Research on the Thermal Aging Performance of a GAP-Based Polyurethane Elastomer
Chang Liu,
Fengdan Zhu,
Desheng Yang
et al.
Abstract:Glycidyl azide polymer (GAP)-based polyurethane is an ideal elastomeric matrix for high-energy, low-smoke, and insensitive solid propellants. As the skeleton structure of GAP propellants, changes in the structure and properties of GAP elastomers during aging lead to the deterioration of propellant performance (especially in relation to mechanical properties), which causes safety risks. A high-temperature-accelerated aging experiment (70 °C) on a GAP elastomer was conducted. The evolution of the microstructure … Show more
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