IT1131098B - PROCEDURE FOR THE PREPARATION OF ANISOTROP MEMBRANES AND MEMBRANES PRODUCED BY IT - Google Patents
PROCEDURE FOR THE PREPARATION OF ANISOTROP MEMBRANES AND MEMBRANES PRODUCED BY ITInfo
- Publication number
- IT1131098B IT1131098B IT20971/80A IT2097180A IT1131098B IT 1131098 B IT1131098 B IT 1131098B IT 20971/80 A IT20971/80 A IT 20971/80A IT 2097180 A IT2097180 A IT 2097180A IT 1131098 B IT1131098 B IT 1131098B
- Authority
- IT
- Italy
- Prior art keywords
- membranes
- anisotrop
- procedure
- preparation
- produced
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title 2
Classifications
-
- 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions 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
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
- B01D67/00165—Composition of the coagulation baths
-
- 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
- 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
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
- C08J3/096—Nitrogen containing compounds
-
- 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
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/34—Molecular weight or degree of polymerisation
-
- 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
- C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
- C08J2381/06—Polysulfones; Polyethersulfones
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2475479A | 1979-03-28 | 1979-03-28 | |
US11785180A | 1980-02-20 | 1980-02-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8020971A0 IT8020971A0 (en) | 1980-03-27 |
IT1131098B true IT1131098B (en) | 1986-06-18 |
Family
ID=26698833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20971/80A IT1131098B (en) | 1979-03-28 | 1980-03-27 | PROCEDURE FOR THE PREPARATION OF ANISOTROP MEMBRANES AND MEMBRANES PRODUCED BY IT |
Country Status (20)
Country | Link |
---|---|
AR (1) | AR220972A1 (en) |
AU (1) | AU532082B2 (en) |
BR (1) | BR8001873A (en) |
CA (1) | CA1141510A (en) |
DD (1) | DD150066A5 (en) |
DE (1) | DE3011917A1 (en) |
DK (1) | DK131780A (en) |
ES (1) | ES8107038A1 (en) |
FI (1) | FI800977A (en) |
FR (1) | FR2452507A1 (en) |
GB (2) | GB2100181B (en) |
GR (1) | GR67255B (en) |
IL (1) | IL59581A0 (en) |
IT (1) | IT1131098B (en) |
NL (1) | NL8001845A (en) |
NO (1) | NO800893L (en) |
PT (1) | PT71024A (en) |
RO (1) | RO79464A (en) |
SE (1) | SE8002388L (en) |
YU (1) | YU86080A (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831204B2 (en) * | 1980-03-10 | 1983-07-05 | 日東電工株式会社 | polysulfone semipermeable membrane |
CA1255860A (en) * | 1982-12-10 | 1989-06-20 | Katsuya Yamada | Selectively permeable asymetric membrane of aromatic polyester |
JPS59189903A (en) * | 1983-04-09 | 1984-10-27 | Kanegafuchi Chem Ind Co Ltd | Hollow yarn like filter and preparation thereof |
FR2593721B1 (en) * | 1986-02-05 | 1988-05-20 | Rhone Poulenc Rech | COMPOSITE HOLLOW FIBER FOR REMOVING WATER VAPOR FROM AIR OR CARBON GAS |
US4728346A (en) * | 1986-08-15 | 1988-03-01 | Permea Inc. | Permeation modified asymmetric gas separation membranes having graded density skins |
DE3782120T2 (en) * | 1986-08-15 | 1993-02-11 | Permea Inc | ASYMMETRIC GAS SEPARATION MEMBRANES, THE SKIN OF WHICH HAVE A DENSITY RADIENT. |
US4871494A (en) * | 1986-08-15 | 1989-10-03 | Permea, Inc. | Process for forming asymmetric gas separation membranes having graded density skins |
US4900626A (en) * | 1987-07-28 | 1990-02-13 | Rhone-Poulenc Recherches | Hollow composite fibers selectively permeable to water vapor |
US4843733A (en) * | 1988-05-10 | 1989-07-04 | The Dow Chemical Company | Process for drying water-wet polycarbonate membranes |
DE3829752A1 (en) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | INTEGRAL ASYMMETRICAL POLYAETHERSULPHONE MEMBRANE, METHOD FOR THE PRODUCTION AND USE FOR ULTRAFILTRATION AND MICROFILTRATION |
US4900334A (en) * | 1988-11-09 | 1990-02-13 | The Dow Chemical Company | Process for treating a liquid-wet polycarbonate membrane to improve its gas separation properties |
