Critical assessment of structural changes in some copolyamide-clay hybrid materials in correlation with the filler characteristics,Polymer Composites

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Critical assessment of structural changes in some copolyamide-clay hybrid materials in correlation with the filler characteristics
Polymer Composites ( IF 4.8 ) Pub Date : 2021-08-24 , DOI: 10.1002/pc.26273
Mădălina Zănoagă ₁ , Anton Airinei ₂ , Nicuşor Fifere ₂ , Cristian‐Vasile Grigoraş ₂ , Daniel Ţîmpu ₂ , Fulga Tanasă ₁

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A series of three copolyamide-clay hybrid nanocomposites were prepared using three different smectite clays (bentonite, montmorillonite K10, and Nanomer I.30P) by a solventless melt mixing process. The influence of the nature of clays on the structural changes was critically assessed by comparison with the neat copolyamide. Nanocomposite samples were analyzed by scanning electron microscopy (SEM), wide angle X-ray diffractometry (WAXD), UV–vis spectrometry and differential scanning calorimetry (DSC). The testing yielded in direct and indirect evidences of structural changes induced by the presence of clays in correlation with their characteristics, as nature of the clay, particle size, granulometric distribution, and particle dispersion into the matrix.

中文翻译：

与填料特性相关的一些共聚酰胺-粘土混合材料的结构变化的关键评估

使用三种不同的蒙脱石粘土（膨润土、蒙脱石 K10 和 Nanomer I.30P）通过无溶剂熔融混合工艺制备了一系列三种共聚酰胺-粘土杂化纳米复合材料。通过与纯共聚酰胺进行比较，对粘土性质对结构变化的影响进行了严格评估。通过扫描电子显微镜 (SEM)、广角 X 射线衍射 (WAXD)、紫外-可见光谱法和差示扫描量热法 (DSC) 分析纳米复合材料样品。测试产生了由粘土的存在引起的结构变化的直接和间接证据，这些变化与其特性相关，如粘土的性质、粒度、粒度分布和颗粒在基质中的分散。

更新日期：2021-08-24

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