| 초록 |
A series of new plasticizers(Bu-BCC, Pro-TCC) having five-memebered cyclic carbonates at the chain ends of alkane chain units were synthesized and characterized by Fourier transform infrared spectroscopy(FT-IR) and proton/carbon nuclear magnetic resonance spectroscopy(H1,C13-NMR). The plasticizers were prepared by a three-step procedure, coupling reaction, acid-catalyzed reaction and acyl subtitution reaction. Their thermal properties were investiggated by differential scanning calorimetry(DSC) and thermogravimetric analysis(TGA). FT-IR and spectroscopic results provide a confirmation of cyclic carbonates at chain ends of Bu-BCC and Pro-TCC. |