GB8916441D0 (en) * | 1989-07-19 | 1989-09-06 | Ici Plc | Membranes |
US4959082A (en) * | 1989-07-20 | 1990-09-25 | The Dow Chemical Company | Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same |
CA2020511A1 (en) * | 1989-09-05 | 1991-03-06 | Francis X. Mueller, Jr. | Gas separation membrane and process |
US5009678A (en) * | 1989-10-31 | 1991-04-23 | Union Carbide Industrial Gases Technology Corporation | Process for recovery of ammonia from an ammonia-containing gas mixture |
JP3232117B2 (en) * | 1991-11-19 | 2001-11-26 | 鐘淵化学工業株式会社 | Polysulfone porous hollow fiber |
US5788862A (en) * | 1992-05-13 | 1998-08-04 | Pall Corporation | Filtration medium |
US5480554A (en) * | 1992-05-13 | 1996-01-02 | Pall Corporation | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same |
CN109312151B (en) | 2016-06-23 | 2021-08-24 | 杜邦安全与建设公司 | Use of polysulfone solutions in N-acyl morpholines for the production of UF membranes |
CN110342910B (en) * | 2019-08-21 | 2021-08-31 | 中国石油化工股份有限公司 | Method for preparing ceramic hollow fiber membrane from FCC (fluid catalytic cracking) waste catalyst and ceramic hollow fiber membrane |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2404719A (en) * | 1942-06-17 | 1946-07-23 | Du Pont | Acrylonitrile polymer solutions |
FR1586563A (en) * | 1968-10-29 | 1970-02-20 | ||
US3775361A (en) * | 1971-10-21 | 1973-11-27 | Du Pont | Preparation of stable concentrated solutions of aromatic nitrogen-linked condensation polymers |
US4127625A (en) * | 1975-03-27 | 1978-11-28 | Daicel Ltd. | Process for preparing hollow fiber having selective gas permeability |
ZA762209B (en) * | 1975-04-23 | 1977-04-27 | Envirogenics Syst | Gas separation membrane |
FR2410501A1 (en) * | 1976-11-15 | 1979-06-29 | Monsanto Co | MULTI-COMPONENT MEMBRANES FOR GAS SEPARATIONS |
-
1980
- 1980-03-11 IL IL59581A patent/IL59581A0/en unknown
- 1980-03-25 ES ES489884A patent/ES8107038A1/en not_active Expired
- 1980-03-26 AR AR280443A patent/AR220972A1/en active
- 1980-03-27 PT PT71024A patent/PT71024A/en unknown
- 1980-03-27 FR FR8006858A patent/FR2452507A1/en not_active Withdrawn
- 1980-03-27 YU YU00860/80A patent/YU86080A/en unknown
- 1980-03-27 DE DE19803011917 patent/DE3011917A1/en not_active Ceased
- 1980-03-27 AU AU56891/80A patent/AU532082B2/en not_active Ceased
- 1980-03-27 RO RO80100644A patent/RO79464A/en unknown
- 1980-03-27 GB GB8218393A patent/GB2100181B/en not_active Expired
- 1980-03-27 DD DD80219976A patent/DD150066A5/en unknown
- 1980-03-27 BR BR8001873A patent/BR8001873A/en unknown
- 1980-03-27 IT IT20971/80A patent/IT1131098B/en active
- 1980-03-27 CA CA000348807A patent/CA1141510A/en not_active Expired
- 1980-03-27 NO NO800893A patent/NO800893L/en unknown
- 1980-03-27 SE SE8002388A patent/SE8002388L/en not_active Application Discontinuation
- 1980-03-27 GR GR61547A patent/GR67255B/el unknown
- 1980-03-27 GB GB8010315A patent/GB2047162B/en not_active Expired
- 1980-03-27 DK DK131780A patent/DK131780A/en unknown
- 1980-03-28 NL NL8001845A patent/NL8001845A/en not_active Application Discontinuation
- 1980-03-28 FI FI800977A patent/FI800977A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB2047162B (en) | 1983-02-02 |
DE3011917A1 (en) | 1980-10-02 |
GB2100181A (en) | 1982-12-22 |
DK131780A (en) | 1980-09-29 |
ES489884A0 (en) | 1981-10-01 |
ES8107038A1 (en) | 1981-10-01 |
DD150066A5 (en) | 1981-08-12 |
NL8001845A (en) | 1980-09-30 |
YU86080A (en) | 1983-02-28 |
IL59581A0 (en) | 1980-06-30 |
FI800977A (en) | 1980-09-29 |
BR8001873A (en) | 1980-11-25 |
GB2047162A (en) | 1980-11-26 |
FR2452507A1 (en) | 1980-10-24 |
SE8002388L (en) | 1980-09-29 |
CA1141510A (en) | 1983-02-22 |
IT8020971A0 (en) | 1980-03-27 |
AU5689180A (en) | 1980-10-02 |
AR220972A1 (en) | 1980-12-15 |
AU532082B2 (en) | 1983-09-15 |
NO800893L (en) | 1980-09-29 |
PT71024A (en) | 1980-04-01 |
GR67255B (en) | 1981-06-26 |
RO79464A (en) | 1982-07-06 |
GB2100181B (en) | 1983-11-02 |
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