefinmembranen mit integral asymmetrischer struktur |
KR20040083493A (ko) | 2002-02-01 | 2004-10-02 | 화이자 프로덕츠 인크. | 콜레스테릴 에스테르 전달 단백질 억제제의 제어 방출형제약상 제형 |
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 |
CN100371057C (zh) * | 2006-03-22 | 2008-02-27 | 广东工业大学 | 一种用于生产聚烯烃类微孔膜的萃取方法 |
PL2442791T3 (pl) | 2009-06-16 | 2020-05-18 | Pfizer Inc. | Postacie dawkowania apiksabanu |
EP2481411A1 (de) | 2011-01-27 | 2012-08-01 | Ratiopharm GmbH | Orale Dosierformen für modifizierte Freisetzung mit dem JAK3-Hemmer tasocitinib |
EP2877162A1 (de) | 2012-07-27 | 2015-06-03 | ratiopharm GmbH | Orale darreichungsformen für modifizierte freisetzung mit ruxolitinib |
CN106540551B (zh) * | 2016-10-06 | 2019-08-23 | 浙江大学 | 高疏水性聚乙烯平板微孔膜及其制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3426754A (en) * | 1964-06-12 | 1969-02-11 | Celanese Corp | Breathable medical dressing |
US3679540A (en) * | 1970-11-27 | 1972-07-25 | Celanese Corp | Reinforced microporous film |
JPS51119069A (en) * | 1975-03-20 | 1976-10-19 | Nippon Oil Co Ltd | Method of producing permeable film |
US4247498A (en) * | 1976-08-30 | 1981-01-27 | Akzona Incorporated | Methods for making microporous products |
DK171108B1 (da) * | 1976-08-30 | 1996-06-10 | Akzo Nv | Mikroporøst polymerlegeme samt dettes fremstilling og anvendelse |
DE2833623A1 (de) * | 1978-07-31 | 1980-03-13 | Akzo Gmbh | Folien |
ZA80465B (en) * | 1979-02-13 | 1981-08-26 | Celanese Corp | Process for preparing hollow microporous polypropylene fibers |
EP0110580A3 (de) * | 1982-11-03 | 1986-06-11 | Gelman Sciences, Inc. | Verfahren zur Entfernung pyrogener Stoffe mittels einer hydrophoben mikroporösen Membran |
-
1982
- 1982-11-03 US US06/438,823 patent/US4490431A/en not_active Expired - Lifetime
-
1983
- 1983-11-01 DE DE8383306652T patent/DE3381615D1/de not_active Expired - Lifetime
- 1983-11-01 EP EP83306652A patent/EP0108601B1/de not_active Expired - Lifetime
- 1983-11-02 CA CA000440270A patent/CA1239513A/en not_active Expired
- 1983-11-04 JP JP58207329A patent/JPH064714B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0108601A2 (de) | 1984-05-16 |
EP0108601B1 (de) | 1990-05-30 |
JPS59135235A (ja) | 1984-08-03 |
EP0108601A3 (en) | 1987-05-20 |
JPH064714B2 (ja) | 1994-01-19 |
CA1239513A (en) | 1988-07-26 |
US4490431A (en) | 1984-12-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: AKZO NOBEL N.V., ARNHEIM/ARNHEM, NL |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: MEMBRANA GMBH, 42289 WUPPERTAL, DE |