| 摘要 |
PURPOSE:To obtain an oriented PP film excellent in transparency, lubricity and antiblocking property, by forming an oriented PP film from a PP resin containing fine inorganic particles surface-treated with a specified hydrocarbon resin added thereto. CONSTITUTION:A single-layer oriented film of a polypropylene resin or a laminated oriented film at least either of whose surfaces is made of polypropylene resin layer is constructed in the following way. Namely, fine inorganic particles surface-treated with at least 2wt.%, based on said inorganic fine particles, hydrocarbon resin selected from among a terpene resin, a petroleum resin and rosin are contained in the polypropylene resin layer in such an amount that 0.02-1pt.wt. fine inorganic particles are present per 100pts.wt. resin component in the polypropylene resin layer. |
