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Morphology, Thermal and Mechanical Properties of Biodegradable Poly(butylene succinate)/Poly(butylene adipate-co-terephthalate)/Clay Nanocomposites

机译:可生物降解的聚丁二酸丁二醇酯/聚己二酸丁二醇酯-对苯二甲酸对苯二甲酸酯/粘土纳米复合材料的形貌,热力学性能

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摘要

Sodium montmorillonite (Na-MMT) was successfully modified by octadecylamine (ODA) through a cation exchange technique that showed by the increased of basal spacing of clay by XRD. The addition of the organoclay into the PBS/PBAT blends produced intercalated-type nanocomposites with improvements in tensile modulus and strength. The highest tensile strength of nanocomposite was observed at 1Â wt% of organoclay incorporated. A TGA study showed that the thermal stability of the blend increased after the addition of the organoclay by 1Â wt%. SEM micrographs of the fracture surfaces show that the morphology of the blend becomes smoother with presence of organoclay.
机译:十八烷基胺(ODA)通过阳离子交换技术成功改性了蒙脱土钠(Na-MMT),这表明XRD可以增加粘土的基础间距。将有机粘土添加到PBS / PBAT共混物中可制得插层型纳米复合材料,并改善了拉伸模量和强度。纳米复合材料的最高拉伸强度观察到掺入有机粘土的1 wt%。 TGA研究表明,添加有机粘土1 wt%后,共混物的热稳定性提高。断裂表面的SEM显微照片显示,在存在有机粘土的情况下,共混物的形态变得更光滑。

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  • 来源
    《Polymer-Plastics Technology and Engineering》 |2010年第15期|p.1571-1580|共10页
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  • 作者单位

    Faculty of Science, Chemistry Department, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia;

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