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    Co-production of cyclohexylamine and bis(para-aminocyclohexyl) methane
    2.
    发明授权
    Co-production of cyclohexylamine and bis(para-aminocyclohexyl) methane 失效
    共生产环己胺和双（对 - 氨基环己基）甲烷

    公开(公告)号：US07304183B2

    公开(公告)日：2007-12-04

    申请号：US11300991

    申请日：2005-12-15

    申请人： Wei-Yang Su ,  Ralph M. DiGuilio ,  Pete S. Morford

    发明人： Wei-Yang Su ,  Ralph M. DiGuilio ,  Pete S. Morford

    IPC分类号： C07C209/72

    CPC分类号： C07C209/72 ,  C07C2601/14 ,  C07C211/36

    摘要： Embodiments of the present invention disclose a process for the co-production of bis(para-aminocyclohexyl) methane (PACM). Also disclosed are articles of manufacture made using PACM produced by methods of this invention. The methods of the present invention generally include a first mixture having methylene di-aniline (MDA) and a second aromatic amine. The first mixture has less than 15% polymeric MDA by weight and the second aromatic amine is present in an amount to render the first mixture a liquid. The first mixture is hydrogenated to produce a product mixture comprising PACM and at least one second non-aromatic amine.

    摘要翻译： 本发明的实施方案公开了双（对 - 氨基环己基）甲烷（PACM）共同生产的方法。 还公开了使用通过本发明的方法生产的PACM制造的制品。 本发明的方法通常包括具有亚甲基二苯胺（MDA）和第二芳族胺的第一混合物。 第一混合物的重量小于15％的聚合物MDA，第二芳族胺以使第一混合物成为液体的量存在。 将第一混合物氢化以产生包含PACM和至少一种第二非芳族胺的产物混合物。

    Production of diethanolamine
    3.
    发明授权
    Production of diethanolamine 失效
    生产二乙醇胺

    公开(公告)号：US6063965A

    公开(公告)日：2000-05-16

    申请号：US149322

    申请日：1998-09-08

    申请人： Dennis M. Nygaard ,  Ralph M. Diguilio

    发明人： Dennis M. Nygaard ,  Ralph M. Diguilio

    IPC分类号： C07C213/04 ,  C07C215/12 ,  C07C213/00

    CPC分类号： C07C213/04

    摘要： This invention concerns a process for preparation of alkanolamines such as diethanolamine (DEA) from ammonia and an alkylene oxide such as ethylene oxide. The yield of DEA may be increased by adding monoethanolamine (MEA) to the second feed in a split feed reactor scheme. The process can be conducted as a multistep process, such as by reacting a portion of the ethylene oxide followed by addition of a second charge of ethylene oxide after complete reaction of the first charge of ethylene oxide.

    摘要翻译： 本发明涉及由氨和环氧烷如环氧乙烷制备链烷醇胺如二乙醇胺（DEA）的方法。 通过在分批进料反应器方案中向第二进料中加入单乙醇胺（MEA）可以增加DEA的产率。 该方法可以作为多步骤方法进行，例如通过使一部分环氧乙烷反应，然后在第一次加入环氧乙烷完全反应后加入第二次环氧乙烷。

    Polymerization-inhibited distillation
    7.
    发明授权
    Polymerization-inhibited distillation 失效
    聚合抑制蒸馏

    公开(公告)号：US06673212B2

    公开(公告)日：2004-01-06

    申请号：US10127286

    申请日：2002-04-22

    申请人： James R. Machac, Jr. ,  Edward T. Marquis ,  Susan A. Woodrum ,  Ralph M. DiGuilio ,  Mike W. McKinney

    发明人： James R. Machac, Jr. ,  Edward T. Marquis ,  Susan A. Woodrum ,  Ralph M. DiGuilio ,  Mike W. McKinney

    IPC分类号： B01D334

    CPC分类号： C07D317/36 ,  B01D3/34 ,  C07D317/38 ,  Y10S203/11

    摘要： Identified herein are inhibitors which may be added to the boiling pot portion of a distillation apparatus prior to or during the distillation of an alkylene carbonate. The inhibitors retard the occurrence of undesirable reactions of the alkylene carbonate with itself and impurities present in the pot, and hence greatly reduce or minimize the formation of undesirable by-products which otherwise tend to reduce overall yields of alkylene carbonate recovered by the distillation process. Higher distillation temperatures at higher pressures over the prior art are possible without attendant losses of significant amounts of recovered alkylene carbonate, which confers heretofore unseen flexibility in alkylene carbonate distillation.

    摘要翻译： 本文所述的是在碳酸亚烷基酯蒸馏之前或期间可以加入到蒸馏装置的沸腾锅部分的抑制剂。 抑制剂阻碍碳酸亚烃酯本身和存在于罐中的杂质的不期望的反应的发生，因此大大减少或最小化不期望的副产物的形成，否则倾向于降低由蒸馏过程回收的碳酸亚烃酯的总产率。 与现有技术相比，在较高压力下的较高蒸馏温度是可能的，而不需要大量回收的碳酸亚烃酯的损失，这在碳酸亚烷基酯蒸馏中赋予迄今未见的灵活性。