DE2803198A1 - Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr - Google Patents

Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr

Info

Publication number
DE2803198A1
DE2803198A1 DE19782803198 DE2803198A DE2803198A1 DE 2803198 A1 DE2803198 A1 DE 2803198A1 DE 19782803198 DE19782803198 DE 19782803198 DE 2803198 A DE2803198 A DE 2803198A DE 2803198 A1 DE2803198 A1 DE 2803198A1
Authority
DE
Germany
Prior art keywords
vinylidene fluoride
tubular
temperature
fluoride polymer
starting material
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.)
Pending
Application number
DE19782803198
Other languages
German (de)
English (en)
Inventor
Takao Ichii
Toshiya Mizuno
Mitsuru Ota
Masahiro Segawa
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.)
Kureha Corp
Original Assignee
Kureha Corp
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
Priority claimed from JP12877677A external-priority patent/JPS5462273A/ja
Application filed by Kureha Corp filed Critical Kureha Corp
Publication of DE2803198A1 publication Critical patent/DE2803198A1/de
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • B01D71/34Polyvinylidene fluoride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06Tubular membrane modules
    • B01D63/061Manufacturing thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2027/00Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0068Permeability to liquids; Adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/14Filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE19782803198 1977-01-27 1978-01-25 Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr Pending DE2803198A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP730577 1977-01-27
JP12877677A JPS5462273A (en) 1977-10-28 1977-10-28 Method of making microporous tube of vinylidene fluoride polymer

Publications (1)

Publication Number Publication Date
DE2803198A1 true DE2803198A1 (de) 1978-08-10

Family

ID=26341580

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782803198 Pending DE2803198A1 (de) 1977-01-27 1978-01-25 Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr

Country Status (3)

Country Link
DE (1) DE2803198A1 (en, 2012)
FR (1) FR2378624A1 (en, 2012)
GB (1) GB1553050A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094679A3 (en) * 1982-05-18 1984-04-11 Asahi Glass Company Ltd. Process for producing an ion exchange membrane
DE3415028A1 (de) * 1984-04-19 1985-10-31 Veritas Gummiwerke AG, 6460 Gelnhausen Verfahren zur herstellung von vulkanisierten gummischlaeuchen

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4377481A (en) * 1980-11-14 1983-03-22 Abcor, Inc. Blended, polymeric, matrix membrane and process of making and using same
US5198505A (en) * 1991-04-11 1993-03-30 Pall Corporation Uniform polyvinylidene difluoride membranes
WO1998038029A1 (en) * 1997-02-25 1998-09-03 Elf Atochem S.A. A thermoplastic fluororesin porous body, a method for the production thereof and use of said porous body for producing a battery cell
US7338692B2 (en) 2003-09-12 2008-03-04 3M Innovative Properties Company Microporous PVDF films
EP3472887A1 (en) 2016-06-20 2019-04-24 Solvay SA Fluoropolymer film

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA921220A (en) * 1966-07-14 1973-02-20 Ishii Hajime Polyvinylidene fluoride films and process for producing the same
FR1544807A (fr) * 1967-09-27 1968-11-08 Celanese Corp Pellicule à cellules ouvertes
US3962153A (en) * 1970-05-21 1976-06-08 W. L. Gore & Associates, Inc. Very highly stretched polytetrafluoroethylene and process therefor
CA980967A (en) * 1971-02-03 1976-01-06 Takayuki Katto Process for producing porous articles of polytetrafluoroethylene
GB1367738A (en) * 1971-07-20 1974-09-25 Kureha Chemical Ind Co Ltd Process for the production of polyvinylidene fluoride resin film
BE769308A (en) * 1971-07-30 1971-12-30 Polaroid Corp Desalination membrane - of corrugated vinyldene fluoride

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094679A3 (en) * 1982-05-18 1984-04-11 Asahi Glass Company Ltd. Process for producing an ion exchange membrane
DE3415028A1 (de) * 1984-04-19 1985-10-31 Veritas Gummiwerke AG, 6460 Gelnhausen Verfahren zur herstellung von vulkanisierten gummischlaeuchen

Also Published As

Publication number Publication date
GB1553050A (en) 1979-09-19
FR2378624A1 (fr) 1978-08-25
FR2378624B1 (en, 2012) 1982-03-26

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DE2803198A1 (de) Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr

Legal Events

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