N-甲基氧化吗啉合成工艺的研究

doi:10.16039/j.cnki.cn22-1249.2025.07.001

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摘要以N-甲基吗啉（NMM）和过氧化氢（H2O2）为原料，在常压、未使用催化剂、40～90℃的条件下，与正己烷边反应边脱水合成N-甲基氧化吗啉（NMMO）。考察了H2O2和正己烷的用量以及温度等因素对实验结果的影响，确定了较为适宜的工艺条件：n（NMM）∶n（H2O2）＝1.0:1.2，正己烷用量60～70 mL，反应温度75℃。其NMM转化率大于98%，NMMO收率大于93%。

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	李帅飞
	丁启宸
	徐根松
	张吉波

关键词: N-甲基氧化吗啉 N-甲基吗啉工艺条件

Abstract: N-methylmorpholine oxide (NMMO) was synthesized by reacting N-methylmorpholine (NMM) with hydrogen peroxide (H?O?) in the presence of hexane under catalyst-free and atmospheric pressure conditions at 40~90°C, with simultaneous dehydration. The effects of H?O? dosage, hexane volume, and reaction temperature on the synthesis efficiency were systematically investigated. The optimized process parameters were determined as follows: molar ratio of n(NMM)∶n(H?O?) = 1.0:1.2, hexane volume of 60~70 mL, and reaction temperature of 75°C. Under these conditions, the conversion rate of NMM exceeded 98%, and the yield of NMMO reached over 93%.

Key words: n-methylmorpholine oxide n-methylmorpholine process condition

出版日期: 2025-07-25 发布日期: 2025-12-21 整期出版日期: 2025-07-25

ZTFLH:

TQ 413.2

引用本文:

李帅飞, 丁启宸, 徐根松, 张吉波. N-甲基氧化吗啉合成工艺的研究[J]. 吉林化工学院学报, 2025, 42(7): 1-3.
LI Shuaifei, DING Qichen, XU Gensong, ZHANG Jibo. Study on Synthesis Technology of N-methylmorpholine Oxide. Journal of Jilin Institute of Chemical Technology, 2025, 42(7): 1-3.

链接本文:

https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2025.07.001 或 https://xuebao.jlict.edu.cn/CN/Y2025/V42/I7/1

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