Patent · US Active

Heterophasic polyolefin composition

US11873397B2 · kind B2 · utility

0Cited by

6References

16Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Jingbo Wang · Linz, AT
Markus Gahleitner · Ansfelden, AT
Klaus Bernreitner · Linz, AT
Pauli Leskinen · Porvoo, FI
Matthias Hoff · Linz, AT

Key dates

Filing date	Nov 14, 2019
Grant date	Jan 16, 2024
Priority date	—
Expiry date	Jul 16, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2314/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention provides a polyolefin composition comprising: (i) 55 to 95 wt % of a propylene butene random copolymer having an MFR2 of 1.0 to 20.0 g/10 min, a butene content of 1.5 to 8.0 wt % and prepared using a single site catalyst; and (ii) to 45 wt % of an ethylene based plastomer having a density of 860 to 905 kg/m3, an MFR2 of 0.3 to 30 g/10 min and prepared using a single site catalyst.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.