Abstract
Plasticizing and Hydrophobizing Effect of Plant OilBased Acrylic Monomers in Latex Copolymers with Styrene and Methyl Methacrylate
Highlights
Commodity plasticizers are low molecular nonvolatile compounds that are widely used as additives in polymer production [1]
Latex nanoparticles from acrylic monomers were prepared by miniemulsion copolymerization with St and MMA
Decreasing glass transition temperature of latex copolymers indicated that the presence of plant oil-based fragments impacts the thermomechanical properties of resulting copolymers by providing strong plasticizing effects
Summary
Abstract – Latex nanoparticles from acrylic monomers (made from olive and soybean oil which are significantly different in terms of fatty acid unsaturation amount) were synthesized using miniemulsion copolymerization with styrene and methyl methacrylate. Presence of plant oil-based fragments impacts thermomechanical properties of latex films by decreasing glass transition temperature and creating a plasticizing effect. The thermomechanical properties of resulting latex nanoparticles depend considerably on the amount of incorporated oil-derived fragments. As a result, biobased ingredients make latex copolymers more flexible, improve material film forming properties, and provide flexibility and toughness when compared to the normally rigid polystyrene and poly(methyl methacrylate). Plant oil-based fragments enhance hydrophobicity of the crosslinked latex films and can be considered as additives to reduce water sensitivity of the polymer network
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