Soft polypropylene composition

A heterophasic propylene copolymer (RAHECO), said heterophasic propylene copolymer (RAHECO) comprises a matrix (M) being a random propylene copolymer (R-PP) and an elastomeric propylene copolymer (E) dispersed in said matrix (M),

• wherein the heterophasic propylene copolymer (RAHECO) has
• a) a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range of 2.5 to 12.0 g/10 min,
• b) a xylene cold soluble fraction (XCS) determined according ISO 16152 (25° C.) in the range of 38.0 to 50.0 wt.-%, said xylene cold soluble fraction (XCS) having a comonomer content below 36.0 mol-%,
• and wherein further
• the xylene cold insoluble fraction (XCI) of the heterophasic propylene copolymer (RAHECO) has a relative content of isolated to block ethylene sequences (I(E)) of below 55.0%, wherein the I(E) content is defined by equation (I)
• I
• ⁡
• (
• E
• )
• =
• fPEP
• (
• fEEE
• +
• fPEE
• +
• fPEP
• )
• ×
• 100
• (
• I
• )
• wherein
• I(E) is the relative content of isolated to block ethylene sequences [in %];
• fPEP is the mol fraction of propylene/ethylene/propylene sequences (PEP) in the xylene cold insoluble fraction (XCI) of the heterophasic propylene copolymer (RAHECO);
• fPEE is the mol fraction of propylene/ethylene/ethylene sequences (PEE) and of ethylene/ethylene/propylene sequences (EEP) in the xylene cold insoluble fraction (XCI) of the heterophasic propylene copolymer (RAHECO);
• and
• fEEE is the mol fraction of ethylene/ethylene/ethylene sequences (EEE) in the xylene cold insoluble fraction (XCI) of the heterophasic propylene copolymer (RAHECO),
• wherein all sequence concentrations being based on a statistical triad analysis of 13C-NMR data.