IT1186692B - Procedimento per la preparazione di membrane semipermeabili di copolimero poliacrilonitrilico - Google Patents

Procedimento per la preparazione di membrane semipermeabili di copolimero poliacrilonitrilico

Info

Publication number
IT1186692B
IT1186692B IT48237/82A IT4823782A IT1186692B IT 1186692 B IT1186692 B IT 1186692B IT 48237/82 A IT48237/82 A IT 48237/82A IT 4823782 A IT4823782 A IT 4823782A IT 1186692 B IT1186692 B IT 1186692B
Authority
IT
Italy
Prior art keywords
semi
procedure
preparation
permeable membranes
polyacrylonitrile copolymer
Prior art date
Application number
IT48237/82A
Other languages
English (en)
Other versions
IT8248237A0 (it
Inventor
Aristotel Dimov Demostenov
Petrov Petrov Stojko
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 IT8248237A0 publication Critical patent/IT8248237A0/it
Application granted granted Critical
Publication of IT1186692B publication Critical patent/IT1186692B/it

Links

Classifications

    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/14—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment
    • A23C9/142—Milk 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J3/00—Working-up of proteins for foodstuffs
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Nutrition Science (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IT48237/82A 1981-04-20 1982-04-16 Procedimento per la preparazione di membrane semipermeabili di copolimero poliacrilonitrilico IT1186692B (it)

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 (2)

Publication Number Publication Date
IT8248237A0 IT8248237A0 (it) 1982-04-16
IT1186692B true IT1186692B (it) 1987-12-04

Family

ID=3908970

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48237/82A IT1186692B (it) 1981-04-20 1982-04-16 Procedimento per la preparazione di membrane semipermeabili di copolimero poliacrilonitrilico

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)

Families Citing this family (3)

* 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.
DE59208178D1 (de) * 1991-12-14 1997-04-17 Akzo Nobel Nv Polyacrylnitrilmembran
ES2111214T3 (es) * 1993-07-30 1998-03-01 Bayer Ag Membranas a partir de copolimeros de acrilonitrilo, procedimiento para su obtencion y su empleo.

Family Cites Families (7)

* 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
FR2312278A2 (fr) * 1975-05-30 1976-12-24 Rhone Poulenc Ind Membranes
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
JPS5581706A (en) * 1978-12-15 1980-06-20 Sumitomo Chem Co Ltd Preparation of semi-permeable membrane
DE3070021D1 (en) * 1979-09-19 1985-03-07 Aligena Ag Porous semipermeable membrane based on polyacrylonitrile modified by amidoxime groups, process for its preparation and their use

Also Published As

Publication number Publication date
FR2504022A1 (fr) 1982-10-22
HU189575B (en) 1986-07-28
IT8248237A0 (it) 1982-04-16
PL236036A1 (it) 1982-11-22
PL134921B1 (en) 1985-09-30
CS281482A1 (en) 1985-06-13
DK162182A (da) 1982-10-21
BG33312A1 (en) 1983-01-14
GB2096941A (en) 1982-10-27
NL8201617A (nl) 1982-11-16
CH658399A5 (de) 1986-11-14
GB2096941B (en) 1984-07-18
CS248272B1 (en) 1987-02-12
FR2504022B1 (fr) 1988-05-20
DE3214538A1 (de) 1983-04-14

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