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Method for producing silver nanoparticles having a broad particle size distribution and silver nanoparticles
Method for producing silver nanoparticles having a broad particle size distribution and silver nanoparticles
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机译：具有宽粒度分布的银纳米颗粒的生产方法和银纳米颗粒
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摘要
PROBLEM TO BE SOLVED: To provide a method for obtaining silver nanoparticles having good physical properties by a method in which an emission amount of an amine having a strong irritating odor is suppressed. SOLUTION: A thermally decomposable silver compound (a) is reacted with an amine compound (b) capable of forming a complex with (a) in an organic solvent to form a complex, and the obtained complex is heated. A method for producing silver nanoparticles, which comprises thermally decomposing silver nanoparticles by thermal decomposition, wherein 5 to 20 parts by weight of water is present per 100 parts by weight of the silver compound (a) at the time of complex formation, and A method for producing silver nanoparticles, which comprises reacting an amine compound and a silver atom in a silver compound in a molar ratio of 0.7 to 2.0. Regarding the viscosity behavior of a silver nanoparticle dispersion in which 70 to 95 wt% of silver nanoparticles are contained in an organic solvent, the viscosity (v1) at the time of increasing the shear rate and the shearing rate are in the shear rate range of 2 to 30 s-1. The viscosity ratio (v1 / v2) of the viscosity (v2) at the time of velocity decrease is 2.0 or less, the average particle diameter is 70 to 350 nm, the variation coefficient is 40% to 80%, and the amine compound is bound to the particle surface. Silver nanoparticles. [Selection diagram] None
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