Готові списки джерел за темами / High-nitrogen energetic compounds

Добірка наукової літератури з теми "High-nitrogen energetic compounds"

Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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Статті в журналах з теми "High-nitrogen energetic compounds"

Klapötke, Thomas M., and Carles Miró Sabaté. "Bistetrazoles: Nitrogen-Rich, High-Performing, Insensitive Energetic Compounds." Chemistry of Materials 20, no. 11 (June 2008): 3629–37. http://dx.doi.org/10.1021/cm703657k.

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Yang, Xiaoming, Xinyu Lin, Yanna Wang, Lin Wang, Weijing Zhang, Zhimin Li, and Tonglai Zhang. "TACOT-derived new nitrogen rich energetic compounds: synthesis, characterization and properties." New Journal of Chemistry 43, no. 48 (2019): 19180–85. http://dx.doi.org/10.1039/c9nj04613e.

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Two novel TACOT derivatives, compounds 7 and 8, were synthesized and characterized. Compound 7 is suggested as a heat-resistant explosive, and compound 8 is a potential nitrogen-rich high energetic material with excellent positive heat of formation of 1053 kJ mol⁻¹.

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Luo, Yiming, Wanwan Zheng, Xuanjun Wang, and Fei Shen. "Nitrification Progress of Nitrogen-Rich Heterocyclic Energetic Compounds: A Review." Molecules 27, no. 5 (February 22, 2022): 1465. http://dx.doi.org/10.3390/molecules27051465.

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As a momentous energetic group, a nitro group widely exists in high-energy-density materials (HEDMs), such as trinitrotoluene (TNT), 1,3,5-triamino-2,4,6-trinitrobenzene (TATB), cyclo-1,3,5-trimethylene-2,4,6-trinitramine (RDX), etc. The nitro group has a significant effect on improving the oxygen balance and detonation performances of energetic materials (EMs). Moreover, the nitro group is a strong electron-withdrawing group, and it can increase the acidity of the acidic hydrogen-containing nitrogen-rich energetic compounds to facilitate the construction of energetic ionic salts. Thus, it is possible to design nitro-nitrogen-rich energetic compounds with adjustable properties. In this paper, the nitration methods of azoles, including imidazole, pyrazole, triazole, tetrazole, and oxadiazole, as well as azines, including pyrazine, pyridazine, triazine, and tetrazine, have been concluded. Furthermore, the prospect of the future development of nitrogen-rich heterocyclic energetic compounds has been stated, so as to provide references for researchers who are engaged in the synthesis of EMs.

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Fu, Zhanda, Yang Wang, Li Yang, Rui Su, Jun Chen, Fude Nie, Jinglun Huang, and Fu-Xue Chen. "Synthesis and characteristics of novel, high-nitrogen 1,2,4-oxadiazoles." RSC Adv. 4, no. 23 (2014): 11859–61. http://dx.doi.org/10.1039/c4ra00255e.

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Devi, Alka, and Vikas D. Ghule. "Theoretical investigation of (tetrazine-3,6diyl) dihydrazinecarboxamide-based high-nitrogen-containing energetic macromolecules." Journal of Theoretical and Computational Chemistry 17, no. 04 (June 2018): 1850028. http://dx.doi.org/10.1142/s0219633618500281.

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Density-function-theory calculations were performed to find the performance of a series of 2,2’-(1,2,4,5-tetrazine-3,6diyl) dihydrazinecarboxamide-based nitrogen-rich macrocyclic compounds as an energetic plasticizer. Reliable methods have been used to predict energetic properties such as gas-phase and solid-phase heat of formation (HOF), density, detonation velocity, detonation pressure, explosive power, heat of combustion, heat of detonation, specific impulse, flame temperature, brisance, and sensitivity. All the designed macrocycles possess a nitrogen content of over 48%. The designed compounds show positive HOFs and high predicted densities ranging from 1.81[Formula: see text]g/cm3 to 1.86[Formula: see text]g/cm3. The predicted properties were compared with GAP, polyGLYN and their monomers which establish the designed macrocycles of interest for further investigations concerning their suitability as plasticizers in energetic formulations.

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Pu, Keyu, Linyuan Wang, Jian Liu, and Kai Zhong. "Theoretical design of bis-azole derivatives for energetic compounds." RSC Advances 10, no. 22 (2020): 13185–95. http://dx.doi.org/10.1039/d0ra00385a.

