GB2026935B - Porous threads - Google Patents

Porous threads

Info

Publication number
GB2026935B
GB2026935B GB7926710A GB7926710A GB2026935B GB 2026935 B GB2026935 B GB 2026935B GB 7926710 A GB7926710 A GB 7926710A GB 7926710 A GB7926710 A GB 7926710A GB 2026935 B GB2026935 B GB 2026935B
Authority
GB
United Kingdom
Prior art keywords
porous threads
threads
porous
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
GB7926710A
Other versions
GB2026935A (en
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 NV
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 GB2026935A publication Critical patent/GB2026935A/en
Application granted granted Critical
Publication of GB2026935B publication Critical patent/GB2026935B/en
Expired 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
    • 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)
GB7926710A 1978-07-31 1979-07-31 Porous threads Expired GB2026935B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2833568A DE2833568C2 (en) 1978-07-31 1978-07-31 Porous threads

Publications (2)

Publication Number Publication Date
GB2026935A GB2026935A (en) 1980-02-13
GB2026935B true GB2026935B (en) 1982-09-08

Family

ID=6045861

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7926710A Expired GB2026935B (en) 1978-07-31 1979-07-31 Porous threads

Country Status (11)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58159739A (en) * 1982-03-19 1983-09-22 オリンパス光学工業株式会社 Laser operation apparatus
JPS6052613A (en) * 1983-08-30 1985-03-25 Toyobo Co Ltd High-tensile and high-modulus polyethylene fiber
JP2543360B2 (en) * 1987-04-06 1996-10-16 トヨタ自動車株式会社 Porous polypropylene fiber
JPH0636809Y2 (en) * 1988-10-11 1994-09-28 株式会社モリタ製作所 Dental laser switching device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL128691C (en) * 1961-02-10
US3513110A (en) * 1965-07-26 1970-05-19 Celanese Corp Open-celled low density filamentary material
DE2550080B2 (en) * 1975-11-07 1978-03-09 Akzo Gmbh, 5600 Wuppertal Process for the production of filaments with discontinuous voids
DE2554124C3 (en) * 1975-12-02 1986-07-10 Bayer Ag, 5090 Leverkusen Process for the production of hydrophilic fibers and threads from acrylonitrile polymers

Also Published As

Publication number Publication date
ATA506279A (en) 1983-02-15
DE2833568C2 (en) 1987-02-12
IT7949806A0 (en) 1979-07-19
JPS5522097A (en) 1980-02-16
FR2432564A1 (en) 1980-02-29
DE2833568A1 (en) 1980-02-21
BR7904887A (en) 1980-04-22
IT1118170B (en) 1986-02-24
FR2432564B1 (en) 1982-12-10
CH637795GA3 (en) 1983-08-31
CH637795B (en)
AT372411B (en) 1983-10-10
BE877930A (en) 1979-11-16
ES482966A1 (en) 1980-05-16
GB2026935A (en) 1980-02-13
CA1140309A (en) 1983-02-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee