摘要 |
Systems and methods for controlling oxygen ingress in cap closures are herein disclosed. According to one embodiment, the current apparatus includes a cap and a cap liner. The cap liner includes a primary oxygen barrier layer and a first diffusive layer. A first side of the first diffusive layer is adjacent to a first side of the primary oxygen barrier layer. A second &de of the first diffusive layer contacts a lip-sealing surface of a bottle. The oxygen transmission rate of the cap liner is controlled by varying a thickness of the first diffusive layer. |