Curing Kinetics of DGEBA Epoxy Resin Modified by Poly (phthalazinone ether ketone) (PPEK)

被引：9
|
作者：
Xu, Yajuan [2 ]
Zhou, Sikai [2 ]
Liao, Gongxiong [1 ]
Jian, Xigao [1 ,3 ]
机构：
[1] Dalian Univ Technol, Dept Polymer Sci & Mat, Dalian 116012, Peoples R China
[2] Luoyang Inst Sci & Technol, Sch Mat Sci & Engn, Luoyang, Peoples R China
[3] Liaoning Prov High Performance Resins Engn Res Ct, Dalian, Peoples R China
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2012年 / 51卷 / 02期
基金：
美国国家科学基金会;
关键词：
Blending; Curing kinetics; Epoxy resins; poly (phthalazinone ether ketone) (PPEK); CURE KINETICS; POLY(ETHER IMIDE); MECHANICAL-PROPERTIES; DIGLYCIDYL ETHER; BLENDS; BEHAVIOR; AMINE; MISCIBILITY; MORPHOLOGY; SYSTEM;
D O I：
10.1080/03602559.2011.578294
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 cure kinetics of diaminodiphenylsulfone-cured diglycidyl ether of bisphenol A epoxy resin (DGEBA) and its blends with poly (phthalazinone ether ketone) (PPEK) were investigated by isothermal differential scanning calorimetry (DSC). The results were applied to the Arrhenius equation and the phenomenological model of Kamal. The Arrhenius activation energy increased with increasing PPEK content. The experimental reactions rates agreed well with that of the theoretical in the initial stages of the reaction, but diffusion control was incorporated to describe the cure in the latter stages. The cure mechanism remained broadly autocatalytic in nature regardless of PPEK concentration and the cure temperature.
引用
收藏
页码：128 / 133
页数：6
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