DD137950A5 - Celluloseacetat-hohlfasern und verfahren zu ihrer herstellung - Google Patents

Celluloseacetat-hohlfasern und verfahren zu ihrer herstellung

Info

Publication number
DD137950A5
DD137950A5 DD78206508A DD20650878A DD137950A5 DD 137950 A5 DD137950 A5 DD 137950A5 DD 78206508 A DD78206508 A DD 78206508A DD 20650878 A DD20650878 A DD 20650878A DD 137950 A5 DD137950 A5 DD 137950A5
Authority
DD
German Democratic Republic
Prior art keywords
production
cellulose acetate
hollow fibers
acetate hollow
fibers
Prior art date
Application number
DD78206508A
Other languages
German (de)
English (en)
Inventor
Michael J Kell
Robert D Mahoney
Original Assignee
Cordis Dow Corp
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 Cordis Dow Corp filed Critical Cordis Dow Corp
Publication of DD137950A5 publication Critical patent/DD137950A5/xx

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
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • 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
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B01D69/081—Hollow fibre membranes characterised by the fibre diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B01D69/087—Details relating to the spinning process
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
  • Artificial Filaments (AREA)
DD78206508A 1977-07-05 1978-07-04 Celluloseacetat-hohlfasern und verfahren zu ihrer herstellung DD137950A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81292977A 1977-07-05 1977-07-05

Publications (1)

Publication Number Publication Date
DD137950A5 true DD137950A5 (de) 1979-10-03

Family

ID=25211003

Family Applications (1)

Application Number Title Priority Date Filing Date
DD78206508A DD137950A5 (de) 1977-07-05 1978-07-04 Celluloseacetat-hohlfasern und verfahren zu ihrer herstellung

Country Status (18)

Country Link
JP (2) JPS5442420A (fr)
AT (1) AT364899B (fr)
AU (1) AU519458B2 (fr)
BE (1) BE868708A (fr)
BR (1) BR7804325A (fr)
CA (1) CA1107020A (fr)
CH (1) CH632536A5 (fr)
DD (1) DD137950A5 (fr)
DE (1) DE2827100C2 (fr)
DK (1) DK149600C (fr)
FR (1) FR2396780A1 (fr)
GB (1) GB2000722B (fr)
IT (1) IT1107799B (fr)
MX (1) MX153159A (fr)
NL (1) NL7807225A (fr)
NO (1) NO147979C (fr)
NZ (1) NZ187610A (fr)
SE (1) SE428221B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1153171A (fr) * 1979-12-17 1983-09-06 David T. Chen Fibres creuses de cellulose semipermeables, et methode de production connexe
JPS5949806A (ja) * 1982-09-13 1984-03-22 Teijin Ltd セルロースエステル系中空糸状分離膜
JPS59199807A (ja) * 1983-04-20 1984-11-13 Teijin Ltd 選択透過性セルロ−スエステル系中空繊維の製造方法
JPS59211459A (ja) * 1983-05-17 1984-11-30 帝人株式会社 血液処理器の滅菌方法
JPS605202A (ja) * 1983-06-21 1985-01-11 Teijin Ltd 多孔性セルロ−スエステル系中空繊維およびその製造方法
CA1272139A (fr) * 1984-11-16 1990-07-31 Shoji Mizutani Separateur de fluides, fibres creuses servant a sa fabrication, et preparation desdites fibres creuses
JPS6343669A (ja) * 1986-08-08 1988-02-24 帝人株式会社 血液処理器の製造方法
WO2003000966A1 (fr) 2001-06-26 2003-01-03 Toray Industries, Inc. Composition de derive de cellulose thermoplastique et fibre contenant cette composition
WO2013125681A1 (fr) * 2012-02-24 2013-08-29 東洋紡株式会社 Membrane semi-perméable de type en fibres creuses, procédé de fabrication associé, module et procédé de traitement de l'eau
US10888822B2 (en) * 2014-09-30 2021-01-12 Toray Industries, Inc. Separation membrane
DE102020102096B4 (de) 2020-01-29 2023-03-23 Cerdia International GmbH Celluloseacetathaltiger faserstoff für ein nonwoven-produkt, nonwoven-produkt mit einem solchen faserstoff und verfahren zur herstellung eines solchen faserstoffs
US20230397602A1 (en) * 2020-10-30 2023-12-14 Toyobo Co., Ltd. Cell cryopreservation hollow fiber membrane

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE342820A (fr) * 1925-09-17
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
FR1456757A (fr) * 1964-09-02 1966-07-08 Dow Chemical Co Fibres creuses sélectivement perméables et leur fabrication
US3532527A (en) * 1966-11-04 1970-10-06 Dow Chemical Co Permeable separatory membranes
US3745202A (en) * 1971-03-17 1973-07-10 Us Interior Method of preparing an asymmetric membrane from a cellulose derivative
JPS5170316A (ja) * 1974-12-16 1976-06-17 Teijin Ltd Seruroosuaseteetochukushino seizohoho

Also Published As

Publication number Publication date
BR7804325A (pt) 1979-04-17
SE428221B (sv) 1983-06-13
CA1107020A (fr) 1981-08-18
NO147979C (no) 1983-07-20
BE868708A (fr) 1979-01-04
GB2000722A (en) 1979-01-17
DK149600C (da) 1987-02-09
JPS6317922B2 (fr) 1988-04-15
FR2396780A1 (fr) 1979-02-02
AU519458B2 (en) 1981-12-03
SE7807516L (sv) 1979-01-06
NL7807225A (nl) 1979-01-09
ATA477578A (de) 1981-04-15
IT1107799B (it) 1985-11-25
JPS5442420A (en) 1979-04-04
MX153159A (es) 1986-08-14
FR2396780B1 (fr) 1983-02-25
DE2827100A1 (de) 1979-01-25
JPS62250215A (ja) 1987-10-31
NO147979B (no) 1983-04-11
IT7850125A0 (it) 1978-06-30
AT364899B (de) 1981-11-25
DK302078A (da) 1979-01-06
GB2000722B (en) 1982-01-27
AU3697178A (en) 1979-12-13
CH632536A5 (fr) 1982-10-15
DK149600B (da) 1986-08-04
NO782320L (no) 1979-01-08
NZ187610A (en) 1980-09-12
DE2827100C2 (de) 1983-04-28

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Legal Events

Date Code Title Description
RPI Change in the person, name or address of the patentee (searches according to art. 11 and 12 extension act)
RPV Change in the person, the name or the address of the representative (searches according to art. 11 and 12 extension act)