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The Relationship between the Specific Surface Area of a Nanofiller and the Elastic Modulus for Polymer/Graphene Nanocomposites
Protection of Metals and Physical Chemistry of Surfaces ( IF 1.1 ) Pub Date : 2020-08-03 , DOI: 10.1134/s2070205120030211 G. V. Kozlov , I. V. Dolbin
中文翻译:
纳米填料的比表面积与聚合物/石墨烯纳米复合材料的弹性模量之间的关系
更新日期:2020-08-03
Protection of Metals and Physical Chemistry of Surfaces ( IF 1.1 ) Pub Date : 2020-08-03 , DOI: 10.1134/s2070205120030211 G. V. Kozlov , I. V. Dolbin
Abstract
The relationship between the effective (real) specific surface area of the nanofiller and the elastic modulus for polymer/graphene nanocomposites is studied. The process of aggregation of a graphene 2D nanofiller (the formation of its tactoids) leads to a decrease in its effective specific surface area, since the surface of graphene plates inside the tactoid, which does not interact with the polymer matrix, does not affect the formation of the properties of nanocomposites. This effect is realized only above the percolation threshold of the nanofiller. An interpretation is proposed that allows estimating the number of graphene plates in one tactoid. Further calculations allow the determination of the effective specific surface area of the nanofiller and the degree of reinforcement of the nanocomposite.中文翻译:
纳米填料的比表面积与聚合物/石墨烯纳米复合材料的弹性模量之间的关系