Research on curing reaction kinetics and curing process of hydroxy-terminated polybutadiene (HTPB) propellants

Hydroxyl-terminated polybutadiene (HTPB) propellants are high-performance solid propellants widely used in aerospace and military applications. By combining experimental and theoretical approaches, the curing process was analyzed using differential scanning calorimetry (DSC) to obtain reaction data...

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Published inScientific reports Vol. 15; no. 1; pp. 21006 - 23
Main Authors Guo, Zhiming, Wang, Yiliang, Chiumsenti, Michele, Wu, Yuheng, Zhen, Shaocong, Liu, Hanwen, Rossi, Riccardo, Fu, Xiaolong
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 01.07.2025
Nature Portfolio
Subjects
639/638/298
639/638/563/980
Curing process
DSC
Finite element analysis
HTPB propellant
Humanities and Social Sciences
multidisciplinary
Science
Science (multidisciplinary)
Thermochemical model
HTPB propellant
Curing process
Finite element analysis
Thermochemical model
DSC
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Abstract Hydroxyl-terminated polybutadiene (HTPB) propellants are high-performance solid propellants widely used in aerospace and military applications. By combining experimental and theoretical approaches, the curing process was analyzed using differential scanning calorimetry (DSC) to obtain reaction data at various heating rates. A thermochemical model and a finite-element model were developed to simulate the curing process, revealing the evolution of temperature and curing degree. The results indicate that higher heating rates significantly accelerate the curing reaction, reducing the curing time. The close agreement between the simulation and experimental data validates the reliability of the model. Future work could expand the model to include additional practical factors, such as material impurities and complex working conditions, to further optimize the HTPB propellant curing process.
AbstractList Abstract Hydroxyl-terminated polybutadiene (HTPB) propellants are high-performance solid propellants widely used in aerospace and military applications. By combining experimental and theoretical approaches, the curing process was analyzed using differential scanning calorimetry (DSC) to obtain reaction data at various heating rates. A thermochemical model and a finite-element model were developed to simulate the curing process, revealing the evolution of temperature and curing degree. The results indicate that higher heating rates significantly accelerate the curing reaction, reducing the curing time. The close agreement between the simulation and experimental data validates the reliability of the model. Future work could expand the model to include additional practical factors, such as material impurities and complex working conditions, to further optimize the HTPB propellant curing process.
Hydroxyl-terminated polybutadiene (HTPB) propellants are high-performance solid propellants widely used in aerospace and military applications. By combining experimental and theoretical approaches, the curing process was analyzed using differential scanning calorimetry (DSC) to obtain reaction data at various heating rates. A thermochemical model and a finite-element model were developed to simulate the curing process, revealing the evolution of temperature and curing degree. The results indicate that higher heating rates significantly accelerate the curing reaction, reducing the curing time. The close agreement between the simulation and experimental data validates the reliability of the model. Future work could expand the model to include additional practical factors, such as material impurities and complex working conditions, to further optimize the HTPB propellant curing process.
Hydroxyl-terminated polybutadiene (HTPB) propellants are high-performance solid propellants widely used in aerospace and military applications. By combining experimental and theoretical approaches, the curing process was analyzed using differential scanning calorimetry (DSC) to obtain reaction data at various heating rates. A thermochemical model and a finite-element model were developed to simulate the curing process, revealing the evolution of temperature and curing degree. The results indicate that higher heating rates significantly accelerate the curing reaction, reducing the curing time. The close agreement between the simulation and experimental data validates the reliability of the model. Future work could expand the model to include additional practical factors, such as material impurities and complex working conditions, to further optimize the HTPB propellant curing process.Hydroxyl-terminated polybutadiene (HTPB) propellants are high-performance solid propellants widely used in aerospace and military applications. By combining experimental and theoretical approaches, the curing process was analyzed using differential scanning calorimetry (DSC) to obtain reaction data at various heating rates. A thermochemical model and a finite-element model were developed to simulate the curing process, revealing the evolution of temperature and curing degree. The results indicate that higher heating rates significantly accelerate the curing reaction, reducing the curing time. The close agreement between the simulation and experimental data validates the reliability of the model. Future work could expand the model to include additional practical factors, such as material impurities and complex working conditions, to further optimize the HTPB propellant curing process.
ArticleNumber 21006
Author Guo, Zhiming
Zhen, Shaocong
Rossi, Riccardo
Liu, Hanwen
Chiumsenti, Michele
Wu, Yuheng
Wang, Yiliang
Fu, Xiaolong
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Issue 1
Keywords HTPB propellant
Curing process
Finite element analysis
Thermochemical model
DSC
Language English
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Snippet Hydroxyl-terminated polybutadiene (HTPB) propellants are high-performance solid propellants widely used in aerospace and military applications. By combining...
Abstract Hydroxyl-terminated polybutadiene (HTPB) propellants are high-performance solid propellants widely used in aerospace and military applications. By...
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SubjectTerms 639/638/298
639/638/563/980
Curing process
DSC
Finite element analysis
HTPB propellant
Humanities and Social Sciences
multidisciplinary
Science
Science (multidisciplinary)
Thermochemical model
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Title Research on curing reaction kinetics and curing process of hydroxy-terminated polybutadiene (HTPB) propellants
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