Method for Preparing Resin Compositions Containing Nano Silver Particles
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preparation example 2
[0038]In a 50 mL Schlenk flask equipped with a stirrer, 3.72 g (11.61 mmol) of 2-ethylhexylammonium 2-ethylhexylcarbonate (viscous liquid) was dissolved in 10 mL of methanol. 1.0 g (4.31 mmol) of silver oxide was then added. The reaction solution was initially a black slurry but it turned transparent as the reaction was performed. After 2 hours of reaction, a colorless, transparent solution was obtained. The resultant solution was filtered with a 0.45 micron membrane filter to remove unreacted silver oxide. Then, the solvent was removed under vacuum to obtain white solid. The solid was dried and weighed to obtain 4.02 g of a silver complex (yield=85.2%).
preparation example 3
[0039]In a 50 mL Schlenk flask equipped with a stirrer, 4.86 g (25.37 mmol) of 2-ethylhexylammonium bicarbonate (viscous liquid) was dissolved in 10 mL of methanol. 1.0 g (4.31 mmol) of silver oxide was then added. The reaction solution was initially a black slurry but it turned transparent as the reaction was performed. After 2 hours of reaction, a colorless, transparent solution was obtained. The resultant solution was filtered with a 0.45 micron membrane filter. Then, the solvent was removed under vacuum to obtain white solid. The solid was dried and weighed to obtain 4.33 g of a silver complex (yield=73.9%).
preparation example 4
[0040]In a 50 mL Schlenk flask equipped with a stirrer, 2.04 g (10.75 mmol) of isobutylammonium isobutylcarbamate (white solid, melting point: 80-82° C.) was dissolved in 10 mL of methanol. 1.0 g (4.31 mmol) of silver oxide was added and reaction was performed at room temperature. The reaction solution was initially a black slurry but it turned transparent as complex was produced. After 2 hours of reaction with stirring, a colorless, transparent solution was obtained.
[0041]The resultant solution was filtered with a 0.45 micron membrane filter. Then, the solvent was removed under vacuum to obtain white solid. The solid was dried and weighed to obtain 2.87 g of a silver complex (yield=94.4%).
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