Nonwoven fabrics modified with deposited nanolayers

A layer-by-layer technique was used for deposition of nanolayers of polyelectrolytes onto nonwoven textiles. Polypropylene (PP) and poly(ethylene terephthalate) (PET) nonwoven fabrics grafted by acrylic acid were used as starting materials for deposition of polymer complex layers. It was found that a layer-by-layer technique makes possible to produce the materials with diversified properties. Depending on the layer structure, the hydrophilic properties, electrokinetic potential and absorption of dyes were changed. Remission of methylene blue were measured for samples with different types of deposited layers. It was found that deposited layers are separated. It was found that electrokinetic potential is dependent on the chemical structure of the external layer. Moreover, nanoparticles of gold were deposited onto such layers. It was found that particles of gold are distributed without aggregation. Properties of the obtained materials were tested.