DE2338786A1 - Hohle fasern fuer das niederdruckentsalzen von hartem wasser - Google Patents

Hohle fasern fuer das niederdruckentsalzen von hartem wasser

Info

Publication number
DE2338786A1
DE2338786A1 DE19732338786 DE2338786A DE2338786A1 DE 2338786 A1 DE2338786 A1 DE 2338786A1 DE 19732338786 DE19732338786 DE 19732338786 DE 2338786 A DE2338786 A DE 2338786A DE 2338786 A1 DE2338786 A1 DE 2338786A1
Authority
DE
Germany
Prior art keywords
cellulose ester
water
threads
solvent
weight
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
DE19732338786
Other languages
German (de)
English (en)
Inventor
Richard Lloyd Leonard
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of DE2338786A1 publication Critical patent/DE2338786A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • D01D5/06—Wet spinning methods
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
DE19732338786 1972-08-01 1973-07-31 Hohle fasern fuer das niederdruckentsalzen von hartem wasser Pending DE2338786A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27698372A 1972-08-01 1972-08-01

Publications (1)

Publication Number Publication Date
DE2338786A1 true DE2338786A1 (de) 1974-02-14

Family

ID=23058956

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732338786 Pending DE2338786A1 (de) 1972-08-01 1973-07-31 Hohle fasern fuer das niederdruckentsalzen von hartem wasser

Country Status (3)

Country Link
JP (1) JPS4950289A (enExample)
DE (1) DE2338786A1 (enExample)
FR (1) FR2194551A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS546916A (en) * 1977-06-20 1979-01-19 Asahi Chem Ind Co Ltd Hollow cellulose fibers and their production
EP0008536B1 (en) * 1978-08-22 1984-08-01 Mitsubishi Rayon Co., Ltd. Process for manufacturing regenerated cellulose hollow fiber
CA1141114A (en) 1978-11-24 1983-02-15 Masamichi Ishida Regenerated cellulose hollow fiber and process for manufacturing same
US5181940A (en) * 1991-08-01 1993-01-26 Union Carbide Industrial Gases Technology Corporation Hollow fiber membranes

Also Published As

Publication number Publication date
FR2194551B3 (enExample) 1976-07-16
JPS4950289A (enExample) 1974-05-15
FR2194551A1 (en) 1974-03-01

Similar Documents

Publication Publication Date Title
DE2137338A1 (de) Asymmetrische Hohlfaden-Membranen und Verfahren zu ihrer Herstellung
DE2606244C3 (enExample)
DE2630374C3 (de) Poröser Hohlfaden aus Polypropylen und Verfahren zu seiner Herstellung
DE3138525C2 (enExample)
DD258627A5 (de) Verfahren zur bildung einer hautlosen, hohlen, nicht zusammendrueckbaren faser aus einem zellusoleestermaterial
DE2321460B2 (de) Hohlfasern aus Acrylnitrilpolymeren und Verfahren zu ihrer Herstellung
DE3342823C2 (enExample)
DE3934267A1 (de) Hohlfasermembran und verfahren zu ihrer herstellung
DE2642245C3 (de) Polyvinylalkohol-Hohlfaser und ihre Verwendung
DE2621519C3 (de) Verfahren zur Herstellung von asymmetrischen permselektiven Zellulosetriacetatmembranen mit Skinschicht
DE2342226A1 (de) Integrale, halbdurchlaessige polymere filmmembran und verfahren zu ihrer herstellung
DE2300496C3 (de) Asymmetrische Umkehr-Osmosemembranen auf Cellulosebasis
DE2338786A1 (de) Hohle fasern fuer das niederdruckentsalzen von hartem wasser
DE3006880A1 (de) Plasmaphoresemembran
DE3018667C2 (de) Fasermembran für umgekehrte Osmose
EP0574699A2 (de) Dialysemembran aus Celluloseacetat
WO1996034037A1 (de) Verfahren zur herstellung von cellulose-flachfolien
DE3329578C2 (enExample)
DE2718155C2 (enExample)
DE1779010B2 (de) Verfahren zur herstellung von mikroporoesen filmen aus hochpolymeren
AT406738B (de) Verwendung eines cellulosischen formkörpers
EP0178293B1 (de) Verfahren zur Herstellung von Cellulosefäden bzw. -fasern sowie Einrichtung zur Durchführung des Verfahrens
DE3801528C2 (de) Membran, Verfahren zu ihrer Herstellung und Verwendung der Membran
DE2027698C3 (de) Verfahren zur Reinigung wäßriger Itaconsäurelösungen durch umgekehrte Osmose
DE2511827A1 (de) Verfahren zur herstellung von polyvinylalkohol-hohlfasern

Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee