Macromolecular Compounds and Nanocomposites: Synthesis, Characterizations and Applications

Dear Colleagues,

Nanocomposites represent a new class of composites, characterized by the coexistence of two distinct phases, one continuous (organic polymer) and an inorganic or carbon-based dispersed phase with a nanometric size range (1-100 nm) (1 nm= 10^-9m). A nanometer is about 4 times the diameter of an atom. In the case of nanocomposites, the size of the reinforcing agent is in the nanometric range, which makes the interfacial area relative to the volume to be extremely large. Since the distance between the polymer and the filler (powder or granular filler material) is extremely small, and the macromolecular cluster has a diameter in the range of the particle size range resulting in a strong interaction between the polymer and the filler, that will be reflected on the special properties of the polymer nanocomposites. In contrast with composites which present a concentration of reinforcing agent up to 40%, in the case of nanocomposites the concentration usually does not exceed 5%. The advantages of these structures consist in global properties superior to the individual components (optical clarity, mechanical resistance, rigidity, impermeability, temperature resistance, etc.) presenting important uses in electronics, optics, constructions, etc.

Dr. Edina Rusen
Dr. Aurel Diacon
Guest Editors

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