Energetic Materials Frontiers最新文献_第5页

CL-20 analogues: Structure - Thermal stability/decomposition mechanism relationships CL-20 类似物：结构-热稳定性/分解机理关系

Energetic Materials Frontiers Pub Date : 2024-03-01 DOI: 10.1016/j.enmf.2024.02.008

Valery P. Sinditskii , Nikolai V. Yudin , Valery V. Serushkin , Anna O. Gubina , Anastasia D. Smirnova , Vladimir V. Parakhin , Gennadii A. Smirnov , Kyrill Yu Suponitsky , Aleksei B. Sheremetev

{"title":"CL-20 analogues: Structure - Thermal stability/decomposition mechanism relationships","authors":"Valery P. Sinditskii , Nikolai V. Yudin , Valery V. Serushkin , Anna O. Gubina , Anastasia D. Smirnova , Vladimir V. Parakhin , Gennadii A. Smirnov , Kyrill Yu Suponitsky , Aleksei B. Sheremetev","doi":"10.1016/j.enmf.2024.02.008","DOIUrl":"10.1016/j.enmf.2024.02.008","url":null,"abstract":"<div>The thermal decomposition of a number of analogues of hexanitrohexaazaisowurtzitan (CL-20), in where one or more N-nitro groups have been replaced by another explosophoric unit (diverse N-alkylnitramine groups or N- trinitroethyl), has been studied by methods of isothermal and non-isothermal kinetics. It was found that replacing the N-nitro group with even a more thermally stable substituent leads to a decrease in the stability of the nitrated hexaazaisowurtzitane framework. It was suggested that the substituent distorts the symmetry of the strained hexaazaisowurtzitane cage, which affects the strength of the N–NO2 bond. When a substituent less stable than the N-nitro group in the parent CL-20 is installed, the initial stage of degradation is determined by the decomposition kinetics of this substituent. One of the objects of this study, 4,10-dinitro-2,6,8,12-tetrakis (2,2,2-trinitroethyl) −2,4,6,8,10,12-hexaazaisowurtzitane (8), was synthesized for the first time; it was fully characterized and also confirmed by X-ray structural data.</div>","PeriodicalId":34595,"journal":{"name":"Energetic Materials Frontiers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666647224000113/pdfft?md5=ce24d3f5af250653176eb76dc518d98b&pid=1-s2.0-S2666647224000113-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139988367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

N-Acetonitrile functionalized 3-nitrotriazole: Precursor to nitrogen rich stable and insensitive energetic materials N-乙腈官能化 3-硝基三唑：富氮稳定不敏感高能材料的前体

Energetic Materials Frontiers Pub Date : 2024-03-01 DOI: 10.1016/j.enmf.2024.01.003

Prachi Bhatia, Peddapothula Sahithi Priya, Priyanka Das, Dheeraj Kumar

{"title":"N-Acetonitrile functionalized 3-nitrotriazole: Precursor to nitrogen rich stable and insensitive energetic materials","authors":"Prachi Bhatia, Peddapothula Sahithi Priya, Priyanka Das, Dheeraj Kumar","doi":"10.1016/j.enmf.2024.01.003","DOIUrl":"10.1016/j.enmf.2024.01.003","url":null,"abstract":"<div>In the field of energetic materials, prime attention has been given to the synthesis of environmentally compatible energetic materials having an adequate balance between energy and stability. For this purpose, nitrogen-rich heterocyclic rings have contributed as pivotal frameworks. Nitro-functionalized 1,2,4-triazoles have been profusely used as a constituent for synthesizing high-performing energetic materials (EMs) due to their high nitrogen content, good thermal stability, and modifiable sites via functionalization. Combination with a different energetic scaffold may provide an opportunity for accessible tailoring. In this work, in an effort to investigate the potential of 3-nitrotriazoles, its N-acetonitrile derivative 2 was synthesized, which was further converted to various explosophores. N-methylene-C bridged asymmetrically connected tetrazole (3) and 1,2,4-oxadiazole (9 and 10) based EMs have been synthesized. Further tuning of energetic properties via salt formation strategy was employed for the synthesis of compounds 4–7, 11 and 12. 1,2,4-oxadiazole-based compound 9 was also confirmed via X-ray diffraction analysis, and 10 was analyzed with 15N NMR spectroscopy. Compounds 3, 4, 5, 7 and 9 exhibited high thermal stabilities and were found to be insensitive towards impact and friction. Compounds 5, 6, and 10 exhibited detonation performance comparable to the conventional insensitive explosive TATB.</div>","PeriodicalId":34595,"journal":{"name":"Energetic Materials Frontiers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666647224000101/pdfft?md5=2befe2433c5a4d29450479e53c21fd68&pid=1-s2.0-S2666647224000101-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139951952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

