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公开(公告)号：US5252755A
公开(公告)日：1993-10-12
申请号：US990268
申请日：1992-12-14
申请人： Jochem Henkelmann , Thomas Ruehl , Horst Zimmermann , Norbert Goetz , Wolfgang Spiegler , Thomas Kuekenhoehner
发明人： Jochem Henkelmann , Thomas Ruehl , Horst Zimmermann , Norbert Goetz , Wolfgang Spiegler , Thomas Kuekenhoehner
IPC分类号： B01J23/62 , B01J23/656 , B01J23/72 , B01J23/86 , B01J23/88 , C07B61/00 , C07D309/06
CPC分类号： C07D309/06
摘要： A process for the preparation of 4-hydroxymethyltetrahydropyrans of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are hydrogen, C.sub.1 - to C.sub.12 -alkyl, C.sub.3 - to C.sub.8 -cycloalkyl, aryl or C.sub.7 - to C.sub.20 -aralkyl, comprises reacting a tetrahydropyrancarboxylic ester of the formula II ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined above, and R.sup.5 is hydrogen or C.sub.1 - to C.sub.12 -alkyl, at from 50.degree. to 400.degree. C. and at from 1 to 400 bar in the presence of hydrogen and a hydrogenation catalyst.
摘要翻译： 制备式I（I）的4-羟甲基四氢吡喃的方法，其中R 1，R 2，R 3和R 4是氢，C 1 -C 12烷基，C 3 -C 8环烷基，芳基或C 7 -C 20 - 烷基，包括使式II的四氢吡喃羧酸酯（II）与其中R 1，R 2，R 3和R 4如上所定义的R 5是氢或C 1至C 12烷基在50至400℃反应。 在氢气和氢化催化剂的存在下在1至400巴下进行。
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公开(公告)号：US5296614A
公开(公告)日：1994-03-22
申请号：US969725
申请日：1992-10-30
IPC分类号： C07D307/88 , C07D307/87
CPC分类号： C07D307/88
摘要： A process for the preparation of phthalides of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another, are hydrogen, C.sub.1 - to C.sub.4 -alkyl or C.sub.1 - to C.sub.4 -alkoxy, by reacting phthalic anhydrides of the formula II ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined as above, on hydrogenation catalysts at from 50.degree. to 400.degree. C. and at from 1 to 400 bar, wherein the hydrogenation catalysts employed are essentially free from Lewis acids.
摘要翻译： 其中R 1，R 2，R 3和R 4彼此独立地为氢，C 1至C 4 - 烷基或C 1至C 4 - 烷氧基的制备式I的苯并二氢呋喃的方法，其中R 1，R 2，R 3和R 4彼此独立地通过邻苯二甲酸 其中R 1，R 2，R 3和R 4如上所定义的式II的酸酐在氢化催化剂上在50-400℃和1-400巴下进行，其中采用氢化催化剂 基本上不含路易斯酸。
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3.发明授权
公开(公告)号：US5536854A
公开(公告)日：1996-07-16
申请号：US380134
申请日：1995-01-26
申请人： Hans-Juergen Weyer , Rolf Fischer , Franz Merger , Juergen Frank , Jochem Henkelmann , Hardo Siegel , Thomas Ruehl
发明人： Hans-Juergen Weyer , Rolf Fischer , Franz Merger , Juergen Frank , Jochem Henkelmann , Hardo Siegel , Thomas Ruehl
IPC分类号： C07C29/141 , C07C29/149 , C07C29/17 , C07D307/06 , C07D307/08
CPC分类号： C07D307/06 , C07C29/141 , C07C29/149 , C07C29/177
摘要： 2-Methyl-1,4-butanediol and 3-methyltetrahydrofuran are prepared by reacting a compound of the general formula I or II ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or C.sub.1 -C.sub.8 -alkyl and the formyl group of II may also be present as acetal with a C.sub.1 -C.sub.8 -alkanol, is reacted with hydrogen in the presence of copper or of a metal of groups 7 to 10 of the Periodical Table of elements or of a compound of these metals.
