Preparation of Electrically Conductive Adhesives Modified with AgNO3
Typ dokumentupříspěvek z konference - elektronický
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The goal of the work has been to find if addition of Ag+ ions into electrically conductive adhesive can improve its electrical conductivity. Ag+ ions can aggregate and form additional conductive bridges between filler particles and decrease electrical resistivity of adhesive this way. Ag+ ions have been formed by dissociation of AgNO3. Adhesives formed of bisphenol epoxy resin and silver flakes (one component and two components types) have been used for experiments. Two ways have been used for modification of adhesives with AgNO3: nitrate has been added in adhesive and dissociated during curing and annealing of adhesive, or nitrate has been dissociated in ethanol at first and this solution has been mixed up into adhesive. It has been found an improvement of electrical conductivity of two components adhesive after this modification.
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