氧化石墨烯对冲击改性聚酰胺6结构和性能的影响

Q2 Materials Science

Polymer-Plastics Technology and Engineering Pub Date : 2018-06-13 DOI:10.1080/03602559.2017.1354223

I. Kelnar, J. Kratochvíl, L. Kaprálková, Z. Špitalský, Massimo Ujčič, A. Zhigunov, M. Nevoralová

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引用次数: 14

摘要

摘要纳米填料对聚合物共混物进行改性是改善材料参数的有效途径。这项工作涉及到在聚酰胺6/弹性体系统中使用不同混合方案的整齐和硬脂胺改性氧化石墨烯的应用。乙烯-丙烯弹性体和氧化石墨烯的结合使聚酰胺材料具有更高的强度、刚度和韧性。其原因是核-壳结构(纳米填充剂定域于界面)对材料力学性能的协同作用。氧化石墨烯的结构定向效果与纳米粘土相当。由于氧化石墨烯的性质和与聚合物组分的相互作用，影响动态相行为的机制是不同的。图形抽象

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Effect of Graphene Oxide on Structure and Properties of Impact-Modified Polyamide 6

ABSTRACT Modification of polymer blends with nanofillers is an efficient way to improve material parameters. This work deals with application of neat and stearylamine-modified graphene oxide in the polyamide 6/elastomer system using different mixing protocols. Combination of ethene–propene elastomer and graphene oxide leads to a polyamide material with increased strength, stiffness, and toughness. The reason is synergistic effect of the core–shell structure (nanofiller localized at interface) on mechanical properties. The structure-directing effect of graphene oxide is comparable with that of nanoclay. The mechanism of affecting dynamic phase behavior is different as a consequence of graphene oxide nature and interactions with polymer components. GRAPHICAL ABSTRACT

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来源期刊

Polymer-Plastics Technology and Engineering 工程技术-高分子科学

CiteScore

1.71

自引率

0.00%

发文量

审稿时长

4 months