Research Article

Biocompatible and Biodegradable Ultrafine Nanoparticles of Poly(Methyl Methacrylate-co-Methacrylic Acid) Prepared via Semicontinuous Heterophase Polymerization: Kinetics and Product Characterization

Figure 4

Evolution of surface tension () with global conversion (X) in the copolymerization of MMA/MAA (2/1, mol/mol).