摘要翻译： 2-甲基-1,4-丁二醇和3-甲基四氢呋喃通过使通式I或II的化合物（其中R 1和R 2各自为氢或C 1 -C 8 - 烷基）和甲酰基 II族基团也可以与C 1 -C 8 - 链烷醇一起作为缩醛存在，在铜或金属元素周期表第7至10族的金属或这些金属的化合物的存在下与氢反应。
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公开(公告)号：US5395960A
公开(公告)日：1995-03-07
申请号：US234383
申请日：1994-04-28
申请人： Marc Heider , Thomas Ruehl , Jochem Henkelmann
发明人： Marc Heider , Thomas Ruehl , Jochem Henkelmann
IPC分类号： B01J31/20 , B01J31/22 , B01J31/24 , C07B61/00 , C07C67/04 , C07C67/055 , C07C69/24 , C07C69/78 , C07C69/01
CPC分类号： C07C67/04
摘要： Preparation of vinyl carboxylates by the reaction of a carboxylic acid with acetylene in the presence of a platinum metal complex catalyst, which contains as ligands carbon monoxide or a nitrile (I), a tertiary nitrogen base (II), a tertiary phosphorus compound (III) having C-organic and/or O-organic radicals or mixtures of said compounds.The end products serve as monomers or comonomers for polymer dispersions.
摘要翻译： 在铂金属络合物催化剂存在下，通过羧酸与乙炔的反应制备乙烯基羧酸乙烯酯，铂催化剂含有一氧化碳或腈（I），叔氮碱（II），叔磷化合物（III） ）具有C-有机和/或O-有机基团或所述化合物的混合物。 最终产物用作聚合物分散体的单体或共聚单体。
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5.发明申请METHOD FOR OPTIMIZING THE ENERGY BALANCE IN FORMING SECTIONS IN MACHINES FOR THE PRODUCTION OF FIBROUS WEBS, AND FORMING SECTION 失效用于优化生产纤维织物机械成形部分的能量平衡的方法和形成部分公开(公告)号：US20120145346A1
公开(公告)日：2012-06-14
申请号：US13333712
申请日：2011-12-21
IPC分类号： D21F1/08
CPC分类号： D21G9/0027 , D21F1/52 , D21F3/10 , D21F9/003
摘要： A forming section in a machine for producing a web of fibrous material includes a control and/or regulating system including a control and/or regulating device which is connected with at least one device for at least indirect acquisition of one value at least indirectly characterizing the dry content of the fibrous web in a transfer area from the forming section to a following function unit, with a device for input of a desired value for the target dry content, and with at least the control elements of an individual dewatering unit located prior to one of the last dewatering units, or the last dewatering unit inside the compression zone. The control and/or regulating device also includes a device for creating the control variables for controlling the individual dewatering units.
摘要翻译： 用于生产纤维材料纤维网的机器中的成形部分包括控制和/或调节系统，包括控制和/或调节装置，其与至少一个装置连接，至少间接获取一个值，至少间接地表征 在从成形部分到后续功能单元的转移区域中的纤维幅材的干燥含量，用于输入目标干燥含量的期望值的装置，以及至少位于之前的单独脱水单元的控制元件 最后一个脱水单元之一，或压缩区内的最后一个脱水单元。 控制和/或调节装置还包括用于创建用于控制各个脱水单元的控制变量的装置。
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6.发明申请METHOD FOR OPTIMIZING THE ENERGY BALANCE IN FORMING SECTIONS IN MACHINES FOR THE PRODUCTION OF FIBROUS WEBS, AND FORMING SECTION 失效用于优化生产纤维织物机械成形部分的能量平衡的方法和形成部分公开(公告)号：US20110024069A1
公开(公告)日：2011-02-03
申请号：US12858943
申请日：2010-08-18
CPC分类号： D21G9/0027 , D21F1/52 , D21F3/10 , D21F9/003
摘要： The invention relates to a method for optimizing the energy balance of a forming section in a machine for producing fibrous webs, in which a fiber suspension, which is fed to the forming section by way of a material ramp after the immobility point is reached, is passed through at least two dewatering units within a compression zone and to a subsequent functional unit. The invention is characterized in that a setpoint value for a target dryness to be set is predefined based on the existing dewatering elements as a function of a theoretical maximum achievable dryness under plant conditions in the area of the transition zone, said setpoint being selected such that it is less than the theoretical maximum achievable dryness but is equal to or greater than a required minimum dryness in the area of the transition zone, and that the target dryness is controlled by lowering the inlet dryness at one of the last dewatering units disposed in the direction of passage of the fiber suspension within the compression zone.
