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<p>Chlorobutyl rubber (CIIR) is a synthetic elastomer possessing rapid cure rate, vast compounding ability as well as stable crosslinks. This unique elastomer of the isobutylene isoprene rubber family exhibits excellent mechanical, thermal, gas barrier and viscoelastic properties that can be further improved by the incorporation of various kinds of nanofillers resulting in the formation of chlorobutyl rubber nanocomposites. Moreover, CIIR demonstrates remarkable compatibility with a variety of other elastomers, including natural rubber and ethylene propylene diene monomer (EPDM), enabling the development of blends that exhibit superior elastomeric and physical properties beyond those of the individual constituents. The features of CIIR blends can be altered further to exhibit multifunctionality by the strategic addition of nanostructured fillers such as carbon nanotubes, graphene, graphene oxide, carbon black, boron nitride, and their hybrid derivatives. This review presents a comprehensive exploration of fabrication of CIIR nanocomposites and CIIR blend nanocomposites by giving special emphasis to their property enhancements. Additionally, the review highlights the wide-ranging applications of CIIR blend nanocomposites in real world applications like oil-water separation, protective clothing, and high-efficiency gas barrier systems.</p>

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A review on chlorobutyl rubber nanocomposites and blends: unlocking performance potentials for real-world applications

  • 期刊论文

  • 发表日期：

    2025年12月23日

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  • Archana Vinod,
  • Minu Mary Sebastian,
  • Aparna Asok,
  • Rani Alphonsa Jose,
  • Appukuttan Saritha

摘要

Chlorobutyl rubber (CIIR) is a synthetic elastomer possessing rapid cure rate, vast compounding ability as well as stable crosslinks. This unique elastomer of the isobutylene isoprene rubber family exhibits excellent mechanical, thermal, gas barrier and viscoelastic properties that can be further improved by the incorporation of various kinds of nanofillers resulting in the formation of chlorobutyl rubber nanocomposites. Moreover, CIIR demonstrates remarkable compatibility with a variety of other elastomers, including natural rubber and ethylene propylene diene monomer (EPDM), enabling the development of blends that exhibit superior elastomeric and physical properties beyond those of the individual constituents. The features of CIIR blends can be altered further to exhibit multifunctionality by the strategic addition of nanostructured fillers such as carbon nanotubes, graphene, graphene oxide, carbon black, boron nitride, and their hybrid derivatives. This review presents a comprehensive exploration of fabrication of CIIR nanocomposites and CIIR blend nanocomposites by giving special emphasis to their property enhancements. Additionally, the review highlights the wide-ranging applications of CIIR blend nanocomposites in real world applications like oil-water separation, protective clothing, and high-efficiency gas barrier systems.