IT988219B - Fibre cave o tubolari di cellu losa cuproammoniacale e proces so per la loro manifattura - Google Patents

Fibre cave o tubolari di cellu losa cuproammoniacale e proces so per la loro manifattura

Info

Publication number
IT988219B
IT988219B IT50416/73A IT5041673A IT988219B IT 988219 B IT988219 B IT 988219B IT 50416/73 A IT50416/73 A IT 50416/73A IT 5041673 A IT5041673 A IT 5041673A IT 988219 B IT988219 B IT 988219B
Authority
IT
Italy
Prior art keywords
cuproammonia
losa
cellu
proces
hollow
Prior art date
Application number
IT50416/73A
Other languages
English (en)
Inventor
M Makita
S Uematsu
S Eiga
M Tsuge
Y Ono
Original Assignee
Asahi K K
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
Priority claimed from JP47054291A external-priority patent/JPS5040168B2/ja
Priority claimed from JP5141073A external-priority patent/JPS49134920A/ja
Application filed by Asahi K K filed Critical Asahi K K
Application granted granted Critical
Publication of IT988219B publication Critical patent/IT988219B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/08Polysaccharides
    • B01D71/12Cellulose derivatives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • B01D69/081Hollow fibre membranes characterised by the fibre diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • B01D69/082Hollow fibre membranes characterised by the cross-sectional shape of the fibre
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • B01D69/087Details relating to the spinning process
    • B01D69/0871Fibre guidance after spinning through the manufacturing apparatus
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
    • D01F2/04Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts from cuprammonium solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
IT50416/73A 1972-06-02 1973-06-04 Fibre cave o tubolari di cellu losa cuproammoniacale e proces so per la loro manifattura IT988219B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP47054291A JPS5040168B2 (it) 1972-06-02 1972-06-02
JP5141073A JPS49134920A (it) 1973-05-09 1973-05-09

Publications (1)

Publication Number Publication Date
IT988219B true IT988219B (it) 1975-04-10

Family

ID=26391943

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50416/73A IT988219B (it) 1972-06-02 1973-06-04 Fibre cave o tubolari di cellu losa cuproammoniacale e proces so per la loro manifattura

Country Status (3)

