CA982061A - Diaphragm for inverse osmosis and method for the manufacture thereof - Google Patents
Diaphragm for inverse osmosis and method for the manufacture thereofInfo
- Publication number
- CA982061A CA982061A CA110,598A CA110598A CA982061A CA 982061 A CA982061 A CA 982061A CA 110598 A CA110598 A CA 110598A CA 982061 A CA982061 A CA 982061A
- Authority
- CA
- Canada
- Prior art keywords
- diaphragm
- manufacture
- inverse osmosis
- osmosis
- inverse
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 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
- B01D67/0093—Chemical modification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6212—Polymers of alkenylalcohols; Acetals thereof; Oxyalkylation products thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6283—Polymers of nitrogen containing compounds having carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
- C08G18/6423—Polyalkylene polyamines; polyethylenimines; Derivatives thereof
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7013999A FR2088598A5 (xx) | 1970-04-17 | 1970-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA982061A true CA982061A (en) | 1976-01-20 |
Family
ID=9054170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA110,598A Expired CA982061A (en) | 1970-04-17 | 1971-04-16 | Diaphragm for inverse osmosis and method for the manufacture thereof |
Country Status (13)
Country | Link |
---|---|
US (1) | US3837500A (xx) |
BE (1) | BE765463A (xx) |
BR (1) | BR7102267D0 (xx) |
CA (1) | CA982061A (xx) |
CH (1) | CH545641A (xx) |
DE (1) | DE2118625A1 (xx) |
ES (1) | ES390273A1 (xx) |
FR (1) | FR2088598A5 (xx) |
GB (1) | GB1325227A (xx) |
IL (1) | IL36606A (xx) |
NL (1) | NL7105256A (xx) |
SU (1) | SU576015A3 (xx) |
ZA (1) | ZA712323B (xx) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2201911B1 (xx) * | 1972-07-20 | 1974-12-27 | Rhone Poulenc Sa | |
IL43201A (en) * | 1972-09-19 | 1976-11-30 | North Star Res & Dev | Reverse osmosis membrane and its preparation |
DE2615954C3 (de) * | 1975-04-22 | 1981-04-23 | Kuraray Co., Ltd., Kurashiki, Okayama | Membran auf Basis von Polyvinylalkohol |
FR2371477A1 (fr) * | 1976-04-02 | 1978-06-16 | Uop Inc | Procede de preparation de membranes semipermeables composites |
US4248380A (en) * | 1977-12-27 | 1981-02-03 | Airwick Industries, Inc. | Aqueous-based air treating systems |
JPS5727102A (en) * | 1980-07-28 | 1982-02-13 | Nitto Electric Ind Co Ltd | Composite semipermeable membrane and its production |
GB2174619B (en) * | 1985-05-07 | 1989-05-04 | Us Energy | Pervaporation separation of ethanol-water mixtures using polyacrylic acid composite membranes |
GB8620484D0 (en) * | 1986-08-22 | 1986-10-01 | Raychem Ltd | Plugged microporous film |
DK169616B1 (da) * | 1986-08-27 | 1994-12-27 | Dow Danmark | Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf |
US6043177A (en) * | 1997-01-21 | 2000-03-28 | University Technology Corporation | Modification of zeolite or molecular sieve membranes using atomic layer controlled chemical vapor deposition |
US6649255B1 (en) | 1999-03-04 | 2003-11-18 | Douglas E. Fain, Sr. | Article and method for producing extremely small pore inorganic membranes |
DE102009002130A1 (de) | 2009-04-02 | 2010-10-14 | Wacker Chemie Ag | Membranen auf Basis von Polyvinylalkohol |
CN109821419A (zh) * | 2019-02-25 | 2019-05-31 | 舟山腾宇航天新材料有限公司 | 一种高截留率和渗透通量的以陶瓷为支撑体的无机纳滤膜的制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3276996A (en) * | 1963-07-15 | 1966-10-04 | Lazare Leon | Separating water from saline solutions |
US3615024A (en) * | 1968-08-26 | 1971-10-26 | Amicon Corp | High flow membrane |
US3661634A (en) * | 1969-10-31 | 1972-05-09 | Us Interior | Semipermeable osmotic membrane and method of producing same |
-
1970
- 1970-04-17 FR FR7013999A patent/FR2088598A5/fr not_active Expired
-
1971
- 1971-04-08 BE BE765463A patent/BE765463A/xx unknown
- 1971-04-10 CH CH531071A patent/CH545641A/xx not_active IP Right Cessation
- 1971-04-13 IL IL36606A patent/IL36606A/xx unknown
- 1971-04-13 ZA ZA712323A patent/ZA712323B/xx unknown
- 1971-04-16 US US00134815A patent/US3837500A/en not_active Expired - Lifetime
- 1971-04-16 BR BR2267/71A patent/BR7102267D0/pt unknown
- 1971-04-16 CA CA110,598A patent/CA982061A/en not_active Expired
- 1971-04-16 ES ES390273A patent/ES390273A1/es not_active Expired
- 1971-04-16 DE DE19712118625 patent/DE2118625A1/de active Pending
- 1971-04-17 SU SU7101643567A patent/SU576015A3/ru active
- 1971-04-19 GB GB2728871*A patent/GB1325227A/en not_active Expired
- 1971-04-19 NL NL7105256A patent/NL7105256A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE765463A (fr) | 1971-08-30 |
IL36606A (en) | 1974-10-22 |
ES390273A1 (es) | 1975-07-16 |
IL36606A0 (en) | 1971-06-23 |
CH545641A (xx) | 1974-02-15 |
FR2088598A5 (xx) | 1972-01-07 |
GB1325227A (en) | 1973-08-01 |
US3837500A (en) | 1974-09-24 |
NL7105256A (xx) | 1971-10-19 |
BR7102267D0 (pt) | 1973-05-03 |
SU576015A3 (ru) | 1977-10-05 |
DE2118625A1 (de) | 1971-11-04 |
ZA712323B (en) | 1972-01-26 |
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