Patent · US Active

High-flow fiber reinforced polypropylene composition

US9650504B2 · kind B2 · utility

4Cited by

2References

11Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Erwin Kastner · Linz, AT
Jochen Kastl · Leonding, AT
Markus Hemmeter · Linz, AT

Key dates

Filing date	Mar 27, 2013
Grant date	May 16, 2017
Priority date	—
Expiry date	Dec 19, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/025
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Fiber reinforced composition comprising a heterophasic propylene copolymer, a propylene homopolymer and/or a propylene copolymer, and fibers having an average diameter of 12.0 μm or less, wherein the propylene copolymer comprises not more than 2.0 wt.-% C2 to C10 α-olefins other than propylene, the propylene homopolymer and the propylene copolymer have a melt flow rate MFR2 (230° C.) of at least 100 g/10 min, and the composition has a melt flow rate MFR2 (230° C.) of at least 10 g/10 min.

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