| 摘要 |
<p>A multi-layer preform (10) for forming a multi-layer container includes an extruded inner barrier layer containing polyethylene naphthalate, said inner layer having an upper portion (12) adapted to be formed into an upper portion of a container, an intermediate portion (14) adapted to be formed into an intermediate portion of a container, and a base portion (18) adapted to form a base portion of a container. The preform includes an outer injection molded layer. The inner layer has a thickness which differs from the base portion to the upper portion.</p> |
