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1. 发明授权

US08138283B2 Method for changing the predefined mean molecular weight Mn during the continuous production of polytetrahydrofuranes or THF copolymers 有权
标题翻译：在连续生产聚四氢呋喃或THF共聚物期间改变预定平均分子量Mn的方法
公开(公告)号：US08138283B2
公开(公告)日：2012-03-20
申请号：US12295152
申请日：2007-12-10
申请人： Rolf Pinkos , Jochen Steiner , Stefan Käshammer , Tobias Wabnitz
发明人： Rolf Pinkos , Jochen Steiner , Stefan Käshammer , Tobias Wabnitz
IPC分类号： C08G65/20 , C08G65/46
CPC分类号： C08G65/20 , C08G65/2657 , C08G65/266 , C08G65/2696
摘要： The present invention provides a process for changing the given mean molecular weight Mn in the continuous preparation of polytetrahydrofuran or tetrahydrofuran copolymers, the mono- or diesters of polytetrahydrofuran or of tetrahydrofuran copolymers by polymerizing tetrahydrofuran in the presence of a telogen and/or of a comonomer over an acidic catalyst, wherein a) the molar ratio of telogen to tetrahydrofuran or to tetrahydrofuran and comonomer is changed, b) then the mean molecular weight of at least one sample is determined, c) until the mean molecular weight thus determined differs from the molecular weight to be achieved by the change, the already formed polytetrahydrofuran or the tetrahydrofuran copolymers, the mono- or diesters of polytetrahydrofuran or tetrahydrofuran copolymer is at least partly depolymerized over an acidic catalyst and d) the tetrahydrofuran recovered by depolymerization is recycled at least partly into the polymerization.
摘要翻译：本发明提供了在四氢呋喃或四氢呋喃共聚物的连续制备中改变给定的平均分子量Mn的方法，所述共聚单体是四氢呋喃或四氢呋喃共聚物的单酯或二酯，其在四环缩聚物和/或共聚单体存在下聚合四氢呋喃在酸性催化剂上，其中a）季戊四醇与四氢呋喃或四氢呋喃和共聚单体的摩尔比改变，b）确定至少一种样品的平均分子量，c）直到如此确定的平均分子量与通过改变实现的分子量，已经形成的聚四氢呋喃或四氢呋喃共聚物，聚四氢呋喃或四氢呋喃共聚物的单酯或二酯在酸性催化剂上至少部分解聚，以及d）通过解聚回收的四氢呋喃至少部分地再循环进入聚合。

2. 发明申请

US20100240864A1 METHOD FOR CHANGING THE PREDEFINED MEAN MOLECULAR WEIGHT MN DURING THE CONTINUOUS PRODUCTION OF POLYTETRAHYDROFURANES OR THE COPOLYMERS 有权
标题翻译：在连续生产聚四氢呋喃或共聚物期间改变预测的均分子量MN的方法
公开(公告)号：US20100240864A1
公开(公告)日：2010-09-23
申请号：US12295152
申请日：2007-12-10
申请人： Rolf Pinkos , Jochen Steiner , Stefan Käshammer , Tobias Wabnitz
发明人： Rolf Pinkos , Jochen Steiner , Stefan Käshammer , Tobias Wabnitz
IPC分类号： C08G65/20
CPC分类号： C08G65/20 , C08G65/2657 , C08G65/266 , C08G65/2696
摘要： The present invention provides a process for changing the given mean molecular weight Mn in the continuous preparation of polytetrahydrofuran or tetrahydrofuran copolymers, the mono- or diesters of polytetrahydrofuran or of tetrahydrofuran copolymers by polymerizing tetrahydrofuran in the presence of a telogen and/or of a comonomer over an acidic catalyst, wherein a) the molar ratio of telogen to tetrahydrofuran or to tetrahydrofuran and comonomer is changed, b) then the mean molecular weight of at least one sample is determined, c) until the mean molecular weight thus determined differs from the molecular weight to be achieved by the change, the already formed polytetrahydrofuran or the tetrahydrofuran copolymers, the mono- or diesters of polytetrahydrofuran or tetrahydrofuran copolymer is at least partly depolymerized over an acidic catalyst and d) the tetrahydrofuran recovered by depolymerization is recycled at least partly into the polymerization.
摘要翻译：本发明提供了在四氢呋喃或四氢呋喃共聚物的连续制备中改变给定的平均分子量Mn的方法，所述共聚单体是四氢呋喃或四氢呋喃共聚物的单酯或二酯，其在四环缩聚物和/或共聚单体存在下聚合四氢呋喃在酸性催化剂上，其中a）季戊四醇与四氢呋喃或四氢呋喃和共聚单体的摩尔比改变，b）确定至少一种样品的平均分子量，c）直到如此确定的平均分子量与通过改变实现的分子量，已经形成的聚四氢呋喃或四氢呋喃共聚物，聚四氢呋喃或四氢呋喃共聚物的单酯或二酯在酸性催化剂上至少部分解聚，以及d）通过解聚回收的四氢呋喃至少部分地再循环进入聚合。

