| 摘要 |
A container comprising a polyester composition with enhanced carbon dioxide and oxygen barrier properties is provided. The polyester composition comprises a polyester and a gas barrier enhancing additive. In a particular embodiment, the gas barrier enhancing additive comprises a compound having the chemical formula: X-(X1 )s-COO-(X2)t- X3-(X4)u-OOC-(X5)<s ub>v-X6 or X-(X1)s-OOC-(X2)t -X3-(X4)u-COO-(X5)< sub>v-X6. |
