| abstract |
The present invention relates to a porous antimicrobial piece based on a polymeric material grafted onto the surface and in mass of ammonium units with antimicrobial and / or bactericidal and / or fungicidal activity, preferably benzalkonium, characterized in that it has a porosity on the one hand sufficiently high to allow the passage, through its structure, a compatible liquid viscosity and secondly low enough to ensure the trapping within this structure, contaminating germs. |