IT1080521B - Procedimento per la produzione di membrane semi permeabili - Google Patents
Procedimento per la produzione di membrane semi permeabiliInfo
- Publication number
- IT1080521B IT1080521B IT7651976A IT5197676A IT1080521B IT 1080521 B IT1080521 B IT 1080521B IT 7651976 A IT7651976 A IT 7651976A IT 5197676 A IT5197676 A IT 5197676A IT 1080521 B IT1080521 B IT 1080521B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- permeable membranes
- semi permeable
- semi
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title 1
Classifications
-
- 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
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
-
- 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
- B01D67/00111—Polymer pretreatment in the casting solutions
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/18—Polymers of nitriles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/755—Membranes, diaphragms
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50131253A JPS5254688A (en) | 1975-10-30 | 1975-10-30 | Method of producing semipermeable memebrane |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1080521B true IT1080521B (it) | 1985-05-16 |
Family
ID=15053575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7651976A IT1080521B (it) | 1975-10-30 | 1976-10-29 | Procedimento per la produzione di membrane semi permeabili |
Country Status (8)
Country | Link |
---|---|
US (1) | US4107049A (it) |
JP (1) | JPS5254688A (it) |
DE (1) | DE2649543A1 (it) |
DK (1) | DK490876A (it) |
FR (1) | FR2329319A2 (it) |
GB (1) | GB1540156A (it) |
IT (1) | IT1080521B (it) |
NL (1) | NL7612067A (it) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5226380A (en) * | 1975-08-25 | 1977-02-26 | Sumitomo Chem Co Ltd | Method of making semipermeable membranes |
US4199448A (en) * | 1976-06-09 | 1980-04-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Reverse osmosis membrane of high urea rejection properties |
NZ184767A (en) * | 1976-08-05 | 1980-03-05 | Tecneco Spa | Assymetric membranes from fluorinated polymeric materials |
US4261937A (en) * | 1979-04-03 | 1981-04-14 | The United States Of America As Represented By The Department Of Energy | Method of making metal-doped organic foam products |
JPS56830A (en) * | 1979-06-18 | 1981-01-07 | Shin Etsu Chem Co Ltd | Surface treatment of acrylic resin molded product |
IL60886A (en) * | 1980-08-20 | 1984-03-30 | Yissum Res Dev Co | Method for producing permeable polymeric membranes |
JPS5794305A (en) * | 1980-12-02 | 1982-06-11 | Sumitomo Chem Co Ltd | Gas separating membrane made of acrylonitrile polymer hollow fiber and its manufacture |
JPS58134057U (ja) * | 1982-03-05 | 1983-09-09 | 三菱電機株式会社 | 電気機器 |
JPS6182806A (ja) * | 1984-09-28 | 1986-04-26 | Sumitomo Electric Ind Ltd | 液体膜 |
US4627859A (en) * | 1985-02-15 | 1986-12-09 | Allied Corporation | Facilitated gas enrichment membrane composites and a process for the preparation thereof |
DE3704546A1 (de) * | 1987-02-13 | 1988-08-25 | Kernforschungsz Karlsruhe | Verfahren zur herstellung eines filters und danach hergestelltes filter |
US4943618A (en) * | 1987-12-18 | 1990-07-24 | Kingston Technologies Limited Partnership | Method for preparing polyacrylonitrile copolymers by heterogeneous reaction of polyacrylonitrile aquagel |
US5443743A (en) * | 1991-09-11 | 1995-08-22 | Pall Corporation | Gas plasma treated porous medium and method of separation using same |
US5236636A (en) * | 1991-10-07 | 1993-08-17 | Ford Motor Company | In-mold plasma treatment |
US5227180A (en) * | 1991-10-07 | 1993-07-13 | Tisack Michael D | Apparatus for applying an electric field |
US5660639A (en) * | 1995-10-17 | 1997-08-26 | Ford Motor Company | Method and apparatus for plasma treating an article |
DE19811997C1 (de) * | 1998-03-19 | 1999-07-15 | Geesthacht Gkss Forschung | Lösemittel- und säurestabile Membran auf Basis von Polyacrylnitril (PAN) und einem damit copolymerisierten Comonomer sowie ein Verfahren zur Herstellung dieser Membran |
NL1009956C2 (nl) * | 1998-08-27 | 2000-02-29 | Tno | Werkwijze voor het aanbrengen van een bekleding op een substraat. |
US20050102851A1 (en) * | 2003-11-15 | 2005-05-19 | Tianqing He | Device and methods for rapid drying of porous materials |
JP4930913B2 (ja) * | 2005-09-12 | 2012-05-16 | 東レバッテリーセパレータフィルム合同会社 | 多孔性素材のプラズマ処理方法及び処理装置 |
GB0721527D0 (en) * | 2007-11-02 | 2007-12-12 | P2I Ltd | Filtration Membranes |
US8408013B2 (en) | 2010-06-30 | 2013-04-02 | Instrotek, Inc. | Lightweight portable moisture traps for use with vacuum pumps |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3657113A (en) * | 1970-02-03 | 1972-04-18 | Mobil Oil Corp | Separating fluids with selective membranes |
US3846521A (en) * | 1971-02-03 | 1974-11-05 | Union Carbide Corp | Low energy electron beam treatment of polymeric films, and apparatus therefore |
JPS5516684B2 (it) * | 1972-09-01 | 1980-05-06 | ||
US3847652A (en) * | 1972-12-08 | 1974-11-12 | Nasa | Method of preparing water purification membranes |
JPS5331105B2 (it) * | 1973-03-27 | 1978-08-31 | ||
NL174020C (nl) * | 1973-09-07 | 1984-04-16 | Sumitomo Chemical Co | Werkwijze voor het vervaardigen van een membraan voor het scheiden van stoffen, en het vervaardigde membraan. |
JPS568645B2 (it) * | 1974-09-05 | 1981-02-25 |
-
1975
- 1975-10-30 JP JP50131253A patent/JPS5254688A/ja active Granted
-
1976
- 1976-10-27 US US05/736,071 patent/US4107049A/en not_active Expired - Lifetime
- 1976-10-29 FR FR7632707A patent/FR2329319A2/fr active Granted
- 1976-10-29 IT IT7651976A patent/IT1080521B/it active
- 1976-10-29 NL NL7612067A patent/NL7612067A/xx unknown
- 1976-10-29 DK DK490876A patent/DK490876A/da not_active Application Discontinuation
- 1976-10-29 DE DE19762649543 patent/DE2649543A1/de not_active Ceased
- 1976-11-01 GB GB45336/76A patent/GB1540156A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK490876A (da) | 1977-05-01 |
FR2329319A2 (fr) | 1977-05-27 |
DE2649543A1 (de) | 1977-05-12 |
NL7612067A (nl) | 1977-05-03 |
GB1540156A (en) | 1979-02-07 |
FR2329319B2 (it) | 1981-05-08 |
JPS5254688A (en) | 1977-05-04 |
JPS5543363B2 (it) | 1980-11-06 |
US4107049A (en) | 1978-08-15 |
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