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关于从不同恒速降温条件下的DSC曲线峰温计算结晶/凝固反应动力学参数的一点注释
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胡荣祖(1938-),男,教授,从事热化学、热分析研究。 e-mail: hurongzu@public.xa.sn.cn

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火炸药燃烧国防科技重点实验室基金(No.9140C3501010601)


On a Note of Calculating the Kinetic Parameters of Crystallization/Solidification Reaction from Peak Temperatures of DSC Curves underDifferent Constant Cooling Rate Conditions
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    摘要:

    提出了从不同恒速降温条件下的DSC曲线峰温计算放热结晶/凝固反应动力学参数(表观活化能E和表观指前因子A)的方法和计算式。比较了用该计算式与Kissinger方程计算E和A值的适用性条件,认为Kissinger法不适于计算题称反应的动力学参数。因此,对题称反应,用Kissinger法所得的负E值,是不合理的。

    Abstract:

    A method and a calculation formula for calculating the non-isothermal kinetic parameters [the apparent activation energy(E) and the apparent pre-exponential constant (A)] of the exothermic crystallization/solidification reaction from peak temperatures of non-isothermal DSC curves under different constant cooling rate conditions were presented. The suitability conditions of calculating the values of E and A by the formula and Kissinger′s equation were compared, considering that Kissinger′s method is not suitable for calculating the values of E and A of exothermal crystallization/solidification reaction. Minus value of E obtained by Kissinger′s method for the titled reaction is unreasonable.

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胡荣祖,赵凤起,高红旭,等.关于从不同恒速降温条件下的DSC曲线峰温计算结晶/凝固反应动力学参数的一点注释[J].含能材料, 2008, 16(4):361-363.
HU Rong-zu, ZHAO Feng-qi, GAO Hong-xu, et al. On a Note of Calculating the Kinetic Parameters of Crystallization/Solidification Reaction from Peak Temperatures of DSC Curves underDifferent Constant Cooling Rate Conditions[J]. Chinese Journal of Energetic Materials, 2008, 16(4):361-363.

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  • 收稿日期: 2008-02-13
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  • 在线发布日期: 2011-05-06
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