| 摘要 |
<p>An oxygen scavenging composition is provided in the present disclosure comprising at least one polyester component which includes at least one residual component, in an amount ranging between 5 ppm and 200 ppm with respect to the total mass of the polyester component, at least one organic oxidizable polymeric component and at least one acidified activating agent selected from the group consisting of sulfonic acid (RSO3H) containing compounds, phosphonic acid containing compounds and anhydride containing compounds. The composition discloses in the present disclosure is particularly free of any additional catalyst and may be effectively used as a packaging material for oxygen sensitive substances.</p> |
