| 摘要 |
A propylene-ethylene random copolymer having a following characteristics:… (a) a melting point of 115 DEG C to 140 DEG C;… (b) an ethylene content, determined by the C<1><3>-NMR method, of 6 to 20 mol%;… (c) a block index, calculated according to the C<1><3>-NMR method, of 1.1 or less;… (d) an MFI, determined at 230 DEG C under a load of 2.16 kg, of 0.5 to 100 g/10 min; and… (e) a ratio of the MLMFI, determined at 230 DEG C under a load of 10.0 kg, to the MFI, determined at 230 DEG C under a load of 2.16 kg, of 10 to 16. …<??>This random copolymer has a low melting point, and, when a film is molded therefrom, a film having an excellent transparency and moldability, and an excellent impact resistance, especially at a low temperature, and low-temperature heatsealability is obtained. |
