RO79464A - ANIZOTROPA MEMBRANE FOR GAS DETECTION - Google Patents
ANIZOTROPA MEMBRANE FOR GAS DETECTIONInfo
- Publication number
- RO79464A RO79464A RO80100644A RO10064480A RO79464A RO 79464 A RO79464 A RO 79464A RO 80100644 A RO80100644 A RO 80100644A RO 10064480 A RO10064480 A RO 10064480A RO 79464 A RO79464 A RO 79464A
- Authority
- RO
- Romania
- Prior art keywords
- anizotropa
- membrane
- gas detection
- detection
- gas
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 1
- 239000012528 membrane Substances 0.000 title 1
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
-
- 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)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (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 (1)
| Publication Number | Publication Date |
|---|---|
| RO79464A true RO79464A (en) | 1982-07-06 |
Family
ID=26698833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO80100644A RO79464A (en) | 1979-03-28 | 1980-03-27 | ANIZOTROPA MEMBRANE FOR GAS DETECTION |
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) | GB2047162B (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 |
| US4871494A (en) * | 1986-08-15 | 1989-10-03 | Permea, Inc. | Process for forming 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. |
| 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 |
| US5480554A (en) * | 1992-05-13 | 1996-01-02 | Pall Corporation | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same |
| US5788862A (en) * | 1992-05-13 | 1998-08-04 | Pall Corporation | Filtration medium |
| EP3475364B1 (en) | 2016-06-23 | 2022-06-22 | DuPont Safety & Construction, Inc. | Use of a solution of polysulfone in n-acyl-morpholine for the fabrication 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 DE DE19803011917 patent/DE3011917A1/en not_active Ceased
- 1980-03-27 YU YU00860/80A patent/YU86080A/en unknown
- 1980-03-27 SE SE8002388A patent/SE8002388L/en not_active Application Discontinuation
- 1980-03-27 BR BR8001873A patent/BR8001873A/en unknown
- 1980-03-27 GB GB8010315A patent/GB2047162B/en not_active Expired
- 1980-03-27 PT PT71024A patent/PT71024A/en unknown
- 1980-03-27 NO NO800893A patent/NO800893L/en unknown
- 1980-03-27 RO RO80100644A patent/RO79464A/en unknown
- 1980-03-27 IT IT20971/80A patent/IT1131098B/en active
- 1980-03-27 FR FR8006858A patent/FR2452507A1/en not_active Withdrawn
- 1980-03-27 DD DD80219976A patent/DD150066A5/en unknown
- 1980-03-27 GB GB8218393A patent/GB2100181B/en not_active Expired
- 1980-03-27 GR GR61547A patent/GR67255B/el unknown
- 1980-03-27 AU AU56891/80A patent/AU532082B2/en not_active Ceased
- 1980-03-27 DK DK131780A patent/DK131780A/en unknown
- 1980-03-27 CA CA000348807A patent/CA1141510A/en not_active Expired
- 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 |
|---|---|
| GB2100181B (en) | 1983-11-02 |
| NO800893L (en) | 1980-09-29 |
| AU532082B2 (en) | 1983-09-15 |
| GB2047162B (en) | 1983-02-02 |
| NL8001845A (en) | 1980-09-30 |
| GR67255B (en) | 1981-06-26 |
| ES489884A0 (en) | 1981-10-01 |
| GB2047162A (en) | 1980-11-26 |
| SE8002388L (en) | 1980-09-29 |
| GB2100181A (en) | 1982-12-22 |
| AU5689180A (en) | 1980-10-02 |
| AR220972A1 (en) | 1980-12-15 |
| BR8001873A (en) | 1980-11-25 |
| CA1141510A (en) | 1983-02-22 |
| FI800977A (en) | 1980-09-29 |
| DK131780A (en) | 1980-09-29 |
| IT8020971A0 (en) | 1980-03-27 |
| FR2452507A1 (en) | 1980-10-24 |
| YU86080A (en) | 1983-02-28 |
| DD150066A5 (en) | 1981-08-12 |
| IT1131098B (en) | 1986-06-18 |
| ES8107038A1 (en) | 1981-10-01 |
| IL59581A0 (en) | 1980-06-30 |
| DE3011917A1 (en) | 1980-10-02 |
| PT71024A (en) | 1980-04-01 |
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