Abstract:In this paper, a novel interfacial modifier, namely 2‐hexylthiouronium bromide (HTB), for silica has been synthesized and applied into silica‐filled natural rubber (NR) composites. HTB was synthesized from the reaction of thiourea with hexyl bromide at 65°C. Fourier‐transform infrared (FTIR) and Proton nuclear magnetic resonance spectrometry (1HNMR) were used to characterize the chemical structure of HTB. Different loadings of HTB were used to prepare a series of silica‐filled NR composites with the aim of ver… Show more
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