[54] POLYETHYLENE COMPOSITION HAVING HIGH SWELL RATIO
[57] Abstract: A polyethylene composition particularly suited for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm3, determined according to ISO 1183 at 23°C;2) ratio MIF/MIP from 12 to 30;3) Mz from 2,000,000 to 4,500,000 g/mol;4) ?0.02 from 160,000 to 300,000 Pa.s;5) long-chain branching index, LCBI, equal to or greater than 0.75. Fig.1
No. of claims: 10 No. of figures: 1
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