PROCESS FOR PRODUCING COATED SILVER FINE PARTICLES AND COATED SILVER FINE PARTICLES PRODUCED BY SAID PRODUCTION PROCESS
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United States of America Patent
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Aug 20, 2015
app pub date -
Aug 2, 2013
filing date -
Aug 2, 2012
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Abstract
The invention provides a novel and non conventional process for producing coated silver fine particles by the so-called amine complex decomposition process, and also provides coated silver fine particles produced by the process. The process includes a first step of forming a complex compound including a silver compound and an alkylamine by mixing (1) a silver compound capable of generating metal silver by thermal decomposition, (2) an alkylamine, and (3) at least one alcoholic compound having a solubility in water and/or a compound having at least one of a carbon-heteroatom multiple bond and a heteroatom-heteroatom multiple bond in the molecule, and a second step of generating silver fine particles coated with a protecting layer including the alkylamine by thermal decomposition of the complex compound.
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