CS248272B1 - Method of semi-permeable membrane production - Google Patents
Method of semi-permeable membrane production Download PDFInfo
- Publication number
- CS248272B1 CS248272B1 CS822814A CS281482A CS248272B1 CS 248272 B1 CS248272 B1 CS 248272B1 CS 822814 A CS822814 A CS 822814A CS 281482 A CS281482 A CS 281482A CS 248272 B1 CS248272 B1 CS 248272B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- semi
- permeable membrane
- membrane
- acrylonitrile
- nph
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract 5
- 238000000034 method Methods 0.000 title claims 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract 3
- 159000000000 sodium salts Chemical class 0.000 claims abstract 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims 2
- 239000004604 Blowing Agent Substances 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- WCBBLESOBVCMFC-UHFFFAOYSA-N ethenesulfonic acid;sodium Chemical compound [Na].OS(=O)(=O)C=C WCBBLESOBVCMFC-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 108090000623 proteins and genes Proteins 0.000 abstract description 2
- 102000004169 proteins and genes Human genes 0.000 abstract description 2
- 229920001897 terpolymer Polymers 0.000 abstract 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical group OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 abstract 1
- 241000368779 Asota Species 0.000 description 1
- 241001669680 Dormitator maculatus Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 101000798940 Gallus gallus Target of Myb protein 1 Proteins 0.000 description 1
- 101150030193 Nanp gene Proteins 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 208000028626 extracranial carotid artery aneurysm Diseases 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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)
- 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)
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 |
|---|---|
| CS281482A1 CS281482A1 (en) | 1985-06-13 |
| CS248272B1 true CS248272B1 (en) | 1987-02-12 |
Family
ID=3908970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS822814A CS248272B1 (en) | 1981-04-20 | 1982-04-20 | Method of semi-permeable membrane production |
Country Status (11)
| Country | Link |
|---|---|
| BG (1) | BG33312A1 (nl) |
| CH (1) | CH658399A5 (nl) |
| CS (1) | CS248272B1 (nl) |
| DE (1) | DE3214538A1 (nl) |
| DK (1) | DK162182A (nl) |
| FR (1) | FR2504022B1 (nl) |
| GB (1) | GB2096941B (nl) |
| HU (1) | HU189575B (nl) |
| IT (1) | IT1186692B (nl) |
| NL (1) | NL8201617A (nl) |
| PL (1) | PL134921B1 (nl) |
Families Citing this family (3)
| 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. |
| EP0547471B1 (de) * | 1991-12-14 | 1997-03-12 | Akzo Nobel N.V. | Polyacrylnitrilmembran |
| DE59405007D1 (de) * | 1993-07-30 | 1998-02-19 | Bayer Ag | Membranen aus Acrylnitril-Copolymeren, Verfahren zu ihrer Herstellung und ihre Verwendung |
Family Cites Families (7)
| 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 (nl) * | 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 |
| EP0025973B1 (de) * | 1979-09-19 | 1985-01-23 | Aligena Ag | Poröse, semipermeable, durch Amidoximgruppen modifizierte Membran auf der Basis von Polyacrylnitrilen, Verfahren zu ihrer Herstellung und ihre Verwendung |
-
1981
- 1981-04-20 BG BG8151745A patent/BG33312A1/xx unknown
-
1982
- 1982-04-07 DK DK162182A patent/DK162182A/da not_active IP Right Cessation
- 1982-04-16 IT IT48237/82A patent/IT1186692B/it active
- 1982-04-19 FR FR8206667A patent/FR2504022B1/fr not_active Expired
- 1982-04-19 PL PL1982236036A patent/PL134921B1/pl unknown
- 1982-04-19 NL NL8201617A patent/NL8201617A/nl not_active Application Discontinuation
- 1982-04-20 CS CS822814A patent/CS248272B1/cs unknown
- 1982-04-20 HU HU821213A patent/HU189575B/hu not_active IP Right Cessation
- 1982-04-20 DE DE19823214538 patent/DE3214538A1/de not_active Withdrawn
- 1982-04-20 CH CH2390/82A patent/CH658399A5/de not_active IP Right Cessation
- 1982-04-20 GB GB8211378A patent/GB2096941B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BG33312A1 (en) | 1983-01-14 |
| DK162182A (da) | 1982-10-21 |
| CH658399A5 (de) | 1986-11-14 |
| IT8248237A0 (it) | 1982-04-16 |
| HU189575B (en) | 1986-07-28 |
| IT1186692B (it) | 1987-12-04 |
| GB2096941B (en) | 1984-07-18 |
| FR2504022B1 (fr) | 1988-05-20 |
| PL134921B1 (en) | 1985-09-30 |
| PL236036A1 (nl) | 1982-11-22 |
| FR2504022A1 (fr) | 1982-10-22 |
| GB2096941A (en) | 1982-10-27 |
| NL8201617A (nl) | 1982-11-16 |
| DE3214538A1 (de) | 1983-04-14 |
| CS281482A1 (en) | 1985-06-13 |
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