ES8202873A1 - Procedimiento para preparar una fibra hueca semipermeable decelulosa - Google Patents

Procedimiento para preparar una fibra hueca semipermeable decelulosa

Info

Publication number
ES8202873A1
ES8202873A1 ES497154A ES497154A ES8202873A1 ES 8202873 A1 ES8202873 A1 ES 8202873A1 ES 497154 A ES497154 A ES 497154A ES 497154 A ES497154 A ES 497154A ES 8202873 A1 ES8202873 A1 ES 8202873A1
Authority
ES
Spain
Prior art keywords
fiber
cellulose
hollow
range
cellulose ester
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.)
Expired
Application number
ES497154A
Other languages
English (en)
Other versions
ES497154A0 (es
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 ES497154A0 publication Critical patent/ES497154A0/es
Publication of ES8202873A1 publication Critical patent/ES8202873A1/es
Expired 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
    • B01D71/10—Cellulose; Modified cellulose
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • External Artificial Organs (AREA)

Abstract

PROCEDIMIENTO PARA PREPARAR UNA FIBRA HUECA SEMIPERMEABLE DE CELULOSA. COMPRENDE LAS SIGUIENTE ETAPAS: PRIMERA, SE HILA MEDIANTE UNA BOQUILLO UNA FIBRA HUECA DE ESTER DE CELULOSA A PARTIR DE UNA COMPOSICION DE HILATURA FUNDIDA, COMPUESTA POR UN 35 A UN 80 POR 100 EN PESO DE ESTER DE CELULOSA Y EL RESTO DE UN POLIOL CON UN PESO MOLECULAR COMPRENDIDO ENTRE 106 Y 900; SEGUNDA, SE HIDROLIZA Y EL RESTO DE UN POLIOL CON UN PESO MOLECULAR COMPRENDIDO ENTRE 106 Y 900; SEGUNDA, SE HIDROLIZA LA FIBRA OBTENIDA EN LA ETAPA ANTERIOR; TERCERA, SE PLASTIFICA DICHA FIBRA, MIENTRAS SE ENCUENTRA HUMEDA, CON UN PLASTIFICANTE SOLUBLE EN AGUA Y NO VOLATIL; Y POR ULTIMO, SE SECA LA FIBRA HUECA DE ESTER DE CELULOSA PLASTIFICADA.
ES497154A 1979-12-17 1980-11-26 Procedimiento para preparar una fibra hueca semipermeable decelulosa Expired ES8202873A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10420779A 1979-12-17 1979-12-17

Publications (2)

Publication Number Publication Date
ES497154A0 ES497154A0 (es) 1982-02-16
ES8202873A1 true ES8202873A1 (es) 1982-02-16

Family

ID=22299216

Family Applications (2)

Application Number Title Priority Date Filing Date
ES497154A Expired ES8202873A1 (es) 1979-12-17 1980-11-26 Procedimiento para preparar una fibra hueca semipermeable decelulosa
ES81507576A Granted ES507576A0 (es) 1979-12-17 1981-11-30 Perfeccionamientos en dispositivos de separacion para hemo- dializar y hemofiltrar sangre

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES81507576A Granted ES507576A0 (es) 1979-12-17 1981-11-30 Perfeccionamientos en dispositivos de separacion para hemo- dializar y hemofiltrar sangre

Country Status (13)

