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ES462762A1 - Procedimiento para la produccion de una membrana de ultra- filtracion. - Google Patents

Procedimiento para la produccion de una membrana de ultra- filtracion.

Info

Publication number
ES462762A1
ES462762A1 ES462762A ES462762A ES462762A1 ES 462762 A1 ES462762 A1 ES 462762A1 ES 462762 A ES462762 A ES 462762A ES 462762 A ES462762 A ES 462762A ES 462762 A1 ES462762 A1 ES 462762A1
Authority
ES
Spain
Prior art keywords
procedure
production
ultra
filtration membrane
pyridylidene
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
Application number
ES462762A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pharmaco Inc
Original Assignee
Pharmaco Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pharmaco Inc filed Critical Pharmaco Inc
Publication of ES462762A1 publication Critical patent/ES462762A1/es
Expired legal-status Critical Current

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)

Abstract

Procedimiento para la producción de una membrana de ultrafiltración, caracterizado porque comprende las etapas de: disolver en un disolvente un polímero heteroaromático que tiene la estructura recurrente de una de las siguientes fórmulas o sus hisómeros: ***(Ver fórmula) en donde R es fenileno, difenileno, difeniléter, difenilsulfuro, difenilsulfona, difenilmetano, naftilo, piridilideno o alquileno de 1 a 6 átomos de carbono, R' es hidrógeno, un radical aromático o un radical alifático, X es un enlace carbono-carbono, oxígeno, azufre, sulfota, metileno, isopropileno, carbonilo o piridilideno y n es 10 a 10.000;
ES462762A 1976-09-29 1977-09-29 Procedimiento para la produccion de una membrana de ultra- filtracion. Expired ES462762A1 (es)

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
ES462762A1 true ES462762A1 (es) 1978-06-01

Family

ID=24926911

Family Applications (1)

Application Number Title Priority Date Filing Date
ES462762A Expired ES462762A1 (es) 1976-09-29 1977-09-29 Procedimiento para la produccion de una membrana de ultra- filtracion.

Country Status (15)

Country Link
US (1) US4159251A (es)
JP (1) JPS5343086A (es)
AR (1) AR224335A1 (es)
AU (1) AU506076B2 (es)
BR (1) BR7706468A (es)
CA (1) CA1108361A (es)
DE (1) DE2743673C3 (es)
DK (1) DK429377A (es)
ES (1) ES462762A1 (es)
FR (1) FR2392697A1 (es)
GB (1) GB1592201A (es)
IT (1) IT1084541B (es)
NL (1) NL7710673A (es)
NO (1) NO146309C (es)
SE (1) SE7710751L (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1107424A (en) * 1976-10-21 1981-08-18 E. I. Du Pont De Nemours And Company Permselective membranes and polymeric solution for making same
ZA792326B (en) * 1978-05-15 1980-06-25 Pall Corp Process for preparing polyamide membrane filter media and product
DE3172193D1 (en) * 1980-04-08 1985-10-17 Brunswick Corp Asymmetric ultrafiltration membrane and production thereof
DE3171592D1 (en) * 1980-09-25 1985-09-05 Terumo Corp 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
CA1314667C (en) * 1986-05-30 1993-03-23 Hajime Itoh Process for producing porous membranes
SE456244B (sv) * 1987-01-19 1988-09-19 Casco Nobel Ab Sett och anleggning for separation genom ultrafiltrering av vattenlosliga syntetiska polymerer
EP0752440B1 (en) * 1990-08-16 2001-06-27 Hitachi Chemical Co., Ltd. Monomers suitable for use in preparing fluorinated polyquinolines
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
EP4281209A1 (en) 2021-01-22 2023-11-29 Paul Charles Reardon Filter
EP4032603A1 (en) 2021-01-22 2022-07-27 Paul Charles Reardon Filter
US20220401893A1 (en) * 2021-06-15 2022-12-22 Entegris, Inc. Poly(quinoline) membranes

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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
NL269380A (es) * 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

Also Published As

Publication number Publication date
DE2743673C3 (de) 1981-06-11
DE2743673B2 (de) 1980-07-17
CA1108361A (en) 1981-09-08
NO146309C (no) 1982-09-08
DK429377A (da) 1978-03-30
IT1084541B (it) 1985-05-25
NO773315L (no) 1978-03-30
AR224335A1 (es) 1981-11-30
GB1592201A (en) 1981-07-01
NO146309B (no) 1982-06-01
FR2392697A1 (fr) 1978-12-29
BR7706468A (pt) 1978-07-18
NL7710673A (nl) 1978-03-31
JPS5343086A (en) 1978-04-18
US4159251A (en) 1979-06-26
FR2392697B1 (es) 1981-04-10
SE7710751L (sv) 1978-03-30
DE2743673A1 (de) 1978-03-30
JPS5420472B2 (es) 1979-07-23
AU2879077A (en) 1979-03-22
AU506076B2 (en) 1979-12-13

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990503