|
二维码（扫一下试试看！） |
| 多功能橡胶助剂PDM的低温溶剂法合成工艺研究 |
| Low-temperature Solvent Synthesis Process of Multifunctional Rubber Auxiliaries PDM |
| Received:January 12, 2021 Revised:February 01, 2021 |
| DOI：10.12137/j.issn.2095-5448.2021.05.0241 |
| 中文关键词: N，N′-间苯双马来酰亚胺 合成工艺 正交试验 酰胺化 脱水闭环 |
| 英文关键词: N,N′-m-phenylene dimaleimide synthesis process orthogonal experiment amidation reaction dehydration and ring-closure |
| 基金项目: |
| 中图分类号: |
|
| Hits: 2157 |
| Download times: 1 |
| 中文摘要: |
| 研究以顺丁烯二酸酐和间苯二胺为原料，N，N′-二甲基甲酰胺（DMF）为溶剂，乙酸酐为脱水剂合成N，N′-间苯双马来酰亚胺（PDM）的工艺。结果表明：正交试验得出PDM合成的最优方案为脱水闭环反应温度 40 ℃，顺丁烯二酸酐/间苯二胺物质的量比 2.2，酰胺化反应温度 25 ℃，酰胺化反应时间 1.5 h；DMF/间苯二胺质量比为8、乙酸酐/间苯二胺的物质的量比为2.4、脱水闭环反应为3 h时，PDM的收率和熔点较高，且反应易于控制。 |
| 英文摘要: |
| The synthesis process of N，N′-m-phenylene dimaleimide（PDM） using maleic anhydride and m-phenylenediamine as raw materials，N，N′-dimethylformamide（DMF） as solvent，and acetic anhydride as dehydrating agent.The results showed that，the optimal scheme of PDM synthesis obtained by orthogonal experiment：dehydration and ring-closure reaction temperature 40 ℃，maleic anhydride/m-phenylenediamine substance ratio 2.2，amidation reaction temperature 25 ℃，amidation reaction time 1.5 h.When the mass ratio of DMF/m-phenylenediamine was 8，the mass ratio of acetic anhydride/m-phenylenediamine was 2.4，and the dehydration and ring-closure reaction time was 3 h，the yield and melting point of PDM was higher and the reaction was easy to control. |
|
View Full Text
View/Add Comment Download reader |
| Close |
