Microporous membrane hollow fibers with longitudinally variable mechanical and filtration properties and process of their preparation

The microporous hollow fiber membrane is formed by walls with a system of slit-like micropores oriented in a lengthwise direction showing constant size and density of the micropores across the fiber and variable size and density along the fiber length such that the size and the density of the pores...

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Bibliographische Detailangaben
Hauptverfasser:	MALAC ZDENEK RNDR, DOHNAL MIRKO CSC, PLESEK MILAN, LUCNY MIROSLAV
Format:	Patent
Sprache:	cze ; eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	The microporous hollow fiber membrane is formed by walls with a system of slit-like micropores oriented in a lengthwise direction showing constant size and density of the micropores across the fiber and variable size and density along the fiber length such that the size and the density of the pores are lower towards the fiber ends. The invention also includes the method of preparation of the hollow microporous membrane fiber.