Country Link
JP (1) JPH0778288B2 (es)
AU (1) AU543028B2 (es)
BE (1) BE886354A (es)
CA (1) CA1153171A (es)
CH (1) CH650033A5 (es)
DD (2) DD200311A5 (es)
DE (1) DE3044435C3 (es)
ES (2) ES8202873A1 (es)
FR (1) FR2473340B1 (es)
GB (1) GB2065546B (es)
IT (1) IT1146243B (es)
NL (1) NL192269C (es)
SE (1) SE449376B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042110A1 (de) * 1980-11-07 1982-06-16 Akzo Gmbh, 5600 Wuppertal Mikroporoese cellulosemembran
DE3129064A1 (de) * 1981-07-23 1983-02-10 Akzo Gmbh, 5600 Wuppertal Verfahren und vorrichtung zur blutoxygenation
US4425129A (en) * 1981-12-07 1984-01-10 Colgate-Palmolive Company Diaper with cushioned elastic leg hold edges
DE3317037A1 (de) * 1983-05-10 1984-11-15 Hoechst Ag, 6230 Frankfurt Membran aus regenerierter cellulose mit verbesserrten diffusionseigenschaften und verfahren zur herstellung
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
JPS6036061A (ja) * 1983-08-08 1985-02-25 鐘淵化学工業株式会社 血液浄化装置
JPS6045359A (ja) * 1983-08-19 1985-03-11 鐘淵化学工業株式会社 血液浄化器
JPH0653164B2 (ja) * 1986-06-10 1994-07-20 東洋紡績株式会社 セルロ−スエステル系中空糸状血漿分離膜
DE3842822A1 (de) * 1988-12-20 1990-07-05 Akzo Gmbh Biocompatible dialysemembran aus einem gemischten polysaccharidester
DE4038247A1 (de) * 1990-11-30 1992-06-04 Akzo Gmbh Cellulosedialysehohlfaden
ATE136808T1 (de) * 1992-06-25 1996-05-15 Saechsische Kunstseiden Gmbh Verfahren zur erhöhung der form- und spinnstabilität von kapillarhohlmembranen
JPH07779A (ja) * 1993-02-04 1995-01-06 Mitsubishi Rayon Co Ltd 炭酸ガス溶解方法及び装置
ES2547677T3 (es) 2011-05-26 2015-10-08 Biocell Gesellschaft Für Biotechnologie Mbh Apósito funcionalizado
CN110685021B (zh) * 2019-09-26 2021-06-04 湖北新阳特种纤维股份有限公司 纺织用二醋酸纤维素纤维的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3494780A (en) * 1966-11-04 1970-02-10 Dow Chemical Co Method for enhancing permeability of separatory membranes
GB1481064A (en) * 1973-08-30 1977-07-27 Teijin Ltd Membrane apparatus for treating fluids
JPS5644161B2 (es) * 1974-02-21 1981-10-17
JPS5644162B2 (es) * 1974-02-22 1981-10-17
JPS5155417A (ja) * 1974-11-09 1976-05-15 Teijin Ltd Seruroosuaseteetochukushino seizohoho
JPS52144416A (en) * 1976-05-25 1977-12-01 Teijin Ltd Hollow cellulose fibers
AU519458B2 (en) * 1977-07-05 1981-12-03 Cordis Dow Corporation Cellulose acetate hollow fibres
DE2967152D1 (en) * 1978-08-22 1984-09-06 Mitsubishi Rayon Co Process for manufacturing regenerated cellulose hollow fiber

Also Published As

Publication number Publication date
DE3044435C3 (de) 1998-08-13
SE449376B (sv) 1987-04-27
GB2065546B (en) 1985-02-13
SE8008813L (sv) 1981-06-18
NL192269C (nl) 1997-04-03
ES497154A0 (es) 1982-02-16
FR2473340B1 (fr) 1988-08-05
JPH0778288B2 (ja) 1995-08-23
IT8050066A0 (it) 1980-11-03
CH650033A5 (fr) 1985-06-28
NL8006491A (nl) 1981-07-16
BE886354A (fr) 1981-05-26
AU543028B2 (en) 1985-03-28
ES8301643A1 (es) 1982-12-16
AU6340580A (en) 1981-06-25
NL192269B (nl) 1996-12-02
FR2473340A1 (fr) 1981-07-17
DE3044435A1 (de) 1981-06-25
CA1153171A (en) 1983-09-06
JPS5691006A (en) 1981-07-23
DD154068A5 (de) 1982-02-24
GB2065546A (en) 1981-07-01
IT1146243B (it) 1986-11-12
DD200311A5 (de) 1983-04-13
DE3044435C2 (es) 1992-05-27
ES507576A0 (es) 1982-12-16

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