Thermal hazard evaluation on spontaneous combustion characteristics of nitrocellulose solution under different atmospheric conditions

Nitrocellulose (NC) is widely used in both military and civilian fields. Because of its high chemical sensitivity and low decomposition temperature, NC is prone to spontaneous combustion. Due to the dangerous properties of NC, it is often dissolved in other organic solvents, then stored and transpor...

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Bibliographic Details
Published in:Scientific reports 2021-12, Vol.11 (1), p.24053-24053, Article 24053
Main Authors: Li, Zhi-Ping, Jiang, Jun-Cheng, Huang, An-Chi, Tang, Yan, Miao, Chun-Feng, Zhai, Juan, Huang, Chung-Fu, Xing, Zhi-Xiang, Shu, Chi-Min
Format: Article
Language:English
Subjects:
639/166
639/4077
639/638
Atmospheric conditions
Civil engineering
Combustion
Decomposition
Experiments
Explosions
Gas flow
Heat
Humanities and Social Sciences
multidisciplinary
Nitrogen
Organic solvents
Oxygen
Raw materials
Science
Science (multidisciplinary)
Thermal analysis
Thermal stability
Thermogravimetric analysis
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Summary:Nitrocellulose (NC) is widely used in both military and civilian fields. Because of its high chemical sensitivity and low decomposition temperature, NC is prone to spontaneous combustion. Due to the dangerous properties of NC, it is often dissolved in other organic solvents, then stored and transported in the form of a solution. Therefore, this paper took NC solutions (NC-S) with different concentrations as research objects. Under different atmospheric conditions, a series of thermal analysis experiments and different reaction kinetic methods investigated the influence of solution concentration and oxygen concentration on NC-S’s thermal stability. The variation rules of NC-S’s thermodynamic parameters with solution and oxygen concentrations were explored. On this basis, the spontaneous combustion characteristics of NC-S under actual industrial conditions were summarized to put forward the theoretical guidance for the spontaneous combustion treatment together with the safety in production, transportation, and storage.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-03579-z