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- 저자 : Rosmary Nichele Brandalise (검색결과 1 건)
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EPDM with Biochar, Carbon Black, Aramid Pulp and Ionic Liquidcompatibilized Aramid Pulp
Vinícius Demétrio da Silva,Micaela Dani Ferrari,Rosmary Nichele Brandalise,Edilson Valmir Benvenutti,Henri Stephan Schrekker,Sandro Campos Amico 한국섬유공학회 2021 Fibers and polymers Vol.22 No.4
Carbon black (CB) is a fossil fuel-derived product widely used as reinforcement in the rubber industry despite itspollution potential and its high energy-demanding production. Biochar, on the other hand, is a renewable source of carbonrecently studied for the partial substitution of CB in elastomeric materials. Aramid pulp/fibers have also been used in avariety of applications in this sector, usually after a surface treatment. In this work, the use of aramid pulp (AP) and biochar inthe preparation of ethylene propylene diene monomer (EPDM) composites and hybrid composites has been studied. The 1-nbutyl-3-methylimidazolium methanesulfonate ionic liquid (IL) was used as compatibilizer in AP, and the rubber-fillerinteraction was studied via thermal, rheometric, mechanical, and swelling analyses. The biochar-EPDM and the referenceCB-EDPM compounds showed similar hardness, modulus at 50 % strain and tear strength results. Among the tested fillers,AP was identified as the most effective to obtain EPDM composites with enhanced properties. A synergistic effect of biocharand IL-treated AP was found, resulting in higher tensile strength for the hybrid formulation (EPDM/Bio05AP05IL)compared to those with just biochar or CB, and reasonable strain at break. In all, the hybrid composites of EPDM reinforcedwith biochar and AP showed the potential to partially or fully replace CB formulations.
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