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The Influence of the Geometric Shape of Carbon Nanoparticles on the Strength Properties of Nanocomposite Materials Obtained by Filling an Epoxy Matrix
Journal of Macromolecular Science Part B-Physics ( IF 1.2 ) Pub Date : 2020-06-17 , DOI: 10.1080/00222348.2020.1779449
Natalya Kostromina 1 , Hlaing Zawoo 1 , Vladimir Osipchik 1 , Tatyana Kravchenko 1 , Ksenia Yakovleva 1 , Margarita Baranova 1 , Yaroslav Mezhuev 1
Affiliation  

The effects of filling an epoxy matrix modified with “Viniflex” with carbon nanotubes, fullerene C60, or graphene on the mechanical properties, surface morphologies and glass transition temperatures of the composite materials obtained after curing were studied. It was shown that the largest decrease in glass transition temperature and an increase in impact strength was achieved by the introduction of 0.1 mass% graphene. Filling with graphene and carbon nanotubes increased the bending strength while filling with C60 fullerenes provided the greatest compressive strength and elasticity modulus. An explanation of the results was based on ideas about the relationship of the geometrical shape of the nanofiller to the load direction and features of the phase composition of the composite materials. It is suggested that the carbon nanomaterials had a template effect on the packing of the epoxy matrix chains.



中文翻译:

碳纳米粒子的几何形状对填充环氧树脂基体获得的纳米复合材料强度特性的影响

研究了用碳纳米管,富勒烯C 60或石墨烯填充“ Viniflex”改性的环氧树脂基质对固化后获得的复合材料的机械性能,表面形态和玻璃化转变温度的影响。结果表明,通过引入0.1质量%的石墨烯,可以最大程度地降低玻璃化转变温度并提高冲击强度。填充石墨烯和碳纳米管可以提高弯曲强度,同时填充C 60富勒烯提供最大的抗压强度和弹性模量。对结果的解释是基于关于纳米填料的几何形状与负载方向的关系以及复合材料的相组成特征的想法。建议碳纳米材料对环氧基质链的堆积具有模板作用。

更新日期:2020-07-16
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