| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a surface-protecting film with well balanced transparency and blocking resistance, and also having excellent impact strength. <P>SOLUTION: In the surface protecting film formed by providing a self-adhesive layer on one surface of a base material layer, the base material layer comprises a propylene-ethylene block copolymer (A) having 1-30 g/10min melt flow rate, 145-170°C melting point, 90-60 wt.% part (D<SB>insol</SB>) fulfilling a specific requirement and insoluble in n-decane at room temperature and 1-40 wt.% part (D<SB>sol</SB>) fulfilling a specific requirement and soluble in n-decane at room temperature. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
