Featured Publications

2006, 2023

Hazardous state lifetimes of biodegradable plastics in natural environments

June 20, 2023|

Colwell, J., Pratt, S., Lant, P., & Laycock, B. (2023). Hazardous state lifetimes of biodegradable plastics in natural environments. Science of The Total Environment, 165025. Highlights Plastic bio/degradation can be represented as a transition between different states. Each state



Hülsen, T., Venturato, D., Chan, C., Vandi, L., Laycock, B., Pratt, S., Stegman, S.van Loosdrecht, M. & Batstone, D. J. (2024). Polyhydroxyalkanoate production in a biofilm by mixed culture phototrophic bacteria. Journal of Cleaner Production434, 140001.

Konarova, M., Batalha, N., Fraga, G., Ahmed, M. H., Pratt, S., & Laycock, B. (2024). Integrating PET chemical recycling with pyrolysis of mixed plastic waste via pressureless alkaline depolymerization in a hydrocarbon solvent. Waste Management174, 24-30.

Mai, J., Kockler, K., Parisi, E., Chan, C. M., Pratt, S., & Laycock, B. (2024). Synthesis and physical properties of polyhydroxyalkanoate (PHA)-based block copolymers: A review. International Journal of Biological Macromolecules, 130204.

Phelan, A. (15 February 2024). Soft plastic recycling is back after the REDcycle collapse – but only in 12 supermarkets. Will it work this time? The Conversation.


Camenzuli, L., Syme, R., Downie, R., McKinley, B., Chan, J., Lant, P., Laycock, B., Pratt, S., & Chan, C. (July 2023) Biodegradability of plastics: Discussion paper. A joint collaboration between Corrs Chambers Westgarth and The University of Queensland. Brisbane, Australia: The University of Queensland.

Colwell, J., Pratt, S., Lant, P. & Laycock, B. (2023). Hazardous state lifetimes of biodegradable plastics in natural environments. Science of the Total Environment, 894 165025, 165025.

Laycock, B., Pratt, S. & Halley, P. (2023). A perspective on biodegradable polymer biocomposites – from processing to degradation. Functional Composite Mater 4, 10.

Mai, J., Chan, C. M., Laycock, B., & Pratt, S. (2023). Understanding the Reaction of Hydroxy-Terminated Poly (3-hydroxybutyrate-co-3-hydroxyvalerate)(PHBV) Random Copolymers with a Monoisocyanate. Macromolecules, 56(6), 2328-2338.

Mai, J., Garvey, C. J., Chan, C. M., Pratt, S., & Laycock, B. (2023). Synthesis and characterisation of poly (3-hydroxybutyrate-co-3-hydroxyvalerate)(PHBV) multi-block copolymers comprising blocks of differing 3-hydroxyvalerate contents. Chemical Engineering Journal475, 146175.

Mai, J., Pratt, S., Laycock, B., & Chan, C. M. (2023). Synthesis and Characterisation of Poly (3-hydroxybutyrate-co-3-hydroxyvalerate)-b-poly (3-hydroxybutyrate-co-3-hydroxyvalerate) Multi-Block Copolymers Produced Using Diisocyanate Chemistry. Polymers15(15), 3257.

Pratt, S. (June 2023) Advancing our transition to a greener plastics future. Chemistry in Australia.

Oluwoye, I., Machuca, L. L., Higgins, S., Suh, S., Galloway, T. S., Halley, P., Tanaka, S. & Iannuzzi, M. (2023). Degradation and lifetime prediction of plastics in subsea and offshore infrastructures. Science of The Total Environment, 166719.


Chan, C. M., Lyons, R., Dennis, P. G., Lant, P., Pratt, S., & Laycock, B. (2022). Eff­ect of toxic phthalate-based plasticizer on the biodegradability of polyhydroxyalkanoate. Environmental Science & Technology.

Laycock, B., Lant, P., & Pratt, S. (6 April 2022). Do you toss biodegradable plastic in the compost bin? Here’s why it might not break down. The Conversation.

Mai, J., Chan, C. M., Colwell, J., Pratt, S., & Laycock, B. (2022). Characterisation of end groups of hydroxy-functionalised scl-PHAs prepared by transesterification using ethylene glycol. Polymer Degradation and Stability, 205, 110123, 1-14.

Nair, N., Pratt, S., Lant, P., & Laycock, B. (31 March 2022). Bioplastics Promise. The Chemical Engineer.

Phelan, A. (17 November 2022). REDcycle’s collapse is more proof that plastic recycling is a broken system. The Conversation.

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