DE3342824C2 - - Google Patents

Info

Publication number
DE3342824C2
DE3342824C2 DE3342824A DE3342824A DE3342824C2 DE 3342824 C2 DE3342824 C2 DE 3342824C2 DE 3342824 A DE3342824 A DE 3342824A DE 3342824 A DE3342824 A DE 3342824A DE 3342824 C2 DE3342824 C2 DE 3342824C2
Authority
DE
Germany
Prior art keywords
filter element
polysulfone
filter
over
bath
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
DE3342824A
Other languages
German (de)
English (en)
Other versions
DE3342824A1 (de
Inventor
Charles Thomas Dipl.-Chem.-Ing. Dr 6550 Bad Kreuznach De Badenhop
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.)
Pall Filtersystems GmbH
Original Assignee
Seitz Filter Werke Theo and Geo Seitz GmbH and Co
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 Seitz Filter Werke Theo and Geo Seitz GmbH and Co filed Critical Seitz Filter Werke Theo and Geo Seitz GmbH and Co
Priority to DE19833342824 priority Critical patent/DE3342824A1/de
Priority to GB08429137A priority patent/GB2155356B/en
Priority to JP59248260A priority patent/JPH0661437B2/ja
Publication of DE3342824A1 publication Critical patent/DE3342824A1/de
Application granted granted Critical
Publication of DE3342824C2 publication Critical patent/DE3342824C2/de
Granted legal-status Critical Current

Links

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
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • 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
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B01D2325/0233—Asymmetric membranes with clearly distinguishable layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE19833342824 1983-11-26 1983-11-26 Verfahren zum herstellen von filterelementen auf polysulfon-basis Granted DE3342824A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19833342824 DE3342824A1 (de) 1983-11-26 1983-11-26 Verfahren zum herstellen von filterelementen auf polysulfon-basis
GB08429137A GB2155356B (en) 1983-11-26 1984-11-19 Process for the production of filter elements based on polysulphone
JP59248260A JPH0661437B2 (ja) 1983-11-26 1984-11-26 ポリスルホンからなる濾材の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833342824 DE3342824A1 (de) 1983-11-26 1983-11-26 Verfahren zum herstellen von filterelementen auf polysulfon-basis

Publications (2)

Publication Number Publication Date
DE3342824A1 DE3342824A1 (de) 1985-06-05
DE3342824C2 true DE3342824C2 (enrdf_load_stackoverflow) 1989-01-19

Family

ID=6215334

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833342824 Granted DE3342824A1 (de) 1983-11-26 1983-11-26 Verfahren zum herstellen von filterelementen auf polysulfon-basis

Country Status (3)

Country Link
JP (1) JPH0661437B2 (enrdf_load_stackoverflow)
DE (1) DE3342824A1 (enrdf_load_stackoverflow)
GB (1) GB2155356B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE66633T1 (de) * 1985-12-23 1991-09-15 Gelman Sciences Inc Filtermembran und verfahren zu ihrer herstellung.
IL78169A0 (en) * 1986-03-17 1986-07-31 Weizmann Kiryat Membrane Prod Novel membranes and process for making them
DE3829752A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Integrale asymmetrische polyaethersulfonmembran, verfahren zur herstellung und verwendung zur ultrafiltration und mikrofiltration
US4970034A (en) * 1988-09-23 1990-11-13 W. R. Grace & Co.-Conn. Process for preparing isotropic microporous polysulfone membranes
KR19980018147A (ko) * 1996-08-09 1998-06-05 월워크 알란 씨. 폴리머 공극 필터
GB2316015B (en) * 1996-08-10 2000-08-30 Scapa Group Plc Polymer pore structure
US5980746A (en) * 1996-11-14 1999-11-09 Pall Corporation Membrane and methods of preparing and using same
US6045899A (en) 1996-12-12 2000-04-04 Usf Filtration & Separations Group, Inc. Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters
US7229554B2 (en) 2002-09-25 2007-06-12 Novo Nordisk A/S Purification process comprising microfiltration at elevated temperatures
AU2003266216A1 (en) * 2002-09-25 2004-04-19 Novo Nordisk A/S Purification process comprising microfiltration at elevated temperatures

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2138333B1 (enrdf_load_stackoverflow) * 1971-05-24 1974-03-08 Rhone Poulenc Sa
FR2138334B1 (enrdf_load_stackoverflow) * 1971-05-24 1974-03-08 Rhone Poulenc Sa
JPS518179A (en) * 1974-07-11 1976-01-22 Daicel Ltd Sentakutokaseikobunshimakuoyobisono seizoho
JPS5426283A (en) * 1977-08-01 1979-02-27 Mitsui Petrochem Ind Ltd Preparation of semipermeable membrane of polysulfone
JPS5531474A (en) * 1978-08-29 1980-03-05 Nitto Electric Ind Co Ltd Selective permeable membrane
JPS55102416A (en) * 1979-02-01 1980-08-05 Sumitomo Bakelite Co Ltd Preparation of separated film
JPS55106243A (en) * 1979-02-07 1980-08-14 Nitto Electric Ind Co Ltd Preparation of microporous polymer membrane
CA1202837A (en) * 1980-03-14 1986-04-08 Wolfgang J. Wrasidlo Asymmetric membranes and process therefor
DE3161345D1 (en) * 1980-03-28 1983-12-15 Pennwalt Corp Method for preparing a membrane of a film-forming non-sulfonated sulfone polymer
JPS5794310A (en) * 1980-12-05 1982-06-11 Daicel Chem Ind Ltd Production of semipermeable membrane made of polysulfone

Also Published As

Publication number Publication date
DE3342824A1 (de) 1985-06-05
GB2155356B (en) 1987-03-04
GB8429137D0 (en) 1984-12-27
JPS60187309A (ja) 1985-09-24
JPH0661437B2 (ja) 1994-08-17
GB2155356A (en) 1985-09-25

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: SEITZ-FILTER-WERKE GMBH UND CO, 6550 BAD KREUZNACH

8339 Ceased/non-payment of the annual fee