ES2092516T3 - Hilos huecos de poliacrilonitrilo. - Google Patents

Hilos huecos de poliacrilonitrilo.

Info

Publication number
ES2092516T3
ES2092516T3 ES91104003T ES91104003T ES2092516T3 ES 2092516 T3 ES2092516 T3 ES 2092516T3 ES 91104003 T ES91104003 T ES 91104003T ES 91104003 T ES91104003 T ES 91104003T ES 2092516 T3 ES2092516 T3 ES 2092516T3
Authority
ES
Spain
Prior art keywords
dry
polyacrylonitrile
hollow threads
treatment
straps
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 - Lifetime
Application number
ES91104003T
Other languages
English (en)
Inventor
Jurgen Rudolf Dr Klee
Gunter Dr Turck
Wilfried Naunheim
Theo Dr Neukam
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.)
Akzo Nobel NV
Original Assignee
Akzo Nobel NV
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 Akzo Nobel NV filed Critical Akzo Nobel NV
Application granted granted Critical
Publication of ES2092516T3 publication Critical patent/ES2092516T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Artificial Filaments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

LA INVENCION: SE REFIERE A HEBRAS HUECAS CONFORMADAS A BASE DE POLIACRILONITRILO Y EMPLEADAS PARA FORMAR ENVUELTAS CON MEMBRANAS DE ESTRUCTURA POROSA Y ASIMETRICO: TRATA DE UN PROCEDIMIENTO QUE SE UTILIZA PARA OBTENER HEBRAS HUECAS SECAS CON ESTRUCTURA POROSA ASIMETRICA Y CONSISTE BASICAMENTE EN; REALIZAR UN PROCESO DE HILADO DRY-WET CON FLUIDOS CONTENIENDO GLICERINA; DETERMINAR LAS CONDICIONES DE TRATAMIENTO DE ESTIRADO Y LOS POSTERIORES TRATAMIENTOS Y TRATAR LAS HEBRAS CON ALCOHOLES Y SECAR LAS HEBRAS Y SE CARACTERIZA PORQUE; EL POLIACRILONITRILO ES UN HOMOPOLIMERIZADO Y LA ESTRUCTURA POROSA DE LAS HEBRAS HUECAS MOJADAS PRODUCIDAS SEGUN HILADO SE FIJA EN ESTADO SECO (MEDIANTE TRATAMIENTO DE LAS HEBRAS CON ALCOHOL Y SECADO DE LAS MISMAS).
ES91104003T 1990-03-28 1991-03-15 Hilos huecos de poliacrilonitrilo. Expired - Lifetime ES2092516T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4009865A DE4009865A1 (de) 1990-03-28 1990-03-28 Polyacrylnitril-hohlfaeden

Publications (1)

Publication Number Publication Date
ES2092516T3 true ES2092516T3 (es) 1996-12-01

Family

ID=6403186

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91104003T Expired - Lifetime ES2092516T3 (es) 1990-03-28 1991-03-15 Hilos huecos de poliacrilonitrilo.

Country Status (6)

Country Link
US (1) US5130065A (es)
EP (1) EP0449054B1 (es)
JP (1) JPH04222204A (es)
CA (1) CA2038964A1 (es)
DE (2) DE4009865A1 (es)
ES (1) ES2092516T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411018A (ja) * 1990-04-25 1992-01-16 Mitsubishi Rayon Co Ltd 可逆的変色成形物及びその製造方法
IE920517A1 (en) * 1991-03-11 1992-09-23 North West Water Group Plc Extruded porous structure
US7098463B2 (en) 2003-03-03 2006-08-29 Heuris Pharma, Llc Three-dimensional dosimeter for penetrating radiation and method of use
BRPI0908352A2 (pt) 2008-02-11 2015-07-28 Basf Se Processo para produzir estruturas porosas, estrutura porosa, e, uso da mesma

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE262169C (es) *
US3975478A (en) * 1974-08-14 1976-08-17 Monsanto Company Method for producing highly permeable acrylic hollow fibers
DE2901860A1 (de) * 1979-01-18 1980-07-31 Bayer Ag Kontinuierliches verfahren zur herstellung von faeden oder fasern aus schwerloeslichen synthetischen polymeren
DD262169A1 (de) * 1987-06-26 1988-11-23 Akad Wissenschaften Ddr Verfahren zur herstellung von asymmetrischen hohlmembranen aus acrylnitrilpolymerisaten

Also Published As

Publication number Publication date
DE59108250D1 (de) 1996-11-14
EP0449054B1 (de) 1996-10-09
EP0449054A1 (de) 1991-10-02
JPH04222204A (ja) 1992-08-12
CA2038964A1 (en) 1991-09-29
US5130065A (en) 1992-07-14
DE4009865A1 (de) 1991-10-02

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