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Title The taste of waste: The edge of eggshell over calcium carbonate in acrylonitrile butadiene rubber
Date 06.11.2019
Number 57467
Abstract Rubber technology experiences a new age by the use of biowaste or natural fillers. In this regard, taking properties of reinforcing agents from biowaste fillers remains as the challenging matter. Chicken eggshell (ES) biowaste has recently been introduced to substitute calcium carbonate (CaCO3) duo to its superior properties and low price. In this work, composites based on acrylonitrile butadiene rubber (NBR) reinforced with ES and CaCO3 microfillers at various loading levels were prepared and characterized. To improve the interactions between fillers and the NBR matrix, ES and CaCO3 were surface-functionalized using a terpolymer, namely poly(vinyl 2-pyrrolidone-co-maleic acid-co-acrylic acid). Fourier-transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA) were used to characterize the modified fillers. The incorporation of the functionalized fillers resulted in a significant rise in the maximum torque according to the rheometric measurements. The Young’s modulus of the ES-based and CaCO3-based compounds showed a mild improvement over a wide range of filler contents. The elongation at break of the NBR composites, however, was dependent on the filler content. This work provides exciting opportunities for the design of novel and innovative coupling agents to be used in rubber applications.
URL https://doi.org/10.1007/S10924-019-01530-Y
Publisher Journal of Polymers and the Environment
Identifier
Citation Journal of Polymers and the Environment 27 (2019) 2478-2489
DOI https://doi.org/10.1007/S10924-019-01530-Y
Authors Bhagavatheswaran, E. S. ; Das, A. ; Rastin, H. ; Saeidi, H. ; Vahabi, H. ; Najafi, F. ; Khonakdar, H. A. ; Formela, K. ; Jouyandeh, M. ; Zarrintaj, P. ; Saeb, M. R.
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