CH552636A - Verfahren zum herstellen einer trockenen semipermeablen celluloseacetat-membran. - Google Patents

Verfahren zum herstellen einer trockenen semipermeablen celluloseacetat-membran.

Info

Publication number
CH552636A
CH552636A CH1740771A CH1740771A CH552636A CH 552636 A CH552636 A CH 552636A CH 1740771 A CH1740771 A CH 1740771A CH 1740771 A CH1740771 A CH 1740771A CH 552636 A CH552636 A CH 552636A
Authority
CH
Switzerland
Prior art keywords
semipermeablic
dry
making
cellulose acetate
acetate membrane
Prior art date
Application number
CH1740771A
Other languages
English (en)
Inventor
W Kaiser
F Schwarzer
Original Assignee
Kalle Ag
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 Kalle Ag filed Critical Kalle Ag
Publication of CH552636A publication Critical patent/CH552636A/de

Links

Classifications

    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CH1740771A 1970-12-01 1971-11-30 Verfahren zum herstellen einer trockenen semipermeablen celluloseacetat-membran. CH552636A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702059048 DE2059048A1 (de) 1970-12-01 1970-12-01 Verfahren zum Herstellen einer trockenen semipermeablen Celluloseacetat-Membran

Publications (1)

Publication Number Publication Date
CH552636A true CH552636A (de) 1974-08-15

Family

ID=5789633

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1740771A CH552636A (de) 1970-12-01 1971-11-30 Verfahren zum herstellen einer trockenen semipermeablen celluloseacetat-membran.

Country Status (14)

Country Link
US (1) US3773534A (de)
BE (1) BE775987A (de)
CA (1) CA974718A (de)
CH (1) CH552636A (de)
DE (1) DE2059048A1 (de)
ES (1) ES397473A1 (de)
FR (1) FR2117152A5 (de)
GB (1) GB1315259A (de)
IL (1) IL38247A (de)
IT (1) IT945194B (de)
LU (1) LU64361A1 (de)
NL (1) NL7115981A (de)
SE (1) SE375700B (de)
ZA (1) ZA718021B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239545A (en) * 1978-08-10 1980-12-16 Toray Industries, Inc. Cellulose derivative reverse osmosis membrane and casting solution and additive for preparing the same
JP2528169B2 (ja) * 1987-11-19 1996-08-28 帝人株式会社 多孔性成型物の製造方法
US5011637A (en) * 1989-01-23 1991-04-30 The Dow Chemical Company Preparing cellulose ester membranes for gas separation
US4980063A (en) * 1989-01-27 1990-12-25 The Dow Chemical Company Compositions useful for preparing cellulose ester membranes for liquid separations
EP0574699A2 (de) * 1992-05-20 1993-12-22 Akzo Nobel N.V. Dialysemembran aus Celluloseacetat
DE4220441A1 (de) * 1992-06-23 1994-01-05 Gambro Dialysatoren Verfahren zum Trocknen poröser Ultrafilterfiltrationsmembranen
FR2815886B1 (fr) * 2000-10-30 2002-12-06 Hospal Ind Faisceau de fibres creuses pour un appareil pour le traitement extracorporel du sang et du plasma et son procede de fabrication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133137A (en) * 1960-11-29 1964-05-12 Univ California High flow porous membranes for separating water from saline solutions
US3544358A (en) * 1966-07-18 1970-12-01 Universal Water Corp Production of semipermeable membranes directly on the surfaces of permeable support bodies
US3567809A (en) * 1966-10-07 1971-03-02 Fuji Photo Film Co Ltd Method of varying the pore diameters of fine pores in cellulose acetate film
US3592672A (en) * 1969-12-22 1971-07-13 Eastman Kodak Co Dry stabilized,rewettable semipermeable cellulose ester and ether membranes and their preparation

Also Published As

Publication number Publication date
SE375700B (de) 1975-04-28
GB1315259A (en) 1973-05-02
ES397473A1 (es) 1975-03-01
US3773534A (en) 1973-11-20
ZA718021B (en) 1972-08-30
BE775987A (fr) 1972-05-29
IL38247A (en) 1974-06-30
NL7115981A (de) 1972-06-05
DE2059048A1 (de) 1972-06-15
CA974718A (en) 1975-09-23
LU64361A1 (de) 1973-06-21
IT945194B (it) 1973-05-10
FR2117152A5 (de) 1972-07-21
IL38247A0 (en) 1972-01-27

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Legal Events

Date Code Title Description
PL Patent ceased