BE868708A - Fibre creuse d'acetate de cellulose et son procede de realisation. - Google Patents

Fibre creuse d'acetate de cellulose et son procede de realisation.

Info

Publication number
BE868708A
BE868708A BE189048A BE189048A BE868708A BE 868708 A BE868708 A BE 868708A BE 189048 A BE189048 A BE 189048A BE 189048 A BE189048 A BE 189048A BE 868708 A BE868708 A BE 868708A
Authority
BE
Belgium
Prior art keywords
hollow fiber
cellulose acetate
embodiment method
acetate hollow
cellulose
Prior art date
Application number
BE189048A
Other languages
English (en)
French (fr)
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 BE868708A publication Critical patent/BE868708A/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)
BE189048A 1977-07-05 1978-07-04 Fibre creuse d'acetate de cellulose et son procede de realisation. BE868708A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE868708A true BE868708A (fr) 1979-01-04

Family

ID=25211003

Family Applications (1)

Application Number Title Priority Date Filing Date
BE189048A BE868708A (fr) 1977-07-05 1978-07-04 Fibre creuse d'acetate de cellulose et son procede de realisation.

Country Status (18)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1153171A (en) * 1979-12-17 1983-09-06 David T. Chen Cellulose semipermeable hollow fibers and method for making same
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 (en) * 1984-11-16 1990-07-31 Shoji Mizutani Fluid separator, hollow fiber to be used for construction thereof and process for preparation of said hollow fibers
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 (en) 2001-06-26 2003-01-03 Toray Industries, Inc. Thermoplastic cellulose derivative composition and fiber comprising the same
WO2013125681A1 (ja) * 2012-02-24 2013-08-29 東洋紡株式会社 中空糸型半透膜及びその製造方法及びモジュール及び水処理方法
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 (de) * 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 (en) 1981-08-18
NO147979C (no) 1983-07-20
GB2000722A (en) 1979-01-17
DK149600C (da) 1987-02-09
JPS6317922B2 (de) 1988-04-15
FR2396780A1 (fr) 1979-02-02
DD137950A5 (de) 1979-10-03
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 (de) 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
RE Patent lapsed

Owner name: CD MEDICAL INC.

Effective date: 19910731

RR Patent reestablished after lapse

Free format text: 920708 *CD MEDICAL INC.

CN Change of patent owner's name
RE20 Patent expired

Owner name: ALTHIN MEDICAL INC.

Effective date: 19980704