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公开(公告)号：US20220235176A1
公开(公告)日：2022-07-28
申请号：US17612413
申请日：2020-06-26
摘要： A method for producing polyether ester carbonate polyols by catalytically adding alkylene oxide and carbon dioxide to an H-functional initiator substance in the presence of a double metal cyanide catalyst. The method comprises the following steps: (α) feeding a partial amount of H-functional initiator substance and/or a suspension agent which does not have any H-functional groups into a reactor, optionally together with DMC catalyst, (γ) adding alkylene oxide and optionally carbon dioxide to the reactor during the reaction. The method is characterized in that in step (γ) lactide is added to the reactor.
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公开(公告)号：US11091589B1
公开(公告)日：2021-08-17
申请号：US17262859
申请日：2019-08-02
发明人： Muhammad Afzal Subhani , Rene Boltersdorf , Walter Leitner , Thomas Ernst Mueller , Christoph Guertler , Carsten Koopmans
摘要： The present invention relates to a method for producing an organooxysilyl-crosslinked polymer by reacting a polyether carbonate polyol which contains carbon-carbon double bonds with a polysiloxane compound in the presence of a suitable catalyst. Suitable polysiloxane compounds have at least two Si—H bonds. This invention also relates to organooxysilyl-crosslinked polymers which are formed by this process.
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公开(公告)号：US20210292478A1
公开(公告)日：2021-09-23
申请号：US17257819
申请日：2019-07-16
发明人： Daniela Cozzula , Burkhard Köhler , Muhammad Afzal Subhani , Piotr Putaj , Walter Leitner , Thomas Ernst Mueller , Christoph Guertler , Volker Marker
IPC分类号： C08G65/333 , C08G65/26 , C08G64/42 , C08G64/34
摘要： Provided herein is a process for preparing a heterocycle-functional polyoxyalkylene polyol, in which a polyoxyalkylene polyol having unsaturated groups is reacted with a heterocyclic compound. Also provided herein is a heterocycle-functional polyoxyalkylene polyol, a method of crosslinking a heterocycle-functional polyoxyalkylene polyol, a crosslinked, heterocycle-functional polyoxyalkylene polyol, and related processes.
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公开(公告)号：US20210230361A1
公开(公告)日：2021-07-29
申请号：US17262859
申请日：2019-08-02
发明人： Muhammad Afzal Subhani , Rene Boltersdorf , Walter Leitner , Thomas Ernst Mueller , Christoph Guertler , Carsten Koopmans
摘要： The present invention relates to a method for producing an organooxysilyl-crosslinked polymer by reacting a polyether carbonate polyol which contains carbon-carbon double bonds with a polysiloxane compound in the presence of a suitable catalyst. Suitable polysiloxane compounds have at least two Si—H bonds. This invention also relates to organooxysilyl-crosslinked polymers which are formed by this process.
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