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Impact of Foaming Agent and Nanoparticle Fillers on the Properties of Irradiated Rubber by Hanan M. Eyssa; Soma A. El Mogy; Hussein A. Youssef is a Chemistry article available to read on EtoBox.

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## Abstract A sponge rubber nanocomposite based on styrene–butadiene rubber (SBR)/nanoclay (montmorillonite, MMT) or nano-calcium carbonate (CaCO~3~) fillers with various foaming agent contents was produced by a simple technique, roll milling. The nanoparticles were examined by different techniques, such as X-ray fluorescence (XRF), X-ray diffraction (XRD), energy dispersive X-ray analysis (EDX), transmission electron microscopy (TEM), and Fourier-transform infrared (FT–IR). The sponge rubber nanocomposites were characterized by scanning electron microscopy (SEM) image analysis before and after exposures to radiation doses, as well as by the XRD patterns for the unirradiated samples. The different properties of the obtained nanocomposites, including their foaming degree, tensile strength, elongation at break, and thermal conductivity, were also investigated. The foam composites containing nano-CaCO~3~ possessed the best cell and crosslinking densities and mechanical properties among the other composites, while its foaming degree was the lowest. The results indicated that the thermal conductivity was reduced by increasing the foaming agent concentration. However, it increased as the

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Author

Hanan M. Eyssa; Soma A. El Mogy; Hussein A. Youssef

Publisher

Walter de Gruyter GmbH

Published

2020

Language

EN

Field

Chemistry (Physical Sciences)