Glass composite materials containing alkoxosilane derivative having alterable charge, hydrophobic and hydrophilic groups

   
   

A porous glass composite material is prepared comprising a gel containing water and a polymeric network containing at least one alkoxosilane derivative having a group of alterable charge, a hydrophobic group and a hydrophilic group. The alkoxosilane derivative is preferably a derivative of an alkoxosilane having the general formula (OR.sup.1).sub.3 Si-spacer-Si(OR.sup.2).sub.3, wherein R.sup.1 and R.sup.2 are the same or different and may be hydrogen; substituted and unsubstituted, branched and unbranched C.sub.1-20 -alkyls; substituted and unsubstituted, branched and unbranched C.sub.1-20 -alkenyls; substituted and unsubstituted, branched and unbranched C.sub.1-20 -alkynyls; substituted, unsubstituted, and multiple ring aryl groups; or combinations thereof; and water. Devices including the glass composite include chromatographic and other separation media, drug delivery vehicles, and electric and mechanical actuators.

 
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