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1. 发明授权

US07576162B2 Chemical process 失效
标题翻译：化学工艺
公开(公告)号：US07576162B2
公开(公告)日：2009-08-18
申请号：US11471881
申请日：2006-06-21
申请人： Oliver Struck , Andreas Pingel-Keuth , Christian Przybyla , Ulrich Fehrenbacher , Thomas Hirth , Steffen Unser
发明人： Oliver Struck , Andreas Pingel-Keuth , Christian Przybyla , Ulrich Fehrenbacher , Thomas Hirth , Steffen Unser
IPC分类号： C08L77/00 , C08G73/02 , C08F6/00
CPC分类号： C08G59/10 , C08G65/30 , C08G73/022 , C08G73/0286 , Y02P20/544
摘要： The invention relates to a process for the production of a nitrogen containing epihalohydrin polymer involving reaction of a nitrogen-containing precursor selected from the group consisting of amines, poly-amines, polyaminoamides, polyurethanes and mixtures thereof with epihalohydrin to form of a solution of said epihalohydrin polymer, the process comprising a purification step to remove organic impurities from the formed solution of the epihalohydrin polymer, said purification step comprising contacting the solution of the epihalohydrin polymer with a fluid under liquid, supercritical or near supercritical conditions to effect extraction of organic impurities from the solution of the epihalohydrin polymer to the fluid, withdrawing fluid enriched in organic impurities from the solution of the epihalohydrin polymer, and separating extracted impurities from the withdrawn fluid, wherein the fluid comprises a substance that at atmospheric pressure and room temperature (about 25° C.) is gaseous. The invention also relates to a process for purifying a solution of a nitrogen containing epihalohydrin polymer.
摘要翻译：本发明涉及一种生产含氮表卤代醇聚合物的方法，其涉及选自胺，多胺，聚氨基酰胺，聚氨酯及其与表卤代醇的混合物的含氮前体与所述表面卤代醇聚合物，该方法包括从形成的表卤醇聚合物的溶液中除去有机杂质的纯化步骤，所述纯化步骤包括将表卤代醇聚合物溶液与液体，超临界或近超临界条件下的流体接触以实现有机杂质的萃取从表卤代醇聚合物的溶液到液体，从表卤代醇聚合物的溶液中排出富含有机杂质的流体，并从抽出的流体中分离提取的杂质，其中流体包括在大气压和室温（约25℃） °C）是ga 好的本发明还涉及一种纯化含氮表卤醇聚合物溶液的方法。

2. 发明申请

US20070004901A1 Chemical process 失效
标题翻译：化学工艺
公开(公告)号：US20070004901A1
公开(公告)日：2007-01-04
申请号：US11471881
申请日：2006-06-21
申请人： Oliver Struck , Andreas Pingel-Keuth , Christian Przybyla , Ulrich Fehrenbacher , Thomas Hirth , Steffen Unser
发明人： Oliver Struck , Andreas Pingel-Keuth , Christian Przybyla , Ulrich Fehrenbacher , Thomas Hirth , Steffen Unser
IPC分类号： C08G59/00 , C08F6/00 , C08G65/00
CPC分类号： C08G59/10 , C08G65/30 , C08G73/022 , C08G73/0286 , Y02P20/544
摘要： The invention relates to a process for the production of a nitrogen containing epihalohydrin polymer involving reaction of a nitrogen-containing precursor selected from the group consisting of amines, poly-amines, polyaminoamides, polyurethanes and mixtures thereof with epihalohydrin to form of a solution of said epihalohydrin polymer, the process comprising a purification step to remove organic impurities from the formed solution of the epihalohydrin polymer, said purification step comprising contacting the solution of the epihalohydrin polymer with a fluid under liquid, supercritical or near supercritical conditions to effect extraction of organic impurities from the solution of the epihalohydrin polymer to the fluid, withdrawing fluid enriched in organic impurities from the solution of the epihalohydrin polymer, and separating extracted impurities from the withdrawn fluid, wherein the fluid comprises a substance that at atmospheric pressure and room temperature (about 25° C.) is gaseous. The invention also relates to a process for purifying a solution of a nitrogen containing epihalohydrin polymer.
摘要翻译：本发明涉及一种生产含氮表卤代醇聚合物的方法，其涉及选自胺，聚胺，聚氨基酰胺，聚氨酯及其与表卤代醇的混合物的含氮前体与所述表面卤代醇聚合物，该方法包括从形成的表卤醇聚合物的溶液中除去有机杂质的纯化步骤，所述纯化步骤包括将表卤代醇聚合物的溶液与液体，超临界或接近超临界条件下的流体接触以实现有机杂质的萃取从表卤代醇聚合物的溶液到液体，从表卤代醇聚合物的溶液中排出富含有机杂质的流体，并从抽出的流体中分离提取的杂质，其中流体包括在大气压和室温（约25℃） °C）是ga 好的本发明还涉及一种纯化含氮表卤醇聚合物溶液的方法。

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