Properties Comparison of Composite Solid Propellants Based on HTPB and NHTPB/HTPB

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Qane Qarabagh M.; Kebritchi A.; ASHRAFI M.

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Journal: JOURNAL OF ENERGETIC MATERIALS Year:2018 | Volume:13 | Issue:3 (39) Page(s): 153-161

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Title

Properties Comparison of Composite Solid Propellants Based on HTPB and NHTPB/HTPB

Author(s)

Qane Qarabagh M. | Kebritchi A. | ASHRAFI M. | Issue Writer Certificate

Keywords

Composite Solid PropellantQ2

NHTPB ResinQ1

Physical-Mechanical PropertiesQ1

Burning RateQ1

Impact and Friction SensitivityQ1

Abstract

Hydroxyl terminated polybutadiene (HTPB) is the most commonly used binder in Composite Solid Propellants. However, due to its non-energetic characteristic, it is recognized as a dead weight in practice. Therefore, replacing HTPB with an energetic polymer is essential. In this research, nitrated hydroxyl terminated polybutadiene resin (NHTPB) with 12. 2% nitration rate, in combination with HTPB resin was used as binder. Thus, the HTPB propellant base formulation (HB) was prepared as a reference sample and its Physical-Mechanical Properties, Burning Rate, and sensitivity were compared with two other cured formulations: the propellant formulation with binder ratio of 5% NHTPB and 95% HTPB (NH5) and the other with binder ratio of 10% NHTPB and 90% HTPB (NH 10). The results showed that, with increasing NHTPB to HTPB ratio from 5% to 10%, Young's modulus, Burning Rate, impact, and friction sensitivities were increased in comparison to reference propellant. In addition, the cross-linking density, hardness, and tension were decreased.

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APA: Copy

Qane Qarabagh, M., Kebritchi, A., & ASHRAFI, M.. (2018). Properties Comparison of Composite Solid Propellants Based on HTPB and NHTPB/HTPB. JOURNAL OF ENERGETIC MATERIALS, 13(3 (39) ), 153-161. SID. https://sid.ir/paper/397837/en

Vancouver: Copy

Qane Qarabagh M., Kebritchi A., ASHRAFI M.. Properties Comparison of Composite Solid Propellants Based on HTPB and NHTPB/HTPB. JOURNAL OF ENERGETIC MATERIALS[Internet]. 2018;13(3 (39) ):153-161. Available from: https://sid.ir/paper/397837/en

IEEE: Copy

M. Qane Qarabagh, A. Kebritchi, and M. ASHRAFI, “Properties Comparison of Composite Solid Propellants Based on HTPB and NHTPB/HTPB,” JOURNAL OF ENERGETIC MATERIALS, vol. 13, no. 3 (39) , pp. 153–161, 2018, [Online]. Available: https://sid.ir/paper/397837/en

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