to contain at least one of the following functional groups anhydrides carboxylic acids amides imides amines alcohols phenols aldehydes ketones nitro compounds nitriles carbamates isocyanates amino acids peptides thiols sulfonamides semicarbazones oximes hydrazones cyanohydrins ureas phosphoric esters acids thiophosphoric esters acids phosphonic esters acids phosphites phosphonamides sulfonic esters acids or other functional groups known to those of skill in the art to act as reactive sites for polymerization may be used a combination of these and other resins such as non cross linkable thermoplastic resins may also be used as the fluxing polymeric resin component metallic nanoparticles contemplated for use in the present disclosure can include the alkali metals li na k rb cs fr the alkali earth metals be mg ca sr ba and ra the transition metals sc ti v cr mn fe co ni cu zn y zr nb mo tc ru rh pd ag qd la hf ta w re os ir pt and au metals of the lanthanide series of metals metals of the actinide series of metals and post transition metals that include al ga in si ge pb sb te and bi or any combination thereof metallic nanoparticles may further comprise silver oxide copper oxide gold oxide zinc oxide.