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Understanding the Effect of Zinc Oxide(ZnO)With Carbon Black Coupling Agent on Physico-Mechanical properties in Natural Rubber Matrix

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Organic Polymer Material Research 2022年第2期4卷 15-25页

作者： Koushik Pal Koushik Banerjee Soumya Ghosh Chowdhury Sanjay Kumar Bhattacharyya Rabindra Mukhopadhyay Hari Shankar Singhania Elastomer and Tyre research Institute Plot No.437Hebbal Industrial AreaMysoreKarnataka570016India

Natural rubber(NR)is not only the main compounding ingredient used to make the majority of components of tires as well as other rubber products,as it plays a significant role in ensuring that they operate well and complies with environmental *** applications of NR products are lim-ited to high temperatures due to the revision tendency of NR *** address these issues,the potential engagement of a carbon black(CB)coupling agent(CA)in the presence of metal oxide *** Oxide(ZnO)was investigated in an NR-based *** CA has dual functionality on physicomechanical *** has the ability to reduce hysteresis loss as well as improve anti-reversion properties and these properties thorough-ly depend on the presence of *** ZnO was added to the master formulation,a 65%improvement in reversion properties was *** the other hand,while ZnO fully transferred to the final formulation,bound rubber(BR)content increased by 19%,the difference in storage modulus(ΔG’)is reduced by 22%,cure rate index(CRI)improved by 14%,loss tangent(tanδ)reduced by 18%and slightly improve in elongation at break compared to control ***-gravimetric analysis(TGA)was engaged to understand the thermal stability and degree of purity of CA.A differential Scanning Calorimeter(DSC)was used to detect the phase tran-sition of *** Transform Infrared Spectrum(FTIR)was adopted to detect the presence of carboxyl and amine groups in the CA *** effect,BR content and Transmission Electron Microscope(TEM)were em-ployed to investigate the micro-level dispersion of CB in the natural rubber(NR)matrix.

关键词： Carbon black Natural rubber Carbon black coupling agent anti-reversion properties

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