Abstract
Polyurethane acrylate copolymers were synthesized by emulsion polymerization process. To reduce the environmental hazards, organic solvents were replaced by eco-friendly aqueous system. Concentration of polyurethane and acrylate monomer was varied to investigate the effect of chemical composition on performance properties of copolymers. FTIR spectroscopy was used as a key tool to record the chemical synthesis route. The synthesized copolymer emulsions were characterized by evaluating their particle size, viscosity, dry weight content, chemical and water resistance. Thermal decomposition was studied by thermogravimetric analysis. Scanning electron microscope was used to visualize the morphological structure of copolymers. The experimental results indicate better polyurethane acrylate compatibility till the ratio of 30/70. However, these copolymers exhibited synergistic effects between the two polymers and revealed a remarkable improvement in numerous coating properties.
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Sultan, M., Bhatti, H.N., Zuber, M. et al. Synthesis and characterization of waterborne polyurethane acrylate copolymers. Korean J. Chem. Eng. 30, 488–493 (2013). https://doi.org/10.1007/s11814-012-0148-3
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DOI: https://doi.org/10.1007/s11814-012-0148-3