3. 发明授权

US08030439B2 Method for the production of polytetrahydrofurane or tetrahydrofurane copolymers 有权
标题翻译：生产聚四氢呋喃或四氢呋喃共聚物的方法
公开(公告)号：US08030439B2
公开(公告)日：2011-10-04
申请号：US12303491
申请日：2007-05-25
申请人： Tobias Wabnitz , Stephan Hatscher , Stefan Käshammer , Rolf Pinkos
发明人： Tobias Wabnitz , Stephan Hatscher , Stefan Käshammer , Rolf Pinkos
IPC分类号： C08G59/00
CPC分类号： C08G65/20
摘要： The present invention relates to a process for preparing polytetrahydrofuran or tetrahydrofuran copolymers by polymerization of tetrahydrofuran in the presence of a telogen and/or a comonomer over a fixed bed of an acid catalyst, in which the temperature of the polymerization mixture increases in the direction of flow through the catalyst bed.
摘要翻译：本发明涉及在四氢呋喃的存在下，在酸催化剂的固定床上，在四氢呋喃和/或共聚单体存在下聚合制备聚四氢呋喃或四氢呋喃共聚物的方法，其中聚合混合物的温度在流过催化剂床。

4. 发明申请

US20110224401A1 APPARATUS FOR SEPARATION BY DISTILLATION 审中-公开
标题翻译：通过蒸馏分离的装置
公开(公告)号：US20110224401A1
公开(公告)日：2011-09-15
申请号：US13131790
申请日：2009-11-29
申请人： Stefan Käshammer , Rolf Pinkos , Tobias Wabnitz , Rolf-Hartmuth Fischer
发明人： Stefan Käshammer , Rolf Pinkos , Tobias Wabnitz , Rolf-Hartmuth Fischer
IPC分类号： B01D3/14 , C08G65/20 , C08G63/00
CPC分类号： B01D1/065 , B01D1/22 , B01D3/06 , C08G65/20 , C08G65/30
摘要： The invention relates to an apparatus for separating a liquid substance mixture by distillation, a method for producing a tetrahydrofuran homopolymer and copolymer in which the oligomers in a liquid starting mixture containing oligomers are separated by distillation in such an apparatus, tetrahydrofuran homopolymers and copolymers which can be obtained using said method and have a narrow distribution of the relative molar mass, and the use thereof.
摘要翻译：本发明涉及一种通过蒸馏分离液体物质混合物的装置，四氢呋喃均聚物和共聚物的制备方法，其中含有低聚物的液体起始混合物中的低聚物在这种装置中通过蒸馏分离，四氢呋喃均聚物和共聚物可以使用所述方法获得并且具有相对摩尔质量的窄分布及其用途。

