BR7904887A - Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos - Google Patents

Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos

Info

Publication number
BR7904887A
BR7904887A BR7904887A BR7904887A BR7904887A BR 7904887 A BR7904887 A BR 7904887A BR 7904887 A BR7904887 A BR 7904887A BR 7904887 A BR7904887 A BR 7904887A BR 7904887 A BR7904887 A BR 7904887A
Authority
BR
Brazil
Prior art keywords
wires
porous wires
synthetic polymers
porous
obtaining
Prior art date
Application number
BR7904887A
Other languages
English (en)
Portuguese (pt)
Inventor
E Kessler
K Gerlach
Original Assignee
Akzo 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 Nv filed Critical Akzo Nv
Publication of BR7904887A publication Critical patent/BR7904887A/pt

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
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • D01D5/247—Discontinuous hollow structure or microporous structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BR7904887A 1978-07-31 1979-07-30 Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos BR7904887A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2833568A DE2833568C2 (de) 1978-07-31 1978-07-31 Poröse Fäden

Publications (1)

Publication Number Publication Date
BR7904887A true BR7904887A (pt) 1980-04-22

Family

ID=6045861

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7904887A BR7904887A (pt) 1978-07-31 1979-07-30 Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos

Country Status (11)

Country Link
JP (1) JPS5522097A (xx)
AT (1) AT372411B (xx)
BE (1) BE877930A (xx)
BR (1) BR7904887A (xx)
CA (1) CA1140309A (xx)
CH (1) CH637795B (xx)
DE (1) DE2833568C2 (xx)
ES (1) ES482966A1 (xx)
FR (1) FR2432564A1 (xx)
GB (1) GB2026935B (xx)
IT (1) IT1118170B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58159739A (ja) * 1982-03-19 1983-09-22 オリンパス光学工業株式会社 レ−ザ手術装置
JPS6052613A (ja) * 1983-08-30 1985-03-25 Toyobo Co Ltd 高強力、高弾性率ポリエチレン繊維
JP2543360B2 (ja) * 1987-04-06 1996-10-16 トヨタ自動車株式会社 多孔質ポリプロピレン繊維
JPH0636809Y2 (ja) * 1988-10-11 1994-09-28 株式会社モリタ製作所 歯科用レーザ切換装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL128691C (xx) * 1961-02-10
US3513110A (en) * 1965-07-26 1970-05-19 Celanese Corp Open-celled low density filamentary material
DE2550080B2 (de) * 1975-11-07 1978-03-09 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von Filamenten mit nicht durchgehenden Hohlräumen
DE2554124C3 (de) * 1975-12-02 1986-07-10 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus Acrylnitrilpolymerisaten

Also Published As

Publication number Publication date
DE2833568A1 (de) 1980-02-21
JPS5522097A (en) 1980-02-16
DE2833568C2 (de) 1987-02-12
CH637795GA3 (xx) 1983-08-31
CA1140309A (en) 1983-02-01
AT372411B (de) 1983-10-10
FR2432564B1 (xx) 1982-12-10
ATA506279A (de) 1983-02-15
ES482966A1 (es) 1980-05-16
IT1118170B (it) 1986-02-24
CH637795B (de)
BE877930A (fr) 1979-11-16
IT7949806A0 (it) 1979-07-19
GB2026935A (en) 1980-02-13
FR2432564A1 (fr) 1980-02-29
GB2026935B (en) 1982-09-08

Similar Documents

Publication Publication Date Title
BR7901204A (pt) Produto e processo
BR7701695A (pt) Processo e aparelho para producao de polpa
BR7902189A (pt) Suporte de ferradura e processo para fabricacao do mesmo
BR7803194A (pt) Processo e dispositivo de filtragem
BR7905539A (pt) Processo de ensaio de pocos
IT1130908B (it) Processo di polimerizzazione di alfa-olefine e catalizzatore per detto
IT1120007B (it) Catalizzatore e processo per aldei di non sature
BR8104565A (pt) Catalisador e processo de preparacao de catalisador
AR224758A1 (es) Metodo y aparato de perfilado de pozos
BR7807922A (pt) Processo para produzir fios de enrolamentos isolados no processo de extrusao
BR7708732A (pt) Polimeros de grupamentos de imidas e processo para preparalos
AT352390B (de) Verfahren zur herstellung von aethylenpolymeri- saten
BR7904887A (pt) Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos
IT1112201B (it) Apparecchio e processo per la presso-fusione
BR8008028A (pt) Processo para desidrocopulacao de tolueno
BR8107049A (pt) Processo para producao de enduracidina
DD150884A5 (de) Verfahren zur herstellung von magnesiamoertel-trockenmasse
BR8003734A (pt) Processo de hidroformilacao de olefina
BR7904057A (pt) Processo fisico-bioquimico
BR7800185A (pt) Processo para producao de tiazolino-2-tionas e tiazolino-2-tionas
IT1089701B (it) Processo di ammossidazione e catalizzatore per detto processo
BR8108547A (pt) Processo para obtencao de acidos fenoxialcanoicos clorados
BR8107126A (pt) Processo para preparacao de aldeidos alifaticos
AT362539B (de) Einrichtung zur herstellung von draehten
AT352910B (de) Verfahren zur herstellung von beta-mehtyl- digoxin