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<p>It is shown that aminoethylaminopropylisobutyl polyhedral oligomeric silsesquioxane (AEAPIB-POSS) reveals a catalytic effect on the rate of the polycyanurate network (PCN) formation, namely with an increase in its content from 0.05 to 1.0 wt.%, the reaction rate increases by 103-512%. A synergistic effect of AEAPIB-POSS on viscoelastic properties of the created hybrid organic-inorganic PCN/AEAPIB-POSS nanocomposites is found, which is manifested in non-additive enhancement of viscoelastic properties, such as elasticity modulus and glass transition temperature in comparison with PCN. The chemical incorporation of AEAPIB-POSS into PCN is confirmed by FTIR, <sup>1</sup>H and <sup>13</sup>C NMR methods.</p>

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Catalytic and Synergistic Effects of Aminoethylaminopropylisobutyl Polyhedral Oligomeric Silsesquioxane in the Formation of Heat-resistant Hybrid Organic-INORGANIC Polycyanurate Nanocomposites

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • O. P. Grigoryeva,
  • D. M. Shulzhenko,
  • K. G. Gusakova,
  • O. M. Starostenko,
  • O. M. Fainleib,
  • D. Grande

摘要

It is shown that aminoethylaminopropylisobutyl polyhedral oligomeric silsesquioxane (AEAPIB-POSS) reveals a catalytic effect on the rate of the polycyanurate network (PCN) formation, namely with an increase in its content from 0.05 to 1.0 wt.%, the reaction rate increases by 103-512%. A synergistic effect of AEAPIB-POSS on viscoelastic properties of the created hybrid organic-inorganic PCN/AEAPIB-POSS nanocomposites is found, which is manifested in non-additive enhancement of viscoelastic properties, such as elasticity modulus and glass transition temperature in comparison with PCN. The chemical incorporation of AEAPIB-POSS into PCN is confirmed by FTIR, 1H and 13C NMR methods.