Effect of Surface Modification of Ag with Benzoic Acid on Electric Conductivity and the Mechanical Properties of the Paint Films
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概要
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In this paper, we investigated the effective surface modification of Ag powders to improve the physical properties of the electric conductive paints. By adsorption of benzoic acid on Ag surface, we prepared modified Ag powders having various surface coverage ratio (SCR), and made the conductive paints by dispersing these powders in acrylic resin solution. Electric conductivity and the dynamic modulus in the rubbery region of the paint films had maxima at about SCR=50%. These results support our modification design, that is, the unmodified surface of Ag plays the role to connect the powders, and the modified surface acts to improve the interaction betwen the binder and the powders.
- Japan Society of Colour Materialの論文