填料负载对 ABS/氮化硼（h-BN）纳米复合材料摩擦、热和机械性能的影响

IF 5.45 Q1 Physics and Astronomy

Nano-Structures & Nano-Objects Pub Date : 2024-10-05 DOI:10.1016/j.nanoso.2024.101372

Elssa George , Jomon Joy , Poornima Vijayan P , Henri Vahabi , Soney C. George , Saithalavi Anas

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引用次数: 0

摘要

研究了丙烯腈-丁二烯-苯乙烯（ABS）聚合物基体中六方氮化硼（h-BN）纳米粒子的影响。制备的 ABS/h-BN 纳米复合材料中 h-BN 的含量为 0.5 至 5 wt%，并对其摩擦、热和机械性能进行了评估。XRD 分析表明，在 ABS 纳米复合材料中，由于 ABS 聚合物链的相互渗透，h-BN 叠层的 "d "间距增大。添加 0.5 wt% 的 h-BN 纳米粒子后，ABS 基体的拉伸性能和热稳定性得到了更好的改善。利用拉伸断裂面分析预测了 ABS/h-BN 纳米复合材料的拉伸断裂机理。采用 Coats-Redfern 方法支持热稳定性分析结果。在含有 h-BN 的纳米复合材料中观察到 ABS 的摩擦性能显著增强（28%）。此外，还研究了 ABS/h-BN 纳米复合材料的润湿性和阻燃性。

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Effect of filler loading on the frictional, thermal and mechanical properties of ABS/boron nitride (h-BN) nanocomposites

The effect of hexagonal boron nitride (h-BN) nanoparticles in acrylonitrile butadiene styrene (ABS) polymer matrix is investigated. ABS/h-BN nanocomposites were prepared with h-BN content ranging from 0.5 to 5 wt% and their frictional, thermal and mechanical properties were evaluated. XRD analysis showed that the 'd' spacing in h-BN stacks increased in the ABS nanocomposite due to the interpenetration of ABS polymer chains. The tensile properties and thermal stability of ABS matrix showed better improvement with 0.5 wt% addition of h-BN nanoparticles. The tensile fracture mechanism in ABS/h-BN nanocomposites was predicted using tensile fracture surface analysis. Coats-Redfern approach was applied to support the thermal stability analysis results. Significant enhancement (28 %) in frictional property of ABS was observed in the nanocomposite with h-BN. Wettability and flame retardancy of the ABS/h-BN nanocomposites were also investigated.

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来源期刊

Nano-Structures & Nano-Objects Physics and Astronomy-Condensed Matter Physics

CiteScore

9.20

自引率

0.00%

发文量

审稿时长

22 days

期刊介绍： Nano-Structures & Nano-Objects is a new journal devoted to all aspects of the synthesis and the properties of this new flourishing domain. The journal is devoted to novel architectures at the nano-level with an emphasis on new synthesis and characterization methods. The journal is focused on the objects rather than on their applications. However, the research for new applications of original nano-structures & nano-objects in various fields such as nano-electronics, energy conversion, catalysis, drug delivery and nano-medicine is also welcome. The scope of Nano-Structures & Nano-Objects involves: -Metal and alloy nanoparticles with complex nanostructures such as shape control, core-shell and dumbells -Oxide nanoparticles and nanostructures, with complex oxide/metal, oxide/surface and oxide /organic interfaces -Inorganic semi-conducting nanoparticles (quantum dots) with an emphasis on new phases, structures, shapes and complexity -Nanostructures involving molecular inorganic species such as nanoparticles of coordination compounds, molecular magnets, spin transition nanoparticles etc. or organic nano-objects, in particular for molecular electronics -Nanostructured materials such as nano-MOFs and nano-zeolites -Hetero-junctions between molecules and nano-objects, between different nano-objects & nanostructures or between nano-objects & nanostructures and surfaces -Methods of characterization specific of the nano size or adapted for the nano size such as X-ray and neutron scattering, light scattering, NMR, Raman, Plasmonics, near field microscopies, various TEM and SEM techniques, magnetic studies, etc .