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Bis-azole derivatives are a new class of energetic materials with features that include high nitrogen content, high heat of formation (HOF), high detonation performance and insensitivity to external stimuli.

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Wang, Guodong, Jing Suming, Guoqing Liu, and Xingyong Gao. "Review on the Synthesis and Properties of the Energetic Compound Containing Boron." Current Organic Chemistry 24, no. 10 (August 11, 2020): 1097–107. http://dx.doi.org/10.2174/1385272824999200516180719.

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Boron possesses the second greatest heating value of any element that can be adopted as an energetic material in the processing of propellants and explosives. It has become the first choice as a high energy fuel for solid fuel-rich propellants because of its advantages of high theoretical combustion heat. In the actual condition, the combustion efficiency of boron-containing fuel-rich propellants is low, and the potential energy of boron cannot be fully utilized. The compound containing-boron can be used as a new way to improve the combustion efficiency of fuel-rich propellants. In this paper, the progress in the synthesis of energetic borides is reviewed from the perspectives of molecular design, synthesis strategy and route optimization. The situation of the synthesis methods of energetic borides (nitrogen-rich boron esters, poly(azole)borates, nitroboranes, nitrogen-rich borazines and azide boron compounds) is reviewed. The research focus and development trend of various boron compounds are analyzed, and the potential application prospect in the propellant is investigated.

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Oxley, Jimmie C., James L. Smith, and Heng Chen. "Thermal decomposition of high-nitrogen energetic compounds—dihydrazido-S-tetrazine salts." Thermochimica Acta 384, no. 1-2 (February 2002): 91–99. http://dx.doi.org/10.1016/s0040-6031(01)00780-8.

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Wang, Jinghua, Meng Cai, Fengqi Zhao, and Kangzhen Xu. "A Review on the Reactivity of 1-Amino-2-Nitroguanidine (ANQ)." Molecules 24, no. 19 (October 8, 2019): 3616. http://dx.doi.org/10.3390/molecules24193616.

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Анотація:

1-Amino-2-nitroguanidine (ANQ) is a high-energy nitrogen-rich compound with good detonation properties and low sensitivities. ANQ has only a central carbon atom with three small groups around it, including an amino, a hydrazine and a nitroxyl group. Though the molecular structure of ANQ is very simple, its reactivity is surprisingly abundant. ANQ can undergo various reactions, including reduction reaction, acylation reaction, salification reaction, coordination reaction, aldimine condensation reaction, cyclization reaction and azide reaction. Many new energetic compounds were purposely obtained through these reactions. These reactions were systematically summarized in this review, and detonation properties of some energetic compounds were compared. In the field of energetic materials, ANQ and some derivatives exhibit good application prospects.

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Devi, Alka, and Vikas D. Ghule. "Hydroxide derivatives of tetrazole: computational design approach for high-energy materials." Canadian Journal of Chemistry 94, no. 9 (September 2016): 738–43. http://dx.doi.org/10.1139/cjc-2016-0274.

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Анотація:

Based on the backbone of the nitrogen-rich triazole and tetrazole structure, their N–OH derivatives were designed to improve the properties of energetic materials. This work introduces five novel nitrogen-rich derivatives and their energetic salts as high-performance compounds. Reliable methods and correlations are used to predict the heat of formation, density, detonation, and combustion properties and explosive power. The predicted energetic properties are also compared with well-known explosives, TNT, TATB, RDX, and HMX, to evaluate the performance. A majority of the designed salts exhibited high positive heats of formation, good detonation properties, and high explosive power. Ammonium, hydrazinium, and hydroxylammonium salts (1–3), which have relatively high densities (over 1.86 g/cm3), resulted in good detonation velocities (above 9.0 km/s) and pressures (above 35 GPa), making them competitive energetic materials.

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Більше джерел

Дисертації з теми "High-nitrogen energetic compounds"

(10692975), Matthew Gettings. "Chemistry of Complex High-Nitrogen Materials." Thesis, 2021.

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Анотація:

Chemistry of Complex High-Nitrogen Materials begins with a brief background on a few high explosive materials and their applications, followed by synthesis routes and characterization methods of energetic materials. Several new complex high-nitrogen materials where synthesized and presented in the following chapters. These novel energetics include several nitrilimines, triazoles, tetrazoles, methyl sydnone imines, azasydnones, and an annulated heterocycle. Their energetic properties are discussed and compared with other well-known explosive materials.

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