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首页> 外文期刊>Journal of Applied Polymer Science >Synthesis of Polypropylene-Grafted Graphene and Its Compatibilization Effect on Polypropylene/Polystyrene Blends
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Synthesis of Polypropylene-Grafted Graphene and Its Compatibilization Effect on Polypropylene/Polystyrene Blends

机译：聚丙烯接枝石墨烯的合成及其对聚丙烯/聚苯乙烯共混物的增容作用

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摘要

Polypropylene-graft-reduced graphene oxide (PP-g-rGO) was synthesized and used as a novel compatibilizer for PP/polystyrene (PP/PS) immiscible polymer blends. SEM observation revealed an obvious reduction of the average diameter for the dispersed PS phase with the addition of PP-g-rGO into a PP/PS (70/30, w/w) blend. The compatibilization effect of PP-g-rGO will subsequently lead to the enhancement of the tensile strength and elongation at break of the PP/PS blends. The compatibilizing mechanism should be ascribed to the fact that PP-g-rGO can not only adsorb PS chains on their basal planes through p-p stacking but also exhibit intermolecular interactions with PP through the grafted PP chains.
机译：合成了聚丙烯接枝还原的氧化石墨烯（PP-g-rGO），并用作PP /聚苯乙烯（PP / PS）不混溶聚合物共混物的新型相容剂。 SEM观察表明，向PP / PS（70/30，w / w）共混物中添加PP-g-rGO可以显着降低分散PS相的平均直径。 PP-g-rGO的增容作用随后将导致PP / PS共混物的拉伸强度和断裂伸长率提高。相容机制应归因于以下事实：PP-g-rGO不仅可以通过p-p堆积将PS链吸附在它们的基面上，而且还可以通过接枝的PP链表现出与PP的分子间相互作用。

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