摘要翻译： 本发明涉及一种用于优化用于生产纤维网的机器中的成形部分的能量平衡的方法，其中在达到不动点之后通过材料斜坡进给到成形部分的纤维悬浮液是 在压缩区内通过至少两个脱水单元，并通过后续的功能单元。 本发明的特征在于，基于现有的脱水元件预先确定要设定的目标干度的设定点值，作为过渡区域区域内工厂条件下理论最大可实现干燥度的函数，所述设定点被选择为使得 它小于理论最大可实现干燥度，但等于或大于过渡区域所需的最小干度，并且通过降低在最后一个脱水单元中的一个上的入口干燥度来控制目标干度 纤维悬浮液在压缩区内通过的方向。
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公开(公告)号：US08382955B2
公开(公告)日：2013-02-26
申请号：US13370697
申请日：2012-02-10
申请人： Markus Häussler , Hans Loser , Volker Schmidt-Rohr , Wolfgang Ruf , Thomas Ruehl
发明人： Markus Häussler , Hans Loser , Volker Schmidt-Rohr , Wolfgang Ruf , Thomas Ruehl
IPC分类号： D21F1/18
摘要： A method for operating a sheet-forming unit of a papermaking machine. At least one fibrous material suspension is fed to a headbox and is conducted in a plurality of turbulence-generating channels to form sub-flows, and fed to a nozzle. From the nozzle, the at least one fibrous material suspension is in the form of a free jet into the forming unit to define an impingement line. In a final fluidization region of an individual turbulence-generating channel a pressure loss (Δp) of ≧50 mbar is generated within the fibrous material suspension before inlet thereof into the nozzle, and the fibrous material suspension is guided from the final fluidization region as far as the impingement line in such a way that the dwell time of the suspension in the region defined by the final fluidization region as far as the impingement line ranges from >30 ms to ≦300 ms.
摘要翻译： 一种用于操作造纸机的片材形成单元的方法。 将至少一种纤维材料悬浮液供给到流浆箱中，并且在多个产生湍流的通道中传导以形成子流，并且进料到喷嘴。 从喷嘴，至少一个纤维材料悬浮液为形成单元的自由射流的形式，以限定冲击线。 在单个湍流产生通道的最终流化区域内，在纤维材料悬浮液进入喷嘴之前，在纤维材料悬浮液内产生≥50mbar的压力损失（＆Dgr; p），并且将纤维材料悬浮液从最终流化区域 直到冲击线，使得悬挂在由最终流化区域限定的区域中的停留时间直到冲击线的范围在> 30ms至＆lt; nlE; 300ms之间。
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8.发明授权Method for optimizing the energy balance in forming sections in machines for the production of fibrous webs, and forming section using control elements associated with dewatering units 失效在用于生产纤维幅材的机器中形成部分中的能量平衡优化的方法，以及使用与脱水单元相关联的控制元件形成部分公开(公告)号：US08323452B2
公开(公告)日：2012-12-04
申请号：US13333712
申请日：2011-12-21
CPC分类号： D21G9/0027 , D21F1/52 , D21F3/10 , D21F9/003
摘要： A forming section in a machine for producing a web of fibrous material includes a control and/or regulating system including a control and/or regulating device which is connected with at least one device for at least indirect acquisition of one value at least indirectly characterizing the dry content of the fibrous web in a transfer area from the forming section to a following function unit, with a device for input of a desired value for the target dry content, and with at least the control elements of an individual dewatering unit located prior to one of the last dewatering units, or the last dewatering unit inside the compression zone. The control and/or regulating device also includes a device for creating the control variables for controlling the individual dewatering units.
