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1. 发明申请

US20070179316A1 Process for preparing diamines and polyamines from the diphenylmethane series 有权
标题翻译：从二苯基甲烷系列制备二胺和多胺的方法
公开(公告)号：US20070179316A1
公开(公告)日：2007-08-02
申请号：US11657147
申请日：2007-01-24
申请人： Fritz Pohl , Jeffrey Bolton , Richard Adamson , Heinz-Herbert Muller , Rudolf Uchdorf
发明人： Fritz Pohl , Jeffrey Bolton , Richard Adamson , Heinz-Herbert Muller , Rudolf Uchdorf
IPC分类号： C07C209/24
CPC分类号： C07C209/78 , C07C211/50
摘要： The invention provides an improved process for preparing diamines and polyamines from the diphenylmethane series by reacting aniline and formaldehyde in the presence of an acid catalyst, the improvement involving the aniline containing less than about 3 wt. % of diamines and polyamines from the diphenylmethane series, based on the weight of the aniline.
摘要翻译：本发明提供了一种通过在酸催化剂存在下使苯胺和甲醛反应从二苯基甲烷系列制备二胺和多胺的改进方法，涉及含有小于约3wt。基于苯胺的重量，来自二苯基甲烷系列的二胺和多胺的百分比。

2. 发明申请

US20050003553A1 Method and device for determining the isomer composition in isocyanate production processes 有权
标题翻译：用于测定异氰酸酯生产过程中异构体组成的方法和装置
公开(公告)号：US20050003553A1
公开(公告)日：2005-01-06
申请号：US10845727
申请日：2004-05-14
申请人： Jochen Mahrenholtz , Andrea Wimschneider , Hans-Georg Pirkl , Heinz-Herbert Muller , Stefan Dresely , Jeffrey Bolton , Martin Schiffhauer , Gdo Wolf , Johannes Schweer , Martin Gerlach
发明人： Jochen Mahrenholtz , Andrea Wimschneider , Hans-Georg Pirkl , Heinz-Herbert Muller , Stefan Dresely , Jeffrey Bolton , Martin Schiffhauer , Gdo Wolf , Johannes Schweer , Martin Gerlach
IPC分类号： C07C265/00 , C07C263/20 , C07C265/14 , G01J3/433 , G01N21/25 , G01N21/35 , G01N21/65 , G01N33/00
CPC分类号： G01N21/359 , G01J3/433 , G01N21/3577 , G01N21/65 , G01N2021/8416 , G01N2201/1293 , Y10T436/12 , Y10T436/17 , Y10T436/172307
摘要： The invention relates to a method for determining the isomer composition in an isocyanate isomer mixture, wherein a spectrum of the isomer mixture is recorded and the spectrum is entered into a chemometric calibration model.
摘要翻译：本发明涉及一种用于测定异氰酸酯异构体混合物中的异构体组合物的方法，其中记录异构体混合物的光谱，并将光谱输入到化学计量校准模型中。

3. 发明申请

US20050240054A1 Production of di- and polyisocyanates of the diphenylmethane series with defined acidity 有权
标题翻译：生产具有确定酸度的二苯基甲烷系列的二异氰酸酯和多异氰酸酯
公开(公告)号：US20050240054A1
公开(公告)日：2005-10-27
申请号：US11048667
申请日：2005-02-01
申请人： Ulrich Liman , Heinz-Herbert Muller , Robert Vieler , Ralf Echterhoff
发明人： Ulrich Liman , Heinz-Herbert Muller , Robert Vieler , Ralf Echterhoff
IPC分类号： C07C263/10 , C07C263/20 , C07C265/14 , C08G18/02 , C08G18/08 , C08G18/76
CPC分类号： C07C263/10 , C07C263/20 , C08G18/7664 , C07C265/14
摘要： The invention relates to a process for the production of di- and polyisocyanates of the diphenylmethane series and mixtures thereof, in which aniline and formaldehyde are reacted in the presence of an acid catalyst to form di- and polyamines of the diphenylmethane series; the di- and polyamines of the diphenylmethane series are phosgenated, optionally in the presence of a solvent, to obtain a crude di- and polyisocyanate; from the crude di- and polyisocyanate, at least one fraction containing at least 5 wt. % 3-ring and multi-ring MDI and at least one fraction containing at least 95 wt. % 2-ring MDI are separated by distillation, and the acidities of the fraction containing at least 5 wt. % 3-ring MDI and multi-ring MDI, and/or the fraction containing at least 95 wt. % 2-ring MDI are determined analytically; and an acidic compound is added to the fraction containing at least 5 wt. % 3-ring MDI and multi-ring MDI, and/or the fraction containing at least 95 wt. % 2-ring MDI, so that the desired acidity is achieved.
摘要翻译：本发明涉及二苯基甲烷系列的二异氰酸酯和多异氰酸酯的制造方法及其混合物，其中苯胺和甲醛在酸催化剂的存在下反应形成二苯基甲烷系列的二胺和多胺; 任选在溶剂存在下，将二苯基甲烷系列的二胺和多胺光气化，得到粗二异氰酸酯和多异氰酸酯; 从粗二异氰酸酯和多异氰酸酯，至少含有至少5wt。％3环和多环MDI和至少一个含有至少95wt。通过蒸馏分离％2环MDI，并且所述馏分的酸度至少为5重量％％3环MDI和多环MDI，和/或含有至少95重量％％2环MDI是分析确定的; 并将酸性化合物加入到含有至少5wt。％3环MDI和多环MDI，和/或含有至少95重量％％2环MDI，从而达到所需的酸度。

