Patent ID: 11952482
Assignee: BOREALIS AG
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 13:
14. The heterophasic polypropylene composition (C) according to claim 1, wherein the numerical values of the Charpy Notched Impact Strength (NIS), puncture energy, soluble fraction (SF) content, determined according to CRYSTEX QC method ISO 6427-B, and total luminous transmittance fulfil inequation (II):

((NIS×Puncture energy)/SF)×total luminous transmittance≥500  (II)

wherein the Charpy Notched Impact Strength is measured at −20° C. and expressed in kJ/m2,
the puncture energy is measured at −20° C. and expressed in J,
the soluble fraction (SF) content is given in wt. %, and
the total luminous transmittance is given in %.