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Journal of Polymer Research
Published in: Journal of Polymer Research 9/2015

01-09-2015 | Original Paper

Synthesis, spectroscopic characterization, thermal stability and compatibility properties of energetic PVB-g-GAP copolymers

Authors: Xiaofang Wang, Bo Jin, Rufang Peng, Qingchun Zhang, Wenlin Gong, Hengjian Huang, Shijin Chu, Haishan Dong

Published in: Journal of Polymer Research | Issue 9/2015

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Abstract

A series of new energetic polymers of poly(vinyl benzal acetal)-g-polyglycidylazides (PVB-g-GAPs) were prepared by the cross-linking reactions between poly(vinyl benzal acetal) (PVB) and four different molecular weight polyglycidylazides (GAPs), and their structures were characterized by ATR-FTIR, UV-Vis, 1H NMR and 13C NMR. The glass-transition temperatures of PVB-g-GAPs were evaluated by DSC method and the thermal stabilities of PVB-g-GAPs were tested by DTA and TGA methods. The results indicated that all PVB-g-GAPs exhibited good resistance to thermal decomposition up to 200 °C and the thermal stability order of the four PVB-g-GAPs were PVB-g-2#GAP (246 °C) > PVB-g-3#GAP (244 °C) > PVB-g-4#GAP (236 °C) > PVB-g-1#GAP (231 °C). The glass transition temperatures of PVB-g-GAPs from DSC method suggested that the synthesized copolymers were thermoplastic elastomer. Moreover, the compatibilities of PVB-g-4#GAP with the energetic components of TNT-based melt explosives (HMX, RDX, TNT and TATB) were studied by using the non-isothermal DSC method. The results indicated that PVB-g-4#GAP exhibited good compatibility with TNT, TATB and HMX, and could be safely used in melt cast explosives.
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Metadata
Title
Synthesis, spectroscopic characterization, thermal stability and compatibility properties of energetic PVB-g-GAP copolymers
Authors
Xiaofang Wang
Bo Jin
Rufang Peng
Qingchun Zhang
Wenlin Gong
Hengjian Huang
Shijin Chu
Haishan Dong
Publication date
01-09-2015
Publisher
Springer Netherlands
Published in
Journal of Polymer Research / Issue 9/2015
Print ISSN: 1022-9760
Electronic ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-015-0819-y

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