| 摘要 |
Ethylene polymer composition having a fusion enthalpy ?H fus, measured by Differential Scanning Calorimetry with a heating rate of 20°C per minute, of 60 J/g or more, comprising, all per cent amounts being by weight: A) 25-55% of an ethylene polymer containing 10% or less, referred to the weight of A), of a fraction XS A soluble in xylene at 25°C; B) 45-75% of a copolymer of ethylene and propylene containing from 45% to 70%, of ethylene and 60% or more of a fraction XS B soluble in xylene at 25°C, both ethylene and XS B amounts being referred to the weight of B); wherein the amounts of A) and B) are referred to the total weight of A) + B). |
