Solvent-Free Synthesis of P(MMA-AA) Copolymers and Their Application as Sustainable Primers for Concrete Substrates
Nurlybayeva A. Urkimbayeva Z. Rakhmetullayeva R. Taubayeva R. Sarova N. Seitkan A. Seitbekova G. Bulekbayeva K. Kussainova B. Shinibekova A. Ergali R.
November 2025Multidisciplinary Digital Publishing Institute (MDPI)
Polymers
2025#17Issue 22
This study reports the solvent-free synthesis, structural characterization, and performance evaluation of poly (methyl methacrylate-co-acrylic acid) [P(MMA-AA)] copolymers intended for use as sustainable concrete primers and industrial coatings. A series of copolymers with varying MMA-AA molar ratios were synthesized via bulk radical polymerization and characterized using 1H and 13C nuclear magnetic resonance (NMR) spectroscopy, thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). The resulting materials were evaluated for their physical mechanical properties, including viscosity, tensile strength, surface hardness, and wettability. The findings revealed that higher MMA content improved the thermal stability, tensile strength, and hardness of the coatings, whereas increasing the AA content enhanced crosslinking density, hydrophilicity, and chemical resistance. These results demonstrate the potential of solvent-free P(MMA-AA) copolymers as environmentally friendly, high-performance alternatives to conventional solvent-based systems in protective coating applications.
acrylic acid , copolymerization , crosslinking density , mechanical properties , methyl methacrylate , solvent-free coatings , thermal stability , wettability
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Taraz University Named After M. Dulaty, Taraz, 080000, Kazakhstan
Al-Farabi Kazakh National University, Almaty, 050010, Kazakhstan
Kazakh National Medical University Named After S.D., Asfendiyarov, Almaty, 050010, Kazakhstan
Higher School of Natural Sciences, Astana International University, Astana, 010000, Kazakhstan
M. Utemisov West Kazakhstan University, Uralsk, 090010, Kazakhstan
Department of Architecture and Construction Production, Kazakh National University of Water Management and Irrigation, Taraz, 080000, Kazakhstan
Taraz University Named After M. Dulaty
Al-Farabi Kazakh National University
Kazakh National Medical University Named After S.D.
Higher School of Natural Sciences
M. Utemisov West Kazakhstan University
Department of Architecture and Construction Production
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