The Institute of Textile Materials Engineering (IIMW) in co-operation with the
Institute of Material Science and Technical Mechanics (IMMT) of the Technical
University of Wrocław undertook studies aimed at the development of technology
for the preparation of appropriate nanoparticles with antibacterial properties
and conditions for their use in the production of textile-polymeric coat
materials with stable bacteriostatic properties (PBZ-KBN-095/T08/2003).
Appropriate antibacterial materials have been developed with the use of
the "sol-gel" technique by the group of IMMT. Their carriers consist of
submicro-globules, mainly SiO₂ and TiO₂. On their surface was permanently
deposited an antibacterial agent in the form of "nano-islets" of metallic
silver, Ag^o, to impart the required bio-activity to the final products. It was
of paramount importance to make these materials capable of dispersing, required
by the technological processes of coating, ensuring also a good stability of
the obtained dispersions in coating pastes as well as in the cross-linked
polymeric matrices-membranes.

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