Monolayer PET thermoplastics with incorporated oxygen scavengers
Johns Hopkins University researchers are developing PET-based monolayer thermoplastic compositions with directly incorporated oxygen scavengers. This technology aims to replace complicated multilayer packaging with a simpler, highly effective, and recyclable monolayer alternative, offering significant benefits for food and beverage shelf-life extension. It is currently available for academic licensing or sponsored-research partnerships.
Overview
Johns Hopkins University is developing PET-based monolayer thermoplastic compositions that integrate oxygen scavengers directly into the polymer matrix. This innovative approach addresses the limitations of conventional active packaging, which typically relies on complex, multilayer structures to achieve necessary barrier properties. By enabling a monolayer design, this technology simplifies manufacturing processes while maintaining the high performance required for sensitive products. The research offers a promising pathway for creating sustainable, high-barrier packaging that simplifies the recycling stream by avoiding the need for delamination.
Technical specifications
- Direct incorporation of oxygen-scavenging moieties into the PET polymer backbone.
- Designed to maintain PET’s essential physical properties, including clarity, rigidity, and processability.
- Aims to significantly reduce oxygen transmission rates compared to standard PET, enhancing the shelf life of oxygen-sensitive goods.
- Focuses on composition stability, food-contact safety compliance, and full compatibility with existing PET recycling infrastructure.
- Potential for transition into closure-grade compounds and optimized scavenger activation processes.
Technology readiness level
The technology is currently at an academic research and proof-of-concept stage. It requires further development to transition from lab-scale formulations to industrial-scale manufacturing, including optimizing processing conditions, validating long-term barrier performance, and ensuring regulatory food-contact compliance. It is positioned as a lead for sponsored research or academic licensing rather than a finished commercial product. Based on the provided information, it is categorized at TRL 3.
About Johns Hopkins University
Johns Hopkins University is a comprehensive private research university headquartered in Baltimore with a large research enterprise and a culture of discovery and translation. Integrated with a major academic health system, the university offers access to clinicians, patient populations, biorepositories, and audited trial operations. A research park near the medical campus, plus startup incubators and corporate engagement teams, enable co-location, pilots, and fast iteration. A major university‑affiliated research center expands applied R&D and prototyping capacity, and proximity to Washington, DC links partners to federal agencies and regulators. Research is supported by federal funding from NIH, NSF, DoD, and others, and a dedicated technology transfer office manages IP, licensing, and startup formation.
delivered to your inbox.