High-Performance Energetic Polymer Composites

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Composites and Nanocomposites".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 1976

Special Issue Editors


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Guest Editor
State Key Laboratory of Environment-friendly Energy Materials, Southwest University of Science and Technology, Mianyang 621010, China
Interests: energetic materials; polymer; carbon nanomaterials; thermal analysis; thermochemistry

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Guest Editor
Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, Bordj-El-Bahri, Bordj-El-Bahri 16046, Algiers, Algeria
Interests: bio-based materials; nanocellulose; nanomaterials; characterization; analytical methods; thermal analysis; kinetics; advanced materials; nanoenergetic materials; propellant; energetic materials; multifunctional polymer composites and nanocomposites
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Special Issue Information

Dear Colleagues,

Energetic polymers have important application value in propellants and plastic-bonded explosives. The synthesis and application of energetic polymers have attracted significant attention from researchers of energetic materials all over the world and developed rapidly in recent decades. Energetic polymeric binders have thus become a hot topic, especially specified polymers with energetic functional groups containing azido, nitro, geminal difluoroamino groups, and fluorine. 

This Special Issue is aimed at providing selected contributions on advances in the synthesis, characterization, functionalization, and applications of energetic polymer composites. 

Potential topics include but are not limited to:

  • Synthesis and characterization of energetic binders;
  • Energetic polymer composites;
  • Application of energetic polymers;
  • Recent advances of energetic polymer composites;

Future perspectives for energetic polymer composites.

Prof. Dr. Bo Jin
Dr. Djalal Trache
Guest Editors

Manuscript Submission Information

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Keywords

  • energetic polymers
  • energetic polymer composites
  • high performance
  • synthesis
  • characterization
  • applications

Published Papers (1 paper)

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Research

12 pages, 2952 KiB  
Article
Synthesis and Characterization of Random Block Hydroxyl-Terminated Polyfluoroether-Based Polyurethane Elastomers with Fluorine-Containing Side Chains
by Yanqiu Zhou, Junjie Chen, Limin Zhang, Hui Huang, Rufang Peng and Bo Jin
Polymers 2023, 15(2), 288; https://doi.org/10.3390/polym15020288 - 6 Jan 2023
Viewed by 1496
Abstract
Polype ntafluoropropane glycidyl ether (PPFEE), a new random block hydroxyl-terminated polyfluoroether, was synthesized successfully by cationic ring-opening polymerization of 2-(2,2,3,3,3-pentafluoropropoxymethyl) oxirane, and its molecular structure was confirmed by Fourier transform infrared spectroscopy, nuclear magnetic resonance spectrometry, and gel permeation chromatography. The PPFEE-based polyurethane [...] Read more.
Polype ntafluoropropane glycidyl ether (PPFEE), a new random block hydroxyl-terminated polyfluoroether, was synthesized successfully by cationic ring-opening polymerization of 2-(2,2,3,3,3-pentafluoropropoxymethyl) oxirane, and its molecular structure was confirmed by Fourier transform infrared spectroscopy, nuclear magnetic resonance spectrometry, and gel permeation chromatography. The PPFEE-based polyurethane elastomers featuring fluorine in their side chains were prepared using PPFEE as soft segments, polyisocyanate polyaryl polymethylene isocyanate as hard segments, and dibutyltin dilaurate as catalysts under different curing conditions. The microphase separation, mechanical performance, and thermal behavior of the elastomers were investigated by differential scanning calorimetry, uniaxial tensile test, and thermal gravimetric analysis, respectively. Based on the results, the percentage of hard segments dissolved into the soft segments of elastomers was opposite to the change in breaking strength. The PPFEE-based polyurethane elastomer cured with 20 wt% PAPI at the curing temperature of 50 °C displayed the maximum tensile elongation of 2.26 MPa with an elongation at break of nearly 150%. The increased contents of PAPI can effectively strengthen the tensile strength, and the maximum tensile elongation was 3.04 MPa with an elongation at break of nearly 90% when the content of PAPI was 26 wt%. In addition, the PPFEE-based polyurethane elastomers exhibited excellent resistance to thermal decomposition and a sharp weight loss temperature at around 371 °C. All the results demonstrated that the PPFEE may be a potential polymeric binder as one of the ingredients applied to future propellant formulations. Full article
(This article belongs to the Special Issue High-Performance Energetic Polymer Composites)
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