IT1142925B - MICROPOROUS CELLULOSE MEMBRANE AND PROCESS FOR ITS PRODUCTION - Google Patents

MICROPOROUS CELLULOSE MEMBRANE AND PROCESS FOR ITS PRODUCTION

Info

Publication number
IT1142925B
IT1142925B IT49622/81A IT4962281A IT1142925B IT 1142925 B IT1142925 B IT 1142925B IT 49622/81 A IT49622/81 A IT 49622/81A IT 4962281 A IT4962281 A IT 4962281A IT 1142925 B IT1142925 B IT 1142925B
Authority
IT
Italy
Prior art keywords
production
cellulose membrane
microporous cellulose
microporous
membrane
Prior art date
Application number
IT49622/81A
Other languages
Italian (it)
Other versions
IT8149622A0 (en
Inventor
Gustav Dunweg
Original Assignee
Akzo Nv
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 Akzo Nv filed Critical Akzo Nv
Publication of IT8149622A0 publication Critical patent/IT8149622A0/en
Application granted granted Critical
Publication of IT1142925B publication Critical patent/IT1142925B/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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B01D63/021—Manufacturing thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Artificial Filaments (AREA)
IT49622/81A 1980-11-07 1981-11-03 MICROPOROUS CELLULOSE MEMBRANE AND PROCESS FOR ITS PRODUCTION IT1142925B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803042110 DE3042110A1 (en) 1980-11-07 1980-11-07 MICROPOROUS CELLULOSE MEMBRANE

Publications (2)

Publication Number Publication Date
IT8149622A0 IT8149622A0 (en) 1981-11-03
IT1142925B true IT1142925B (en) 1986-10-15

Family

ID=6116246

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49622/81A IT1142925B (en) 1980-11-07 1981-11-03 MICROPOROUS CELLULOSE MEMBRANE AND PROCESS FOR ITS PRODUCTION

Country Status (5)

Country Link
JP (1) JPS57108101A (en)
DE (1) DE3042110A1 (en)
FR (1) FR2499866B1 (en)
GB (1) GB2086798B (en)
IT (1) IT1142925B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581140A (en) * 1981-11-25 1986-04-08 Asahi Kasei Kogyo Kabushiki Kaisha Porous regenerated cellulose membrane and process for the preparation thereof
JPS59204911A (en) * 1983-05-02 1984-11-20 Asahi Chem Ind Co Ltd Regenerated cellulose hollow fiber of novel structure
DE3317037A1 (en) * 1983-05-10 1984-11-15 Hoechst Ag, 6230 Frankfurt REGENERATED CELLULOSE MEMBRANE WITH IMPROVED DIFFUSION PROPERTIES AND METHOD FOR PRODUCING THE SAME
JPS61293469A (en) * 1985-06-21 1986-12-24 帝人株式会社 Permselective hollow yarn membrane and serum component separator using the same
JPS61106168A (en) * 1984-10-30 1986-05-24 帝人株式会社 Permselective hollow yarn membrane, its production and serum component separator using the same
JPH0613087B2 (en) * 1985-10-18 1994-02-23 テルモ株式会社 Hemodialyzer
EP0351773B2 (en) * 1988-07-20 1997-08-27 Asahi Kasei Kogyo Kabushiki Kaisha Hollow fiber membrane
US5084349A (en) * 1988-09-07 1992-01-28 Terumo Kabushiki Kaisha Hollow cellulose fibers, method for making, and fluid processing apparatus using same
DE4038247A1 (en) * 1990-11-30 1992-06-04 Akzo Gmbh CELLULOSE HOLLOW DIALYSIS THREAD
EP0793998A3 (en) * 1996-03-07 1998-02-11 Akzo Nobel N.V. Process for stabilising the properties of cellulosic membranes
CN114130210B (en) * 2021-11-24 2023-12-22 宁波灏钻科技有限公司 Preparation method of layer-by-layer self-assembled antibacterial hydrogel filtering membrane
CN117679962B (en) * 2023-09-29 2024-05-14 杭州科百特过滤器材有限公司 Cellulose virus-removing filter membrane and preparation process and application thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888771A (en) * 1972-06-02 1975-06-10 Asahi Chemical Ind Hollow fibers of cuprammonium cellulose and a process of the manufacture of same
DE2419930A1 (en) * 1973-04-30 1974-11-07 Dorr Oliver Inc ULTRAFILTRATION MEMBRANE AND METHOD OF MANUFACTURING THEREOF
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
JPS5812932B2 (en) * 1977-06-30 1983-03-10 日本ゼオン株式会社 Hollow fiber manufacturing method
DE2816085B2 (en) * 1978-04-13 1981-04-23 Sartorius GmbH, 3400 Göttingen Asymmetrical ultrafiltration membrane based on cellulose hydrate
DE2823985C2 (en) * 1978-06-01 1986-01-02 Akzo Gmbh, 5600 Wuppertal Dialysis membrane
JPS5584503A (en) * 1978-12-19 1980-06-25 Teijin Ltd Preparing cellulose ester based selective permeable membrane
DE3002438C2 (en) * 1979-01-26 1982-04-08 Asahi Kasei Kogyo K.K., Osaka Selectively permeable membrane
DD143037A1 (en) * 1979-04-11 1980-07-30 Gensrich Heinz Juergen Cellulosic granules and process for their preparation
CA1153171A (en) * 1979-12-17 1983-09-06 David T. Chen Cellulose semipermeable hollow fibers and method for making same
DE3006880C2 (en) * 1980-02-23 1986-10-09 Akzo Gmbh, 5600 Wuppertal Plasmaphoresis membrane

Also Published As

Publication number Publication date
FR2499866B1 (en) 1985-10-25
GB2086798A (en) 1982-05-19
FR2499866A1 (en) 1982-08-20
DE3042110A1 (en) 1982-06-16
IT8149622A0 (en) 1981-11-03
GB2086798B (en) 1984-07-18
JPH025132B2 (en) 1990-01-31
DE3042110C2 (en) 1989-08-17
JPS57108101A (en) 1982-07-06

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961025