Organic-inorganic hybrid materials are very interesting for several applications thanks to their properties based on the synergistic combination of different components. The paper presents research concerning a new class of nanomaterials for wood finishing. Designed to exhibit bio-protective and aesthetic characteristics, these new nanomaterials, consisting of a hybrid of organic and inorganic nanomaterials, are based on composites of functionalized acrylic copolymers, in water dispersion, with TiO₂ nanoparticles, enabling a superior combination of properties that cannot be achieved by using any single material.

The presence of acrylic copolymers in water emulsion, bearing suitable reactive functional groups, leads to the formation of a crosslinked network composed of inorganic and organic domains on nanometric scale. AFM analysis was employed to evaluate the particle dispersion - critical parameter to enable the most interaction with the polymer matrix and achieve the desired properties of the material. The interphase characterization of the nanostructured materials synthesised was performed using FT-IR.

The obtained nanostructured coating materials based on acrylic copolymers and TiO₂ nanoparticles showed improved properties for wood coating systems and biocide activity.

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