Silver particle dispersion and process for producing the same
A technology of silver particles and dispersion liquids, applied in chemical instruments and methods, conductive materials dispersed in non-conductive inorganic materials, silver compounds, etc., can solve the problems of high cohesion and difficulty in obtaining nanoparticle dispersion liquids, etc.
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Embodiment 1
[0082] To 140 mL of isobutanol (special grade manufactured by Wako Pure Chemical Industries, Ltd.) as a liquid organic medium and a reducing agent, oleylamine (manufactured by Wako Pure Chemical Industries, Ltd.) having one unsaturated bond in the molecule of the compound as an organic protective material was added. Mw=267) 185.83 mL and 19.212 g of silver nitrate crystals (manufactured by Kanto Chemical Co., Ltd.) as a silver compound were stirred with a magnetic stirrer to dissolve the silver nitrate.
[0083] The solution was transferred to a container with a reflux device, placed in an oil bath, and nitrogen gas as an inert gas was blown into the container at a flow rate of 400 mL / min, while using a magnetic stirrer to stir the solution at a rotational speed of 100 rpm , while heating, reflux at a temperature of 100° C. for 2 hours and 30 minutes. Thereafter, the temperature was raised to 108° C., and reflux was performed for 2 hours and 30 minutes to complete the reaction...
Embodiment 2
[0087] To 120 mL of isobutanol (special grade manufactured by Wako Pure Chemical Industries, Ltd.) as a liquid organic medium and a reducing agent, oleylamine (manufactured by Wako Pure Chemical Industries, Ltd.) having one unsaturated bond in the molecule of the compound as an organic protective material was added. Mw=267) 199.11 mL and 20.59 g of silver nitrate crystals (manufactured by Kanto Chemical Co., Ltd.) as a silver compound were stirred with a magnetic stirrer to dissolve the silver nitrate.
[0088] The solution was transferred to a container with a reflux device, placed in an oil bath, and nitrogen gas as an inert gas was blown into the container at a flow rate of 400 mL / min, while using a magnetic stirrer to stir the solution at a rotational speed of 100 rpm , while heating, and reflux at a temperature of 108° C. for 5 hours to complete the reaction. At this time, the rate of temperature increase to 108°C was 2°C / min.
[0089] The total amount of the slurry afte...
Embodiment 3
[0092] To 120 mL of isobutanol (special grade manufactured by Wako Pure Chemical Industries, Ltd.) as a liquid organic medium and a reducing agent, oleylamine (manufactured by Wako Pure Chemical Industries, Ltd.) having one unsaturated bond in the molecule of the compound as an organic protective material was added. Mw=267) 199.11 mL and 20.59 g of silver nitrate crystals (manufactured by Kanto Chemical Co., Ltd.) as a silver compound were stirred with a magnetic stirrer to dissolve the silver nitrate.
[0093] The solution was transferred to a container with a reflux device, placed in an oil bath, and nitrogen gas as an inert gas was blown into the container at a flow rate of 400 mL / min, while using a magnetic stirrer to stir the solution at a rotational speed of 100 rpm , while heating, and reflux at a temperature of 108° C. for 5 hours to complete the reaction. At this time, the rate of temperature increase to 108°C was 2°C / min.
[0094] The total amount of the slurry afte...
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