METHOD OF MAKING SILVER-CONTAINING DISPERSIONS WITH NITROGENOUS BASES

A method is used to prepare silver nanoparticle cellulosic polymer composites. A cellulosic polymer, reducible silver ions in an amount of a weight ratio to the cellulosic polymer of 5: 1 to 50: 1, and an organic solvent are mixed. Each organic solvent has a boiling point at atmospheric pressure of...

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Hauptverfasser:	DONOVAN, Kevin, M, SHUKLA, Deepak
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CASTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS POWDER METALLURGY PRINTED CIRCUITS TRANSPORTING WORKING METALLIC POWDER
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creator	DONOVAN, Kevin, M SHUKLA, Deepak
description	A method is used to prepare silver nanoparticle cellulosic polymer composites. A cellulosic polymer, reducible silver ions in an amount of a weight ratio to the cellulosic polymer of 5: 1 to 50: 1, and an organic solvent are mixed. Each organic solvent has a boiling point at atmospheric pressure of 100°C to 500°C. The Hansen parameter (δτPolymer) of the cellulosic polymer is less than or equal to the Hansen parameter (δτSolvent) of the organic solvent. The resulting premix solution is heated to at least 75°C, and a (d) nitrogenous base is added to provide a concentration of the nitrogenous base in an equimolar amount or in molar excess in relation to the amount of reducible silver ions, thereby forming a silver nanoparticle cellulosic polymer composite. After cooling, the silver nanoparticle cellulosic polymer composite is isolated and re-dispersed in an organic solvent to provide a non-aqueous silver-containing dispersion.
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subjects	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CASTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PERFORMING OPERATIONS POWDER METALLURGY PRINTED CIRCUITS TRANSPORTING WORKING METALLIC POWDER
title	METHOD OF MAKING SILVER-CONTAINING DISPERSIONS WITH NITROGENOUS BASES
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