Fullerene bisadduct stabilizers:The effect of different addition positions on inhibiting the autocatalytic decomposition of nitrocellulose absorbed nitroglycerin
查看参考文献36篇
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文摘
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To explore the effect of different positions and number of pyrrolidine bound to the carbon cage on the stabilization effect of fulleropyrrolidine derivatives to nitrocellulose (NC)/nitroglycerine (NG),we synthesized N-(4-methoxy) phenylpyrrolidine-C_(60) and four different of bis(N-(4-methoxy) phenylpyrrolidine)-C_(60) compounds through Prato reaction.Their structures were characterized by UVevis,~1H NMR,~(13)C NMR,high-resolution mass spectroscopy,and single-crystal X-ray diffraction.Their stabilization effect to NC/NG were investigated using differential scanning calorimetry,methyl violet,vacuum stabilization effect,weight loss,and accelerating rate calorimeter tests.The results indicated these compounds had excellent stabilization effect to NC/NG.The stabilization effect of the fulleropyrrolidine bisadducts to NC/NG is significantly better than that of fulleropyrrolidine monoadduct and C_(60).Moreover,the position where pyrrolidine binds to fullerene in fulleropyrrolidine bisadducts is different,and its stabilization effect to NC is also different.The stabilization effect order of different bisadduct isomers to nitrocellulose is as follows:e-edge >trans-2>cis-2>trans-3.Electron paramagnetic resonance (EPR) and FT-IR were used to study the stabilization mechanism of fulleropyrrolidine derivatives to NC/NG.The EPR results also show that fulleropyrrolidine bisadducts with different addition sites have different abilities to absorb nitroxide,and their ability is better than that of the monoadduct and C_(60),which is consistent with the results of stabilization effect performance test. |
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来源
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Defence Technology
,2021,17(6):1944-1953 【核心库】
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DOI
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10.1016/j.dt.2021.04.015
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关键词
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Fulleropyrrolidine bisadducts
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Stabilization effect
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Nitrocellulose/nitroglycerine
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地址
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School of Materials Science and Engineering,Southwest University of Science and Technology, State Key Laboratory of Environment-friendly Energy Materials, Sichuan, Mianyang, 621010
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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2096-3459 |
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学科
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武器工业 |
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基金
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国家自然科学基金
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Outstanding Youth Science and Technology Talents Program of Sichuan
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Open Project of State Key Laboratory of Environment-friendly Energy Materials,Southwest University of Science and Technology
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文献收藏号
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CSCD:7123418
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