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硝酸纤维素(NC)的丙酮稀溶液经过循环冷冻融化处理后,对其内部结构运用热分析方法进行了初步研究,并通过放热速率方程法对NC样品热分解过程的动力学机理进行了探索.从而认为低温处理会导致NC分子链发生内缔合.
After the circulation of freezing and thawing, the internal structure of NC solution of cellulose nitrate (NC) was studied by means of thermal analysis. The kinetic mechanism of thermal decomposition of NC sample was explored by exothermic rate equation Thus, it is considered that low temperature treatment will cause intramolecular association of NC molecular chains.