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July 2, 2026Journal of Polymer Science

Nanostructured Hybrid Binders: Enhancing HTPB –Polyurethane Elastomers Through Precise Q‐Siloxane Grafting

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Authors

NWNathan J. WeeksUnited States Air Force AcademyNWNathan WeeksAdvanced Bioscience Laboratories (United States)SIScott T. IaconoAdvanced Bioscience Laboratories (United States)

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Implication

Randomized trial demonstrates enhanced thermal and rheological properties in polyurethane elastomers, suggesting a new approach for high-performance materials.

Key Points

  • This research aims to improve polyurethane elastomers by integrating silsesquioxane into their structure.
  • Developed a platinum-catalyzed hydrosilylation protocol for functionalizing silsesquioxane.
  • Grafted functionalized silsesquioxane onto hydroxyl-terminated polybutadiene (HTPB).
  • Cured the resultant mixture with isophorone diisocyanate (IPDI) to create hybrid copolymers.
  • Produced nanostructured polyurethane copolymers with improved thermal properties.
  • Achieved enhanced rheological properties due to the high-fidelity incorporation of POSS cages.

Cite This Study

Weeks et al. (2026) studied this question.

synapsesocial.com/papers/6a45fffc9ed1343031310349https://doi.org/10.1002/pola.70242
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