BR7706468A - Membrana consistindo de uma estrutura microporosa que tem propriedades semipermeaveis,e processo para produzir a mesma - Google Patents
Membrana consistindo de uma estrutura microporosa que tem propriedades semipermeaveis,e processo para produzir a mesmaInfo
- Publication number
- BR7706468A BR7706468A BR7706468A BR7706468A BR7706468A BR 7706468 A BR7706468 A BR 7706468A BR 7706468 A BR7706468 A BR 7706468A BR 7706468 A BR7706468 A BR 7706468A BR 7706468 A BR7706468 A BR 7706468A
- Authority
- BR
- Brazil
- Prior art keywords
- semipermeaable
- properties
- produce
- same
- microporous structure
- Prior art date
Links
Classifications
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0683—Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0694—Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only two nitrogen atoms in the ring, e.g. polyquinoxalines
-
- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0622—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0638—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with at least three nitrogen atoms in the ring
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0683—Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0688—Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring, e.g. polyquinolines
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/728,453 US4159251A (en) | 1976-09-29 | 1976-09-29 | Ultrafiltration membranes based on heteroaromatic polymers |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7706468A true BR7706468A (pt) | 1978-07-18 |
Family
ID=24926911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7706468A BR7706468A (pt) | 1976-09-29 | 1977-09-28 | Membrana consistindo de uma estrutura microporosa que tem propriedades semipermeaveis,e processo para produzir a mesma |
Country Status (15)
Country | Link |
---|---|
US (1) | US4159251A (pt) |
JP (1) | JPS5343086A (pt) |
AR (1) | AR224335A1 (pt) |
AU (1) | AU506076B2 (pt) |
BR (1) | BR7706468A (pt) |
CA (1) | CA1108361A (pt) |
DE (1) | DE2743673C3 (pt) |
DK (1) | DK429377A (pt) |
ES (1) | ES462762A1 (pt) |
FR (1) | FR2392697A1 (pt) |
GB (1) | GB1592201A (pt) |
IT (1) | IT1084541B (pt) |
NL (1) | NL7710673A (pt) |
NO (1) | NO146309C (pt) |
SE (1) | SE7710751L (pt) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5351184A (en) * | 1976-10-21 | 1978-05-10 | Du Pont | Selective permeation membranes*solution for making same and method of manufacturing same |
ZA792326B (en) * | 1978-05-15 | 1980-06-25 | Pall Corp | Process for preparing polyamide membrane filter media and product |
BR8102065A (pt) * | 1980-04-08 | 1981-10-13 | Brunswick Corp | Membrana de ultrafiltracao assimetrica polimera integral |
EP0048901B1 (en) * | 1980-09-25 | 1985-07-31 | Terumo Corporation | Plasma separator |
FR2577227B1 (fr) * | 1985-02-11 | 1987-05-15 | Inst Nat Rech Chimique | Membranes asymetriques ou composites a base de polyquinoxalines, leur application possible en permeation gazeuse et plus particulierement pour le fractionnement des melanges gazeux, et notamment la deshydratation et la desacidification des gaz, specialement les hydrocarbures gazeux |
DE3764541D1 (de) * | 1986-05-30 | 1990-10-04 | Mitsubishi Rayon Co | Verfahren zur herstellung von poroesen membranen. |
SE456244B (sv) * | 1987-01-19 | 1988-09-19 | Casco Nobel Ab | Sett och anleggning for separation genom ultrafiltrering av vattenlosliga syntetiska polymerer |
WO1992003488A1 (en) * | 1990-08-16 | 1992-03-05 | Maxdem Incorporated | Fluorinated quinoline polymers and the corresponding fluorinated monomers |
US5344981A (en) * | 1990-08-16 | 1994-09-06 | Maxdem Incorporated | Fluorinated monomers useful for preparing fluorinated polyquinoline polymers |
JP2531906B2 (ja) * | 1991-09-13 | 1996-09-04 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 発泡重合体 |
MY112945A (en) * | 1994-12-20 | 2001-10-31 | Ibm | Electronic devices comprising dielectric foamed polymers |
US20030038081A1 (en) * | 2001-08-14 | 2003-02-27 | I-Fan Wang | High strength asymmetric cellulosic membrane |
DE102006045282C5 (de) * | 2006-09-22 | 2012-11-22 | Helmholtz-Zentrum Geesthacht Zentrum für Material-und Küstenforschung GmbH | Isoporöse Membran und Verfahren zu ihrer Herstellung |
EP4032603A1 (en) | 2021-01-22 | 2022-07-27 | Paul Charles Reardon | Filter |
