Patent · US Active

Polyethylene

US9593177B2 · kind B2 · utility

2Cited by

0References

20Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Auli Nummila-Pakarinen · Porvoo, FI
Bernt-Ake Sultan · Lund, SE
Bjorn Voigt · Onsala, SE
Martin Anker · Karlskrona, SE
Mattias Bergqvist · Gothenburg, SE
Thomas Gkourmpis · Gothenburg, SE
Thomas Hjertberg · Kungshamn, SE

Key dates

Filing date	Dec 7, 2012
Grant date	Mar 14, 2017
Priority date	—
Expiry date	Jul 24, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D123/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is greater than 15, a storage modulus G′ (5 kPa) which is above 3000 and a vinylidene content which is at least 15/100 k C, compositions, a process for production of the low density polyethylene, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process, an article, e.g. an extrusion article, and use in extrusion coating.

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