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1.
公开(公告)号:US09132387B2
公开(公告)日:2015-09-15
申请号:US13712536
申请日:2012-12-12
CPC分类号: B01D61/246 , B01D11/0288 , B01D11/0292 , B01D11/0415 , B01D61/243 , C07C41/38
摘要: The invention relates to a process for working-up a reaction mixture (5) comprising polyetherol and dissolved alkali metal comprising catalyst, wherein at least alkali metal ions of the dissolved alkali metal comprising catalyst are partially or completely removed from the mixture by a membrane separation process, the process comprising following steps: (a) feeding the reaction mixture (5) comprising polyetherol and dissolved alkali metal comprising catalyst into a first chamber (1) of a separation unit (3), (b) feeding a solvent into a second chamber (7) of the separation unit (3), the first chamber (1) and the second chamber (7) being separated by a membrane (9), (c) transporting at least the alkali metal ions of the alkali metal comprising catalyst from the first chamber (1) into the second chamber by passing through the membrane (9).
摘要翻译: 本发明涉及一种用于处理包含聚醚醚和包含催化剂的溶解的碱金属的反应混合物(5)的方法,其中至少包含催化剂的溶解的碱金属的碱金属离子通过膜分离部分或完全从混合物中除去 方法包括以下步骤:(a)将包含聚乙烯醇和包含催化剂的溶解的碱金属的反应混合物(5)进料到分离单元(3)的第一室(1)中,(b)将溶剂进料到第二 分离单元(3)的室(7),第一室(1)和第二室(7)被隔膜(9)隔开,(c)至少输送包含催化剂的碱金属的碱金属离子 从第一腔室(1)通过膜(9)进入第二腔室。
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2.
公开(公告)号:US20130146537A1
公开(公告)日:2013-06-13
申请号:US13712536
申请日:2012-12-12
IPC分类号: B01D61/24
CPC分类号: B01D61/246 , B01D11/0288 , B01D11/0292 , B01D11/0415 , B01D61/243 , C07C41/38
摘要: The invention relates to a process for working-up a reaction mixture (5) comprising polyetherol and dissolved alkali metal comprising catalyst, wherein at least alkali metal ions of the dissolved alkali metal comprising catalyst are partially or completely removed from the mixture by a membrane separation process, the process comprising following steps: (a) feeding the reaction mixture (5) comprising polyetherol and dissolved alkali metal comprising catalyst into a first chamber (1) of a separation unit (3), (b) feeding a solvent into a second chamber (7) of the separation unit (3), the first chamber (1) and the second chamber (7) being separated by a membrane (9), (c) transporting at least the alkali metal ions of the alkali metal comprising catalyst from the first chamber (1) into the second chamber by passing through the membrane (9).
摘要翻译: 本发明涉及一种用于处理包含聚醚醚和包含催化剂的溶解的碱金属的反应混合物(5)的方法,其中至少包含催化剂的溶解的碱金属的碱金属离子通过膜分离部分或完全从混合物中除去 方法包括以下步骤:(a)将包含聚乙烯醇和包含催化剂的溶解的碱金属的反应混合物(5)进料到分离单元(3)的第一室(1)中,(b)将溶剂进料到第二 分离单元(3)的室(7),第一室(1)和第二室(7)被隔膜(9)隔开,(c)至少输送包含催化剂的碱金属的碱金属离子 从第一腔室(1)通过膜(9)进入第二腔室。
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公开(公告)号:US20130118980A1
公开(公告)日:2013-05-16
申请号:US13676439
申请日:2012-11-14
CPC分类号: B01D15/10 , B01D61/00 , B01D67/0006 , B01D71/64 , B01D71/82 , B01D2323/30 , B01J20/262 , B01J20/285 , C08G18/346 , C08G18/4854 , C08G18/7657 , C08G18/7664
摘要: The present invention relates to a polymeric material obtainable by reaction of (A) at least one polyimide selected from condensation products of (a) at least one polyisocyanate having on average at least two isocyanate groups per molecule and (b) at least one polycarboxylic acid having at least 3 COOH groups per molecule or anhydride thereof, (B) at least one diol or triol.
摘要翻译: 本发明涉及通过(A)至少一种聚酰亚胺的反应获得的聚合物材料,所述聚酰亚胺选自(a)每分子平均具有至少两个异氰酸酯基团的至少一种多异氰酸酯的缩合产物和(b)至少一种多元羧酸 每分子具有至少3个COOH基团或其酸酐,(B)至少一种二醇或三醇。
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