5. 发明申请

US20090215971A1 METHOD FOR THE PRODUCTION OF POLYTETRAHYDROFURANE OR TETRAHYDROFURANE COPOLYMERS 有权
标题翻译：聚四氢呋喃或四氢呋喃共聚物的制备方法
公开(公告)号：US20090215971A1
公开(公告)日：2009-08-27
申请号：US12303491
申请日：2007-05-25
申请人： Tobias Wabnitz , Stephan Hatscher , Stefan Käshammer , Rolf Pinkos
发明人： Tobias Wabnitz , Stephan Hatscher , Stefan Käshammer , Rolf Pinkos
IPC分类号： C08F2/01 , C08G67/00 , C08F4/06 , C08F4/16 , C08F4/12
CPC分类号： C08G65/20
摘要： The present invention relates to a process for preparing polytetrahydrofuran or tetrahydrofuran copolymers by polymerization of tetrahydrofuran in the presence of a telogen and/or a comonomer over a fixed bed of an acid catalyst, in which the temperature of the polymerization mixture increases in the direction of flow through the catalyst bed.
摘要翻译：本发明涉及在四氢呋喃的存在下，在酸催化剂的固定床上，在四氢呋喃和/或共聚单体存在下聚合制备聚四氢呋喃或四氢呋喃共聚物的方法，其中聚合混合物的温度在流过催化剂床。

6. 发明授权

US07276573B2 Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers 有权
标题翻译：聚四氢呋喃和四氢呋喃共聚物的单酯和二酯的制备方法
公开(公告)号：US07276573B2
公开(公告)日：2007-10-02
申请号：US10527583
申请日：2003-09-04
申请人： Rolf Pinkos , Achim Gerstlauer , Martin Haubner , Stephan Schlitter , Stefan Käshammer , Klaus-Peter Pfaff
发明人： Rolf Pinkos , Achim Gerstlauer , Martin Haubner , Stephan Schlitter , Stefan Käshammer , Klaus-Peter Pfaff
IPC分类号： C08G65/04 , C07D307/00 , C07C67/24
CPC分类号： C08G65/20
摘要： The present invention provides a process for preparing mono- or diesters of polytetrahydrofuran or of tetrahydrofuran copolymers by polymerizing tetrahydrofuran in the presence of at least one telogen and/or of a comonomer over an acidic catalyst, wherein the polymerization reactor is started up using a mixture of polytetrahydrofuran, the mono- or diesters of polytetrahydrofuran and/or of the THF copolymers, tetrahydrofuran, any comonomer and at least one carboxylic acid and/or one carboxylic anhydride.
摘要翻译：本发明提供了一种通过在酸性催化剂上在至少一种环糊精和/或共聚单体存在下使四氢呋喃聚合来制备聚四氢呋喃或四氢呋喃共聚物的单酯或二酯的方法，其中聚合反应器使用混合物的聚四氢呋喃，聚四氢呋喃和/或THF共聚物，四氢呋喃，任何共聚单体和至少一种羧酸和/或一种羧酸酐的单酯或二酯。

7. 发明授权

US07098349B2 Method for producing tetrahydrofuran 有权
公开(公告)号：US07098349B2
公开(公告)日：2006-08-29
申请号：US10524851
申请日：2003-07-30
申请人： Rolf Pinkos , Stefan Käshammer , Volkmar Menger , Martin Haubner , Peter Groll , Stephan Schlitter , Klaus-Peter Pfaff
发明人： Rolf Pinkos , Stefan Käshammer , Volkmar Menger , Martin Haubner , Peter Groll , Stephan Schlitter , Klaus-Peter Pfaff
IPC分类号： C07D307/02
CPC分类号： C08G65/20 , C07D307/08 , C08G65/2666
摘要： The invention relates to a process for the continuous preparation of THF by reaction of a 1,4-butanediol-containing reaction mixture over a heteropolyacid catalyst which has not been predried, wherein the reaction mixture comprises 2-(4-hydroxybutoxy)tetrahydrofuran.

8. 发明授权

US07449422B2 Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst 有权
公开(公告)号：US07449422B2
公开(公告)日：2008-11-11
申请号：US10529035
申请日：2003-09-12
申请人： Stephan Schlitter , Martin Haubner , Michael Hesse , Stefan Käshammer , Rolf Pinkos , Christoph Sigwart
发明人： Stephan Schlitter , Martin Haubner , Michael Hesse , Stefan Käshammer , Rolf Pinkos , Christoph Sigwart
IPC分类号： B01J2/16
CPC分类号： C08G61/125 , B01J21/16 , B01J35/002 , B01J35/1014 , B01J35/1019 , B01J35/108 , C08G65/2657
摘要： The present invention relates to a solid, acid catalyst for the preparation of polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer, which has a BET surface area of at least 160 m2/g and an acid center density of at least 0.05 mmol/g for pKa values of from 1 to 6, to a process for preparing it and to a process for the polymerization of cyclic ethers over this catalyst.

