Patent ID: 8802779

Claim:
A propylene-based polymer composition (P) comprising: 66 to 88 parts by weight of a propylene-based polymer (A) that contains 93.4 to 100 mol % of constitutional units derived from propylene and 0 to 6.6 mol % of constitutional units derived from an α-olefin having 4 to 20 carbon atoms and/or ethylene, provided that the total of propylene and ethylene and/or the α-olefin is 100 mol %, wherein (A) has a Tm measured by DSC of not less than 120° C. and not more than 170° C., 12 to 34 parts by weight of a propylene/ethylene/α-olefin copolymer (B) that contains 61.0 to 74.9 mol % of constitutional units derived from propylene, 17.0 to 18.5 mol % of constitutional units derived from ethylene, and 3.0 to 7.0 mol % of constitutional units derived from an α-olefin having 4 to 20 carbon atoms, provided that the total of propylene, ethylene, and α-olefin is 100 mol %, wherein the copolymer (B) has an isotactic triad fraction (mm fraction) measured by NMR of not less than 85% and has a B-value, which is defined below, of not less than 0.9 and not more than 1.1, 25 to 88 parts by weight relative to 100 parts by weight of the total of (A) and (B) of an ethylene/α-olefin copolymer (C) that contains 82 to 92 mol % of constitutional units derived from ethylene and 8 to 18 mol % of constitutional units derived from an α-olefin having 3 to 20 carbon atoms, provided that the total of ethylene and the α-olefin is 100 mol %, wherein (C) has a density of 850 to 920 kg/m 3 and an MFR (ASTM D1238, 190° C. load of 2.16 kg) of 0.1 to 10 g/10 min, B=M OE /(2 M O ·M E ), wherein M OE is the molar fraction of the total of propylene-ethylene dyad sequences and α-olefin having 4 or more carbon atoms-ethylene dyad sequences to all the dyad sequences, Mo is the total of the molar fractions of propylene and the α-olefin having 4 or more carbon atoms, and M E is the molar fraction of ethylene, and an internal haze of the composition after annealing at 120° C. is not more than 50%.