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Research Progress and Prospect of Branched Glycidyl Azide Polymer

1.Liming Research & Design Institute of Chemical Industry Co., Ltd., Luoyang 471000, China;2.Analysis and Test Center, Southwest University of Science and Technology, Mianyang 621000, China

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    Branched glycidyl azide polymer (BGAP) has higher relative molecular mass, wider adjustment range of hydroxyl functionality (f), higher heat of formation and lower viscosity than linear glycidyl azide polymer (GAP). It can increase the energy level, and improve the processing and mechanical properties of the composite solid propellant. Therefore it has become a hot research topic in the field of the azido polyether binder. However, the essentially important key to obtain high quality BGAP energetic binder is how to control and regulate some structural parameters such as hydroxyl functionality, molecular weight and molecular weight distribution. This paper illustrates two synthetic methods and processes of BGAP, proposes the possible reaction mechanism, and summarizes the progress in performance research. Some problems and deficiencies are pointed out. Finally, the development prospects of BGAP in the field of synthesis and performance research are forecasted. It is concluded that optimizing the extraction procedure after reaction, improving the throughput per run, and strengthening the studies in fundamental performance and application will be the focuses in future researches.

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YAN Yi-teng, SUN Shan-hu, LIU Shan, et al. Research Progress and Prospect of Branched Glycidyl Azide Polymer[J]. Chinese Journal of Energetic Materials(Hanneng Cailiao),DOI:10.11943/CJEM2023262.

  • Received:December 13,2023
  • Revised:April 15,2024
  • Adopted:April 07,2024
  • Online: April 08,2024
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