IT8248237A0 - PROCEDURE FOR THE PREPARATION OF SEMI-PERMEABLE POLYACRYLONITRY COPOLYMER MEMBRANES - Google Patents

PROCEDURE FOR THE PREPARATION OF SEMI-PERMEABLE POLYACRYLONITRY COPOLYMER MEMBRANES

Info

Publication number
IT8248237A0
IT8248237A0 IT8248237A IT4823782A IT8248237A0 IT 8248237 A0 IT8248237 A0 IT 8248237A0 IT 8248237 A IT8248237 A IT 8248237A IT 4823782 A IT4823782 A IT 4823782A IT 8248237 A0 IT8248237 A0 IT 8248237A0
Authority
IT
Italy
Prior art keywords
polyacrylonitry
permeable
semi
procedure
preparation
Prior art date
Application number
IT8248237A
Other languages
Italian (it)
Other versions
IT1186692B (en
Inventor
Aristotel Demostenov Dimov
Stojko Petrov Petrov
Original Assignee
Vhti Prof Dr As Slatarov
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 Vhti Prof Dr As Slatarov filed Critical Vhti Prof Dr As Slatarov
Publication of IT8248237A0 publication Critical patent/IT8248237A0/en
Application granted granted Critical
Publication of IT1186692B publication Critical patent/IT1186692B/en

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
IT48237/82A 1981-04-20 1982-04-16 PROCEDURE FOR THE PREPARATION OF SEMI-PERMEABLE MEMBRANES OF POLYACRYLONITRILE COPOLYMER IT1186692B (en)

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 true IT8248237A0 (en) 1982-04-16
IT1186692B IT1186692B (en) 1987-12-04

Family

ID=3908970

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48237/82A IT1186692B (en) 1981-04-20 1982-04-16 PROCEDURE FOR THE PREPARATION OF SEMI-PERMEABLE MEMBRANES OF POLYACRYLONITRILE COPOLYMER

Country Status (11)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656234B1 (en) * 1989-12-22 1992-03-20 Hospal Ind SEMI-PERMEABLE ASYMMETRICAL MEMBRANE FOR THE TREATMENT OF BIOLOGICAL LIQUIDS.
EP0547471B1 (en) * 1991-12-14 1997-03-12 Akzo Nobel N.V. Polyacrylnitrile membrane
ES2111214T3 (en) * 1993-07-30 1998-03-01 Bayer Ag MEMBRANES FROM ACRYLONITRILE COPOLYMERS, PROCEDURE FOR THEIR OBTAINING AND EMPLOYMENT.

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 (en) * 1970-09-09 1972-04-28 Rhone Poulenc Sa
FR2312278A2 (en) * 1975-05-30 1976-12-24 Rhone Poulenc Ind MEMBRANES
JPS5856378B2 (en) * 1976-09-08 1983-12-14 旭化成株式会社 Acrylonitrile polymer dry membrane and its manufacturing method
DD134448A1 (en) * 1977-10-27 1979-02-28 Volker Groebe METHOD FOR PRODUCING MEMBRANES FROM ACRYLIC NITRILE POLYMERIZES
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
PL134921B1 (en) 1985-09-30
FR2504022A1 (en) 1982-10-22
DK162182A (en) 1982-10-21
CH658399A5 (en) 1986-11-14
DE3214538A1 (en) 1983-04-14
IT1186692B (en) 1987-12-04
FR2504022B1 (en) 1988-05-20
GB2096941A (en) 1982-10-27
CS248272B1 (en) 1987-02-12
NL8201617A (en) 1982-11-16
HU189575B (en) 1986-07-28
PL236036A1 (en) 1982-11-22
BG33312A1 (en) 1983-01-14
CS281482A1 (en) 1985-06-13
GB2096941B (en) 1984-07-18

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