Present work deals with the reinforcement behaviour of graphene nanoplatelets (GNP) in elastomer matrix of acrylonitrile butadiene (NBR) co-polymer. The addition of 20 phr GNP in NBR matrix a significant improvement in tensile strength (∼528%), and elongation at break (∼60%) compared to neat NBR is observed. Hybrid composites of NBR filled with GNP-CB and GNP-MWCNT at judicious proportion exhibit further improvement in the mentioned properties compared to those exhibited by composites containing individual fillers at same loading. This reflects strong synergistic effect on properties by hybrid fillers. Morphological studies reveal the state of dispersion of filler in matrix polymer, and this can be correlated with property improvements. The better synergistic effect of GNP-CB hybrid filler in comparison to GNP-MWCNT for improvement in mechanical and electrical properties as well as thermal stability may be attributed to the better filler dispersion and higher polymer-filler interaction for NBR-GNP-CB hybrid system compared to NBR-GNP-MWCNT system.

当前的工作涉及石墨烯纳米片（GNP）在丙烯腈丁二烯（NBR）共聚物的弹性体基质中的增强行为。与纯NBR相比，在NBR基体中添加20 phr GNP可以显着提高抗张强度（〜528％）和断裂伸长率（〜60％）。与含有相同填充量的单个填料的复合材料相比，以合理的比例填充GNP-CB和GNP-MWCNT的NBR杂化复合材料在上述性能上有进一步的改善。这反映出杂化填料对性能的强烈协同作用。形态学研究揭示了填料在基体聚合物中的分散状态，这可与性能改善相关。