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Preparation and characterization of natural rubber composites highly filled with brewers' spent grain/ground tire rubber hybrid reinforcement

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Zedler, Lukasz. Preparation and characterization of natural rubber composites highly filled with.....pdf (1,426Mb)
 
10.1016/j.compositesb.2018.03.024
 
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Zedler, Lukasz
Colom Fajula, XavierMés informacióMés informacióMés informació
Reza Saeb, Mohammad
Formela, Krzysztof
Document typeArticle
Defense date2018-07-15
PublisherElsevier
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Brewers' spent grain (BSG) and ground tire rubber (GTR) were applied as low-cost hybrid reinforcement natural rubber (NR). The impact of BSG/GTR ratio (in range: 100/0, 75/25, 50/50, 25/75 and 0/100 phr) on processing and performance properties of highly filled natural rubber composites was evaluated by oscillating disc rheometer, Fourier-transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, swelling behavior, tensile tests and impedance tube measurements. It was found that increasing content of GTR in NR/BSG/GTR composites accelerate cross-linking reactions during their preparation, which resulted in decrease of scorch time and optimal cure time. Simultaneously, higher content of GTR filler in NR/BSG/GTR composites significantly improved their physico-mechanical, thermal, morphological and acoustical properties. This indicates better compatibility between natural rubber matrix and GTR than with BSG, which is related to correlation between two factors. First factor is obvious differences in particles size and polarity of GTR and BSG, which affected physical interactions into phase boundary between NR matrix and BSG/GTR hybrid reinforcement. Second factor is possible migration of unreacted curing additives and carbon black particles from GTR filler to NR matrix, which played a significant role on processing and final properties of NR/BSG/GTR composites
CitationZedler, L., Colom, X., Reza Saeb , M., Formela, K. Preparation and characterization of natural rubber composites highly filled with brewers' spent grain/ground tire rubber hybrid reinforcement. "Composites part B: engineering", 15 Juliol 2018, vol. 145, p. 182-188. 
URIhttp://hdl.handle.net/2117/119314
DOI10.1016/j.compositesb.2018.03.024
ISSN1359-8368
Publisher versionhttps://www.sciencedirect.com/science/article/pii/S1359836818302518
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