IT1118157B - Procedimento per la produzione di mendrane con superficie porosa e prodotto ottenuto - Google Patents
Procedimento per la produzione di mendrane con superficie porosa e prodotto ottenutoInfo
- Publication number
- IT1118157B IT1118157B IT49805/79A IT4980579A IT1118157B IT 1118157 B IT1118157 B IT 1118157B IT 49805/79 A IT49805/79 A IT 49805/79A IT 4980579 A IT4980579 A IT 4980579A IT 1118157 B IT1118157 B IT 1118157B
- Authority
- IT
- Italy
- Prior art keywords
- mendrants
- procedure
- production
- product obtained
- porous surface
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- 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
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
- B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
-
- 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
-
- 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
- C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
-
- 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
- C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
- C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782833623 DE2833623A1 (de) | 1978-07-31 | 1978-07-31 | Folien |
DE2833493A DE2833493C2 (de) | 1978-07-31 | 1978-07-31 | Hohlfäden |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7949805A0 IT7949805A0 (it) | 1979-07-19 |
IT1118157B true IT1118157B (it) | 1986-02-24 |
Family
ID=25775227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49805/79A IT1118157B (it) | 1978-07-31 | 1979-07-19 | Procedimento per la produzione di mendrane con superficie porosa e prodotto ottenuto |
Country Status (14)
Country | Link |
---|---|
AU (1) | AU531433B2 (es) |
BR (1) | BR7904888A (es) |
CA (1) | CA1140308A (es) |
CH (1) | CH644789A5 (es) |
DK (1) | DK152439C (es) |
ES (1) | ES482967A0 (es) |
FI (1) | FI70733C (es) |
FR (1) | FR2432329A1 (es) |
GB (1) | GB2026381B (es) |
IT (1) | IT1118157B (es) |
LU (1) | LU81555A1 (es) |
NL (1) | NL189969C (es) |
NO (1) | NO153879C (es) |
SE (1) | SE7906441L (es) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2047874B (en) * | 1979-03-17 | 1983-12-21 | Akzo Nv | Apparatus in which heat is transferred through hollow threads as well as hollow threads suitable for this purpose |
JPS56159128A (en) * | 1980-05-15 | 1981-12-08 | Asahi Chem Ind Co Ltd | Thermoplastic resin porous film and production thereof |
DE3049557A1 (de) * | 1980-12-31 | 1982-07-29 | Akzo Gmbh, 5600 Wuppertal | Poroese schlaeuche |
AU540708B2 (en) * | 1982-01-25 | 1984-11-29 | Mitsubishi Rayon Company Limited | Water purifying method and system |
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 |
US4539256A (en) * | 1982-09-09 | 1985-09-03 | Minnesota Mining And Manufacturing Co. | Microporous sheet material, method of making and articles made therewith |
CA1226112A (en) * | 1982-09-09 | 1987-09-01 | Minnesota Mining And Manufacturing Company | Microporous sheet material, method of making and articles made therewith |
EP0112614A3 (en) * | 1982-09-30 | 1985-05-08 | McNeilab, Inc. | Semipermeable membranes and method of making the same |
EP0110580A3 (en) * | 1982-11-03 | 1986-06-11 | Gelman Sciences, Inc. | Improved process for removing pyrogens utilizing a hydrophobic microporous membrane |
DE3301268A1 (de) * | 1983-01-17 | 1984-07-26 | Akzo Gmbh, 5600 Wuppertal | Verfahren und vorrichtung zum herstellen von hohlfadenbuendeln |
DE3481817D1 (de) * | 1983-07-30 | 1990-05-10 | Akzo Gmbh | Poren aufweisende formkoerper. |
JPS6190705A (ja) * | 1984-10-09 | 1986-05-08 | Terumo Corp | 中空糸膜の製造方法 |
US4778601A (en) * | 1984-10-09 | 1988-10-18 | Millipore Corporation | Microporous membranes of ultrahigh molecular weight polyethylene |
DE3676211D1 (de) * | 1985-02-25 | 1991-01-31 | Tonen Corp | Mikroporoese membran aus einem alpha-olefinpolymer mit ultrahoch-molekulargewicht. |
JPH0775622B2 (ja) * | 1985-07-16 | 1995-08-16 | テルモ株式会社 | 人工肺用中空糸膜、その製造方法およびその中空糸膜を用いた人工肺 |
US4609584A (en) * | 1985-09-19 | 1986-09-02 | Minnesota Mining And Manufacturing Company | Absorptive devices |
US4726989A (en) * | 1986-12-11 | 1988-02-23 | Minnesota Mining And Manufacturing | Microporous materials incorporating a nucleating agent and methods for making same |
US4867881A (en) * | 1987-09-14 | 1989-09-19 | Minnesota Minning And Manufacturing Company | Orientied microporous film |
BR8907138A (pt) * | 1988-11-10 | 1991-02-13 | Memtec Ltd | Processo de preparacao de material polimerico poroso e produto resultante |
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 |
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 |
-
1979
- 1979-07-11 NO NO792308A patent/NO153879C/no unknown
- 1979-07-18 CH CH662779A patent/CH644789A5/de not_active IP Right Cessation
- 1979-07-19 IT IT49805/79A patent/IT1118157B/it active
- 1979-07-26 DK DK314779A patent/DK152439C/da not_active IP Right Cessation
- 1979-07-27 NL NLAANVRAGE7905816,A patent/NL189969C/xx not_active IP Right Cessation
- 1979-07-27 AU AU49328/79A patent/AU531433B2/en not_active Ceased
- 1979-07-27 FI FI792365A patent/FI70733C/fi not_active IP Right Cessation
- 1979-07-27 LU LU81555A patent/LU81555A1/de unknown
- 1979-07-30 GB GB7926410A patent/GB2026381B/en not_active Expired
- 1979-07-30 FR FR7919613A patent/FR2432329A1/fr active Granted
- 1979-07-30 SE SE7906441A patent/SE7906441L/xx not_active Application Discontinuation
- 1979-07-30 CA CA000332858A patent/CA1140308A/en not_active Expired
- 1979-07-30 BR BR7904888A patent/BR7904888A/pt not_active IP Right Cessation
- 1979-07-30 ES ES482967A patent/ES482967A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
NL7905816A (nl) | 1980-02-04 |
DK314779A (da) | 1980-02-01 |
ES8101135A1 (es) | 1980-12-01 |
FR2432329A1 (fr) | 1980-02-29 |
FR2432329B1 (es) | 1984-01-27 |
NO792308L (no) | 1980-02-01 |
NO153879B (no) | 1986-03-03 |
GB2026381B (en) | 1982-08-18 |
AU531433B2 (en) | 1983-08-25 |
FI70733B (fi) | 1986-06-26 |
AU4932879A (en) | 1980-02-07 |
DK152439B (da) | 1988-02-29 |
NO153879C (no) | 1986-06-11 |
CA1140308A (en) | 1983-02-01 |
GB2026381A (en) | 1980-02-06 |
FI792365A (fi) | 1980-02-01 |
FI70733C (fi) | 1986-10-06 |
NL189969B (nl) | 1993-04-16 |
BR7904888A (pt) | 1980-04-22 |
LU81555A1 (de) | 1979-10-31 |
ES482967A0 (es) | 1980-12-01 |
IT7949805A0 (it) | 1979-07-19 |
NL189969C (nl) | 1993-09-16 |
SE7906441L (sv) | 1980-02-01 |
DK152439C (da) | 1988-09-12 |
CH644789A5 (de) | 1984-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960607 |