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AT364899B - Verfahren zur herstellung von neuen zelluloseacetatstoffen, insbesonders in form von zelluloseacetathohlfasern - Google Patents

Verfahren zur herstellung von neuen zelluloseacetatstoffen, insbesonders in form von zelluloseacetathohlfasern

Info

Publication number
AT364899B
AT364899B AT0477578A AT477578A AT364899B AT 364899 B AT364899 B AT 364899B AT 0477578 A AT0477578 A AT 0477578A AT 477578 A AT477578 A AT 477578A AT 364899 B AT364899 B AT 364899B
Authority
AT
Austria
Prior art keywords
cellulose acetate
hollow fibers
substances
producing new
new cellulose
Prior art date
Application number
AT0477578A
Other languages
English (en)
Other versions
ATA477578A (de
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 ATA477578A publication Critical patent/ATA477578A/de
Application granted granted Critical
Publication of AT364899B publication Critical patent/AT364899B/de

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)
  • Artificial Filaments (AREA)
  • External Artificial Organs (AREA)
AT0477578A 1977-07-05 1978-06-30 Verfahren zur herstellung von neuen zelluloseacetatstoffen, insbesonders in form von zelluloseacetathohlfasern AT364899B (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA477578A ATA477578A (de) 1981-04-15
AT364899B true AT364899B (de) 1981-11-25

Family

ID=25211003

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0477578A AT364899B (de) 1977-07-05 1978-06-30 Verfahren zur herstellung von neuen zelluloseacetatstoffen, insbesonders in form von zelluloseacetathohlfasern

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4239050A4 (de) * 2020-10-30 2024-10-09 Toyo Boseki Hohlfasermembran zur kryokonservierung von zellen

Families Citing this family (11)

* 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
EP1335045B1 (de) 2001-06-26 2016-12-28 Toray Industries, Inc. Thermoplastische zellulosederivatzusammensetzung und fasern die diese enthalten
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
JP6699172B2 (ja) * 2014-09-30 2020-05-27 東レ株式会社 分離膜
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE336521A (de) * 1925-09-17
FR1456757A (fr) * 1964-09-02 1966-07-08 Dow Chemical Co Fibres creuses sélectivement perméables et leur fabrication
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4239050A4 (de) * 2020-10-30 2024-10-09 Toyo Boseki Hohlfasermembran zur kryokonservierung von zellen

Also Published As

Publication number Publication date
DE2827100C2 (de) 1983-04-28
NO782320L (no) 1979-01-08
NL7807225A (nl) 1979-01-09
AU3697178A (en) 1979-12-13
FR2396780A1 (fr) 1979-02-02
MX153159A (es) 1986-08-14
ATA477578A (de) 1981-04-15
IT7850125A0 (it) 1978-06-30
NO147979B (no) 1983-04-11
DD137950A5 (de) 1979-10-03
BR7804325A (pt) 1979-04-17
CA1107020A (en) 1981-08-18
SE428221B (sv) 1983-06-13
JPS62250215A (ja) 1987-10-31
JPS6317922B2 (de) 1988-04-15
JPS5442420A (en) 1979-04-04
DK149600C (da) 1987-02-09
NO147979C (no) 1983-07-20
DE2827100A1 (de) 1979-01-25
AU519458B2 (en) 1981-12-03
BE868708A (fr) 1979-01-04
SE7807516L (sv) 1979-01-06
IT1107799B (it) 1985-11-25
DK302078A (da) 1979-01-06
GB2000722A (en) 1979-01-17
NZ187610A (en) 1980-09-12
CH632536A5 (fr) 1982-10-15
DK149600B (da) 1986-08-04
FR2396780B1 (de) 1983-02-25
GB2000722B (en) 1982-01-27

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Legal Events

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ELJ Ceased due to non-payment of the annual fee