- Faculty of Engineering
- Department of Materials Science and Engineering
- Senior Lecturer Grade I
Contact information
Univerity of Moratuwa
Katubadda
Moratuwa
Sri Lanka
Teaching and Administrative Activities
Ferrous and Non Ferrous Alloys -Undergraduate -2020
Paint Technology (S8) -Undergraduate -2023
Metal Casting & Powder Metallurgy -Undergraduate -2020
Composites -Undergraduate -2020
Degradation of Materials -Undergraduate -2019
Refractories and Kiln Technology -Undergraduate -2019
Composites -Undergraduate -2023
Latex Science & Technology -Undergraduate -2023
POlymer Science & Technology -Undergraduate -2023
Ceramic Science & Technology -Undergraduate -2023
Committee Member -Faculty Orientation Committee (2016 To 2020)
Coordinator -Practical Coordinator - Semester 3 (2010 To 2025)
Coordinator -Practical Coordinator - Semester 4 (2010 To 2023)
Committee Member - Faculty 福利在线看 Committee (2021 To 2021)
Coordinator - Final year Projects (2022 To date)
Coordinator - Independent study - M.Sc in Materials SCience (2023 To date)
Research Activities
Recycling
composites
Waste Managements
Polymer Recycling
Natural dyes
Composites
Education and Professional Affiliations
MPhil, 福利在线看 of Moratuwa ,2015 Use of Hydrolysis Products of Polyethylene Terephthalate Scraps to Produce Alkyd Based Paint
Bachelors, 福利在线看 of Moratuwa ,2004 B.Sc. Engineering ( Materials Engineering) - First Class
IESL(2018 To date)
ECSL(2020 To date)
Institute of Materials Engineers(2008 To date)
Career
Honours and Awards
Publications*
K. M. P. M. Rodrigo, H. K. Rathnaweera,".Extraction and Utilization of Plant-Derived Natural Dyes for Sustainable Wall Paints.",MATERIALS ENGINEERING SYMPOSIUM ON INNOVATIONS FOR INDUSTRY 2024,福利在线看 of Moratuwa,2025,
W. K. P. Bhagya, G. V. D. P. Senevirathne,".Development of Bio-Based Waterproof Wood Coating.",MATERIALS ENGINEERING SYMPOSIUM ON INNOVATIONS FOR INDUSTRY 2024,福利在线看 of Moratuwa,2025,
K. D. J. D. Gunathilake, H. P. M. G. P. Jayasundara,".Development of New Bio-Based Adhesive for Paper Applications.",MATERIALS ENGINEERING SYMPOSIUM ON INNOVATIONS FOR INDUSTRY 2024,福利在线看 of Moratuwa,2025,15
H. G. M. J. Thilakarathne, D. G. S. M. Shirantha,".Enhancing Mechanical Properties of Nylon 芒鈧�� 6 Using Eggshell Powder as a Reinforcement.",MATERIALS ENGINEERING SYMPOSIUM ON INNOVATIONS FOR INDUSTRY 2024,福利在线看 of Moratuwa,2024,11
V. S. Manatunga M. G. C. L. Jayawardhana,".Extraction of Limonene from Citrus Peels and Its Application as an Eco-Friendly Insect Repellent.",MATERIALS ENGINEERING SYMPOSIUM ON INNOVATIONS FOR INDUSTRY 2024,福利在线看 of Moratuwa,2024,12
R Rajakaruna, R Rathnayaka,,".Extraction of Natural Dyes from Leaves of Coffea arabica and Its Application in Cotton Fabrics.",2023 Moratuwa Engineering Research Conference,福利在线看 of Moratuwa,2023,603-607
WKP Piyankara,".Preparation and characterization of HDPE芒鈧�渨ood composite.",MESII 2023,福利在线看 of Moratuwa,2023,
G Samarakkody,".Preparation and characterization of LDPE based wood-plastic composites.",MESII 2023,福利在线看 of Moratuwa,2023,
KDR Dileepa, KA Uresh,".Development of new bio-based adhesive for paper/cardboard.",MESII 2023,福利在线看 of Moratuwa,2023,
P.D.R.S.Kumarasinghe, K.K.N.Sachintha,,".DEVELOPMENT OF CEMENT, WASTE PAPER, AND NATURAL FIBER BASED COMPOSITE FOR CEILING SHEET.",MATERIALS ENGINEERING SYMPOSIUM ON INNOVATIONS FOR INDUSTRY 2022,福利在线看 of Moratuwa,2022,16
