SUPER HIGH MOLECULAR WEIGHT ETHYLENE-ALPHA-OLEFIN COPOLYMER POWDER

Provided is an ultrahigh molecular weight ethylene-±-olefin copolymer powder having an intrinsic viscosity of 5 dl/g or more, a DSC melting point of 122°C or less, an apparent bulk density of 0.30 g/cm 3 or more, and a flow-down rate of 20 g/10 seconds or more. Also, provided is an ultrahigh molecul...

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Bibliographische Detailangaben
1. Verfasser:	KUMAMOTO, SHIN-ICHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Provided is an ultrahigh molecular weight ethylene-±-olefin copolymer powder having an intrinsic viscosity of 5 dl/g or more, a DSC melting point of 122°C or less, an apparent bulk density of 0.30 g/cm 3 or more, and a flow-down rate of 20 g/10 seconds or more. Also, provided is an ultrahigh molecular weight ethylene-±-olefin copolymer powder having an intrinsic viscosity of 5 dl/g or more, a DSC melting point of 122°C or less, a median diameter of 1 to 3000 µm, and a particle size distribution parameter (SPAN) of 3 or less.