Abstract
The physico-mechanical properties of variable rubber blends including epoxide natural rubber (ENR), polybutadiene rubber (BR), and solution polymerized styrene-butadiene rubber (SBR) filled with silanized silica and carbon black mixtures were explored. The tensile, hardness, resilience, abrasion, and fatigue behavior were investigated. An optimized composition involving 30 phr of ENR and 70 phr SBR filled with mixtures of carbon blacks and silanized silica was proposed to be a suitable composition for the future development of green passenger truck tires, with low rolling resistance (fuel saving ability), high wear resistance, and desired fatigue failure properties.
Highlights
Environmental threats caused by excessive fuel consumption have been a major problem in the automobile industry
Aerodynamics, nature of roads, the type of vehicle, and their engine capacity as well as other factors may contribute to fuel loses in a typical vehicle; rolling resistance (RR), which is associated with the material design, is the main cause of fuel loss in motor vehicles [2, 3]
In the tire manufacturing technology, the various uncured components of the tire are brought together and gently assembled before vulcanization begins in the curing chamber; self-adhesion, adhesive tack, and green strength of the rubber compounds intended for industrial tire tread development are the crucial part of the tire/tread design
Summary
Environmental threats caused by excessive fuel consumption have been a major problem in the automobile industry. Have been extensively investigated by various researchers aimed to attain efficient composition for the development of green tire/tread [7, 8, 10, 11] In these attempts, blends of NR with at least one or more synthetic elastomers selected from the category of cis 1,4-polybutadiene (BR), NR/cis 1,4-polyisoprene rubber (IR), styrene-butadiene-based rubber (SBR), or their derivatives have been reinforced with mono or hybrid fillers such as CB and/or silanized silica as already demonstrated in previous studies [5, 7, 9]. Other research [15] have confirmed that ENR (epoxide group: 25% mol) had shown a glass transition temperature most suitable for tread application They observed that ENR-silica tread compounds showed lower RR, reduced fuel consumption, with enhanced wet and ice traction compared with benchmark premium passenger or truck treads. The samples were cut into standard shapes and subjected to characterization analysis
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