Patent · US Active

Multicomponent polypropylene compositions for use in injection moulded articles

US9328233B2 · kind B2 · utility

0Cited by

3References

11Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Klaus Bernreitner · Linz, AT
Juliane Braun · Linz, AT
Christelle Grein · Linz, AT
Georg Grestenberger · Steyr, AT
Claudia Kniesel · Linz, AT

Key dates

Filing date	May 19, 2011
Grant date	May 3, 2016
Priority date	—
Expiry date	Oct 2, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L23/0869
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A composition comprising: (I) 60 to 92.5 wt % of a first component which is a polypropylene polymer comprising a) 40 to 85 wt % of a propylene polymer A having a melt flow rate (MFR2) between 0.01 and 300 g/10 min, and b) 15 wt % or more of at least one propylene ethylene copolymer; and (II) 2.5 to 30 wt % of a second component comprising at least one ethylene alkyl (meth)acrylate polymer; and optionally (III) 5 to 25 wt % of at least one filler.

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