Oxygen scavenging high oxygen barrier polyamide compositions for packaging applications

摘要

Oxygen barrier polyamide compositions exhibiting high oxygen scavenging capability suitable for extended shelf-life and packaging applications are disclosed, wherein the polyamide composition comprises a polyamide homopolymer, copolymer, or blends thereof, and at least one epoxy or anhydride functionalised polyamide reactive oxidizable polydiene or epoxy or anhydride functionalised polyamide reactive oxidizable polyether. The polyamide products are particularly suited to making barrier packaging articles such as monolayer or multi-layer films, sheets, thermoformed containers and coinjection/coextrusion blow molded bottles comprising PET, polyolefin or polycarbonate as structural layers. Such articles are useful in a variety of oxygen-sensitive food, beverage, pharmaceutical and health care product packaging applications.