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<p>Reverse engineering of rubber materials is a complex analytical process aimed at identifying polymer composition, fillers, additives, curing systems, and degradation products in vulcanised rubber compounds. Due to the complex multi-component nature of vulcanised rubbers, reliable characterisation requires integration of complementary analytical techniques rather than use of a single method. This review summarises the major workflow steps used in reverse engineering of rubber compounds, including representative sampling, sample preparation, thermal analysis, extraction procedures, instrumental analyses, organic characterisation, crosslink evaluation, mechanical testing, and degradation assessment. Particular attention is devoted to thermal methods (TGA, DSC and DMA), spectroscopic techniques (FT-IR, Raman, NMR, XRF, SEM/EDS), and chromatographic approaches such as Py-GC/MS and HPLC used for identification of polymers, fillers, oils, antioxidants, and curatives. The review further discusses characterisation of sulphur crosslink structures, oxidative aging, fractographic analysis, and environmental aspects associated with tire wear particles and rubber recycling. Emphasis is placed on integrated interpretation of analytical data for reconstruction of compound formulations, evaluation of degradation processes, and failure analysis of rubber products. The presented overview highlights the importance of reverse engineering methodologies for material identification, quality control, recycling evaluation, and durability assessment in modern rubber technology.</p>

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Reverse engineering of vulcanised rubber compounds: an overview of analytical strategies

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月29日

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  • Sanjoy Datta,
  • Radek Stoček,
  • Martin Stěnička,
  • Michal Drobilík,
  • Evghenii Harea

摘要

Reverse engineering of rubber materials is a complex analytical process aimed at identifying polymer composition, fillers, additives, curing systems, and degradation products in vulcanised rubber compounds. Due to the complex multi-component nature of vulcanised rubbers, reliable characterisation requires integration of complementary analytical techniques rather than use of a single method. This review summarises the major workflow steps used in reverse engineering of rubber compounds, including representative sampling, sample preparation, thermal analysis, extraction procedures, instrumental analyses, organic characterisation, crosslink evaluation, mechanical testing, and degradation assessment. Particular attention is devoted to thermal methods (TGA, DSC and DMA), spectroscopic techniques (FT-IR, Raman, NMR, XRF, SEM/EDS), and chromatographic approaches such as Py-GC/MS and HPLC used for identification of polymers, fillers, oils, antioxidants, and curatives. The review further discusses characterisation of sulphur crosslink structures, oxidative aging, fractographic analysis, and environmental aspects associated with tire wear particles and rubber recycling. Emphasis is placed on integrated interpretation of analytical data for reconstruction of compound formulations, evaluation of degradation processes, and failure analysis of rubber products. The presented overview highlights the importance of reverse engineering methodologies for material identification, quality control, recycling evaluation, and durability assessment in modern rubber technology.