Patent · US Active

Stabilized polyolefin compositions comprising benzofuranones and hindered amine light stabilizers

US10941286B2 · kind B2 · utility

2Cited by

7References

21Claims

0Family size

Assignee

BASF SE

Inventors

Roswell E. King, III · Pleasantville, US
Werner Hoelzl · Eschentzwiller, FR

Key dates

Filing date	Jul 3, 2018
Grant date	Mar 9, 2021
Priority date	—
Expiry date	Jul 3, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2207/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyolefin compositions comprising i) a polyolefin, ii) one or more phosphorus-containing benzofuranone compounds and iii) one or more hindered amine light stabilizers are provided excellent protection against discoloration and enhanced thermal stability during melt processing as exhibited by improved retention of molecular weight and maintenance of polymer molecular architecture.

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