Renewable lignin-based adhesives and coatings
University of Alberta researchers have developed a rapid, efficient lignin conversion process producing oligomers for coatings and biopolymers for high-strength adhesives. These renewable materials can be tuned for compostability or biodegradability, offering sustainable alternatives for industrial applications.
Overview
This solution offers renewable adhesives and coatings derived from lignin, a major byproduct of the pulp, paper, and bioethanol industries. The research team has developed a rapid and highly efficient conversion process that transforms lignin into oligomers and monomers suitable for producing high-strength adhesives and functional coatings. A key advantage of these lignin-based materials is that their properties can be tuned to be compostable or biodegradable, addressing growing demand for sustainable alternatives to petroleum-derived adhesives and coatings across multiple industries.
Technical specifications
- Rapid lignin conversion process that efficiently transforms lignin into oligomers and monomers
- Oligomer-based coatings produced directly from converted lignin for surface protection applications
- Biopolymers synthesized from lignin monomers with controlled molecular properties enabling high-strength adhesive performance
- Tunable end-of-life characteristics allowing materials to be engineered for compostability or biodegradability depending on application requirements
- Renewable feedstock utilizing lignin, an abundant and underused byproduct from existing bio-refining operations
Technology readiness level
The technology is currently at an early-to-mid stage of development. Initial trials have been completed, and conversion conditions for transforming lignin into oligomers and monomers have been optimized. The team is actively working on polymer synthesis. Future validation efforts will focus on testing the oligomers and biopolymers as functional adhesives, evaluating coating performance, and confirming biodegradability and compostability of the resulting materials. The research group is open to collaboration with industry partners interested in advancing these renewable materials toward commercial application.
About University of Alberta
The University of Alberta is a large, comprehensive public research university in Edmonton with multiple campuses and a strong applied research culture. Industry engages through co-located labs and pilot-scale facilities, as well as established co-op and internship programs that place talent with partners year-round. Integration with Alberta’s province-wide hospital system supports clinical research and accelerates translation. Companies also benefit from proximity to regional industry clusters and collaboration hubs on and near campus for joint R&D and prototyping. Supported by NSERC, CIHR, SSHRC, and Canada Foundation for Innovation funding—plus provincial and industry support—the tech transfer office manages IP, licensing, and startup formation with streamlined sponsored-research agreements.
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