DE3214538A1 - Verfahren zur herstellung semipermeabler membranen - Google Patents

Verfahren zur herstellung semipermeabler membranen

Info

Publication number
DE3214538A1
DE3214538A1 DE19823214538 DE3214538A DE3214538A1 DE 3214538 A1 DE3214538 A1 DE 3214538A1 DE 19823214538 DE19823214538 DE 19823214538 DE 3214538 A DE3214538 A DE 3214538A DE 3214538 A1 DE3214538 A1 DE 3214538A1
Authority
DE
Germany
Prior art keywords
membranes
dipl
copolymer
acrylonitrile
munich
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.)
Withdrawn
Application number
DE19823214538
Other languages
German (de)
English (en)
Inventor
Aristotel Demostenov Dimov
Stojko Petrov Burgas Petrov
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.)
ZLATAROV PROF DR VHTI
Original Assignee
ZLATAROV PROF DR VHTI
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 ZLATAROV PROF DR VHTI filed Critical ZLATAROV PROF DR VHTI
Publication of DE3214538A1 publication Critical patent/DE3214538A1/de
Withdrawn legal-status Critical Current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
    • B01D71/40Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421Polyacrylonitrile
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00Milk preparations; Milk powder or milk powder preparations
    • A23C9/14Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment
    • A23C9/142Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23JPROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J3/00Working-up of proteins for foodstuffs
    • 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
    • B01D71/40Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42Polymers of nitriles, e.g. polyacrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Biochemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE19823214538 1981-04-20 1982-04-20 Verfahren zur herstellung semipermeabler membranen Withdrawn DE3214538A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG8151745A BG33312A1 (en) 1981-04-20 1981-04-20 Method for obtaining of semi- transparent membrane

Publications (1)

Publication Number Publication Date
DE3214538A1 true DE3214538A1 (de) 1983-04-14

Family

ID=3908970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823214538 Withdrawn DE3214538A1 (de) 1981-04-20 1982-04-20 Verfahren zur herstellung semipermeabler membranen

Country Status (11)

Country Link
BG (1) BG33312A1 (it)
CH (1) CH658399A5 (it)
CS (1) CS248272B1 (it)
DE (1) DE3214538A1 (it)
DK (1) DK162182A (it)
FR (1) FR2504022B1 (it)
GB (1) GB2096941B (it)
HU (1) HU189575B (it)
IT (1) IT1186692B (it)
NL (1) NL8201617A (it)
PL (1) PL134921B1 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0547471A1 (de) * 1991-12-14 1993-06-23 Akzo Nobel N.V. Polyacrylnitrilmembran

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656234B1 (fr) * 1989-12-22 1992-03-20 Hospal Ind Membrane semi-permeable asymetrique pour le traitement des liquides biologiques.
EP0636404B1 (de) * 1993-07-30 1998-01-14 Bayer Ag Membranen aus Acrylnitril-Copolymeren, Verfahren zu ihrer Herstellung und ihre Verwendung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2624139A1 (de) * 1975-05-30 1976-12-02 Rhone Poulenc Ind Membranen
DE2950236A1 (de) * 1978-12-15 1980-06-26 Sumitomo Chemical Co Semipermeable membran, verfahren zu deren herstellung und deren verwendung
DE3035134A1 (de) * 1979-09-19 1981-04-09 Aligena AG, Basel Poroese, modifizierte, fuer die ultrafiltration geeignete membranen auf der basis von polyacrylnitrilen, verfahren zu ihrer herstellung und ihre verwendung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772250A (en) * 1954-06-14 1956-11-27 Monsanto Chemicals Acrylonitrile polymers stabilized with salts of vinyl sulfonic acid
FR2105502A5 (it) * 1970-09-09 1972-04-28 Rhone Poulenc Sa
JPS5856378B2 (ja) * 1976-09-08 1983-12-14 旭化成株式会社 アクリロニトリル系重合体乾燥膜およびその製造法
DD134448A1 (de) * 1977-10-27 1979-02-28 Volker Groebe Verfahren zur herstellung von membranen aus acrylnitrilpolymerisaten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2624139A1 (de) * 1975-05-30 1976-12-02 Rhone Poulenc Ind Membranen
DE2950236A1 (de) * 1978-12-15 1980-06-26 Sumitomo Chemical Co Semipermeable membran, verfahren zu deren herstellung und deren verwendung
DE3035134A1 (de) * 1979-09-19 1981-04-09 Aligena AG, Basel Poroese, modifizierte, fuer die ultrafiltration geeignete membranen auf der basis von polyacrylnitrilen, verfahren zu ihrer herstellung und ihre verwendung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0547471A1 (de) * 1991-12-14 1993-06-23 Akzo Nobel N.V. Polyacrylnitrilmembran
US5290448A (en) * 1991-12-14 1994-03-01 Akzo Nv Polyacrylonitrile membrane

Also Published As

Publication number Publication date
GB2096941A (en) 1982-10-27
PL134921B1 (en) 1985-09-30
BG33312A1 (en) 1983-01-14
PL236036A1 (it) 1982-11-22
CH658399A5 (de) 1986-11-14
GB2096941B (en) 1984-07-18
CS281482A1 (en) 1985-06-13
IT8248237A0 (it) 1982-04-16
HU189575B (en) 1986-07-28
DK162182A (da) 1982-10-21
NL8201617A (nl) 1982-11-16
IT1186692B (it) 1987-12-04
FR2504022A1 (fr) 1982-10-22
FR2504022B1 (fr) 1988-05-20
CS248272B1 (en) 1987-02-12

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Legal Events

Date Code Title Description
OAV Publication of unexamined application with consent of applicant
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee