| Summary: | 碩士 === 國立臺北科技大學 === 分子科學與工程系有機高分子碩士班 === 107 === In this study, the PA6/66/(BAEA/AA) terpolyamides of low melting temperature were synthesized via the melt polycondensation method, which the composition of materials were ε-caprolactam (ε-CPL), hexamethylenediamine (HMDA), adipic acid (AA), and bis(2-aminoethyl) adipamide (BAEA). All samples of the chemical structure were determined via Fourier transform infrared spectroscopy (FT-IR). The lowest melting temperature (Tm) located in 123.4 °C with the BAEA/AA content of 10 mole% that was obtained via differential scanning calorimetry (DSC). In addition, the best mechanical properties were observed from the BAEA/AA content of 5 mole%, which the tensile strength and elongation at break were shown at 59.5 MPa and 542.3 %, respectively.
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