FIELD: chemistry.
SUBSTANCE: polyethylene composition suitable for production of films obtained by extrusion with blowing, containing a homopolymer or copolymer of ethylene A) and an ethylene copolymer B), having an MIE value less than the MIE value for A), said composition having the following properties: 1) density of 0.948 to 0.960 g/cm3; 2) MIF/MIP ratio of 20 to 40; 3) MIF index of 6 to 15 g/10 min; 4) index HMWcopo, ranging from 0.5 to 3.5; 5) a long-chain branching index (LCBI) equal to or less than 0.82; 6) value of η0.02, equal to or less than 150,000.
EFFECT: proposed is a polyethylene composition for producing films.
10 cl, 1 dwg, 1 tbl
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Authors
Dates
2022-03-18—Published
2019-09-04—Filed