CN109438254B - 一种低大分子杂质含量的二苯基甲烷系列二胺和多胺的制备方法 - Google Patents
一种低大分子杂质含量的二苯基甲烷系列二胺和多胺的制备方法 Download PDFInfo
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- CN109438254B CN109438254B CN201811264263.8A CN201811264263A CN109438254B CN 109438254 B CN109438254 B CN 109438254B CN 201811264263 A CN201811264263 A CN 201811264263A CN 109438254 B CN109438254 B CN 109438254B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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CN201811264263.8A CN109438254B (zh) | 2018-10-29 | 2018-10-29 | 一种低大分子杂质含量的二苯基甲烷系列二胺和多胺的制备方法 |
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CN109438254B true CN109438254B (zh) | 2021-07-23 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111905753B (zh) * | 2020-08-10 | 2023-04-07 | 万华化学集团股份有限公司 | 一种催化胺盐转化的催化剂及制备方法、dam的制备方法 |
CN111960952B (zh) * | 2020-08-28 | 2023-01-13 | 万华化学集团股份有限公司 | 一种dam制备过程中废盐水质量提升方法 |
CN113929596B (zh) * | 2021-11-11 | 2023-09-19 | 万华化学集团股份有限公司 | 一种pmdi废水的综合利用工艺及稳定控制方法 |
CN115745809A (zh) * | 2022-11-17 | 2023-03-07 | 万华化学集团股份有限公司 | 一种低杂质含量低副产品量的二苯基甲烷系列的二胺和多胺的制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1055745A (zh) * | 1990-04-11 | 1991-10-30 | 三井东压化学株式会社 | 亚甲基交联的聚芳胺及其制备方法 |
CN101279923A (zh) * | 2007-04-06 | 2008-10-08 | 宁波万华聚氨酯有限公司 | 一种制备多亚甲基多苯基多胺的方法 |
CN101514164A (zh) * | 2009-04-03 | 2009-08-26 | 东华大学 | 多烷基取代芳香二胺单体及其制备和应用 |
CN101679203A (zh) * | 2007-06-04 | 2010-03-24 | 亨茨曼国际有限公司 | 制备二苯基甲烷系列的二胺和多胺的方法 |
CN103483206A (zh) * | 2013-09-27 | 2014-01-01 | 桂林理工大学 | 一种含不对称非共平面结构的二胺单体及其制备方法 |
CN103936594A (zh) * | 2014-05-12 | 2014-07-23 | 苏州市湘园特种精细化工有限公司 | 3,3’-二氯-4,4’-二氨基二苯甲烷的新型制备方法 |
CN105503654A (zh) * | 2008-03-01 | 2016-04-20 | 拜耳材料科技股份有限公司 | 制备亚甲基二苯基二异氰酸酯的方法 |
CN108176392A (zh) * | 2017-12-27 | 2018-06-19 | 万华化学集团股份有限公司 | 催化分解胺盐的复合催化剂及其制备方法、制备mda的方法 |
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- 2018-10-29 CN CN201811264263.8A patent/CN109438254B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1055745A (zh) * | 1990-04-11 | 1991-10-30 | 三井东压化学株式会社 | 亚甲基交联的聚芳胺及其制备方法 |
CN101279923A (zh) * | 2007-04-06 | 2008-10-08 | 宁波万华聚氨酯有限公司 | 一种制备多亚甲基多苯基多胺的方法 |
CN101679203A (zh) * | 2007-06-04 | 2010-03-24 | 亨茨曼国际有限公司 | 制备二苯基甲烷系列的二胺和多胺的方法 |
CN106916070A (zh) * | 2007-06-04 | 2017-07-04 | 亨茨曼国际有限公司 | 制备二苯基甲烷系列的二胺和多胺的方法 |
CN105503654A (zh) * | 2008-03-01 | 2016-04-20 | 拜耳材料科技股份有限公司 | 制备亚甲基二苯基二异氰酸酯的方法 |
CN101514164A (zh) * | 2009-04-03 | 2009-08-26 | 东华大学 | 多烷基取代芳香二胺单体及其制备和应用 |
CN103483206A (zh) * | 2013-09-27 | 2014-01-01 | 桂林理工大学 | 一种含不对称非共平面结构的二胺单体及其制备方法 |
CN103936594A (zh) * | 2014-05-12 | 2014-07-23 | 苏州市湘园特种精细化工有限公司 | 3,3’-二氯-4,4’-二氨基二苯甲烷的新型制备方法 |
CN108176392A (zh) * | 2017-12-27 | 2018-06-19 | 万华化学集团股份有限公司 | 催化分解胺盐的复合催化剂及其制备方法、制备mda的方法 |
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Denomination of invention: A preparation method of diphenylmethane series diamines and polyamines with low macromolecular impurity content Effective date of registration: 20211123 Granted publication date: 20210723 Pledgee: Bank of China Limited by Share Ltd. Yantai branch Pledgor: Wanhua Chemical Group Co.,Ltd. Registration number: Y2021980013026 |
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