Restricted accessResearch articleFirst published online 2022-11
Comparative studies on mechanical properties and dehydrochlorination of chlorinated natural rubber-based composites containing carbon nanotubes and graphene through DFT and experiments
This study employed a combination of density functional theory (DFT) and experimentation to compare the mechanical properties of chlorinated natural rubber (CNR)/carbon nanotubes (CNT) and CNR/graphene composites and to illuminate their thermal stability differences related to dehydrochlorination. The results showed that, in tensile tests, the Young's modulus of CNR/graphene was greater than that of CNR/CNT, while in pull-out simulation tests, the interfacial shear strength of CNR/graphene was smaller than that of CNR/CNT. In thermal stability tests, both CNT and graphene made the CNR dehydrochlorination reaction rate constant larger, with the thermal stability of CNR/graphene better than that of CNR/CNT. The performance change trends of the two composites were calculated using DFT and the experimental results were consistent with these trends.
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