An Electrospun Preparation of the NC/GAP/Nano-LLM-105 Nanofiber and Its Properties

Luo, Tingting; Wang, Yi; Huang, Hao; Shang, Feifei; Song, Xiaolan

doi:10.3390/nano9060854

Cited by 47 publications

(18 citation statements)

References 35 publications

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“…We also know that H must be present, although the EDS test cannot detect it. Therefore, it can be concluded that the sample is consistent with the elemental composition of raw materials, and no impurities were introduced during the preparation process [17, 28–30].…”

Section: Resultsmentioning

confidence: 67%

Characterization, Thermolysis, and Energetic Properties of an MTNP/PETN Eutectic Prepared via the Solvent/Anti‐Solvent Method

Kou

Song

Guo

et al. 2020

Propellants Explo Pyrotec

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In this article, a eutectic mixture was prepared by mixing 1‐methyl‐3,4,5‐trinitropyrazole (MTNP) and pentaerythritol tetranitrate (PETN) by a new method. The T−X phase diagram and H−X phase diagram were obtained by means of DSC analysis, and then the ratio of the eutectic was obtained. All systems displayed simple eutectic behavior. Energy‐dispersive X‐ray spectroscopy (EDS), X‐ray diffraction (XRD), Fourier transform infrared (IR) spectroscopy, and X‐ray photoelectron spectroscopy (XPS) were performed to characterize the structure of the eutectic. Thermodynamic analysis and TG‐MS tests were carried out to explore the thermal decomposition of the eutectic. Then, the mechanical sensitivity and thermal sensitivity of the raw materials and the eutectic were tested, and the detonation performance was also calculated. The results show that the compatibility of the components of the eutectic is not perfect because of the intermolecular forces between the raw materials. Thermal the decomposition products are mainly H2, H2O, N2, CO, NO, N2O and CO2 and a small amount of CH4. The eutectic has the characteristics of high energy and insensitivity and is expected to replace TNT‐based molten cast explosives.

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Section: Resultsmentioning

confidence: 67%

Characterization, Thermolysis, and Energetic Properties of an MTNP/PETN Eutectic Prepared via the Solvent/Anti‐Solvent Method

Kou

Song

Guo

et al. 2020

Propellants Explo Pyrotec

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“…This is because AN itself is a very insensitive, energetic material. Of course, these results are not consistent with the results reported by Luo or Dobrynin [31,32]. In Luo’s work, the addition of nano LLM-105 was beneficial as it decreased the impact sensitivity of NC/GAP (nitrocellulose/glycidyl azide polymer) fibers, and in Dobrynin’s work nano NC presented lower friction sensitivity than micron NC.…”

Section: Resultsmentioning

confidence: 69%

Nanometer Ammonium Perchlorate and Ammonium Nitrate Prepared with 2D Network Structure via Rapid Freezing Technology

Wang

Song

2019

Nanomaterials

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Nanometer (nano) ammonium perchlorate (AP) and ammonium nitrate (AN) were prepared with 2D network structures by the ultra-low temperature spray method. Scanning electron microscopy (SEM), X-ray diffractometry (XRD), differential scanning calorimetry (DSC) and thermogravimetric analysis/infrared spectrometry (TG-IR) were employed to probe the micron structure, crystal phase, and thermal decomposition of nano AP and nano AN. SEM images revealed that the sizes of nano AP and AN were in the nanometer scale (<100 nm) in one dimension. XRD patterns showed that the crystal phases of nano AP and AN were in accordance with those of raw AP and raw AN, respectively. DSC traces indicated that the thermal decomposition process of AP depended on its particle size, while the thermolysis of AN was independent of the particle size of AN. TG-IR analyses illustrated that the decomposition products of nano AP were NO2, N2O, HCl and H2O, with a small amount of NOCl, and the main decomposition products of nano AN were N2O and H2O, with a small amount of NH3. The results of mechanical sensitivity tests indicated that nano AP was more sensitive than raw AP and both nano AN and raw AN were very insensitive to impact and friction stimuli.

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“…Unfortunately, the nanoexplosive particles are easily agglomerated to units, which can not only bring down the energy performance but also encounter the processing technology problems of CL-20 used in propellants and explosives. 22 While, another kind of nanoenergetics, nanoenergetic composite materials (nEMs), has exhibited superior energy density, uniform dispersion, heat release, reactivity, and combustion performance during the recent years compared with single nanoenergetics. Hence, among the many kinds of fabrication approaches developed so far, the sol–gel technology exhibits outstanding advantages of low-temperature preparation and easy control over the stoichiometry and homogeneity to synthesize nEMs.…”

Section: Introductionmentioning

confidence: 99%

Safe Fabrication, Thermal Decomposition Kinetics, and Mechanism of Nanoenergetic Composite NBC/CL-20

Chen

Liu

2020

ACS Omega

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Benefiting from the sol−gel technology and vacuum freeze-drying technology, a novel nanoenergetic composite material nitrated bacterial cellulose (NBC)/CL-20 (hexanitrohexaazaisowurtzitane) has been fabricated. The thermal decomposition kinetic and mechanism have been studied by thermogravimetric analysis−differential scanning calorimetry (TG−DSC) under nonisothermal conditions in a nitrogen atmosphere at multiple heating rates; the process and mechanism of thermal decomposition of NBC/CL-20 1:1 have also been probed by TG−DSC−IR. The kinetic and thermodynamic parameters, such as activation energy (E a ), per-exponent factor (ln A K ), rate constant (k), activation heat (ΔH ⧧ ), activation free energy (ΔG ⧧ ), and activation entropy (ΔS ⧧ ) are calculated. The results indicate that NBC/CL-20 presents much lower activation energy than both of raw NBC and raw NC, and NBC/CL-20 1:1 exhibits superior thermal performance of heat release and E a . Moreover, there the existence mechanism has also been probed between NBC and CL-20 during the process of thermal decomposition. The structure and composition have been characterized by a series of characterization methods and indicate that CL-20 has been embedded homogenously in the NBC gel matrix with a prominent porous cross-linked network structure. The impact and friction sensitivities have also been decreased. The whole process effectively avoids high temperatures, and thus ensures operational safety.

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An Electrospun Preparation of the NC/GAP/Nano-LLM-105 Nanofiber and Its Properties

Cited by 47 publications

References 35 publications

Characterization, Thermolysis, and Energetic Properties of an MTNP/PETN Eutectic Prepared via the Solvent/Anti‐Solvent Method

Characterization, Thermolysis, and Energetic Properties of an MTNP/PETN Eutectic Prepared via the Solvent/Anti‐Solvent Method

Nanometer Ammonium Perchlorate and Ammonium Nitrate Prepared with 2D Network Structure via Rapid Freezing Technology

Safe Fabrication, Thermal Decomposition Kinetics, and Mechanism of Nanoenergetic Composite NBC/CL-20

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