三氧化二铝对环氧树脂固化动力学及热降解动力学的影响

张英明; 王兵毅; 余坚; 郝志峰; 柯勇; 陈毅龙

doi:10.12052/gdutxb.180174

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三氧化二铝对环氧树脂固化动力学及热降解动力学的影响

综合研究 | 更新时间：2026-05-27

- 三氧化二铝对环氧树脂固化动力学及热降解动力学的影响
- Effects of Aluminum Oxide on Curing and Thermal Decomposition Kinetics of Epoxy Resin
- 广东工业大学学报 2019年36卷第5期页码：63-70
- 作者机构：
  
  1. 广东工业大学轻工化工学院,广东,广州,510000
  2. 景旺电子科技(龙川)有限公司,广东,河源,517300
- 作者简介：
  
  张英明，男，硕士研究生，主要研究方向为高分子材料的功能改性以及应用
  郝志峰(1971−)，女，教授，主要研究方向为高分子材料的功能改性应用. E-mail：haozhifeng3377@163.com
- 基金信息：
  
  广东省应用型科技研发专项资金项目(2016B090930004)
- DOI：10.12052/gdutxb.180174
  中图分类号： TQ320
- 网络首发：2019-08-21，
  
  纸质出版：2019
- 稿件说明：
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张英明, 王兵毅, 余坚, 郝志峰, 柯勇, 陈毅龙. 三氧化二铝对环氧树脂固化动力学及热降解动力学的影响[J]. 广东工业大学学报, 2019, 36(5): 63-70.

Zhang Ying-ming, Wang Bing-yi, Yu Jian, et al. Effects of Aluminum Oxide on Curing and Thermal Decomposition Kinetics of Epoxy Resin[J]. 2019, 36(5): 63-70.
张英明, 王兵毅, 余坚, 郝志峰, 柯勇, 陈毅龙. 三氧化二铝对环氧树脂固化动力学及热降解动力学的影响[J]. 广东工业大学学报, 2019, 36(5): 63-70. DOI： 10.12052/gdutxb.180174.

Zhang Ying-ming, Wang Bing-yi, Yu Jian, et al. Effects of Aluminum Oxide on Curing and Thermal Decomposition Kinetics of Epoxy Resin[J]. 2019, 36(5): 63-70. DOI： 10.12052/gdutxb.180174.

摘要

采用热分析法研究了高含量Al

填料对环氧树脂(E51)/二氨基二苯甲烷(DDM)体系的固化表观活化能、热降解动力学和性能的影响. 非等温差式扫描量热法(DSC)固化动力学研究表明

加入Al

体系的反应活化能由51.49 kJ/mol降低至48.12 kJ/mol；用

级非等温动力学法分析获得了固化反应的动力学参数. 利用热重分析研究了环氧固化物体系的热降解动力学

用FWO方法计算固化物降解活化能结果表明

粉体对E51/DDM体系初始分解活化能影响不大

当降解率达到30%时

粉体对E51/DDM体系分解有明显的抑制作用. 热重红外联用测试结果表明

甲烷、羰基化合物、胺和双酚A是E51/DDM热分解过程中的主要产物

粉体能提高E51/DDM体系的热稳定性. 动态热机械研究表明

的加入增大了环氧树脂固化产物的储能模量. DSC测试结果表明

加入后

体系的玻璃化转变温度由114.16 ℃提高到121.51 ℃.

Abstract

The effects of high content Al

particles on the apparent activation energy

thermal decomposition kinetics and properties of epoxy resin (E51)/ 4

4'-Diaminodiphenylmet (DDM) system were investigated by a thermal analysis. The results on the curing kinetics of non-isothermal differential scanning calorimetry (DSC) showed that the addition of Al

omoted the curing reaction. The activation energy of the E44/DDM system was reduced from 51.49 kJ/mol to 48.12 kJ/mol after 80%Al

addition. In addition

the kinetic parameters of the curing reaction were obtained by the

order model. Thermo-gravimetric analyzer was used to study the thermal decomposition kinetics of the epoxy curing system. The FWO method was used to calculate the activation energy of the degradation. The results showed that the addition of Al

powder had little effect on the initial decomposition activation energy of the 80%E51/DDM system. When the degradation rate reached 30%

the Al

powder had obvious inhibitory effect on the decomposition of E51/DDM system. The results of TG-IR test showed that carbon oxides

methane

carbonyl compounds

amines and aromatic compounds are the main products in the process of E51/DDM thermal decomposition. Al

powder can improve the thermal stability of the E51/DDM system. Dynamic mechanics showed that the addition of Al

increased the modulus of storage of epoxy resin cured products. DSC results showed that the addition of Al

powder increases the glass transition temperature from 114.16 ℃ to 121.51 ℃ of the system.

关键词

Keywords

references

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