POLYETHYLENE COMPOSITION HAVING HIGH IMPACT AND STRESS CRACKING RESISTANCE

Polyethylene composition with improved balance of impact resistance at low temperatures and Environmental Stress Cracking Resistance (ESCR), particularly suited for producing protective coatings on metal pipes, said composition having the following features: 1. density from 0.938 to 0.948 g/cm 3 ; 2...

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Bibliographische Detailangaben
Hauptverfasser:	MARCZINKE, Bernd Lothar, DÖTSCH, Diana, VOGT, Heinz, MEIER, Gerhardus, SCHÜLLER, Ulf
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Polyethylene composition with improved balance of impact resistance at low temperatures and Environmental Stress Cracking Resistance (ESCR), particularly suited for producing protective coatings on metal pipes, said composition having the following features: 1. density from 0.938 to 0.948 g/cm 3 ; 2. ratio MIF/MIP from 15 to 25; 3. MIF from 30 to 45 g/10 min.; 4. Mz equal to or greater than 1000000 g/mol; 5. LCBI equal to or greater than 0.55.