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首页> 外文期刊>Polymer Preprints >Rheological properties of biodegradable aliphatic polyester/montmorillonite nanocomposites
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Rheological properties of biodegradable aliphatic polyester/montmorillonite nanocomposites

机译：可生物降解的脂肪族聚酯/蒙脱土纳米复合材料的流变性能

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摘要

Composites of organic-inorganic materials have attracted considerable interest from an applications point of view. Among various inorganic materials, layered clay materials have been widely used recently. Considering composites structure, it can be classified into conventional composites and nanocomposites. In the conventional composites, phase mixing occurs on a macroscopic length scale (micron). The registry of the clay layers is retained when mixed with the polymer, and there is no intercalation of the polymer into clay layers. However, nanocomposites are a new class of composites that are clay-filled polymers for which at least one dimension of the dispersed clay particles is in the nanometer (nm) range. Thus, nanocomposites usually exhibit improved performance properties (superior physical and mechanical properties) when compared to conventional composites due to their unique phase morphology and improved interfacial properties. In a polymer nanocomposite, two types of structures exist: intercalation, in which a single, extended polymer chain is inserted between clay layers and exfoliation, in which the clay layers are dispersed into a continuous polymer matrix.
机译：从应用的观点来看，有机-无机材料的复合材料引起了相当大的兴趣。在各种无机材料中，层状粘土材料最近已被广泛使用。考虑到复合材料的结构，可以将其分为常规复合材料和纳米复合材料。在常规复合材料中，相混合发生在宏观长度尺度（微米）上。当与聚合物混合时，粘土层的注册表得以保留，并且没有聚合物插入粘土层中。但是，纳米复合材料是一类新型的复合材料，它们是粘土填充的聚合物，其分散的粘土颗粒的至少一个维度在纳米（nm）范围内。因此，与常规复合材料相比，纳米复合材料由于其独特的相形态和改进的界面性能，通常表现出改进的性能（优越的物理和机械性能）。在聚合物纳米复合材料中，存在两种类型的结构：插层（其中单个延伸的聚合物链插入粘土层之间）和剥落（其中粘土层分散在连续的聚合物基质中）。

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