| 摘要 |
<p>An injection stretch blow moulded container prepared essentially from polyethylene prepared in the presence of a chromium-based catalyst system, the polyethylene having a density of from 0.950 to 0.965 g/cm3, measured following the method of standard test ASTM 1505 at a temperature of 23° C., a melt index MI2 of from 0.5 to 5 g/10 min, measured following the method of standard test ASTM D 1238 at a temperature of 190° C. and under a load of 2.16 kg, and a high load melt index HLMI of from 40 to 150 g/10 min, measured following the method of standard test ASTM D 1238 at a temperature of 190° C. and under a load of 21.6 kg, the container weighing from 10 to 150 g per dm3 of volume, when the container has a volume of less than 300 cm3, the container weighing from 10 to 80 g per dm3 of volume, when the container has a volume of at least 300 cm3.</p> |
