Patent · US Active

Low migration polyolefin composition comprising vitamin E-type stabiliser

US8501844B2 · kind B2 · utility

0Cited by

2References

18Claims

0Family size

Assignee

Borealis Technology Oy · FI

Inventors

Martin Anker · Karlskrona, SE
Svein Jamtvedt · Stathelle, NO
Jeroen Oderkerk · Stenungsund, SE

Key dates

Filing date	Jul 8, 2008
Grant date	Aug 6, 2013
Priority date	—
Expiry date	Jan 18, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/139
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a polyolefin composition comprising (a) a polyolefin (A), (b) a vitamin E-type stabilizer (B) according to formula (I), wherein R1, R2, R3, R4 and R5 independently are H, or non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise heteroatoms, and (c) a phenolic stabilizer (C) according to formula (II), wherein R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups; and X1, X2, and X3 independently are H or OH, with the provisio that at least one of X1, X2 and X3 is OH, and (d) optionally, an UV stabilizer, to an article comprising such a polyolefin composition and to the use of such a composition for the production of an article.

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