EP4281209A1 (en) | 2021-01-22 | 2023-11-29 | Paul Charles Reardon | Filter |
KR20240018651A (ko) * | 2021-06-15 | 2024-02-13 | 엔테그리스, 아이엔씨. | 폴리(퀴놀린) 막 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3227510A (en) * | 1958-03-04 | 1966-01-04 | Tee Pak Inc | Dyeing substrates ionically binding in localized areas catalysts for the predyeing olefin polymerization thereon |
DE123476C (pt) * | 1960-09-19 | |||
US3498981A (en) * | 1966-11-08 | 1970-03-03 | Ashland Oil Inc | Substituted as-triazines |
US3615024A (en) * | 1968-08-26 | 1971-10-26 | Amicon Corp | High flow membrane |
US3567632A (en) * | 1968-09-04 | 1971-03-02 | Du Pont | Permselective,aromatic,nitrogen-containing polymeric membranes |
US3509108A (en) * | 1969-03-04 | 1970-04-28 | Celanese Corp | Preparation of polybenzimidazoles |
US3657113A (en) * | 1970-02-03 | 1972-04-18 | Mobil Oil Corp | Separating fluids with selective membranes |
US3699038A (en) * | 1970-04-22 | 1972-10-17 | Celanese Corp | Production of improved semipermeable polybenzimidazole membranes |
US3661850A (en) * | 1970-07-16 | 1972-05-09 | John K Stille | Quinoxaline polymers,methods of making same and compositions thereof |
US3766141A (en) * | 1971-09-27 | 1973-10-16 | Us Navy | Polyquinoxalines containing flexibilizing groups in the polymer chain |
US3945926A (en) * | 1971-10-18 | 1976-03-23 | Chemical Systems, Inc. | Integral microporous high void volume polycarbonate membranes and a dry process for forming same |
FR2197037A1 (en) * | 1972-08-24 | 1974-03-22 | Boeing Co | Poly-as-triazines - prepd from a dihydrazidine and a bis-(1,2-dicarbonyl) cpd in non-stoichiometric amts |
US3816303A (en) * | 1972-12-20 | 1974-06-11 | Us Interior | Poly(n-amido)imides as semipermeable membranes |
GB1473946A (en) * | 1973-05-03 | 1977-05-18 | Exxon Research Engineering Co | Cellular heterocyclic polymer structures |
US3993625A (en) * | 1973-05-28 | 1976-11-23 | Toray Industries, Inc. | Permselective polymeric membranes of organic polyamide or polyhydrazide |
DE2418996A1 (de) * | 1974-04-19 | 1975-10-30 | Bayer Ag | Asymmetrische, semipermeable membranen aus polybenz-1,3-oxazindionen-2,4 |
US3926798A (en) * | 1974-10-17 | 1975-12-16 | Us Interior | Reverse osmosis membrane |
DE2602493A1 (de) * | 1975-01-27 | 1976-07-29 | Ramot Plastics | Verfahren zur entfernung von harnstoff aus waessrigen loesungen |
US4020142A (en) * | 1975-08-21 | 1977-04-26 | Celanese Corporation | Chemical modification of polybenzimidazole semipermeable |
-
1976
- 1976-09-29 US US05/728,453 patent/US4159251A/en not_active Expired - Lifetime
-
1977
- 1977-09-07 CA CA286,223A patent/CA1108361A/en not_active Expired
- 1977-09-14 AU AU28790/77A patent/AU506076B2/en not_active Expired
- 1977-09-15 AR AR269213A patent/AR224335A1/es active
- 1977-09-20 GB GB39135/77A patent/GB1592201A/en not_active Expired
- 1977-09-26 SE SE7710751A patent/SE7710751L/ not_active Application Discontinuation
- 1977-09-28 JP JP11654677A patent/JPS5343086A/ja active Granted
- 1977-09-28 IT IT28029/77A patent/IT1084541B/it active
- 1977-09-28 NO NO773315A patent/NO146309C/no unknown
- 1977-09-28 DE DE2743673A patent/DE2743673C3/de not_active Expired
- 1977-09-28 DK DK429377A patent/DK429377A/da not_active Application Discontinuation
- 1977-09-28 BR BR7706468A patent/BR7706468A/pt unknown
- 1977-09-29 NL NL7710673A patent/NL7710673A/xx not_active Application Discontinuation
- 1977-09-29 FR FR7729323A patent/FR2392697A1/fr active Granted
- 1977-09-29 ES ES462762A patent/ES462762A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1108361A (en) | 1981-09-08 |
NO146309B (no) | 1982-06-01 |
JPS5420472B2 (pt) | 1979-07-23 |
GB1592201A (en) | 1981-07-01 |
SE7710751L (sv) | 1978-03-30 |
AR224335A1 (es) | 1981-11-30 |
DE2743673A1 (de) | 1978-03-30 |
JPS5343086A (en) | 1978-04-18 |
DK429377A (da) | 1978-03-30 |
NO146309C (no) | 1982-09-08 |
AU506076B2 (en) | 1979-12-13 |
NL7710673A (nl) | 1978-03-31 |
DE2743673C3 (de) | 1981-06-11 |
FR2392697B1 (pt) | 1981-04-10 |
NO773315L (no) | 1978-03-30 |
FR2392697A1 (fr) | 1978-12-29 |
DE2743673B2 (de) | 1980-07-17 |
US4159251A (en) | 1979-06-26 |
AU2879077A (en) | 1979-03-22 |
IT1084541B (it) | 1985-05-25 |
ES462762A1 (es) | 1978-06-01 |
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