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Optimization of the Mechanical Properties Responses of SBR 1502 Rubber/Amorphous Silicon Dioxide/Others by DOE-MSR Methodology

Abstract:

The study of the application and mechanical behavior of new composite materials within the footwear industry for soles manufacture, allows to evaluate the mechanical behavior of a vulcanized composite material by compression. This study was carried out the optimization of the mechanical properties as abrasion, bending, and hardness of the vulcanized material manufactured under its respective elastomeric base and its reinforcing load. SBR 1502 rubber with amorphous silicon dioxide, plus other compounds (activators, accelerants, plasticizers, vulcanization agent, and anti-degradants), was used for the manufacture of vulcanization. Material configuration, vulcanization time, and vulcanization temperature were taken as input factors, the influence of these factors on responses was analyzed using Response Surface Methodology (MSR). For the optimization of experimental responses, the desirability function was used to generate the results and indicated that the optimal factors to take advantage of experimental responses or mechanical properties were the configuration of 18 Kg SBR 1502 + 7,7749 Kg amorphous silicon dioxide + 5.5 Kg other compounds, vulcanization time of 6 min, and vulcanization temperature of 165∘ C, with an overall desirability value of 0.8581.