Country Link
US (2) US3888771A (it)
DE (1) DE2328853C3 (it)
IT (1) IT988219B (it)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
US4127625A (en) * 1975-03-27 1978-11-28 Daicel Ltd. Process for preparing hollow fiber having selective gas permeability
US4141942A (en) * 1975-06-04 1979-02-27 Idemitsu Kosan Co., Ltd. Process for preparing fibrous materials by wet method
US4102959A (en) * 1975-07-31 1978-07-25 Idemitsu Kosan Company, Ltd. Process for preparing film by wet method
GB1566581A (en) * 1975-12-29 1980-05-08 Nippon Zeon Co Hollow fibres and methods of manufacturing such fibres
DE2720087A1 (de) * 1976-05-07 1977-11-24 Centre Tech Ind Papier Verfahren zum herstellen von viskosefaeden und nach dem verfahren hergestellte faeden
IL52259A (en) * 1976-06-22 1981-02-27 Akzo Nv Dialysis membrane and its manufacture
FR2380052A1 (fr) * 1977-02-11 1978-09-08 Akzo Nv Membrane de dialyse pour l'hemodialyse
US4176070A (en) * 1977-03-18 1979-11-27 Kuraray Co., Ltd. Semi-permeable membranes of regenerated cuprammonium cellulose and method for heat sterilization thereof in physiological saline
JPS5753564Y2 (it) * 1977-06-01 1982-11-19
US4385017A (en) * 1977-06-30 1983-05-24 Nippon Zeon Co., Ltd. Method of manufacturing hollow fiber
JPS5812932B2 (ja) * 1977-06-30 1983-03-10 日本ゼオン株式会社 中空繊維の製造方法
DE2823985C2 (de) * 1978-06-01 1986-01-02 Akzo Gmbh, 5600 Wuppertal Dialysemembran
DE2906576C2 (de) * 1978-10-02 1985-01-31 Akzo Gmbh, 5600 Wuppertal Verfahren zum Spinnen von Hohlfäden
DE2842835C3 (de) * 1978-10-02 1989-06-08 Akzo Gmbh Dialysemembranhohlfadenkette
DE7829409U1 (de) * 1978-10-02 1986-07-31 Akzo Gmbh, 5600 Wuppertal Dialysemembranhohlfaden mit größerer Austauschfläche
NL7907213A (nl) * 1978-10-02 1980-04-08 Akzo Nv Dialysemembraan gevormd door een keten van holle vezels.
LU81734A1 (de) * 1978-10-02 1980-01-24 Akzo Nv Dialysemembranhohlfaden mit verbesserter austauschflaeche
NL7907211A (nl) * 1978-10-02 1980-04-08 Akzo Nv Dialysemembraan uit holle vezel met golvingen in de lengterichting.
NL7907214A (nl) * 1978-10-02 1980-06-25 Akzo Nv Dunwandige holle-vezel-membraan voor dialyse.
CA1141114A (en) * 1978-11-24 1983-02-15 Masamichi Ishida Regenerated cellulose hollow fiber and process for manufacturing same
US4288494A (en) * 1979-03-12 1981-09-08 Extracorporeal Medical Specialites, Inc. Non-uniform cross-sectional area hollow fibers
US4291096A (en) * 1979-03-12 1981-09-22 Extracorporeal Medical Specialties, Inc. Non-uniform cross-sectional area hollow fibers
DE3031192A1 (de) * 1980-08-18 1982-04-01 Henkel KGaA, 4000 Düsseldorf Vorrichtung zum abgeben von in vorgegebenem vehaeltnis zu mischenden stoffen
US4444663A (en) * 1980-09-16 1984-04-24 Terumo Corporation Membrane and method for manufacture thereof
JPS5771407A (en) * 1980-10-20 1982-05-04 Terumo Corp Hollow fiber
DE3042110A1 (de) * 1980-11-07 1982-06-16 Akzo Gmbh, 5600 Wuppertal Mikroporoese cellulosemembran
JPS57199808A (en) * 1981-06-01 1982-12-07 Terumo Corp Production of hollow fiber
JPS5860010A (ja) * 1981-10-01 1983-04-09 Asahi Chem Ind Co Ltd 中空糸およびその中空糸からなる透析膜
JPS59150501A (ja) * 1983-02-18 1984-08-28 Terumo Corp 透析用中空繊維
CA1236956A (en) * 1983-05-02 1988-05-24 Seiichi Manabe Porous cuprammonium cellulose fibre produced with annular orifice and central coagulating stream
US4587168A (en) * 1984-04-05 1986-05-06 Toyo Boseki Kabushiki Kaisha Hollow fiber membrane for dialysis
JPS6157204A (ja) * 1984-08-27 1986-03-24 Terumo Corp 透析用中空糸及びその製造方法
US4725359A (en) * 1985-02-25 1988-02-16 Bend Research, Inc. Potable water from internal combustion engines
IT1190137B (it) * 1986-06-20 1988-02-10 Eniricerche Spa Fibra cava di poliestere ammide e procedimento per la sua preparazione
EP0266795B2 (en) * 1986-11-07 1996-03-27 Asahi Kasei Kogyo Kabushiki Kaisha Improved regenerated cellulose membrane and process for preparation thereof
US4857081A (en) 1987-10-15 1989-08-15 Separation Dynamics, Inc. Separation of water from hydrocarbons and halogenated hydrocarbons
ES2061820T5 (es) * 1988-07-20 1997-10-16 Asahi Chemical Ind Membrana de fibras huecas.
US5084349A (en) * 1988-09-07 1992-01-28 Terumo Kabushiki Kaisha Hollow cellulose fibers, method for making, and fluid processing apparatus using same
DE4038247A1 (de) * 1990-11-30 1992-06-04 Akzo Gmbh Cellulosedialysehohlfaden
WO1993003829A1 (de) * 1991-08-17 1993-03-04 Akzo N.V. Dialysehohlfaden
US5200534A (en) * 1992-03-13 1993-04-06 University Of Florida Process for the preparation of taxol and 10-deacetyltaxol
EP0574699A2 (de) * 1992-05-20 1993-12-22 Akzo Nobel N.V. Dialysemembran aus Celluloseacetat
EP0570826A1 (de) * 1992-05-20 1993-11-24 Akzo Nobel N.V. Celluloseacetatmembranen
DE59303060D1 (de) * 1992-06-05 1996-08-01 Akzo Nv Dialysemembran aus Polysaccharidether II
US20040197557A1 (en) * 2003-03-27 2004-10-07 Eshraghi Ray R Process for manufacturing hollow fibers
DE10344820B4 (de) * 2003-09-26 2009-04-16 Sartorius Stedim Biotech Gmbh Adsorptionsmembranen, Verfahren zur Herstellung derselben und Verwendung der Adsorptionsmembranen in Vorrichtungen
DE102004023410B4 (de) * 2004-05-12 2008-11-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Membran für die Blutdetoxifikation, Verfahren zu deren Herstellung sowie deren Verwendung
US20070142804A1 (en) * 2005-12-16 2007-06-21 Bernard Bobby L Hollow-core fibers
GB2443608B (en) * 2006-09-25 2008-11-12 Michael Pritchard A water purifying device
AU2012203843B2 (en) * 2006-09-25 2013-01-17 Pritchard Spray Ip Limited Extraction of liquid in a container
CN103103663B (zh) * 2012-11-29 2016-03-30 宁波双盾纺织帆布实业有限公司 一种大豆纤维的气纺纱方法
CN103498206B (zh) * 2013-10-18 2015-10-28 天津膜天膜科技股份有限公司 一种中空纤维膜喷丝组件
US11331632B2 (en) * 2020-02-14 2022-05-17 Saudi Arabian Oil Company Thin film composite hollow fiber membranes fabrication systems

