Polypropylene composition for interior automotive applications

A composition suitable for automotive applications:

• obtainable by blending at least components (A), (B) and (C)
• (A) 15 wt. % to 50 wt. % of a mixed-plastics polypropylene blend;
• (B) 10 wt. % to 60 wt. % of a heterophasic propylene copolymer;
• and
• (C) 5 wt. % to 25 wt. %, of an inorganic filler;
• whereby all percentages refer to the total composition, and whereby
• the mixed-plastics polypropylene blend (A) has
• a crystalline fraction (CF) content determined according to CRYSTEX analysis obtained through temperature cycles of dissolution at 160° C., crystallization at 40° C. and re-dissolution in 1,2,4-trichlorobenzene at 160° C. in the range from 85.0 to 96.0 wt. %, and
• a soluble fraction (SF) content determined according to CRYSTEX analysis obtained through temperature cycles of dissolution at 160° C. crystallization at 40° C. and re-dissolution in 1,2,4-trichlorobenzene at 160° C. in the range from 4.0 to 15.0 wt. %, whereby
• said crystalline fraction (CF) has an ethylene content (C2(CF)), as determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from 1.0 to 10.0 wt. %;
• and
• said soluble fraction (SF) has an intrinsic viscosity (iV(SF)) in the range from 0.9 to 2.1 dl/g in decalin according to DIN ISO 1628/1 at 135° C.;
• the heterophasic propylene copolymer (B) comprises a matrix phase and an elastomer phase dispersed therein and has:
• a melt flow rate MFR2 (230° C., 2.16 kg, ISO 1133) of 85 to 250 g/10 min;
• a soluble fraction (SF) content determined according to CRYSTEX obtained through temperature cycles of dissolution at 160° C., crystallization at 40° C. and re-dissolution in 1,2,4-trichlorobenzene at 160° C. analysis in the range from more than 20.0 wt. % to 30.0 wt. %, and
• an intrinsic viscosity of said soluble fraction (IV(SF)) as measured in decalin according to DIN ISO 1628/1 at 135° C. of 2.0 to 4.5 dl/g;
• the composition has a:
• a melt flow rate MFR2 (230° C., 2.16 kg, ISO 1133) of 20 to 60 g/10 min.