JPS5442420A - Improved cellulose acetate hollow fiber and production thereof - Google Patents

Improved cellulose acetate hollow fiber and production thereof

Info

Publication number
JPS5442420A
JPS5442420A JP8138378A JP8138378A JPS5442420A JP S5442420 A JPS5442420 A JP S5442420A JP 8138378 A JP8138378 A JP 8138378A JP 8138378 A JP8138378 A JP 8138378A JP S5442420 A JPS5442420 A JP S5442420A
Authority
JP
Japan
Prior art keywords
cellulose acetate
hollow fibers
production
hollow fiber
acetate hollow
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP8138378A
Other languages
English (en)
Inventor
Jiei Keru Maikeru
Deii Mahonee Robaato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Althin Medical Inc
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 JPS5442420A publication Critical patent/JPS5442420A/ja
Pending legal-status Critical Current

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)
JP8138378A 1977-07-05 1978-07-04 Improved cellulose acetate hollow fiber and production thereof Pending JPS5442420A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS5442420A true JPS5442420A (en) 1979-04-04

Family

ID=25211003

Family Applications (2)

Application Number Title Priority Date Filing Date
JP8138378A Pending JPS5442420A (en) 1977-07-05 1978-07-04 Improved cellulose acetate hollow fiber and production thereof
JP62025535A Granted JPS62250215A (ja) 1977-07-05 1987-02-05 改善されたセルロ−スアセテ−ト中空繊維の製造方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP62025535A Granted JPS62250215A (ja) 1977-07-05 1987-02-05 改善されたセルロ−スアセテ−ト中空繊維の製造方法

Country Status (18)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS6343669A (ja) * 1986-08-08 1988-02-24 帝人株式会社 血液処理器の製造方法
US6984631B2 (en) 2001-06-26 2006-01-10 Toray Industries, Inc. Thermoplastic cellulose derivative composition and fiber comprising the same

Families Citing this family (5)

* 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
CA1272139C (en) * 1984-11-16 1990-07-31 FLUID SEPARATOR, HOLLOW FIBERS USED FOR ITS MANUFACTURE, AND PREPARATION OF SAID HOLLOW FIBERS
ES2808665T3 (es) * 2012-02-24 2021-03-01 Toyo Boseki Membrana semipermeable de triacetato de celulosa de tipo de fibra hueca, proceso para fabricar la misma, módulo y proceso de tratamiento de agua
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170316A (ja) * 1974-12-16 1976-06-17 Teijin Ltd Seruroosuaseteetochukushino seizohoho

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE336521A (ja) * 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170316A (ja) * 1974-12-16 1976-06-17 Teijin Ltd Seruroosuaseteetochukushino seizohoho

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0362447B2 (ja) * 1982-09-13 1991-09-26 Teijin Ltd
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
JPH0128123B2 (ja) * 1983-04-20 1989-06-01 Teijin Ltd
JPS59211459A (ja) * 1983-05-17 1984-11-30 帝人株式会社 血液処理器の滅菌方法
JPS6246190B2 (ja) * 1983-05-17 1987-10-01 Teijin Ltd
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
JPS6343669A (ja) * 1986-08-08 1988-02-24 帝人株式会社 血液処理器の製造方法
JPH0379021B2 (ja) * 1986-08-08 1991-12-17 Teijin Ltd
US6984631B2 (en) 2001-06-26 2006-01-10 Toray Industries, Inc. Thermoplastic cellulose derivative composition and fiber comprising the same

Also Published As

Publication number Publication date
FR2396780A1 (fr) 1979-02-02
ATA477578A (de) 1981-04-15
JPS62250215A (ja) 1987-10-31
DE2827100C2 (de) 1983-04-28
GB2000722B (en) 1982-01-27
AU519458B2 (en) 1981-12-03
NL7807225A (nl) 1979-01-09
MX153159A (es) 1986-08-14
IT1107799B (it) 1985-11-25
DK302078A (da) 1979-01-06
BE868708A (fr) 1979-01-04
DE2827100A1 (de) 1979-01-25
DK149600C (da) 1987-02-09
NO147979B (no) 1983-04-11
IT7850125A0 (it) 1978-06-30
GB2000722A (en) 1979-01-17
AU3697178A (en) 1979-12-13
BR7804325A (pt) 1979-04-17
CA1107020A (en) 1981-08-18
AT364899B (de) 1981-11-25
NO147979C (no) 1983-07-20
DK149600B (da) 1986-08-04
NO782320L (no) 1979-01-08
DD137950A5 (de) 1979-10-03
SE428221B (sv) 1983-06-13
FR2396780B1 (ja) 1983-02-25
JPS6317922B2 (ja) 1988-04-15
NZ187610A (en) 1980-09-12
SE7807516L (sv) 1979-01-06
CH632536A5 (fr) 1982-10-15

Similar Documents

Publication Publication Date Title
JPS5442420A (en) Improved cellulose acetate hollow fiber and production thereof
YU41931B (en) Process for the manufacture of microprous hollow fibres
IT7919147A0 (it) Filtro in fibre permeabili e suaproduzione.
IT8020745A0 (it) Metodo ed apparato per la fabbricazione di fibre ottiche e fibre ottiche fabbricate conl'ausilio di tale metodo.
AT310158B (de) Verfahren zur Herstellung von neuen 2-(Thienyl-3'-amino)-1,3-diazacycloalkenen-(2) und ihren Salzen
CH502279A (fr) Procédé pour l'obtention de fibres à partir de matières thermoplastiques, telles que notamment fibres de verre
BE857059A (fr) Procede de preparation de fibres d'oxydes polycristallins
BE849700A (fr) Composition pour l'appret d'ensimage de fibres de verre et fibres obtenues
JPS5610356A (en) Sand collector for liquid chemical used in manufacture of cellulose group pulp
DE3583631D1 (de) Waessrige zusammensetzung zur herstellung alkaliloeslicher zeitweiliger schutzanstriche.
GB2035197B (en) Process for the prodoction of semipermeable hollow fibre membranes
IT1146243B (it) Perfezionamento nelle fibre cave semipermeabili cellulosiche per dialisi osmosi ultrafiltrazione o simili altre operazioni
AT368150B (de) Verfahren zur herstellung von neuen aethern
AT292212B (de) Verfahren zur Herstellung des neuen 7α-Methyl-3,16β,17β-trihydroxy-Δ<1,3,5(10)>-oestratriens
IL52271A (en) Method of preparing reverse osmosis membranes of high urea rejection properties
AT297719B (de) Verfahren zur herstellung von neuen pyrazol <3,4-e> <1,4>-diazepin-7 (1h)-onverbindungen sowie von deren salzen
IT1105065B (it) Perfezionamento nei procedimenti di produzione di acido 2-(4-cloro-fenil)-alfa-metil-5-benzonazolilacetico
PT67939A (fr) Procede de preparation d'um liant pour la fabrication de revetements de sol aiguilletes.
JPS536627A (en) Hollow fibers
JPS5452682A (en) Manufacture of filter membrane
JPS5313932A (en) Manufacture of optical fiber material
SE416642B (sv) Metod for framstellning av asbest- och glasfiberarmerade cementark
ATE4207T1 (de) Verfahren zur herstellung von l-asparaginsaeure-n- thiocarboxyanhydrid.
AT293641B (de) Verfahren zur Herstellung des neuen 7α-Methyl-3,16α,17β-trihydroxy-Δ<1,3,5(10)>-oestratriens
IT7950417A0 (it) Perfezionamento nelle membrane di dialisi in forma di filo cavo in cellulosa rigenerata