Patent · US Active

Polypropylene composite

US10030109B2 · kind B2 · utility

23Cited by

48References

11Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Luca Boragno · Pichling, AT
Cornelia Tranninger · Linz, AT
Markus Gahleitner · Ansfelden, AT

Key dates

Filing date	Feb 6, 2015
Grant date	Jul 24, 2018
Priority date	—
Expiry date	Feb 8, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L23/0846
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Fiber reinforced composition comprising (a) a polypropylene random copolymer comprising ethylene and/or C4 to C8 a-olefin (PP-RACO), (b) glass fibers (GF), and (c) a polar modified polypropylene as adhesion promoter (AP), wherein (i) the polypropylene random copolymer comprising ethylene and/or C4 to C8 a-olefin (PP-RACO) heaving a melt flow rate MFR2 (230° C.) measured according to ISO 1133 of at least 2.5 g/10 min, (ii) the glass fibers (GF) are cut glass fibers and (iii) the polymer contained in the reinforced composition forms a continuous phase being the matrix of the fiber reinforced composition.

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