Synthesis and Thermal Behavior of Poly(Methyl Acrylate) Attached to Silica by Surface-Initiated ATRP

Manikantan B. Nair, Missouri University of Science and Technology
Frank D. Blum, Missouri University of Science and Technology

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The modification of the surface of an object dictates the response of the object to an external environment.1 Surface-modified materials and nanoparticles have attracted immense interest due to the various desirable electronic, optical and magnetic properties they possess.2 Silica is widely used as an inorganic filler. Surface modification of the silica, with a variety of organic moieties, facilitates the utilization of silica in conjunction with organic systems. The resulting organic/inorganic hybrid materials have significant potential applications. This work reports the synthesis and characterization of modified silica, and poly(methyl acrylate) attached to the modified silica. An observation of the thermal behavior of poly(methyl acrylate) chains covalently attached to the silica-surface is reported.