AU508669B2 - Microporous hollow polyethylene fibers - Google Patents

Microporous hollow polyethylene fibers

Info

Publication number
AU508669B2
AU508669B2 AU2443677A AU2443677A AU508669B2 AU 508669 B2 AU508669 B2 AU 508669B2 AU 2443677 A AU2443677 A AU 2443677A AU 2443677 A AU2443677 A AU 2443677A AU 508669 B2 AU508669 B2 AU 508669B2
Authority
AU
Australia
Prior art keywords
polyethylene fibers
microporous hollow
hollow polyethylene
microporous
fibers
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
AU2443677A
Other versions
AU2443677A (en
Inventor
R D Mahoney
S E Schneider
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.)
Althin Medical Inc
Original Assignee
Althin Medical Inc
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 Althin Medical Inc filed Critical Althin Medical Inc
Priority to AU2443677A priority Critical patent/AU508669B2/en
Priority to FR7712320A priority patent/FR2388065B1/fr
Priority to NLAANVRAGE7704427,A priority patent/NL187967C/en
Priority to CH504377A priority patent/CH632169A5/en
Priority to GB1691977A priority patent/GB1558856A/en
Priority to DE19772718155 priority patent/DE2718155C2/de
Publication of AU2443677A publication Critical patent/AU2443677A/en
Application granted granted Critical
Publication of AU508669B2 publication Critical patent/AU508669B2/en
Application status is Expired legal-status Critical

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/46Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane formation
    • B01D67/0023Organic membrane formation by inducing porosity into non porous precursor membranes
    • B01D67/0025Organic membrane formation by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027Organic membrane formation by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane formation
    • B01D67/0023Organic membrane formation by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane formation by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/26Polyalkenes
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247Discontinuous hollow structure or microporous structure
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/08Addition of substances to the spinning solution or to the melt for forming hollow filaments
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
AU2443677A 1977-04-20 1977-04-20 Microporous hollow polyethylene fibers Expired AU508669B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2443677A AU508669B2 (en) 1977-04-20 1977-04-20 Microporous hollow polyethylene fibers
FR7712320A FR2388065B1 (en) 1977-04-20 1977-04-22
NLAANVRAGE7704427,A NL187967C (en) 1977-04-20 1977-04-22 Method for the production of a microporous hollow fiber.
CH504377A CH632169A5 (en) 1977-04-20 1977-04-22 Microporous hollow fibres and manufacture thereof
GB1691977A GB1558856A (en) 1977-04-20 1977-04-22 Microporus polyethylene hollow fibres and process for preparing them
DE19772718155 DE2718155C2 (en) 1977-04-20 1977-04-23

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
AU2443677A AU508669B2 (en) 1977-04-20 1977-04-20 Microporous hollow polyethylene fibers
FR7712320A FR2388065B1 (en) 1977-04-20 1977-04-22
NLAANVRAGE7704427,A NL187967C (en) 1977-04-20 1977-04-22 Method for the production of a microporous hollow fiber.
CH504377A CH632169A5 (en) 1977-04-20 1977-04-22 Microporous hollow fibres and manufacture thereof
GB1691977A GB1558856A (en) 1977-04-20 1977-04-22 Microporus polyethylene hollow fibres and process for preparing them
DE19772718155 DE2718155C2 (en) 1977-04-20 1977-04-23

Publications (2)

Publication Number Publication Date
AU2443677A AU2443677A (en) 1978-10-26
AU508669B2 true AU508669B2 (en) 1980-03-27

Family

ID=27542612

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2443677A Expired AU508669B2 (en) 1977-04-20 1977-04-20 Microporous hollow polyethylene fibers

Country Status (6)

Country Link
AU (1) AU508669B2 (en)
CH (1) CH632169A5 (en)
DE (1) DE2718155C2 (en)
FR (1) FR2388065B1 (en)
GB (1) GB1558856A (en)
NL (1) NL187967C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3026718A1 (en) * 1980-07-15 1982-02-04 Akzo Gmbh Hollow fiber membrane for the plasma separation
US4670341A (en) * 1985-05-17 1987-06-02 W. R. Grace & Co. Hollow fiber
US4726989A (en) 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
JPS5652123B2 (en) * 1975-07-09 1981-12-10
US4082658A (en) * 1977-02-09 1978-04-04 Monsanto Company Hollow fiber membranes of ethylene copolymers and process for use

Also Published As

Publication number Publication date
NL187967B (en) 1991-10-01
FR2388065B1 (en) 1980-02-01
NL187967C (en) 1992-03-02
CH632169A5 (en) 1982-09-30
AU2443677A (en) 1978-10-26
DE2718155C2 (en) 1987-05-21
FR2388065A1 (en) 1978-11-17
DE2718155A1 (en) 1979-03-15
GB1558856A (en) 1980-01-09
NL7704427A (en) 1978-10-24

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