| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polypropylene-based resin composition excellent in rigidity, impact resistance, heat seal strength and food hygiene when it is formed as film, and film including the same. <P>SOLUTION: This polypropylene-based resin composition is provided by comprising (polymer (I)) 80 to 99 wt.% propylene-based copolymer comprising (component (A)) 60 to 90 wt.% polymer component having a structural unit originated from propylene as a main structural unit, and (component (B)) 10 to 40 wt.% propylene-ethylene copolymer component containing 50 to 80 wt.% content of the structural unit originated from ethylene, and having a -80 to -60°C glass transition temperature (Tg) obtained by a solid viscoelasticity measurement-loss tangent (tanδ), and (polymer (II)) 1 to 20 wt.% ethylene-α-olefin-based polymer having ≥900 and <940 kg/m<SP POS="POST">3</SP>density, and 0.01 to 50 g/10 min melt flow rate. <P>COPYRIGHT: (C)2013,JPO&INPIT |
