| 摘要 |
<p>Polyolefin compositions comprising (percent by weight) A) 60%-95% of a crystalline polypropylene component having a Melt Flow Rate (MFRA) value of from 2.5 to 50 g/10 min. and containing from 20% to 80% of a fraction AI) having MFRI from 0.5 to 8 g/10 min., and from 20% to 80% of a fraction AII); B) 5%-40% of a copolymer of ethylene with one or more C¿4?-C10 α-olefin(s) containing from 10 to 40% of said C4-C10 α-olefin(s); the ratio MFR?A/MFRI¿ being from 2 to 25; the percentages of A) and B) being referred to the sum of A) and B), and the percentages of A?I) and AII¿) being referred to the sum of A?I) and AII¿).</p> |
