IT1130229B - Membrane di cellulosa rigenerata al cuprammonio e metodo di preparazione delle stesse - Google Patents
Membrane di cellulosa rigenerata al cuprammonio e metodo di preparazione delle stesseInfo
- Publication number
- IT1130229B IT1130229B IT19476/80A IT1947680A IT1130229B IT 1130229 B IT1130229 B IT 1130229B IT 19476/80 A IT19476/80 A IT 19476/80A IT 1947680 A IT1947680 A IT 1947680A IT 1130229 B IT1130229 B IT 1130229B
- Authority
- IT
- Italy
- Prior art keywords
- preparation
- regenerated cellulose
- cellulose membranes
- cuprammonium regenerated
- cuprammonium
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title 1
- 238000002360 preparation method Methods 0.000 title 1
- 239000004627 regenerated cellulose Substances 0.000 title 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
- B01D71/08—Polysaccharides
- B01D71/10—Cellulose; Modified cellulose
-
- 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
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
-
- 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
-
- 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/243—Dialysis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP704979A JPS5599926A (en) | 1979-01-26 | 1979-01-26 | Membrane formation |
JP705079A JPS5599305A (en) | 1979-01-26 | 1979-01-26 | Selectively permeable membrane |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8019476A0 IT8019476A0 (it) | 1980-01-25 |
IT1130229B true IT1130229B (it) | 1986-06-11 |
Family
ID=26341292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19476/80A IT1130229B (it) | 1979-01-26 | 1980-01-25 | Membrane di cellulosa rigenerata al cuprammonio e metodo di preparazione delle stesse |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3002438C2 (it) |
IT (1) | IT1130229B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3028213C2 (de) * | 1980-07-25 | 1990-12-06 | Akzo Gmbh, 5600 Wuppertal | Verfahren zur Herstellung einer Ultrafiltrationsmembran aus Polyamid und daraus hergestellte Membran |
US4444663A (en) * | 1980-09-16 | 1984-04-24 | Terumo Corporation | Membrane and method for manufacture thereof |
DE3042110A1 (de) * | 1980-11-07 | 1982-06-16 | Akzo Gmbh, 5600 Wuppertal | Mikroporoese cellulosemembran |
-
1980
- 1980-01-24 DE DE3002438A patent/DE3002438C2/de not_active Expired
- 1980-01-25 IT IT19476/80A patent/IT1130229B/it active
Also Published As
Publication number | Publication date |
---|---|
IT8019476A0 (it) | 1980-01-25 |
DE3002438C2 (de) | 1982-04-08 |
DE3002438A1 (de) | 1980-07-31 |
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