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1 Polish Journal of Chemical Technology

1 2003

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New silica materials with biocidal active surface

Łukasiewicz A., Chmielewska D., Waliś L., Rowińska L.

Polish Journal of Chemical Technology

2003

Vol. 5, nr 4

20-22

As a result of investigations carried out in INCT on some applications of new fungicides containing QAC as a component, large group of new silica based materials based on this compound were obtained (SiO2-QAC). Preliminary biological tests showed strong biocidal activity of new SiO2-QAC materials on fungi and algae. It's possible to use them for numerous applications like: water reservoir or various surfaces desinfection, preventing objects from harmful biological agents by application of paints containing SiO2-QAC. Very economical materials based on water glass were obtained as well. Structure of these materials, especially origin of binding QAC with SiO2 as well as mechanism of biocidal activity of SiO2-QAC is under investigation. The materials also show high affinity to heavy metals and due to this fact can be applied as sorbents.