CN106220548A - 一种通过精馏脱胺、脱水得到高纯n‑甲基吡咯烷酮的方法 - Google Patents
一种通过精馏脱胺、脱水得到高纯n‑甲基吡咯烷酮的方法 Download PDFInfo
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- CN106220548A CN106220548A CN201610781125.1A CN201610781125A CN106220548A CN 106220548 A CN106220548 A CN 106220548A CN 201610781125 A CN201610781125 A CN 201610781125A CN 106220548 A CN106220548 A CN 106220548A
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- methyl pyrrolidone
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
- C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
Abstract
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Priority Applications (1)
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CN201610781125.1A CN106220548A (zh) | 2016-08-31 | 2016-08-31 | 一种通过精馏脱胺、脱水得到高纯n‑甲基吡咯烷酮的方法 |
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CN201610781125.1A CN106220548A (zh) | 2016-08-31 | 2016-08-31 | 一种通过精馏脱胺、脱水得到高纯n‑甲基吡咯烷酮的方法 |
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CN106220548A true CN106220548A (zh) | 2016-12-14 |
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CN201610781125.1A Pending CN106220548A (zh) | 2016-08-31 | 2016-08-31 | 一种通过精馏脱胺、脱水得到高纯n‑甲基吡咯烷酮的方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108794371A (zh) * | 2017-04-27 | 2018-11-13 | 迈奇化学股份有限公司 | 一种n-甲基吡咯烷酮产品的精制方法 |
CN109232352A (zh) * | 2018-09-19 | 2019-01-18 | 江阴市大洋固废处置利用有限公司 | 一种n-甲基吡咯烷酮减压提纯系统及提纯方法 |
CN111978233A (zh) * | 2020-09-15 | 2020-11-24 | 安徽英特力工业工程技术有限公司 | 一种提高脱甲胺后nmp粗品纯度的装置 |
CN111978184A (zh) * | 2020-09-14 | 2020-11-24 | 安徽英特力工业工程技术有限公司 | 一种从nmp粗品中回收甲胺的装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101508667A (zh) * | 2009-03-30 | 2009-08-19 | 濮阳迈奇科技有限公司 | 一种n-甲基吡咯烷酮的提纯方法 |
CN103979497A (zh) * | 2014-05-16 | 2014-08-13 | 西陇化工股份有限公司 | 一种制备超净高纯盐酸的方法 |
CN105085361A (zh) * | 2015-09-08 | 2015-11-25 | 江苏恒祥化工有限责任公司 | 一种合成n-甲基吡咯烷酮的系统 |
-
2016
- 2016-08-31 CN CN201610781125.1A patent/CN106220548A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101508667A (zh) * | 2009-03-30 | 2009-08-19 | 濮阳迈奇科技有限公司 | 一种n-甲基吡咯烷酮的提纯方法 |
CN103979497A (zh) * | 2014-05-16 | 2014-08-13 | 西陇化工股份有限公司 | 一种制备超净高纯盐酸的方法 |
CN105085361A (zh) * | 2015-09-08 | 2015-11-25 | 江苏恒祥化工有限责任公司 | 一种合成n-甲基吡咯烷酮的系统 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108794371A (zh) * | 2017-04-27 | 2018-11-13 | 迈奇化学股份有限公司 | 一种n-甲基吡咯烷酮产品的精制方法 |
CN108794371B (zh) * | 2017-04-27 | 2019-08-06 | 迈奇化学股份有限公司 | 一种n-甲基吡咯烷酮产品的精制方法 |
CN109232352A (zh) * | 2018-09-19 | 2019-01-18 | 江阴市大洋固废处置利用有限公司 | 一种n-甲基吡咯烷酮减压提纯系统及提纯方法 |
CN109232352B (zh) * | 2018-09-19 | 2024-03-19 | 江阴市大洋固废处置利用有限公司 | 一种n-甲基吡咯烷酮减压提纯系统及提纯方法 |
CN111978184A (zh) * | 2020-09-14 | 2020-11-24 | 安徽英特力工业工程技术有限公司 | 一种从nmp粗品中回收甲胺的装置 |
CN111978233A (zh) * | 2020-09-15 | 2020-11-24 | 安徽英特力工业工程技术有限公司 | 一种提高脱甲胺后nmp粗品纯度的装置 |
CN111978233B (zh) * | 2020-09-15 | 2024-05-14 | 安徽英特力工业工程技术有限公司 | 一种提高脱甲胺后nmp粗品纯度的装置 |
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Chunling Inventor after: Yang Guoju Inventor after: Li Xiaoning Inventor after: Mao Xuefeng Inventor after: Li Xiaogang Inventor after: Yu Xiugang Inventor after: Sun Lixin Inventor before: Zhang Chunling Inventor before: Yang Guoju Inventor before: Li Xiaoning Inventor before: Mao Xuefeng Inventor before: Li Xiaogang Inventor before: Ding Xiugang Inventor before: Zhang Lixin |
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Application publication date: 20161214 |