Synthesis and Characterization of a New Degradable Poly(ester amide) Derived from 6-Amino-1-hexanol and Glutaric Acid
作者:Montserrat Vera、Ahmed Almontassir、Alfonso Rodríguez-Galán、Jordi Puiggalí
DOI:10.1021/ma0345652
日期:2003.12.1
NMR spectra. Thermal properties and crystallization kinetics have also been studied. Crystalline structure has been investigated by X-ray fiber diffraction and electron microscopy of lamellar single crystals. Results indicate that polymorphism exists involving packing modes similar to those found on aliphatic polyamides.
由6-氨基-1-己醇和戊二酸单元组成的交替的聚(酯酰胺)已经通过涉及溶液或热缩聚的不同方式合成。比较了合成结果,并证实了由于形成酰亚胺环而发生热降解的情况。新聚合物的水解和酶促降解已通过减重措施和特性粘度变化或通过NMR光谱进行了评估。还已经研究了热性质和结晶动力学。通过X射线纤维衍射和层状单晶的电子显微镜研究了晶体结构。结果表明,存在多态性,其堆积方式与脂族聚酰胺类似。