DE3329578C2 - - Google Patents

Info

Publication number
DE3329578C2
DE3329578C2 DE3329578A DE3329578A DE3329578C2 DE 3329578 C2 DE3329578 C2 DE 3329578C2 DE 3329578 A DE3329578 A DE 3329578A DE 3329578 A DE3329578 A DE 3329578A DE 3329578 C2 DE3329578 C2 DE 3329578C2
Authority
DE
Germany
Prior art keywords
mixture
cooling liquid
pvdf
liquid
temperature
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
DE3329578A
Other languages
German (de)
English (en)
Other versions
DE3329578A1 (de
Inventor
Christoph Dr. 8751 Kleinwallstadt De Josefiak
Friedbert 8761 Woerth De Wechs
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.)
Akzo Patente 5600 Wuppertal De GmbH
Original Assignee
Akzo GmbH
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 Akzo GmbH filed Critical Akzo GmbH
Priority to DE3329578A priority Critical patent/DE3329578A1/de
Priority to EP84106771A priority patent/EP0133882B1/de
Priority to DE8484106771T priority patent/DE3481817D1/de
Priority to US06/633,573 priority patent/US4666607A/en
Priority to JP15774484A priority patent/JPH0791688B2/ja
Publication of DE3329578A1 publication Critical patent/DE3329578A1/de
Application granted granted Critical
Publication of DE3329578C2 publication Critical patent/DE3329578C2/de
Granted legal-status Critical Current

Links

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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/002—Organic membrane manufacture from melts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/04—Tubular membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B01D69/087—Details relating to the spinning process
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/42—Details of membrane preparation apparatus
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • 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
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0058—Liquid or visquous
    • B29K2105/0073—Solution
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/045—Condition, form or state of moulded material or of the material to be shaped cellular or porous with open cells
    • 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
    • B29L2031/14—Filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)
DE3329578A 1983-07-30 1983-08-16 Poren aufweisende polyvinylidenfluorid-formkoerper Granted DE3329578A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE3329578A DE3329578A1 (de) 1983-08-16 1983-08-16 Poren aufweisende polyvinylidenfluorid-formkoerper
EP84106771A EP0133882B1 (de) 1983-07-30 1984-06-14 Poren aufweisende Formkörper
DE8484106771T DE3481817D1 (de) 1983-07-30 1984-06-14 Poren aufweisende formkoerper.
US06/633,573 US4666607A (en) 1983-07-30 1984-07-23 Porous shaped bodies, and method and apparatus for the production thereof
JP15774484A JPH0791688B2 (ja) 1983-07-30 1984-07-30 成形体を製造する方法及びそのための装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3329578A DE3329578A1 (de) 1983-08-16 1983-08-16 Poren aufweisende polyvinylidenfluorid-formkoerper

Publications (2)

Publication Number Publication Date
DE3329578A1 DE3329578A1 (de) 1985-03-07
DE3329578C2 true DE3329578C2 (enrdf_load_stackoverflow) 1988-06-16

Family

ID=6206684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3329578A Granted DE3329578A1 (de) 1983-07-30 1983-08-16 Poren aufweisende polyvinylidenfluorid-formkoerper

Country Status (1)

Country Link
DE (1) DE3329578A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923128A1 (de) * 1989-07-13 1991-01-24 Akzo Gmbh Flach- oder kapillarmembran auf der basis eines homogenen gemisches aus polyvinylidenfluorid und eines zweiten, durch chemische umsetzung hydrophilierbaren polymeren
EP3003538B1 (de) 2013-05-29 2021-05-05 3M Innovative Properties Company Mikroporöse polyvinylidenfluorid-membran

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen

Also Published As

Publication number Publication date
DE3329578A1 (de) 1985-03-07

Similar Documents

Publication Publication Date Title
EP0133882B1 (de) Poren aufweisende Formkörper
DE69130879T2 (de) Polyvinylidenmembrane
DE69214226T2 (de) Hohlfasenmembranen
DE68923319T2 (de) Fluorkohlenstoff- Membranen und Verfahren zur Herstellung von Fluorkohlenstoff-Membranen.
DE68914149T2 (de) Poröse membranen.
EP0361085B1 (de) Integrale asymmetrische Polyäthersulfonmembran, Verfahren zur Herstellung und Verwendung zur Ultrafiltration und Mikrofiltration
DE2833493C2 (de) Hohlfäden
DE3544206C2 (enrdf_load_stackoverflow)
DE3023058C2 (enrdf_load_stackoverflow)
DE69233584T2 (de) Ultraporöse und mikroporöse Membranen
EP1140331B1 (de) Verfahren zur herstellung einer integral asymmetrischen polyolefinmembran
DE2829630C3 (de) Semipermeable Membran und Verfahren zu ihrer Herstellung
EP0999889B1 (de) Integral asymmetrische polyolefinmembran zum gasaustausch
DE69427022T2 (de) Verfahren zum herstellen von mikroporösen polyphenylensulphide(pps) membranen
DE3205289A1 (de) Verfahren zur herstellung von poroesen koerpern mit einstellbarem gesamtporenvolumen, einstellbarer porengroesse und einstellbarer porenwandung
WO2000043114A1 (de) Integral asymmetrische polyolefinmembran
DE69322776T2 (de) Verfahren zur herstellung einer mikroporösen polyvinylidenfluorid-membran
DE1941932B2 (de) Permeabilitätsselektrive Kunststoffmembran, aus Stickstoffverbindungen aufweisenden linearen Polykondensationsprodukten, Verfahren zu ihrer Herstellung und ihre Verwendung
DD140052A5 (de) Mikroporoese polymerstrukturen und verfahren zu ihrer herstellung
DE4113420A1 (de) Polyacrylnitril-hohlfaeden aus speziellen spinnloesungen nach dem dry/wet- oder nass-spinnverfahren
CH644789A5 (de) Membran mit poroeser oberflaeche.
DE4226205C2 (de) Verfahren zur Herstellung von porösen Polyolefintrennmembranen über thermisch induzierte Phasentrennung
WO2016071271A1 (de) Mikroporöse polyvinylidenfluori d-flachmembran und ihre herstellung
DE3327638C2 (de) Verfahren und Vorrichtung zur Herstellung Poren aufweisender Formkörper
DE60036857T2 (de) Verfahren zur herstellung von mikroporösen hohlfasermembranen aus perfluorinierten thermoplastischen polymeren

Legal Events

Date Code Title Description
AF Is addition to no.

Ref country code: DE

Ref document number: 3327638

Format of ref document f/p: P

OP8 Request for examination as to paragraph 44 patent law
AF Is addition to no.

Ref country code: DE

Ref document number: 3327638

Format of ref document f/p: P

8180 Miscellaneous part 1

Free format text: ES ERFOLGT EIN ERGAENZUNGSDRUCK MIT DEN BESCHREIBUNGSSEITEN 1 UND 2

AF Is addition to no.

Ref country code: DE

Ref document number: 3327638

Format of ref document f/p: P

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AKZO PATENTE GMBH, 5600 WUPPERTAL, DE

8340 Patent of addition ceased/non-payment of fee of main patent