Synthesis and characterization of poly(ester amide) from remewable resources through melt polycondensation
作者： Y. P. Ge , D. Yuan , Z. L. Luo , B. B. Wang
DOI: 10.3144/EXPRESSPOLYMLETT.2014.6
关键词:
摘要: Biodegradable poly(ester amide)s (PEAs) were synthesized from lactic acid and 11-aminoundecanoic via melt polycondensation. Molecular weights, chemical structures thermal properties of the char- acterized in terms gel permeation chromatography (GPC), Fourier transform infrared spectroscopy (FTIR), 1 H nuclear magnetic resonance ( NMR), differential scanning calorimetry (DSC) thermogravimetric analysis (TGA), respec- tively. The PEAs have low molecular weights display a lower cold crystallization temperature as well smaller crys- tallinity by comparison with pure poly(lactic acid) (PLA). incorporation into PLA chain not only improved stability but changed decomposition process.
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