MICROPOROUS HOLLOW POLYETHYLENE FIBERS

In microporous hollow fibres the pores are mutually adjoining and they have a permeability for oxygen gas (O2 gas) of at least 2 x 10<-5> cm , under standard pressure and temperature conditions, per cm of membrane area per second per cm of mercury column transmembrane pressure differential. Th...

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Bibliographic Details
Main Authors R.D. MAHONEY, S.E. SCHNEIDER
Format Patent
LanguageEnglish
Published 27.03.1980
Subjects
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS
NATURAL OR ARTIFICIAL THREADS OR FIBRES
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
SPINNING
TEXTILES
TRANSPORTING
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Summary:In microporous hollow fibres the pores are mutually adjoining and they have a permeability for oxygen gas (O2 gas) of at least 2 x 10<-5> cm , under standard pressure and temperature conditions, per cm of membrane area per second per cm of mercury column transmembrane pressure differential. The fibres consist of polyethylene homopolymers or copolymers or their mixture with other homo- or copolymers and at least one ester, the main part of the fibre being polyethylene. The fibres mentioned can be used as means for altering the concentration of a dissolved substance in an aqueous solution.
Bibliography:Application Number: AU19770024436