Green and Inexpensive Method to Recover Bisphenol-A from Polycarbonate Wastes
Nikje, Mir Mohammed Alavi; Askarzadeh, Mohammed
http://dx.doi.org/10.1590/S0104-14282013005000019
Polímeros: Ciência e Tecnologia, vol.23, n1, p.29-31, 2013
Abstract
Hydroglycolysis of polycarbonate waste from used compact discs was developed to recover Bisphenol-A (BPA) as a valuable material. Experiments were done in glycerin and water as an alternative green solvent. The effect of solvent ratios has been studied to evaluate BPA recovery. The use of 30% aqueous glycerin (pbw) led to 93 and 100% of BPA at reflux condition within 1.0 and 5.5 hours, respectively. Recovered BPAs were identified by spectroscopy methods and the results were compared with commercial sample data.
Keywords
Polycarbonate, bisphenol-A, recycling, hydroglycolysis
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