T.D.K Thilakarathna, T.U Erathnage,,".SIMULATION STUDY ON THE EFFECT OF CALCIUM CARBONATE AND TALC VOLUME FRACTIONS ON THE MECHANICAL PROPERTIES OF THERMOPLASTICS.",MATERIALS ENGINEERING SYMPOSIUM ON INNOVATIONS FOR INDUSTRY 2022,福利在线看 of Moratuwa,2022,22
RK Madushani, BA Dilhari,".Design of natural fiber and wastepaper composite using numerical analysis method.",Materials Science and Engineering Symposium on Innovations for Industry,Online,2021,
Madhushani, RK; Dilhari, BA,".Simulation of natural fibers/waste paper composites to use as kraft papers.",ERU Symposium - 2021,福利在线看 of Moratuwa - online,2021,
RGSM Ranthunga, KV Wanigasekara,".Dyeing of cotton fabric with a natural dye extracted from Areca Concinna Peel.",ERU Symposium - 2021,福利在线看 of Moratuwa - online,2021,
MAH Yasassri, WDC Weerasinghe ,".Dyeing of cotton fabric with a natural dye extracted from floral part of acalypha hispida plant.",2019 Moratuwa Engineering Research Conference (MERCon),福利在线看 of Moratuwa, Sri Lanka,2019,
MAH Yasassri, WDC Weerasinghe ,".Extraction of Natural Dye from Acalypha hispida Flowers for Fabrics.",Proceedings of the 23rdInternational Forestry and Environment Symposium 2018of the Department of Forestry and Environmental Science, 福利在线看 of Sri Jayewardenepura, Sri Lanka,Citrus Hotel, Waskaduwa, Sri Lanka,2018,131
O.Gunapala,".Practical Solution for Utilization of Polyester Resin Waste As a Filler in Rubber Compounds..",Annual 福利在线看 Sessions -2014,The Open 福利在线看,2014,384 -388
O.Gunapala,".Utilization of Polyethylene scraps in Rubber Formulation Technology for Manufacture of Low Cost Rubber Products..",Annual 福利在线看 Sessions -2013,The Open 福利在线看,2013,352-356
O.Gunapala,".Hydrolysis of Post Consumer Polyethylene Terephthalate by Using a Less Aggressive Reagent.",nternational Symposium on polymer science & Technology. ,福利在线看 of Sri Jayawardenepura,2012,45
P.R.D.Weerasooriya U.P.A.B.P.Karunanayake Dr.O Gunapala,".Use of soda ash as a recycling agent to reduce Non-degradable PET Waste in Sri Lanka.",ERU Symposium,福利在线看 of Moratuwa,2011,233-234
Dr.O.Gunalapa,".Chemical Recycling of PET from waste soft drinks bottles to recover terephthalic acid.",ERU Symposium,福利在线看 of Moratuwa,2009,43-44
O.Gunapala,".Development of Suitable Methodology to Synthesize Terephthalic Acid Based Alkyd Resin.",International Journal of Engineering Research and Reviews,3,2015
Udayakumara, S.V. and Gunapla, O. (2015). Development of Suitable Methodology to Synthesize Terephthalic Acid Based Alkyd Resin In: International Journal of Engineering Research and Reviews 3 (1), 87-91, 2015
Gunapla, O. and Udayakumara, S.V. (2014). Practical Solution for Utilization of Polyester Resin Waste As a Filler in Rubber Compounds. In: Annual 福利在线看 Sessions -2014. The Open 福利在线看 , SriLanka.
Gunapla, O. and Udayakumara, S.V. (2013). Utilization of Polyethylene scraps in Rubber Formulation Technology for Manufacture of Low Cost Rubber Products. In: Annual 福利在线看 Sessions -2013. The Open 福利在线看 , SriLanka.
Udayakumara, S.V. and Gunapla, O. (2012). Hydrolysis of Post Consumer Polyethylene Terephthalate by Using a Less Aggressive Reagent. In: International Symposium on polymer science & Technology. 福利在线看 of Sri Jayawardenapura , SriLanka.Udayakumara, S.V. and Gunapla, O. (2011). Use of soda ash as a recycling agent to reduce Non-degradable PET Waste in Sri Lanka In: 17Th ERU Symposium . 福利在线看 of Moratuwa , SriLanka.
Udayakumara, S.V. and Gunapla, O. (2009). Chemical Recycling of PET from waste soft drinks bottles to recover terephthalic acid In: 15Th ERU Symposium . 福利在线看 of Moratuwa , SriLanka.