Composite materials for sensing applications and chemical sensor comprising said materials
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United States of America Patent
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Issued Date -
Jul 7, 2005
app pub date -
Sep 20, 2004
filing date -
Mar 19, 2002
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Abstract
A chemical sensor for detecting an analyte in a fluid, useful for the production of an apparatus for the analysis of odours (an electronic nose), comprises a film of composite material formed by a matrix of a non-conductive polymer constituted by a polyamidoamine and a conductive filler, e.g. carbon black. In preferred embodiments, the polyamidoamine is formed as the adduct of bisacrylamidoacetic (BAC) and N, N'-dimethylethylenediamide (DMEDA) else N, N'-ethlenediaminoaceticacid (EDDA), and can include copper or cobalt ions as complexes.
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