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IT1024345B - Procedimento per produrre una memerana di acetato cellulosa - Google Patents

Procedimento per produrre una memerana di acetato cellulosa

Info

Publication number
IT1024345B
IT1024345B IT54392/74A IT5439274A IT1024345B IT 1024345 B IT1024345 B IT 1024345B IT 54392/74 A IT54392/74 A IT 54392/74A IT 5439274 A IT5439274 A IT 5439274A IT 1024345 B IT1024345 B IT 1024345B
Authority
IT
Italy
Prior art keywords
memerane
procedure
producing
cellulose acetate
cellulose
Prior art date
Application number
IT54392/74A
Other languages
English (en)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1024345B publication Critical patent/IT1024345B/it

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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/08—Cellulose derivatives
    • C08J2301/10—Esters of organic acids
    • C08J2301/12—Cellulose acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
IT54392/74A 1973-12-10 1974-12-06 Procedimento per produrre una memerana di acetato cellulosa IT1024345B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2361369A DE2361369A1 (de) 1973-12-10 1973-12-10 Verfahren zur herstellung einer entsalzenden celluloseacetatmembran

Publications (1)

Publication Number Publication Date
IT1024345B true IT1024345B (it) 1978-06-20

Family

ID=5900338

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54392/74A IT1024345B (it) 1973-12-10 1974-12-06 Procedimento per produrre una memerana di acetato cellulosa

Country Status (7)

Country Link
US (1) US3957935A (it)
JP (1) JPS5094079A (it)
DE (1) DE2361369A1 (it)
FR (1) FR2253781B3 (it)
GB (1) GB1486917A (it)
IT (1) IT1024345B (it)
NL (1) NL7415605A (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51145474A (en) * 1975-06-10 1976-12-14 Kuraray Co Ltd A blood dialysis membrane with outstanding dialysis performance and a process for producing it
DE2704600C3 (de) * 1977-02-04 1988-05-26 Hoechst Ag, 6230 Frankfurt Permselektive, asymmetrische Hämofiltrationsmembran mit heteroporöser Struktur auf Basis von Polyamid
US4145295A (en) * 1977-08-15 1979-03-20 Canadian Patents And Development Limited Cellulose ester ultra-filtration membranes and their manufacture
DE2816085B2 (de) * 1978-04-13 1981-04-23 Sartorius GmbH, 3400 Göttingen Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosehydrat
DE2935097A1 (de) * 1978-09-07 1980-03-20 Kuraray Co Aethylen/vinylalkohol-copolymermembran
JPS56129005A (en) * 1980-03-12 1981-10-08 Daicel Chem Ind Ltd Dry type porous membrane and its manufacture
JPS58156307A (ja) * 1982-03-15 1983-09-17 Nitto Electric Ind Co Ltd 乾燥半透膜の製造方法
EP0162068B1 (en) * 1983-11-07 1990-06-06 Memtec Limited Separating oil emulsions
JPS6097005A (ja) * 1984-04-16 1985-05-30 Terumo Corp 透析用中空繊維の可塑化方法
US4744807A (en) * 1986-07-21 1988-05-17 Canadian Patents And Development Ltd. Method of manufacturing a cellulose acetate membrane and the membrane so produced
US4913864A (en) * 1987-11-19 1990-04-03 Teijin Limited Process for preparation of porous hollow filament
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
JPH09253463A (ja) * 1996-03-22 1997-09-30 Nok Corp ポリスルホン系限外濾過膜の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3593855A (en) * 1969-05-13 1971-07-20 Westinghouse Electric Corp High flow porous reverse osmosis membranes containing lipids
US3592672A (en) * 1969-12-22 1971-07-13 Eastman Kodak Co Dry stabilized,rewettable semipermeable cellulose ester and ether membranes and their preparation
US3772072A (en) * 1971-06-14 1973-11-13 Eastman Kodak Co Method for treating reverse osmosis membranes

Also Published As

Publication number Publication date
FR2253781B3 (it) 1977-09-02
NL7415605A (nl) 1975-06-12
JPS5094079A (it) 1975-07-26
DE2361369A1 (de) 1975-06-19
FR2253781A1 (it) 1975-07-04
GB1486917A (en) 1977-09-28
US3957935A (en) 1976-05-18

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