JPS6111780B2 - - Google Patents

Info

Publication number
JPS6111780B2
JPS6111780B2 JP52128776A JP12877677A JPS6111780B2 JP S6111780 B2 JPS6111780 B2 JP S6111780B2 JP 52128776 A JP52128776 A JP 52128776A JP 12877677 A JP12877677 A JP 12877677A JP S6111780 B2 JPS6111780 B2 JP S6111780B2
Authority
JP
Japan
Prior art keywords
tube
vinylidene fluoride
fluoride polymer
polymer
birefringence
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
JP52128776A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5462273A (en
Inventor
Akinari Mizuno
Mitsuru Oota
Takao Ichii
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
Application filed by Kureha Corp filed Critical Kureha Corp
Priority to JP12877677A priority Critical patent/JPS5462273A/ja
Priority to GB273878A priority patent/GB1553050A/en
Priority to DE19782803198 priority patent/DE2803198A1/de
Priority to FR7802411A priority patent/FR2378624A1/fr
Publication of JPS5462273A publication Critical patent/JPS5462273A/ja
Publication of JPS6111780B2 publication Critical patent/JPS6111780B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06—Tubular membrane modules
    • B01D63/061—Manufacturing thereof
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping 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
    • 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
    • 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
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP12877677A 1977-01-27 1977-10-28 Method of making microporous tube of vinylidene fluoride polymer Granted JPS5462273A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12877677A JPS5462273A (en) 1977-10-28 1977-10-28 Method of making microporous tube of vinylidene fluoride polymer
GB273878A GB1553050A (en) 1977-01-27 1978-01-24 Process for producing microporous tube of a vinylidene fluoride polymer
DE19782803198 DE2803198A1 (de) 1977-01-27 1978-01-25 Verfahren zur herstellung eines mikroporoesen rohrs aus einem vinylidenfluoridpolymerisat und nach dem verfahren hergestelltes mikroporoeses rohr
FR7802411A FR2378624A1 (fr) 1977-01-27 1978-01-27 Procede perfectionne pour preparer un tube microporeux en polymere du fluorure de vinylidene

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5462273A JPS5462273A (en) 1979-05-19
JPS6111780B2 true JPS6111780B2 (2) 1986-04-04

Family

ID=14993176

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5462273A (2)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004092257A1 (ja) 2003-04-16 2004-10-28 Kureha Corporation フッ化ビニリデン系樹脂多孔膜及びその製造方法
US7338692B2 (en) * 2003-09-12 2008-03-04 3M Innovative Properties Company Microporous PVDF films
JP2007308724A (ja) * 2007-08-31 2007-11-29 Asahi Glass Co Ltd フッ素樹脂の硬質多孔質成形体

Also Published As

Publication number Publication date
JPS5462273A (en) 1979-05-19

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