Patent · US Active

Propylene composition with improved impact resistance at low temperature

US9670347B2 · kind B2 · utility

21Cited by

52References

19Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Wilfried Töltsch · Wels, AT
Luigi Resconi · Milano, IT
Kristin Reichelt · Ansfelden, AT

Key dates

Filing date	Jul 14, 2014
Grant date	Jun 6, 2017
Priority date	—
Expiry date	Jul 14, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2308/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polypropylene composition comprising comonomer units derived from ethylene in an amount of from 9.0 to 52.0 mol-% and comonomer units derived from a higher a-olefin in an amount of from 0.4 to 3.0 mol-%, wherein said polypropylene composition has an amount of xylene cold solubles of at least 30 wt.-%, wherein further the xylene cold soluble fraction has an ethylene content of from 20.0 to 80.0 mol-% and a higher a-olefin content from 0.1 to 1.5 mol-%.

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