DE3544206C2 - - Google Patents

Info

Publication number
DE3544206C2
DE3544206C2 DE3544206A DE3544206A DE3544206C2 DE 3544206 C2 DE3544206 C2 DE 3544206C2 DE 3544206 A DE3544206 A DE 3544206A DE 3544206 A DE3544206 A DE 3544206A DE 3544206 C2 DE3544206 C2 DE 3544206C2
Authority
DE
Germany
Prior art keywords
chlorotrifluoroethylene
volume
percent
ethylene
porous membrane
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
DE3544206A
Other languages
German (de)
English (en)
Other versions
DE3544206A1 (de
Inventor
Yoshihiko Fujisawa Kanagawa Jp Mutoh
Morikazu Yokohama Kanagawa Jp Miura
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.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Kogyo KK
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 JP27392084A external-priority patent/JPS61152739A/ja
Priority claimed from JP7347185A external-priority patent/JPS61233026A/ja
Application filed by Asahi Kasei Kogyo KK filed Critical Asahi Kasei Kogyo KK
Publication of DE3544206A1 publication Critical patent/DE3544206A1/de
Application granted granted Critical
Publication of DE3544206C2 publication Critical patent/DE3544206C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/044—Elimination of an inorganic solid phase
    • C08J2201/0442—Elimination of an inorganic solid phase the inorganic phase being a metal, its oxide or hydroxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE19853544206 1984-12-27 1985-12-13 Poroese membran aus einem fluorpolymerharz und verfahren zu ihrer herstellung Granted DE3544206A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27392084A JPS61152739A (ja) 1984-12-27 1984-12-27 エチレン−テトラフルオロエチレン共重合体多孔膜の製造方法
JP7347185A JPS61233026A (ja) 1985-04-09 1985-04-09 多孔膜の製造方法

Publications (2)

Publication Number Publication Date
DE3544206A1 DE3544206A1 (de) 1986-07-10
DE3544206C2 true DE3544206C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-10-20

Family

ID=26414619

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853544206 Granted DE3544206A1 (de) 1984-12-27 1985-12-13 Poroese membran aus einem fluorpolymerharz und verfahren zu ihrer herstellung

Country Status (4)

Country Link
US (2) US4623670A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3544206A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2575480B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2168981B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
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DE3928934C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-08-31 1990-10-11 Sartorius Gmbh, 3400 Goettingen, De
WO1993005866A1 (en) * 1991-09-13 1993-04-01 The Dow Chemical Company Semi-permeable membranes derived from reactive oligomers

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US4906377A (en) * 1988-05-04 1990-03-06 Millipore Corporation Fluorocarbon membranes and process for making fluorocarbon membranes
US4902456A (en) * 1988-05-04 1990-02-20 Millipore Corporation Fluorocarbon membranes and process for making fluorocarbon membranes
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Cited By (3)

* Cited by examiner, † Cited by third party
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DE3928934C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-08-31 1990-10-11 Sartorius Gmbh, 3400 Goettingen, De
DE3928934C2 (de) * 1989-08-31 1999-04-29 Sartorius Gmbh Textilverstärktes mikroporöses Membranfilter, Verfahren zu seiner Herstellung und seine Verwendung
WO1993005866A1 (en) * 1991-09-13 1993-04-01 The Dow Chemical Company Semi-permeable membranes derived from reactive oligomers

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US4702836A (en) 1987-10-27
DE3544206A1 (de) 1986-07-10
FR2575480B1 (fr) 1989-12-22
GB2168981B (en) 1988-07-06
US4623670A (en) 1986-11-18
GB8530028D0 (en) 1986-01-15
FR2575480A1 (fr) 1986-07-04
GB2168981A (en) 1986-07-02

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