Polyethylene composition for 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:	Vogt, Heinz, Marczinke, Bernd Lothar, Dotsch, Diana, Meier, Gerhardus, Schuller, Ulf
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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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.