POLYPROPYLENE COMPOSITION CONTAINING A NEW CHARGE-STABILIZING AGENT FOR ELECTRET MELT BLOWN WEBS

A polypropylene composition (PC) comprising:a. from 95.0 to 99.99 wt.-%, of a polypropylene (PP), preferably a propylene homopolymer (HPP); andb. from 0.01 to 5.0 wt.-%, of a compound according to Formula (I)wherein each R is independently selected from C1 to C6 alkylene, C2 to C6 alkenylene and a s...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, Jingbo, VAN PARIDON, Henk, TOBIESON, Gustaf, FIEBIG, Joachim, GAHLEITNER, Markus, SARS, Wilhelmus, BERNREITNER, Klaus, LESKINEN, Pauli
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TRIMMINGS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WADDING
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Beschreibung
Zusammenfassung:	A polypropylene composition (PC) comprising:a. from 95.0 to 99.99 wt.-%, of a polypropylene (PP), preferably a propylene homopolymer (HPP); andb. from 0.01 to 5.0 wt.-%, of a compound according to Formula (I)wherein each R is independently selected from C1 to C6 alkylene, C2 to C6 alkenylene and a single bond, each R' is independently selected from H and C1 to C6 alkyl, each R" is independently selected from H and C1 to C22 alkyl, wherein each alkylene, alkenylene and alkyl group may optionally be substituted by deuterium or fluorine, and the two substituents on the central benzene ring may be either positioned in an ortho, meta or para relationship;wherein the polypropylene composition (PC) has an MFR2 of from 400 to 5000 g/10 min and a melting temperature Tm of from 140 to 170 °C.