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE186387C (it) *
DE247418C (it) *
DE312393C (it) *
GB189912879A (en) * 1899-06-20 1900-04-21 Reginald Haddan Improvements in the Manufacture of Hollow or Surface Coated Filaments.
FR738777A (fr) * 1931-07-06 1932-12-29 Bemberg Ag Procédé pour fabriquer des produits en cellulose
BE427913A (it) * 1937-05-11
DE864904C (de) * 1944-03-09 1953-01-29 Basf Ag Verfahren zur Herstellung von hohlen Faeden durch Verspinnen von Viscose
US3049755A (en) * 1959-08-03 1962-08-21 Asahi Chemical Ind Process and apparatus for stretch spinning cuprammonium rayon
FR1327017A (fr) * 1960-09-05 1963-05-17 Procédé de filage à l'état humide de polymères dissous dans des solutions aqueuses contenant des électrolytes et dispositif pour sa mise en oeuvre
BE608328A (it) * 1960-09-19
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
US3547721A (en) * 1966-09-02 1970-12-15 Dietzsch Gmbh Hans Joachim Process of making a diffusion unit
FR1586563A (it) * 1968-10-29 1970-02-20
US3508662A (en) * 1969-01-21 1970-04-28 Extracorporeal Med Spec Disposable,low-prime,spirally wound,artificial kidney
US3591667A (en) * 1970-03-16 1971-07-06 Univ Utah Method of producing a cellulose hemodialysis membrane
JPS474010U (it) * 1971-01-29 1972-09-08

Also Published As

Publication number Publication date
DE2328853A1 (de) 1973-12-13
USRE32277E (en) 1986-11-04
US3888771A (en) 1975-06-10
DE2328853B2 (de) 1977-12-08
DE2328853C3 (de) 1980-07-03

Similar Documents

Publication Publication Date Title
IT988219B (it) Fibre cave o tubolari di cellu losa cuproammoniacale e proces so per la loro manifattura
BE804734A (fr) Fibres creuses
IT982837B (it) Fibre cave di polimeri di acrilo nitrile per ultrafiltri e metodo per la loro produzione
IT989774B (it) Composizione per la imbozzimatura di fibre cellulosiche
IT998267B (it) Fili e fibre difficilmente infiammabili di poliesteri
IT951273B (it) Procedimento per la fabbricazione di filamenti e fibre
IT1038209B (it) Fibre poliolefiniche idrofile e processo per la loro produzione
CH386614A (de) Spinndüse zur Herstellung von Hohlfäden
IT1114835B (it) Processo per la produzione di alchileteri di cellulosa
IT945598B (it) Fibre sintetiche modificate e processo per la loro fabbricazone
IT976970B (it) Procedimento di filatura per estrusione e di stiro
IT982784B (it) Fibre di derivati della cellu losa eormate in eogli
IT1061096B (it) Processo per migliorare le proprieta delle fibre cellulosiche e per tingere le stesse
CH454341A (de) Spinndüse zur Herstellung von Hohlfäden
IT951274B (it) Procedimento per la fabbricazione di filamenti e fibre arricciati tridimensionalmente
IT995392B (it) Processo per testurizzare filato e apparecchio per l esecuzione del processo
IT994920B (it) Trattamento di fibre
BE804240A (fr) Nappes de tubes en fibres creuses de polyurethane
IT945137B (it) Procedimento ed apparecchio per la produzione di fibre increspate
IT942275B (it) Metodo per la produzione di fibre modacriliche ininfiammabili e prodotto ottenuto
BE770502A (fr) Membranes en fibres creuses asymetriques, et methode de fabrication
BR8001711A (pt) Processo de producao de extratos aquosos de orgaos com elevado teor de heparina
IT998511B (it) Processo per la produzione di fibre polimeriche
IT995676B (it) Procedimento per la tintura di fibre poliesteri modificat
BR7307023D0 (pt) Novas fibras ocas com propriedades ultrafiltrantes e processo de preparacao de tais fibras