The curing kinetics and mechanical properties of epoxy resin composites reinforced by PEEK microparticles

被引：62

作者：

Zheng, Ting ^{[1
]}

Xi, Hang ^{[2
]}

Wang, Zixuan ^{[1
]}

Zhang, Xiaohong ^{[1
]}

Wang, Yuan ^{[1
]}

Qiao, Yingjie ^{[1
]}

Wang, Peng ^{[1
,3
]}

Li, Qiuwu ^{[1
]}

Li, Zhuona ^{[1
]}

Ji, Cheng ^{[1
]}

Wang, Xiaodong ^{[1
]}

机构：

[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China

[2] Nucl Power Inst China, Reactor Operat & Applicat Res Sub Inst, Chengdu 610005, Peoples R China

[3] Nucl Power Inst China, Sci & Technol Reactor Fuel & Mat Lab, Chengdu 610213, Peoples R China

来源：

POLYMER TESTING | 2020年 / 91卷

基金：

中央高校基本科研业务费专项资金资助;

关键词：

Epoxy resin; PEEK microparticles; Curing kinetics; Mechanical properties; BEHAVIOR; NANOPARTICLES; PERFORMANCE;

D O I：

10.1016/j.polymertesting.2020.106781

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper, a polyether-ether-ketone (PEEK)/epoxy composite was prepared by using PEEK microparticles as the reinforcement. The nonisothermal differential scanning calorimetry (DSC) test was used to evaluate the curing reaction of PEEK/epoxy resin system. The curing kinetics of this system were examined utilizing nonisothermal kinetic analyses (Kissinger and Ozawa), isoconversional methods (Flynn-Wall-Ozawa and KissingerAkahira-Sunose) and an autocatalytic reaction model. During these analyses, the kinetic parameters and models were obtained, the curing behavior of PEEK/epoxy resin system under dynamic conditions was predicted. The results show that isoconversional methods can adequately interpret the curing behavior of PEEK/epoxy resin system and that the theoretical DSC curves calculated by the autocatalytic reaction model are in good agreement with experimental data. Furthermore, the tensile elongation at break, tensile strength, flexural strength, compression strength and compression modulus increased by 81.6%, 33.66%, 36.53%, 10.98% and 15.14%, respectively, when PEEK microparticles were added in epoxy resin composites.

引用

页数：10

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