Low filled automotive polypropylene composition containing recyclates

US12006425B2 · kind B2 · utility

Assignee

• Borealis AG · AT

Inventors

• Susanne Kahlen · Leonding, AT
• Angelica Maëlle Delphine Legras · Linz, AT
• Hermann Braun · Eislingen/Fils, DE
• Michael Jerabek · Leonding, AT
• Christophe Salles · Courbevoie, FR
• Daniela Mileva · Linz, AT

Key dates

• Filing date: Aug 11, 2021
• Grant date: Jun 11, 2024
• Expiry date: Aug 11, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2666/72
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A composition suitable for automotive application obtainable by blending at least components a) to f), or a), b), c), d), C and f) under the proviso that e) is not present a) 12 to 40 wt.-%, preferably 14 to 38 wt. %, more preferably 15 to 35 wt.-% of a first heterophasic polypropylene copolymer (HECO 1) b) 12 to 40 wt.-%, preferably 14 to 38 wt.-%, more preferably 15 to 35 wt.-% of a second heterophasic polypropylene copolymer (HECO 2) c) 15 to 65 wt.-%, preferably 18 to 60 wt.-%, more preferably 20 to 55 wt.-% of a polypropylene-polyethylene blend (A) d) 3.0 to 20 wt.-%, preferably 5.0 to 15 wt.-% and more preferably 6.0 to 15 wt.-% of an inorganic filler e) 0 to 15 wt.-% HDPE f) 0.01 to 4.0 wt.-% of additives.