Back to results
US 11,492,478 B2Granted
Polymer composition with improved paint adhesion
AssigneeBorealis AG
InventorsClaudia Kniesel, Thomas Lummerstorfer, Anton Sageder, Michael Otte, Andreas Jahn, Angelica Maëlle Delphine Legras
Life of this patent
Estimating the term…
Abstract
The invention is directed at a polypropylene composition comprising a heterophasic propylene copolymer, a plastomer and an inorganic filler. Furthermore, the invention directed at an article comprising the polypropylene composition and the use of the polypropylene composition to improve the adhesion performance of an article.
Claims13
A polypropylene composition (C) comprising
- (a) 55 to 95 parts per weight of a heterophasic propylene copolymer (HECO);
- (b) 1 to 20 parts per weight of a plastomer (PL);
- and
- (c) 4 to 25 parts per weight of an inorganic filler (F);
- based on the total parts per weight of compounds (a), (b) and (c);
- wherein the heterophasic propylene copolymer (HECO) has an amount of xylene cold soluble (XCS) fraction in the range of 22 to 45 wt. %;
- and
- wherein the inorganic filler (F) is mica having a median particle size (D50) in the range of 1.5 to 8.0 μm.
5 more elements
Dependencies are inferred from the claim text.