Patent · US Active

Polyethylene with a high vinyl content and with a low MFR

US11286315B2 · kind B2 · utility

3Cited by

1References

24Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Annika Smedberg · Stenungsund, SE
Emil Hjärtfors · Stenungsund, SE
Villgot Englund · Göteborg, SE
Per-Ola Hagstrand · Stenungsund, SE
Bernt-Ake Sultan · Lund, SE
Thomas Hjertberg · Kungshamn, SE

Key dates

Filing date	Dec 18, 2018
Grant date	Mar 29, 2022
Priority date	—
Expiry date	Dec 18, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2810/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a polyethylene having a melt flow rate at (2.16) kg loading (MFR2), determined according to method ISO1133-1:2011, which MFR2 is A g/10 min and A1≤A≤A2; wherein A1 is (0.5) and A2 is (1.70), and containing a total amount of vinyl groups which is B vinyl groups per (1000) carbon atoms, and B1≤B, wherein B1 is (0.45), determined according to method ASTM D6248-98, a polymer composition, an article being e.g. a cable, e.g. a power cable, and processes for producing a polyethylene, a polymer composition and an article, and an article; useful in different end applications, such as wire and cable (W&C) applications.

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