4. 发明申请

US20060094897A1 Process for the preparation of di- and polyamines of the diphenylmethane series 失效
标题翻译：制备二苯基甲烷系列的二胺和多胺的方法
公开(公告)号：US20060094897A1
公开(公告)日：2006-05-04
申请号：US11257713
申请日：2005-10-25
申请人： Heinz-Herbert Muller , Stefan Wershofen , Stefan Grabowski
发明人： Heinz-Herbert Muller , Stefan Wershofen , Stefan Grabowski
IPC分类号： C07C263/04
CPC分类号： C07C263/10 , C07C209/78 , C07C211/50 , C07C265/14
摘要： The present invention relates to a process for the preparation of di- and polyamines of the diphenylmethane series, and to the preparation of di- and polyisocyanates of the diphenylmethane series from these di- and poly-amines. The di- and poly-amines of the diphenylmethane series are prepared by the reaction of aniline and formaldehyde in the presence of hydrochloric acid. In with the present invention, the hydrochloric acid employed contains less than 0.001 wt. % of metal ions which are divalent and/or more than divalent.
摘要翻译：本发明涉及一种制备二苯基甲烷系列的二胺和多胺的方法，以及由这些二胺和多胺制备二苯基甲烷系列的二异氰酸酯和多异氰酸酯。二苯基甲烷系列的二胺和多胺通过苯胺和甲醛在盐酸存在下的反应来制备。在本发明中，所用的盐酸含量小于0.001wt。％的二价和/或多于二价的金属离子。

5. 发明申请

US20090240077A1 PROCESS FOR PRODUCING DIAMINES AND POLYAMINES OF THE DIPHENYLMETHANE SERIES 有权
标题翻译：二氯甲烷系列二胺和多胺的制备方法
公开(公告)号：US20090240077A1
公开(公告)日：2009-09-24
申请号：US12405287
申请日：2009-03-17
申请人： Stefan Wershofen , Heinz-Herbert Muller , Richard Adamson , Fritz Pohl , Knut Sommer
发明人： Stefan Wershofen , Heinz-Herbert Muller , Richard Adamson , Fritz Pohl , Knut Sommer
IPC分类号： C07C263/10 , C07C209/78
CPC分类号： C07C209/78 , C07C263/10 , C07C211/50 , C07C265/14
摘要： The present invention relates to a process for producing diamines and polyamines of the diphenylmethane series (MDA) by reacting aniline and formaldehyde in the presence of an acid catalyst, wherein the aniline contains in total less than 0.5 wt. %, based on the total weight of aniline, of one or more compounds which contain at least one carbonyl group or of one or more compounds that are formed by reaction of these compounds which contain at least one carbonyl group with aniline.
摘要翻译：本发明涉及在酸催化剂存在下使苯胺和甲醛反应制备二苯基甲烷系列（MDA）的二胺和多胺的方法，其中苯胺含量总计小于0.5wt。％，基于苯胺的总重量，含有至少一个羰基的一种或多种化合物或通过含有至少一个羰基的这些化合物与苯胺反应形成的一种或多种化合物。

6. 发明授权

US07528283B2 Process for preparing diamines and polyamines from the diphenylmethane series 有权
标题翻译：从二苯基甲烷系列制备二胺和多胺的方法
公开(公告)号：US07528283B2
公开(公告)日：2009-05-05
申请号：US11657147
申请日：2007-01-24
申请人： Fritz Pohl , Jeffrey Bolton , Richard Adamson , Heinz-Herbert Muller , Rudolf Uchdorf
发明人： Fritz Pohl , Jeffrey Bolton , Richard Adamson , Heinz-Herbert Muller , Rudolf Uchdorf
IPC分类号： C07C209/78
CPC分类号： C07C209/78 , C07C211/50
摘要： The invention provides an improved process for preparing diamines and polyamines from the diphenylmethane series by reacting aniline and formaldehyde in the presence of an acid catalyst, the improvement involving the aniline containing less than about 3 wt. % of diamines and polyamines from the diphenylmethane series, based on the weight of the aniline.
摘要翻译：本发明提供了一种通过在酸催化剂存在下使苯胺和甲醛反应从二苯基甲烷系列制备二胺和多胺的改进方法，涉及含有小于约3wt。基于苯胺的重量，来自二苯基甲烷系列的二胺和多胺的百分比。

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