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Polymers
Volume 12
Issue 2
10.3390/polym12020278
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Article

The Effect of Glycidyl Azide Polymer Grafted Tetrafunctional Isocyanate on Polytriazole Polyethylene Oxide-Tetrahydrofuran Elastomer and its Propellant Properties

by
Jinghui Hu
,
Weiqiang Tang
,
Yonghui Li
,
Jiyu He
*,
Xiaoyan Guo
* and
Rongjie Yang
School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
*
Authors to whom correspondence should be addressed.
Polymers 2020, 12(2), 278; https://doi.org/10.3390/polym12020278
Submission received: 3 December 2019 / Revised: 28 December 2019 / Accepted: 6 January 2020 / Published: 31 January 2020
(This article belongs to the Special Issue Polymer Matrix Composites for Advanced Applications II)
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Abstract

A new energetic curing reagent, Glycidyl azide polymer grafted tetrafunctional isocyanate (N100-g-GAP) was synthesized and characterized by FT-IR and GPC approaches. Polytriazole polyethylene oxide-tetrahydrofuran (PTPET) elastomer was prepared by N100-g-GAP and alkynyl terminated polyethylene oxide-tetrahydrofuran (ATPET). The resulting PTPET elastomer was fully characterized by TGA, DMA, FTIR and mechanical test. The above analysis indicates that PTPET elastomers using N100-g-GAP as curing reagent have the potential for use in propellants. The overall formulation test of the composite propellants shows that this curing system can effectively enhance mechanical strength and bring a significant improvement in the interface interaction between the RDX & AP particles and binder matrix.
Keywords: polytriazole polyethylene oxide-tetrahydrofuran (PTPET); propellants; curing reagent; bonding polytriazole polyethylene oxide-tetrahydrofuran (PTPET); propellants; curing reagent; bonding
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MDPI and ACS Style

Hu, J.; Tang, W.; Li, Y.; He, J.; Guo, X.; Yang, R. The Effect of Glycidyl Azide Polymer Grafted Tetrafunctional Isocyanate on Polytriazole Polyethylene Oxide-Tetrahydrofuran Elastomer and its Propellant Properties. Polymers 2020, 12, 278. https://doi.org/10.3390/polym12020278

AMA Style

Hu J, Tang W, Li Y, He J, Guo X, Yang R. The Effect of Glycidyl Azide Polymer Grafted Tetrafunctional Isocyanate on Polytriazole Polyethylene Oxide-Tetrahydrofuran Elastomer and its Propellant Properties. Polymers. 2020; 12(2):278. https://doi.org/10.3390/polym12020278

Chicago/Turabian Style

Hu, Jinghui, Weiqiang Tang, Yonghui Li, Jiyu He, Xiaoyan Guo, and Rongjie Yang. 2020. "The Effect of Glycidyl Azide Polymer Grafted Tetrafunctional Isocyanate on Polytriazole Polyethylene Oxide-Tetrahydrofuran Elastomer and its Propellant Properties" Polymers 12, no. 2: 278. https://doi.org/10.3390/polym12020278

APA Style

Hu, J., Tang, W., Li, Y., He, J., Guo, X., & Yang, R. (2020). The Effect of Glycidyl Azide Polymer Grafted Tetrafunctional Isocyanate on Polytriazole Polyethylene Oxide-Tetrahydrofuran Elastomer and its Propellant Properties. Polymers, 12(2), 278. https://doi.org/10.3390/polym12020278

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