DesignationHTPB · Hydroxyl-terminated polybutadiene
Polymer classTelechelic unsaturated polybutadiene polyol
Reactive functionalityTerminal hydroxyl groups
Typical physical formViscous liquid resin
Programme functionBinder and fuel matrix · Polyurethane precursor
Cited research variantHTPB functionalised with 2-ureido-4-pyrimidinone groups
Functional mechanismHydrogen-bonding groups supporting intrinsic self-healing behaviour
Analytical confirmationATR and NMR confirmed intermediates and the final modified polymer
Thermal observationDSC indicated no change in the resin glass-transition temperature
Coating evaluationCured polyurethane coating examined after controlled scratching
Published observation periodHealing process monitored for 24 hours
Corrosion observationModified-resin coating prevented rust at scratched areas in the reported test
PublicationJournal of Chemical Sciences · Volume 136 · Article 35 · 2024
Research DOI10.1007/s12039-024-02268-4
Commercial supply basisGrade- and lot-specific technical documentation