Degradation of aged nitrocellulose investigated by thermal analysis and chemiluminescence

被引：0
作者：
Jozef Rychlý
Agnes Lattuati-Derieux
Lyda Matisová-Rychlá
Katarína Csomorová
Ivica Janigová
Bertrand Lavédrine
机构：
[1] Slovak Academy of Sciences,Polymer Institute
[2] Centre de Recherche sur la Conservation des Collections,undefined
[3] Muséum National d’Histoire Naturelle,undefined
[4] MCC,undefined
[5] CNRS,undefined
来源：
Journal of Thermal Analysis and Calorimetry | 2012年 / 107卷
关键词：
Nitrocellulose; Ageing of; Thermogravimetry; Differential scanning calorimetry; Chemiluminescence; Rate constants;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Non-isothermal thermogravimetry, differential scanning calorimetry and chemiluminescence were used for characterization of degradation of pre-aged nitrocellulose in order to elucidate the optimal route of extrapolation of rate constants from the region of the autoaccelerated reaction to lower temperatures. First order rate constants, the one characterizing the decomposition of nitrocellulose in the rate auto-accelerating region and the two constants corresponding to the slow process in induction period of nitrocellulose decomposition were shown to provide a sufficient description. The rate constants determined for several temperatures were shown to depend on the amount of char residue which is formed from pre-aged samples after the thermogravimetry runs from 40 to 550 °C.
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页码：1267 / 1276
页数：9
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