Here, the surface interaction of water molecules onto the surface of vinyl ester resin produced by the hydroxyl radicals from the MEPECO additive forms an additional layer of tightly bound water that functions as an energetic and physical barrier that effectively resists the biofouling process. Furthermore, understanding wettability through wetting energy and work adhesion Figure , wherein to study the ability of a liquid to maintain contact with a solid surface, VE_5% MEPECO registers higher needed wetting energy at 46.97 mN/m and the same with work of adhesion at 119.77 mN/m. Commonly, when the higher wetting energy occurs, the liquid spreads completely in order to lower its surface energy and increase its interfacial attraction . Consequently, a rise in the interfacial attraction , and SPR (c) against pure epoxy resin and neat vinyl ester resin. After acylation using maleic anhydride, the pulverized form of EPECO, now called MEPECO, optimized the percent addition to vinyl ester resin and further analyzed its HRR using PCFC, or microcalorimeter (d). Further evidence using contact angle shows that the vinyl ester improved its hydrophilicity, indicating its ability to trap hydroxyl radicals and enhance its flammability property. The chemical structure of epoxidized corn oil oxirane (f), epoxy resin (g), vinyl ester resin (h), cobalt naphthalate (accelerator) (i), and methyl ethyl ketone peroxide (hardener) (j) was included here.