AQUEOUS SILVER COLLOIDAL LIQUID AND MANUFACTURING METHOD THEREFOR AND INK USING AQUEOUS SILVER COLLOIDAL LIQUID

摘要

PROBLEM TO BE SOLVED: To provide an aqueous silver colloidal liquid having high dispersibility and high storage stability and further exhibiting low temperature sinterability.;SOLUTION: There is provided an aqueous silver colloidal liquid consisting of silver fine particles having an organic product having at least polyvinyl pyrrolidone and polyvinyl alcohol attached to a surface and an average particle diameter (D50) of 15 to 45 nm, suitably substantially spherical form and a maximum particle diameter (Dmax) of 80 nm or less and water as a solvent containing inevitable impurities, in which an addition amount of the organic product is 0.03 to 5 mass% based on the silver particles and the total amount of the inevitable impurities is 1 mass% or less based on the aqueous silver colloidal liquid.;COPYRIGHT: (C)2015,JPO&INPIT