IT1118170B - Procedimento per la produzione di filati o filamenti porosi - Google Patents

Procedimento per la produzione di filati o filamenti porosi

Info

Publication number
IT1118170B
IT1118170B IT49806/79A IT4980679A IT1118170B IT 1118170 B IT1118170 B IT 1118170B IT 49806/79 A IT49806/79 A IT 49806/79A IT 4980679 A IT4980679 A IT 4980679A IT 1118170 B IT1118170 B IT 1118170B
Authority
IT
Italy
Prior art keywords
filaments
procedure
production
porous yarns
yarns
Prior art date
Application number
IT49806/79A
Other languages
English (en)
Italian (it)
Other versions
IT7949806A0 (it
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 IT7949806A0 publication Critical patent/IT7949806A0/it
Application granted granted Critical
Publication of IT1118170B publication Critical patent/IT1118170B/it

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)
IT49806/79A 1978-07-31 1979-07-19 Procedimento per la produzione di filati o filamenti porosi IT1118170B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT7949806A0 IT7949806A0 (it) 1979-07-19
IT1118170B true IT1118170B (it) 1986-02-24

Family

ID=6045861

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49806/79A IT1118170B (it) 1978-07-31 1979-07-19 Procedimento per la produzione di filati o filamenti porosi

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
CH637795B (de)
BR7904887A (pt) 1980-04-22
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

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