| 非等温DSC法研究高温固化胶膜的固化动力学 |
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| 引用本文： | 徐艺,贺强.非等温DSC法研究高温固化胶膜的固化动力学[J].材料导报,2018,32(Z1):529-531, 538. |
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| 作者姓名： | 徐艺 贺强 |
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| 作者单位： | 中国民用航空飞行学院民航安全工程学院;中国民用航空飞行学院航空工程学院 |
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| 基金项目： | 中国民用航空飞行学院博士科研启动项目(BJ2016-01);中国民用航空飞行学院青年基金项目(Q2018-43);中央高校教育教学改革专项项目(E20170207) |
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| 摘 要： | 采用非等温DSC法对高温固化胶膜(METLBOND 1515-4)的固化反应热行为以及固化动力学进行了研究,分别利用Kissinger和Ozawa动力学模型计算得到各体系固化反应的表观活化能,分别为90.2kJ/mol、92.7kJ/mol。通过Crane模型计算出固化反应级数,得出了适于该树脂体系固化反应过程的动力学方程。结果表明,体系中只有一种反应,该胶膜的反应级数为0.95。此外,基于得到的动力学参数,结合体系固化反应特点,预测了其固化时间,从而确定了胶膜固化工艺。本文为该环氧胶膜的固化、性能测试和应用提供了理论依据。
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| 关 键 词： | 环氧胶膜 固化动力学 固化工艺 |
Curing Kinetics of High Temperature Curing Film by Non-isothermal DSC Method |
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| XU Yi and HE Qiang.Curing Kinetics of High Temperature Curing Film by Non-isothermal DSC Method[J].Materials Review,2018,32(Z1):529-531, 538. |
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| Authors: | XU Yi and HE Qiang |
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| Affiliation: | Civil Aviation Safety Engineering Institute, Civil Aviation Flight University of China, Guanghan 618307 and Aviation Engineering Institute, Civil Aviation Flight University of China, Guanghan 618307 |
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| Abstract: | The thermal behavior and curing kinetics of the high temperature curing film (METLBOND 1515-4) were investigated by non-isothermal DSC method. The apparent activation energies of the curing reaction were calculated by Kissinger and Ozawa dynamic models, which were 90.2 kJ/mol, 92.7 kJ/mol respectively. Crane model was used to calculate the curing reaction series, curing process of the kinetic equation was obtained. The results showed that only one reaction mechanism occurred, the reaction sequence of the adhesive film was 0.95. In addition, based on the obtained kinetic parameters and the characteristics of curing reaction, a method for predicting the curing time was proposed to determine the curing process, which provided a theoretical basis for the curing, performance testing and application of the epoxy film. |
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| Keywords: | epoxy adhesive film curing dynamic curing process |
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