Multistage Thermal Decomposition Kinetics of Glycidyl Azide Polymer-Based Thermoplastic Elastomers: A Constrained Deconvolution Approach.

Zhu Wang, Haoyu Yu, Shanjun Ding, Wenhao Liu, Shuai Zhao, Yunjun Luo

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Article in Polymers, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Zhu WangSchool of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China.

Haoyu YuAVIC Manufacturing Technology Institute, Beijing 100024, China.ORCID 0000-0001-8589-7299

Shanjun DingSchool of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China.ORCID 0000-0001-7538-4713

Wenhao LiuSchool of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China.

Shuai ZhaoSchool of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China.

Yunjun LuoSchool of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China.ORCID 0000-0001-6927-2635

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Glycidyl azide polymer (GAP)-based polyurethane, a kind of energetic thermoplastic elastomer (ETPE), is a promising binder for advanced solid propellants, but its thermal decomposition involves overlapping competitive reactions that conventional single-step kinetic models cannot characterize accurately, limiting its engineering applications. To address this limitation, a constrained asymmetric Gaussian deconvolution strategy with fixed peak area ratios and shape constraints was developed in this work. This strategy was applied to resolve overlapping reaction rate curves converted from derivative thermogravimetric data of GAP-based ETPEs with 50 wt% GAP content at four heating rates of 5, 10, 15 and 20 K·min

Indexed as

activation energyasymmetric gaussian functionconstrained deconvolutionglycidyl azide polymerpre-exponential factorthermal decomposition

Identifiers

PMID41829364

DOI10.3390/polym18050666

PMCPMC12986969

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.