Effect of Phenolic Resin and Nano-Calcium Carbonate Particles on the Curing Kinetic of Epoxy Composites

被引：2
|
作者：
Wu, Jie [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Architecture, Taiyuan, Shanxi, Peoples R China
来源：
JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS | 2022年 / 61卷 / 06期
关键词：
Composites; curing kinetics; differential scanning calorimetry; epoxy; MORPHOLOGY;
D O I：
10.1080/00222348.2022.2102370
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The research described here studied the curing kinetics of pure epoxy (EP), epoxy/phenolic resin (EP/PH) and epoxy/nano-CaCO3 particles (EP/NPs) composites by isothermal differential scanning calorimetry (DSC). A model free technique (isoconversional technique) was used to study the curing reaction kinetics and the results showed that the activation energies (E-a) of the pure EP, EP/PH, and EP/NPs composites remained constant at different conversions. The research showed a decrease of E-a for the EP/NPs system, while there was a small increase of Ea for the EP/PH. This can be attributed to the acceleration effect of the nano-CaCO3 for the EP/NPs system and the low reactivity of PH for the EP/PH system.
引用
收藏
页码：788 / 795
页数：8
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