Rubber nanocomposites are being studied because of their unique characteristics. Fillers are used in rubbers and elastomers to increase certain qualities for their ultimate uses. Fillers are used to strengthen rubber such as graphene/graphene oxide for the majority of activities. The hardness, modulus, anti-ageing and gas barrier properties of nanofilled-reinforced rubber are greater than pristine rubber. Studies from the literature depicted 150% increment in elastic modulus, 27.6% increment in modulus of rigidity and 35% increment in hardness of nitrile butadiene rubber when reinforced with graphene oxide (GO). Bulk, shear and Young’s modulus of vulcanised rubber rises by 19.13%, 21.11% and 26.89% when infused with carbon nanotube. Because of its unique electrical, thermal and mechanical characteristics, rubber nanocomposites loaded with GO are also in high demand in industrial applications. Rubber nanocomposites, different nanofillers like graphene and graphene oxide and their benefits have been discussed. The review also outlines the rubber/GO nanocomposites' production procedures, novel characteristics and possible uses.
In the realm of polymer composites, the research of nanoparticles has risen in prominence. Graphene oxide (GO) is one of the best nanofillers in natural rubber (NR). In this work, GO nanosheets are utilized as reinforcement in an NR composite to anticipate mechanical characteristics. The researchers project the effect of GO sheets in NR with varied volume percentages and defective GO sheet reinforcement in NR composites. When the volume percentage of GO sheet in the NR nanocomposite is 4.6% and 7.2%, respectively, the value of Young's modulus rose by 68.8% and 166.2%. GO/NR with a 7.2% volume fraction has the highest ultimate tensile strength as compared with lower volume fractions of GO/NR nanocomposites. An increase of 63.49% in ultimate tensile strength in GO/NR nanocomposites (7.2% vol fraction) is seen as compared with pristine NR. Creep characteristics of NR nanocomposites are also investigated. The results reveal that the addition of GO sheets considerably increases the creep resistance strength of NR nanocomposites. The zone of secondary creep grows narrower as the continuous stress level increases.
Molecular dynamics modelling was used to calculate the improved mechanical characteristics of graphene oxide (GO) reinforced natural rubber (NR) composites at the molecular level. The mechanical characteristics of constructed structures are calculated using the constant strain approach. After creating composites of GO/NR with different volume fractions of GO calculations for mechanical properties have been done. The incorporation of graphene oxide to the NR matrix at 3.5 percent and 7.5 percent vol fraction results in a considerable improvement in Young's, bulk and shear modulus, and overall mechanical characteristics.
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