Bisphenol A → Silver

Participants

Reaction Conditions

Reaction Steps

In a round bottom flask 0.15 grams of silver nitrate was dissolved in 15 grams of methanol. The solution was added to a glass tube reactor containing bisphenol-A (24 g) and DPC (23.35 grams). 800 microliters of a solution containing TMAH (2.6 mg) and NaOH (9.58 mg) were added as a catalyst to the reactant mixture and the resultant mixture was purged with nitrogen and heated to a temperature of 180° C. under stirring at a speed of 90 rpm. After 15 minutes the pressure in the tube reactor reached 910 millibar. After 30 minutes, the temperature was increased to 220° C., and the pressure was maintained at 910 millibar for 30 minutes. The temperature was then increased to 240° C. The pressure was slowly reduced from 910 millibar to 170 millibar over a period of 4 to 5 minutes at a rate of 75 to 100 millibar per 30 seconds. After being maintained at 170 millibar and 240° C. for 60 minutes, the temperature was increased to 280° C. The reaction mixture was then maintained at 280° C. and 20 millibar for 30 minutes and finally maintained at 300° C., 0 millibar pressure for 30 minutes to provide a bisphenol-A polycarbonate nanocomposite comprising 0.40 wt % silver nanoparticles.

Provenance & Evidence