| 摘要 |
Oxygen barrier compositions are described comprising
70 - 95 wt% of a polyolefin, and incorporated in said polyolefm -
0.1 - 10 wt% of a clay having an aspect ratio of at least 10, preferably at least 20, more preferably at least 50, or a nucleating agent, or a polyamide optionally containing such a clay or nucleating agent;
0.1 - 10 wt% of an ethylene-vinyl alcohol polymer;
0.1 - 5 wt% of a compatibiliser;
and 0.1 - 5 wt% of an oxygen scavenger. |