3,7-Dinitroimidazo[1,2-b]pyridazine-6,8-diamine: A promising building block for advanced heat-resistant and low-sensitivity energetic materials 3,7-二硝基咪唑并[1,2-b]哒嗪-6,8-二胺：先进耐热和低敏感高能材料的理想构件

Energetic Materials Frontiers Pub Date : 2024-03-01 DOI: 10.1016/j.enmf.2024.02.003

Jing Feng , Jie Sun , Lei Yang , Zhen-qi Zhang , Yang Liu , Qing Ma , Li-shuang Hu

{"title":"3,7-Dinitroimidazo[1,2-b]pyridazine-6,8-diamine: A promising building block for advanced heat-resistant and low-sensitivity energetic materials","authors":"Jing Feng , Jie Sun , Lei Yang , Zhen-qi Zhang , Yang Liu , Qing Ma , Li-shuang Hu","doi":"10.1016/j.enmf.2024.02.003","DOIUrl":"10.1016/j.enmf.2024.02.003","url":null,"abstract":"<div>Constructing heat-resistant fused heterocyclic compounds is increasingly fascinating in the field of energetic materials due to their excellent energy, high thermal stability, and low sensitivity, as well as high density in general. This study synthesized a novel heat-resistant explosive based on the imidazo [1,2-b]pyridazine fused ring，3,7-dinitroimidazo [1,2-b]pyridazine-6,8-diamine (5)，using a three-step facile method. This compound exhibited a high density (1.856 g cm−3) and low mechanical sensitivities (IS = 40 J, FS = 350 N). Meanwhile, it displayed a higher thermal decomposition temperature of 324 °C compared to conventional heat-resistant explosive HNS (Td = 318 °C). In addition, it demonstrated significantly higher detonation performance (D = 8336 m s−1, p = 27.25 GPa) than both TNT (D = 6881 m s−1, p = 19.5 GPa) and HNS (D = 7612 m s−1, p = 24.3 GPa). Theoretical analysis shows that the intramolecular hydrogen bonding interactions of NH2–NO2–NH2 might be the main reason for the heat resistance of energetic materials based on the imidazo [1,2-b]pyridazine fused ring. The results of this study suggest that compound 5 is a promising building block and a candidate for heat-resistant energetic materials.</div>","PeriodicalId":34595,"journal":{"name":"Energetic Materials Frontiers","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666647224000046/pdfft?md5=9e766e598dae0d3ef17fcad7727fdaf5&pid=1-s2.0-S2666647224000046-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139926593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A density functional theory investigation of the substituent effect on acyclovir and guanine derivatives for applications on energetic materials 对阿昔洛韦和鸟嘌呤衍生物取代基效应的密度泛函理论研究，以应用于高能材料

Energetic Materials Frontiers Pub Date : 2024-02-23 DOI: 10.1016/j.enmf.2024.01.002

Luciana Amorim da Silva, Gabriel Monteiro-de-Castro, Erick Galante, Itamar Borges Jr, Aline Cardoso Anastácio

引用次数: 0

A new sulfur-containing laser-sensitive primary explosive based on thiazole-4-carbohydrazide 基于噻唑-4-甲酰肼的新型含硫激光敏感原爆物

Energetic Materials Frontiers Pub Date : 2024-02-01 DOI: 10.1016/j.enmf.2024.02.005

Chao Zhang, Ting-wei Wang, Zu-jia Lu, Zhen-xin Yi, Meiqi Xu, Yan Li, Qi-yao Yu, Zhi-min Li, Jian-guo Zhang

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Packing coefficient determining the packing density difference of CHON-containing isomers 决定含 CHON 异构体堆积密度差异的堆积系数

Energetic Materials Frontiers Pub Date : 2024-02-01 DOI: 10.1016/j.enmf.2024.02.004

Yaoyao Linghu, Chaoyang Zhang

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Packing coefficient determining the packing density difference of CHON-containing isomers 决定含 CHON 异构体堆积密度差异的堆积系数

Energetic Materials Frontiers Pub Date : 2024-02-01 DOI: 10.1016/j.enmf.2024.02.004

Yaoyao Linghu, Chaoyang Zhang

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Auto-ignition of ionic liquid fuels with hydrogen peroxide triggered by copper-containing liquid promoter 含铜液体促进剂引发过氧化氢离子液体燃料自燃

Energetic Materials Frontiers Pub Date : 2024-02-01 DOI: 10.1016/j.enmf.2024.02.006

Si-cheng Liao, Tian-lin Liu, Zhi-yu Zhou, Kang-cai Wang, Qin-ghua Zhang

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Cover Story 封面故事

Energetic Materials Frontiers Pub Date : 2024-01-30 DOI: 10.1016/s2666-6472(23)00074-x

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Graphical Abstract 图表摘要

Energetic Materials Frontiers Pub Date : 2024-01-30 DOI: 10.1016/s2666-6472(23)00075-1

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