
Lecturer (Unconfirmed)
Department of Materials Technology,
Faculty of Technology,
Rajarata University of Sri Lanka,
Mihintale, Sri Lanka.
imesha@tec.rjt.ac.lk

Education
- Master of Philosophy in Applied Chemistry – University of Kelaniya, Sri Lanka
- Bachelor of Science (Special Degree in Polymer Chemistry) – University of Sri Jayewardenepura, Sri Lanka

Research Interests
- Polymer Chemistry, Smart Polymers, Nanotechnology, Catalysis, Pyrolysis of Plastic waste, Hydrogels, Biodegradable polymers

Past Employment
- Lecturer (Unconfirmed) – Department of Materials Technology, Faculty of Technology, Rajarata University of Sri Lanka [ Feb 2026 – Present ]
- Research Assistsnt – Department of Physics and Electronics, Faculty of Science, University of Kelaniya, Sri Lanka [Jan 2025 – Jan 2026]
- Research Assistsnt – Department of Chemistry, Faculty of Science, University of Kelaniya, Sri Lanka [Jun 2020 – Sep 2023]
- Temporary Demonstrator – Department of Polymer Science and Technology, Faculty of Applied Sciences, University of Sri Jayewadenepura, Sri Lanka [Jan 2020 – May 2020

Publications
- Uthpalani, P. G. I., De Silva, D. S. M., Weerasinghe, V. P. A., Premachandra, J. K., (2026). Valorization of Waste LDPE into Liquid Oil via Catalytic Conversion Using Locally Sourced Rutile: Characterization and Systematic Analysis, International Journal of Environmental Research, 20, 52.
https://doi.org/10.1007/s41742-025-01002-3 - Uthpalani, P. G. I., Premachandra, J. K., De Silva, D. S. M., Weerasinghe, V. P. A. (2023). Pyrolysis as a value added method for plastic waste management: A review on converting LDPE and HDPE waste into fuel, Ceylon Journals of Science, 52(3), 277-296.
https://doi.org/10.4038/cjs.v52i3.8026 - Uthpalani, P. G. I., De Silva, D. S. M., Weerasinghe, V. P. A., Premachandra, J. K., Sarathchandra, T. V (2023). Pyrolysis of waste LDPE and waste PP plastics into fuel oil in a low- cost, lab-scale pyrolyzing unit, Journal of Science University of Kelaniya, 16(1), 47-55.
https://doi.org/10.4038/josuk.v16i1.8079 - Uthpalani, P. G. I., Weerasinghe, V. P. A., De Silva, D. S. M., Premachandra, J. K. (2024). Conceptual Model for plastics Waste Management in Developing Countries – A Review, International Journal of Environmental Issues, 2(1), 11 – 33.
- Uthpalani, P. G. I., De Silva, D. S. M., Weerasinghe, V. P. A., Premachandra, J. K., Study the effectiveness of catalytic pyrolysis of LDPE waste plastics using ZSM – 5, International Conference on Plastics and Environmental Sustainability (ICPES-2024), Open University of Sri Lanka, pp 90.
- Uthpalani, P. G. I., De Silva, D. S. M., Weerasinghe, V. P. A., Premachandra, J. K., Pyrolysis of waste polypropylene to fuel oil. Tri Annual Publication of the Institute of Chemistry Ceylon – June 2022, 39(1), pp 45.
- Uthpalani, P. G. I., De Silva, D. S. M., Weerasinghe, V. P. A., Premachandra, J. K., Pyrolysis of plastic waste into liquid fuel. International Conference on Applied and Pure Sciences (ICAPS- 2023), Faculty of Science, University of Kelaniya, pp 126.
- Uthpalani, P. G. I., Mudiyanselage, T. K., Synthesis of Carboxymethyl Cellulose and Acrylic Acid hydrogel with ZnO nanoparticles. International Conference on Multidisciplinary Approaches (iCMA 2020), Faculty of Applied Sciences, University of Sri Jayewardenepura, pp 131.

