| 二正丁胺滴定法研究IPDI与DMPA反应动力学 |
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| 引用本文： | 宋文生,徐翠翠,李浩,郑英丽,李平,蔡俊青.二正丁胺滴定法研究IPDI与DMPA反应动力学[J].河南科技大学学报(自然科学版),2011,32(3):99-101,114. |
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| 作者姓名： | 宋文生 徐翠翠 李浩 郑英丽 李平 蔡俊青 |
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| 作者单位： | 河南科技大学,化工与制药学院,河南洛阳471003 |
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| 基金项目： | 河南省科技发展计划基金项目(102102210163); 河南科技大学青年科学基金项目(2009QN0023) |
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| 摘 要： | 异佛尔酮二异氰酸酯(IPDI)与2,2-二羟甲基丙酸(DMPA)的反应在水性聚氨酯分散液合成中非常重要。本文用二正丁胺滴定法研究了IPDI、DMPA在溶剂N-甲基吡咯烷酮(NMP)中的反应动力学。结果表明:IPDI的反应活性较低,其与DMPA反应活化能为Ea=68.7 kJ/mol。
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| 关 键 词： | 异佛尔酮二异氰酸酯 2 2-二羟甲基丙酸 NCO含量 二正丁胺法 活化能 |
Kinetics Study of Polymerization of IPDI and DMPA by Di-n-butylamine Titration Method |
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| SONG Wen-Sheng,XU Cui-Cui,LI Hao,ZHENG Ying-Li,LI Ping,CAI Jun-Qing.Kinetics Study of Polymerization of IPDI and DMPA by Di-n-butylamine Titration Method[J].Journal of Henan University of Science & Technology:Natural Science,2011,32(3):99-101,114. |
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| Authors: | SONG Wen-Sheng XU Cui-Cui LI Hao ZHENG Ying-Li LI Ping CAI Jun-Qing |
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| Affiliation: | SONG Wen-Sheng,XU Cui-Cui,LI Hao,ZHENG Ying-Li,LI Ping,CAI Jun-Qing (Chemical Engineering & Pharmaceutics School,Henan University of Science & Technology,Luoyan 471003,China) |
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| Abstract: | The reaction kinetics between isophorone diisocyanate(IPDI) and 2,2-dimethylolpropionic acid(DMPA)solved in N-methyl-2-pyrrolidone(NMP) in synthesis of the waterborne polyurethane dispersion was studied by di-n-butykamine titration method.The results showed that reaction activity of IPDI is lower and value of activation energy(Ea) is 68.7 kJ/mol. |
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| Keywords: | Isophorone diisocyanate 2 2-dimethylolpropionic acid -NCO content di-n-butykamine titration activation energy |
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