IT8019476A0 - CUPRAMMONIUM REGENERATED CELLULOSE MEMBRANES AND METHOD OF PREPARATION THEREOF. - Google Patents

CUPRAMMONIUM REGENERATED CELLULOSE MEMBRANES AND METHOD OF PREPARATION THEREOF.

Info

Publication number
IT8019476A0
IT8019476A0 IT8019476A IT1947680A IT8019476A0 IT 8019476 A0 IT8019476 A0 IT 8019476A0 IT 8019476 A IT8019476 A IT 8019476A IT 1947680 A IT1947680 A IT 1947680A IT 8019476 A0 IT8019476 A0 IT 8019476A0
Authority
IT
Italy
Prior art keywords
preparation
regenerated cellulose
cellulose membranes
cuprammonium regenerated
cuprammonium
Prior art date
Application number
IT8019476A
Other languages
Italian (it)
Other versions
IT1130229B (en
Inventor
Uematsu Shinichi
Egami Osamu
Kaneko Yoshiji
Original Assignee
Asahi Chemical Ind
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
Priority claimed from JP705079A external-priority patent/JPS5599305A/en
Priority claimed from JP704979A external-priority patent/JPS5599926A/en
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Publication of IT8019476A0 publication Critical patent/IT8019476A0/en
Application granted granted Critical
Publication of IT1130229B publication Critical patent/IT1130229B/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
    • B01D71/08—Polysaccharides
    • B01D71/10—Cellulose; Modified cellulose
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT19476/80A 1979-01-26 1980-01-25 CUPRAMMONIUM REGENERATED CELLULOSE MEMBRANES AND THEIR PREPARATION METHOD IT1130229B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP705079A JPS5599305A (en) 1979-01-26 1979-01-26 Selectively permeable membrane
JP704979A JPS5599926A (en) 1979-01-26 1979-01-26 Membrane formation

Publications (2)

Publication Number Publication Date
IT8019476A0 true IT8019476A0 (en) 1980-01-25
IT1130229B IT1130229B (en) 1986-06-11

Family

ID=26341292

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19476/80A IT1130229B (en) 1979-01-26 1980-01-25 CUPRAMMONIUM REGENERATED CELLULOSE MEMBRANES AND THEIR PREPARATION METHOD

Country Status (2)

Country Link
DE (1) DE3002438C2 (en)
IT (1) IT1130229B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028213C2 (en) * 1980-07-25 1990-12-06 Akzo Gmbh, 5600 Wuppertal Process for the production of an ultrafiltration membrane made of polyamide and a membrane produced therefrom
US4444663A (en) * 1980-09-16 1984-04-24 Terumo Corporation Membrane and method for manufacture thereof
DE3042110A1 (en) * 1980-11-07 1982-06-16 Akzo Gmbh, 5600 Wuppertal MICROPOROUS CELLULOSE MEMBRANE

Also Published As

Publication number Publication date
DE3002438A1 (en) 1980-07-31
DE3002438C2 (en) 1982-04-08
IT1130229B (en) 1986-06-11

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