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Synthesis and characterization of a novel aldehyde teroctyl phenolic resin vulcanizing agent for isoprene rubber processing

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Abstract

The commonly used phenolic resin vulcanizing agents for rubber processing technology have some limitations. In this study, a new aldehyde teroctyl phenolic resin vulcanizing agent was synthesized from SP-1055 through a series of chemical reactions and tested for its efficiency in vulcanizing isoprene rubber (IR) at low dosages. The structure of the new phenolic resin was confirmed using infrared spectroscopy (FTIR) and 1H nuclear magnetic resonance (1H-NMR) spectroscopy. The results showed that the new phenolic resin exhibited excellent vulcanization properties and environmental protection characteristics, and the IR blended with the new phenolic resin vulcanizing agent showed higher tensile strength, elongation at break, and better recovery from prolonged extension than those of IR with traditional phenolic resin vulcanizing agents. The improvement is attributed to the replacement of the chain end hydroxyl with an aldehyde group in the new phenolic resin vulcanizing agent. The new phenolic resin vulcanizing agent has significant potential for future research and development and could be a promising alternative for medical rubber products.

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Data Availability Statement

The datasets used or analysed during the current study are available from the corresponding author on reasonable request.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Correspondence to Minghui Du.

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Du, M., Liu, D. Synthesis and characterization of a novel aldehyde teroctyl phenolic resin vulcanizing agent for isoprene rubber processing. J Polym Res 30, 249 (2023). https://doi.org/10.1007/s10965-023-03622-9

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