Document Type
Article
Publication Date
4-17-2024
Abstract
Alkyd resins were made from jatropha oil using a two-step method that included alcoholysis and polyesterification reactions, using 100% Phthalic Anhydride. To enhance their performance properties, the resins were mixed with different wt % of epoxidized jatropha oil (EJO) and aqueous citric acid, without the need for additional catalysts or solvents. Blending was facilitated via epoxidation of the alkyd resins. The prepared blends were characterized by Fourier transform infrared and NMR (1 H and 13C) spectroscopy studies. It was noted that blending led to significant improvements in properties such as curing time, chemical resistance, scratch hardness, thermal stability, and tensile strength of the alkyd resins. In particular, there was a noticeable increase in tensile strength by 3.18 MPa and thermal stability by 42°C when the blends contained 50% EJO. The results indicate the strong influence of the amount of EJO and citric acid on the performance of the alkyd resins. Additionally, the thermal and mechanical properties of the cured films could be further enhanced through post-curing at 160°C. Overall, the results of this study suggest suitability of these blends in surface coating applications.
Recommended Citation
Patel, Dharmikkumar, "Blends of Epoxidized Alkyd Resins Based on Jatropha Oil and the Epoxidized Oil Cured with Aqueous Citric Acid Solution: A Green Technology Approach" (2024). Posters. 28.
https://digitalcommons.pittstate.edu/posters_2024/28
