Experimental Study of Mechanical and Rheological Properties and Abrasion of Natural Rubber/Organo clay Nanocomposites, Prepared by Melt Mixing Method

In this work, preparation and characterization of nanocomposites based on Natural Rubber/Organoclay (NR/OC) in presence of compatiblizer (maleated rubber) are investigated. Compounds were prepared via an internal mixer and a two-roll mill. Results of rheometry test showed that the presence of compatibilizer lead to increment of torque difference (MH − ML) and reduction of curing time. Crosslink density measurement and evaluation of mechanical properties, abrasion, rheological behavior and morphological study suggested improvement of properties due to use of 8 part of compatibilizer. The presence of compatibilizer at the interface of polymer matrix and nanoclay layers enhanced the interfacial adhesion. This enhancement as well as the increase in crosslink density due to presence of compatiblizer resulted in the improvement of properties.