| 聚氨酯改性TDE-85/E-51环氧树脂的固化反应 |
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| 引用本文： | 李芝华,卢健体,丑纪能,郑子樵,邓飞跃.聚氨酯改性TDE-85/E-51环氧树脂的固化反应[J].高分子材料科学与工程,2009(5). |
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| 作者姓名： | 李芝华 卢健体 丑纪能 郑子樵 邓飞跃 |
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| 作者单位： | 有色金属材料科学与工程教育部重点实验室;中南大学材料科学与工程学院;中南大学化学与化工学院; |
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| 基金项目： | 国家新材料科技攻关项目(MKPT-04-388) |
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| 摘 要： | 以混合芳胺为固化剂,通过聚氨酯(PU)对4,5-环氧环己烷-1,2-二甲酸二缩水甘油酯(TDE-85)与二酚基丙烷缩水甘油醚(E-51)环氧树脂的混合树脂体系的改性,制备了高性能聚氨酯改性环氧树脂(PU/EP)。通过差示扫描量热法(DSC),确定了PU/EP体系的最佳固化条件,并探讨了PU/EP体系的固化反应动力学特征。研究结果表明,PU/EP体系的最佳固化条件为:25℃12h+150℃2h。PU/EP体系的固化反应活化能为69.18kJ/mol,反应级数为0.901。
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| 关 键 词： | 聚氨酯 环氧树脂 固化反应 |
Curing Reaction of TDE-85/E-51 Epoxy Resin Modified by Polyurethane |
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| LI Zhi-hua,LU Jian-ti,CHOU Ji-neng,ZHENG Zi-qiao,DENG Fei-yue.Curing Reaction of TDE-85/E-51 Epoxy Resin Modified by Polyurethane[J].Polymer Materials Science & Engineering,2009(5). |
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| Authors: | LI Zhi-hua LU Jian-ti CHOU Ji-neng ZHENG Zi-qiao DENG Fei-yue |
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| Affiliation: | 1.Key Laboratory of Nonferrous Metal Materials Science and Engineering of Ministry of Education;2.School of Materials Science and Engineering;Central South University;3.School of Chemistry and Industry;Changsha 410083;China |
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| Abstract: | With polyurethane modification of the blend of phenol-based epoxy propane(E-51) and diglycidyl-4,5-epoxycyclohexane-1,2-dicarboxylate(TDE-85),the high performance TDE-85/E-51 epoxy resin were prepared with the mixed aromatic amine of m-phenylenediamine(MPDA) and diaminodiphenylmethane(DDM) as curing agents.The curing technology of the TDE-85/E-51 epoxy resin modified by polyurethane was determined by differential scanning calorimeter(DSC) technique,and the kinetics of the curing processes were analyzed by K... |
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| Keywords: | polyurethane epoxy resin curing reaction |
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