Characterization of Poly(butylene succinate)/glycerol Co-plasticized Thermoplastic Gelatin Prepared by Melt Blending
文献类型： 会议论文
第一作者： Maria Oliviero
作者： Maria Oliviero 1 ; Andrea Sorrentino 1 ; Salvatore Iannace 2 ;
作者机构： 1.CNR, Institute for Polymers, Composite and Biomaterials (IPCB), P.le E. Fermi 1, 1-80055 Portici (Napoli), Italy
2.CNR, Institute for Macomolecular Studies (ISMAC), Milano, I-20133, Italy
关键词： main goal;incorporation;samples containing
会议名称： International Conference GT70
主办单位：
页码： 020042-1-020042-6
摘要： Biodegradable thermoplastic poly(butylene succinate)/gelatin (PBS/TPG) blends with various blending ratios were prepared by melt mixing technique. The main goal of these blends is to improve the water sensitivity of thermoplastic gelatin by blending it with a hydrophobic biodegradable polymer obtained also from renewable resources. The incorporation of PBS yielded a decrease in absorbed moisture. Under the relative humidity 50 and 100%, the absorbed moisture obtained values were 19 and 229% for pure TPG, 12.3 and 127% for TPG/PBS(80/20), and 1.7 and 37% for TPG/PBS(20/80), respectively. The water resistance increased only for the samples containing a high value of PBS (>40%wt). Furthermore, mechanical properties and morphological analyses revealed that PBS/TPG blends were immiscible.
分类号： o63-532
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