TGDDM/1,4-二(4-氨基苯-1-氧)正丁烷非等温固化反应动力学

doi:10.3969/j.issn.0438-1157.2013.09.046

化工学报 ›› 2013, Vol. 64 ›› Issue (9): 3421-3427.DOI: 10.3969/j.issn.0438-1157.2013.09.046

• 材料化学工程与纳米技术 • 上一篇下一篇

TGDDM/1,4-二(4-氨基苯-1-氧)正丁烷非等温固化反应动力学

李景瑞, 刘嘉林, 张军营, 程珏

北京化工大学碳纤维及功能高分子教育部重点实验室, 北京 100029

收稿日期:2013-01-15 修回日期:2013-03-19 出版日期:2013-09-05 发布日期:2013-09-05
通讯作者: 程珏
作者简介:李景瑞(1985- ),男,硕士研究生。
基金资助:
国家自然科学基金项目(21176017);国家高技术研究发展计划项目(2012AA03A205)。

Non-isothermal curing reaction kinetics of TGDDM/1,4-bis(4-diaminobenzene-1-oxygen) n-butane

LI Jingrui, LIU Jialin, ZHANG Junying, CHENG Jue

Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China

Received:2013-01-15 Revised:2013-03-19 Online:2013-09-05 Published:2013-09-05
Supported by:
supported by the National Natural Science Foundation of China(21176017)and the High-tech Research and Development Program of China(2012AA03A205).

摘要/Abstract

摘要： 合成了一种新型环氧树脂固化剂1,4-二(4-氨基苯-1-氧)正丁烷(DDBE),并采用FTIR、¹H NMR手段对其结构进行表征和确认。采用非等温差示扫描量热法(DSC)研究了N,N,N',N'-四缩水甘油基-4,4'-二氨基二苯甲烷(TGDDM)/DDBE体系的固化反应动力学,根据Kissinger方程计算体系的活化能为58.5 kJ·mol^-1;采用Málek法进行模型拟合动力学分析,结果表明:其中的Šesták-Berggren模型的拟合曲线与实验的DSC曲线吻合,确定了体系的固化反应动力学参数和方程。DSC测试TGDDM/DDBE固化物玻璃化转变温度为195℃。

关键词: 环氧树脂, 芳香胺类, 非等温DSC, Málek法, Šesták-Berggren模型

Abstract: A novel curing agent 1,4-bis(4-diaminobenzene-1-oxygen) n-butane(DDBE)was synthesized and its molecular structure was characterized by FTIR,¹H NMR and DSC.It was used to cure N,N,N',N'-tetraglycidyl-4,4'-diaminodiphenyl methane(TGDDM).The non-isothermal reaction kinetics of TGDDM/DDBE system was investigated by dynamic DSC according to the model-fitting Málek method.The results showed that the apparent activation energy of the curing reaction was 58.5 kJ·mol^-1 according to the Kissinger method,and the Šesták-Berggren model could satisfactorily describe the non-isothermal reaction of this epoxy resin system.The glass transition temperature of the cured TGDDM/DDBE was 195℃ according to DSC.

Key words: epoxy resin, aromatic amines, nonisothermal DSC, Málek method, Šesták-Berggren model

中图分类号:

TQ320.1

李景瑞, 刘嘉林, 张军营, 程珏. TGDDM/1,4-二(4-氨基苯-1-氧)正丁烷非等温固化反应动力学[J]. 化工学报, 2013, 64(9): 3421-3427.

LI Jingrui, LIU Jialin, ZHANG Junying, CHENG Jue. Non-isothermal curing reaction kinetics of TGDDM/1,4-bis(4-diaminobenzene-1-oxygen) n-butane[J]. CIESC Journal, 2013, 64(9): 3421-3427.

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TGDDM/1,4-二(4-氨基苯-1-氧)正丁烷非等温固化反应动力学

Non-isothermal curing reaction kinetics of TGDDM/1,4-bis(4-diaminobenzene-1-oxygen) n-butane

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