A study on the effect of four thermoplastic elastomers on the properties of double-base propellants

Xiaobin Zou, Wenguo Zhang, Yongjun Gu, Xiuchong Fu, Zehao Zhang, Zhen Ge, Yunjun Luo

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

To improve the low-Temperature mechanical properties of double-base propellants, glycidyl azide polymer-energetic thermoplastic elastomer (GAP-ETPE), polyether block copolyimide-Thermoplastic elastomer (PEBA-TPE), 1,2-polybutadiene thermoplastic elastomer (PB-TPE), and ethylene oxide-Tetrahydrofuran copolyester-Thermoplastic elastomer (PET-TPE) were used to modify them. The effects of these four thermoplastic elastomers (TPEs) on the energy properties of double-base propellants were studied via theoretical calculations. The mechanical properties of double-base propellants at high, low, and room temperature were compared, and their thermal properties were analyzed. It was found that GAP-ETPE had a significant effect on improving the low-Temperature mechanical properties of double-base propellants, with the maximum tensile strength and maximum elongation at a low temperature for the double-base propellant reaching 43.30 MPa and 6.24%, respectively.

Original languageEnglish
Pages (from-to)42883-42889
Number of pages7
JournalRSC Advances
Volume10
Issue number70
DOIs
Publication statusPublished - 25 Nov 2020

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