| 摘要 |
Polyolefin compsn. is characterised by (A) a melt flow speed of 5-55 dg/min. at 230 deg.C., (B) contg. (i) 75-95 wt.% heat-degraded crystalline propylene polymer having a melt flow speed of 5-55 dg/mm at 230 deg.C., and (ii) 5-25 wt.% polyethylene of density 0.916-0.925, melt index of 0.5-4.5 at 190 deg.C. and melt index recovery greater than 40, and |
