The Dimensional Effect of Interfacial Adhesion in Particulate-Filled Polymer Nanocomposites

2021 ◽  
Vol 899 ◽  
pp. 158-163
Author(s):  
Igor V. Dolbin ◽  
Gasan M. Magomedov ◽  
Gusein M. Magomedov ◽  
Georgii V. Kozlov

The effect of interfacial adhesion reduction at intensification of the nanofiller initial particles aggregation was found. It can be described with a simple empirical equation. The indicated equation precision is enough for prediction of the particulate-filled polymer nanocomposites reinforcement degree. The physical grounds of this effect can be described within the framework of fractal analysis.

2019 ◽  
pp. 23-28
Author(s):  
Patimat Rizvanova ◽  
Gasan Magomedov ◽  
Georgiy Kozlov

In the case of dispersion-filled polymer nanocomposites, it is assumed that a decrease in the size of dispersed nanoparticles leads to a strong increase in their degree of amplification. However, it is known that reducing the size of nanofiller particles intensifies the process of their aggregation, which ultimately dramatically increases the effective size of the nanofiller in the polymer matrix. Therefore, the question arises which nanofiller is more effective from a practical point of view – one having a small size of the initial particles, but highly aggregated, or another having a relatively large size of nanoparticles, but poorly aggregated. The aim of this work is to answer the above question. We have used two dispersion-filled polymer nanocomposites having the same polymer matrix, but filled with a dispersed filler, which size of the original particles differed by about 15 times. It is shown that the level of aggregation of dispersed nanofiller particles in the polymer matrix of the nanocomposite is controlled by two main factors: the size of its initial particles and the conditions for obtaining the nanomaterial, and the influence of the first factor prevails. The process of nanofiller aggregation significantly affects the level of interfacial adhesion and, as a consequence, the final properties of nanocomposites.


Author(s):  
Georgii V. Kozlov ◽  
Yulia N. Karnet ◽  
I. V. Dolbin ◽  
A. N. Vlasov

2011 ◽  
Vol 122 (3) ◽  
pp. 1986-1992 ◽  
Author(s):  
Xiaoming Yang ◽  
Liang Li ◽  
Songmin Shang ◽  
Xiao-ming Tao

2021 ◽  
Author(s):  
Prajakta Katti ◽  
Kundan KV ◽  
Subodh Kumar ◽  
Suryasarathi Bose

Improved dispersion together with enhanced interfacial adhesion of reinforcement is the key to superior structural properties in polymer nanocomposites. Herein, graphene oxide (GO) is employed to reinforce epoxy, and in...


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