Cutin-alginate-cellulose composite for water and gas impermeable packaging
Innovative biobased packaging technology using a cutin-alginate-cellulose composite to reduce water and gas permeability, offering a sustainable alternative to single-use plastics.
Overview
The University of the West Indies introduces a cutting-edge packaging solution that leverages a composite of cutin, alginate, and cellulose, derived from valorized biomass. This innovative material significantly reduces water and gas permeability, providing enhanced protection for packaged goods. The composite utilizes biobased cutin, known for its natural waterproof properties, in conjunction with alginate and cellulose. This technology presents a sustainable alternative to single-use plastics, promoting environmental friendliness and biodegradability.
Technical specifications
The packaging is made from a composite of cutin, alginate, and cellulose extracted through an environmentally friendly, solvent-free process. The composite demonstrates superior waterproof and mechanical properties, making it ideal for various packaging applications. It has been successfully coated onto paper, offering a biodegradable solution with good optical properties. The technology is cost-effective and compatible with existing paper packaging systems, potentially replacing conventional plastic-based options. Further development aims to optimize the large-scale production of nanocrystalline cellulose and improve oxygen transmission rates.
Technology readiness level
Currently, this technology is at TRL 4, having been validated in a laboratory setting. Future efforts will focus on scaling production and testing compatibility with industrial equipment to meet regulatory standards and industry needs.
About University of the West Indies
UWI Mona is a large, comprehensive public research campus and the founding campus of the region’s multi-campus university. Based in Kingston, it serves Jamaica and the wider Caribbean through a substantial student and faculty community, regional partnerships, and ties to public and private-sector institutions. The Mona Office for Research and Innovation provides a central point for research development, grant administration, external partnerships, and industry engagement. Research support draws on competitive funding from the U.S. National Institutes of Health, National Science Foundation, Inter-American Development Bank, Wellcome Trust, and UK research funders. Technology-commercialization support assists with IP protection, licensing, startup formation, and industry partnerships.
delivered to your inbox.