POLYETHYLENE COMPOSITION FOR BLOW MOLDING HAVING HIGH STRESS CRACKING RESISTANCE

A polyethylene composition particularly suited for producing blow-molded hollow articles, having the following features: 1) density from greater than 0.952 to 0.957 g/cm3, determined according to ISO 1183-1 at 23°C; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) η0.02 from 30,000...

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Bibliographic Details
Main Authors MARCZINKE, BERND LOTHAR, FIBLA, CLAUDIO, DÖTSCH, DIANA, DAMM, ELKE, MEIER, GERHARDUS, SCHUELLER, ULF
Format Patent
LanguageEnglish
Polish
Published 31.05.2021
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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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Summary:A polyethylene composition particularly suited for producing blow-molded hollow articles, having the following features: 1) density from greater than 0.952 to 0.957 g/cm3, determined according to ISO 1183-1 at 23°C; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) η0.02 from 30,000 to 55,000 Pa.s; 5) long-chain branching index, LCBI, equal to or greater than 0.55; 6) ratio (η0.02/1000)/ LCBI from 55 to 75.
Bibliography:Application Number: PL20170792051T