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Optical (transmittance) properties of the BPA-free PCs prepared from DTMPC (0.33 mmol) with 1.7 μmol DBU and 35 μmol 13PDO at 130°C for 1hr. BL in EtOH; Blank in ethanol, PC in EtOH; PC in ethanol, BL; blank, PC-THF in EtOH; PC (after submerged in THF for 15 min) in ethanol, PC; PC, PC-THF; PC after submerged in THF for 15 min. Insert shows PC pellets prepared.