9. 发明申请

US20120059143A1 PREPARING POLYESTER ALCOHOLS 审中-公开
标题翻译：制备聚酯醇
公开(公告)号：US20120059143A1
公开(公告)日：2012-03-08
申请号：US13227068
申请日：2011-09-07
申请人： Gerlinde Tischer , Ulrike Mahn , Stefan Käshammer , Hermann Graf , Christian Seitz , Christian Nitschke , Dieter Rodewald
发明人： Gerlinde Tischer , Ulrike Mahn , Stefan Käshammer , Hermann Graf , Christian Seitz , Christian Nitschke , Dieter Rodewald
IPC分类号： C08G63/80 , C08G63/668
CPC分类号： C08G63/78 , C08G18/4252 , C08G63/672
摘要： The subject of the present invention is a process for preparing polyester alcohols by condensation of polytetrahydrofuran with aromatic dicarboxylic acids and/or their anhydrides in the presence of a transesterification catalyst in a multi-stage operation at different pressure levels with at least one reaction stage at atmospheric pressure and at least one reaction stage at reduced pressure, where distillate is removed from the reaction system, which process comprises heating the reaction mixture in two or more phases in the atmospheric-pressure reaction stage wherein the heating phases are interrupted by at least one phase in which the temperature is kept constant.
摘要翻译：本发明的主题是通过在不同压力水平的多级操作中在酯交换催化剂存在下，将聚四氢呋喃与芳族二羧酸和/或它们的酸酐缩合制备聚酯醇的方法，其中至少一个反应阶段在大气压力和至少一个反应阶段，其中从反应体系中除去馏出物，该方法包括在大气压反应阶段中将反应混合物加热至两相或更多阶段，其中加热阶段被至少一个温度保持恒定的相。

10. 发明授权

US06563004B2 Process for preparing monoisopropylamine 失效
标题翻译：单异丙胺的制备方法
公开(公告)号：US06563004B2
公开(公告)日：2003-05-13
申请号：US09729461
申请日：2000-12-05
申请人： Jan Nouwen , Stefan Käshammer , Arthur Höhn , Frank Funke , Johann-Peter Melder , Frank Gutschoven , Philip Buskens
发明人： Jan Nouwen , Stefan Käshammer , Arthur Höhn , Frank Funke , Johann-Peter Melder , Frank Gutschoven , Philip Buskens
IPC分类号： C07C20926
CPC分类号： C07C209/26 , C07C211/06
摘要： Monoisopropylamine is prepared by reacting acetone with ammonia and with hydrogen at elevated temperature and elevated pressure in the presence of a catalyst, wherein the catalytically active mass of the catalyst comprises, after its preparation and before the treatment with hydrogen, from 20 to 90% by weight of aluminum oxide (Al2O3), zirconium dioxide (ZrO2), titanium dioxide (TiO2) and/or silicon dioxide (SiO2), from 1 to 70% by weight of oxygen-containing compounds of copper, calculated as CuO, from 1 to 70% by weight of oxygen-containing compounds of nickel, calculated as NiO, and from 1 to 70% by weight of oxygen-containing compounds of cobalt, calculated as CoO.
摘要翻译：通过使丙酮与氨和氢气在升高的温度和升高的压力下在催化剂存在下反应制备单异丙胺，其中催化活性物质在其制备之后和在用氢处理之前包含20-90％氧化铝（Al 2 O 3），二氧化锆（ZrO 2），二氧化钛（TiO 2）和/或二氧化硅（SiO 2）的重量，1至70重量％的以CuO计的氧含氧化合物，1至 70重量％的以NiO计的含氧化合物的镍和1-70重量％的以CoO计的钴的含氧化合物。

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