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首页> 外文期刊>Journal of Polymers and the Environment >Preparation and Properties of Thermoplastic Starch/Montmorillonite Nanocomposite Using N-(2-Hydroxyethyl)formamide as a New Additive
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Preparation and Properties of Thermoplastic Starch/Montmorillonite Nanocomposite Using N-(2-Hydroxyethyl)formamide as a New Additive

机译：N-（2-羟乙基）甲酰胺为新型添加剂的热塑性淀粉/蒙脱土纳米复合材料的制备与性能

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摘要

N-(2-Hydroxyethyl)formamide (HF) was synthesized efficiently and used as a new additive to prepare thermoplastic starch/montmorillonite nanocomposite (TPS/ MMT). Here, HF acted as both plasticizer for TPS and swelling agent for MMT. The hydrogen bond interaction among HF, starch and MMT was proven by Fourier-transform infrared (FT-IR) spectroscopy. By scanning electron microscope (SEM), starch granules were completely disrupted. Atomic force microscopy demonstrated that partially exfoliated TPS/MMT nanocomposite was formed. The crystallinity of corn starch, MMT, HF-plasti-cized TPS (HTPS) and TPS/MMT nanocomposite was characterized by X-ray diffraction (XRD). Thermal stability of HTPS and TPS/MMT was determined by ther-mogravimetric analysis (TGA). The water resistance of TPS/MMT nanocomposite increased compared with that of pure HTPS. Tensile strengths of TPS/MMT nanocompos-ites were higher than those of HTPS, but just the reverse for elongations at break.
机译：高效合成了N-（2-羟乙基）甲酰胺（HF），并用作制备热塑性淀粉/蒙脱土纳米复合材料（TPS / MMT）的新添加剂。在这里，HF既充当TPS的增塑剂，又充当MMT的溶胀剂。 HF，​​淀粉和MMT之间的氢键相互作用已通过傅立叶变换红外光谱（FT-IR）证明。通过扫描电子显微镜（SEM），淀粉颗粒被完全破坏。原子力显微镜显示形成了部分剥落的TPS / MMT纳米复合材料。通过X射线衍射（XRD）表征了玉米淀粉，MMT，HF胶结TPS（HTPS）和TPS / MMT纳米复合材料的结晶度。 HTPS和TPS / MMT的热稳定性通过热重分析（TGA）确定。与纯HTPS相比，TPS / MMT纳米复合材料的耐水性增加。 TPS / MMT纳米复合材料的拉伸强度高于HTPS，但断裂伸长率恰好相反。

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