The methanolysis of waste compact discs (WCD) was studied using ionic liquid [Bmim][Cl] as solvent and catalyst. The effects of reaction temperature
reaction time
ionic liquid dosage and methanol dosage on methanolysis results were examined. The obtained optimum reaction conditions were reaction temperature 110℃
reaction time 1.5 h
n(WCD)∶n(methanol)=1∶8
m(ionic liquids)∶m(WCD)=1∶1. Under above conditions
the conversion of WCD and yield of bisphenol A (BPA) were ≥98% and ≥93% respectively. The reusability of ionic liquid in the methanolysis was investigated
and the results showed that it could be reused up to 8 times without an apparent decrease in the conversion of WCD and yield of BPA under the given conditions. The structure of obtained product BPA was characterized by FT-IR.The methanolysis of waste compact discs (WCD) was studied using ionic liquid [Bmim][Cl] as solvent and catalyst. The effects of reaction temperature
reaction time
ionic liquid dosage and methanol dosage on methanolysis results were examined. The obtained optimum reaction conditions were reaction temperature 110℃
reaction time 1.5 h
n(WCD)∶n(methanol)=1∶8
m(ionic liquids)∶m(WCD)=1∶1. Under above conditions
the conversion of WCD and yield of bisphenol A (BPA) were ≥98% and ≥93% respectively. The reusability of ionic liquid in the methanolysis was investigated
and the results showed that it could be reused up to 8 times without an apparent decrease in the conversion of WCD and yield of BPA under the given conditions. The structure of obtained product BPA was characterized by FT-IR.