ULTRA-LOW DENSITY POLYPROPYLENE PLASTIC COMPOUND

ULTRA-LOW DENSITY POLYPROPYLENE PLASTIC COMPOUND

A composite material is provided. The composite material includes a polypropylene blend, at least one additive, and at least one structural filler in an amount between 1.0 wt. % and 10.0 wt. %. The polypropylene blend includes a homopolymer polypropylene having a minimum ASTM D638 tensile strength o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Myszka, Joseph, Karmo, Talat, Dellock, Paul Kenneth, Salter, Stuart, Gall, Richard
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:A composite material is provided. The composite material includes a polypropylene blend, at least one additive, and at least one structural filler in an amount between 1.0 wt. % and 10.0 wt. %. The polypropylene blend includes a homopolymer polypropylene having a minimum ASTM D638 tensile strength of 4,000 psi in an amount between 40 wt. % and 70 wt. %, a high crystallinity homopolymer polypropylene having a minimum ASTM D638 tensile strength of 6,000 psi in an amount between 5 wt. % and 30 wt. %, and an impact copolymer having a rubber content greater than zero and less than 30 wt. %, the impact copolymer being in an amount between 3 wt. % and 10 wt. %.