摘要翻译： 用于生产纤维材料纤维网的机器中的成形部分包括控制和/或调节系统，包括控制和/或调节装置，其与至少一个装置连接，至少间接获取一个值，至少间接地表征 在从成形部分到后续功能单元的转移区域中的纤维幅材的干燥含量，用于输入目标干燥含量的期望值的装置，以及至少位于之前的单独脱水单元的控制元件 最后一个脱水单元之一，或压缩区内的最后一个脱水单元。 控制和/或调节装置还包括用于创建用于控制各个脱水单元的控制变量的装置。
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9.发明授权Method for optimizing the energy balance in forming sections in machines for the production of fibrous webs, and forming section 失效用于优化在用于生产纤维幅材的机器中形成部分的能量平衡的方法以及形成部分公开(公告)号：US08349136B2
公开(公告)日：2013-01-08
申请号：US12858943
申请日：2010-08-18
CPC分类号： D21G9/0027 , D21F1/52 , D21F3/10 , D21F9/003
摘要： The invention relates to a method for optimizing the energy balance of a forming section in a machine for producing fibrous webs, in which a fiber suspension, which is fed to the forming section by way of a material ramp after the immobility point is reached, is passed through at least two dewatering units within a compression zone and to a subsequent functional unit. The invention is characterized in that a setpoint value for a target dryness to be set is predefined based on the existing dewatering elements as a function of a theoretical maximum achievable dryness under plant conditions in the area of the transition zone, said setpoint being selected such that it is less than the theoretical maximum achievable dryness but is equal to or greater than a required minimum dryness in the area of the transition zone, and that the target dryness is controlled by lowering the inlet dryness at one of the last dewatering units disposed in the direction of passage of the fiber suspension within the compression zone.
摘要翻译： 本发明涉及一种用于优化用于生产纤维网的机器中的成形部分的能量平衡的方法，其中在达到不动点之后通过材料斜坡进给到成形部分的纤维悬浮液是 在压缩区内通过至少两个脱水单元，并通过后续的功能单元。 本发明的特征在于，基于现有的脱水元件预先确定要设定的目标干度的设定点值，作为过渡区域区域内工厂条件下理论最大可实现干燥度的函数，所述设定点被选择为使得 它小于理论最大可实现干燥度，但等于或大于过渡区域所需的最小干度，并且通过降低在最后一个脱水单元中的一个上的入口干燥度来控制目标干度 纤维悬浮液在压缩区内通过的方向。
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公开(公告)号：US20120193059A1
公开(公告)日：2012-08-02
申请号：US13370697
申请日：2012-02-10
申请人： Markus Häussler , Hans Loser , Volker Schmidt-Rohr , Wolfgang Ruf , Thomas Ruehl
发明人： Markus Häussler , Hans Loser , Volker Schmidt-Rohr , Wolfgang Ruf , Thomas Ruehl
IPC分类号： D21F1/00
摘要： A method for operating a sheet-forming unit of a papermaking machine. At least one fibrous material suspension is fed to a headbox and is conducted in a plurality of turbulence-generating channels to form sub-flows, and fed to a nozzle. From the nozzle, the at least one fibrous material suspension is in the form of a free jet into the forming unit to define an impingement line. In a final fluidization region of an individual turbulence-generating channel a pressure loss (Δp) of ≧50 mbar is generated within the fibrous material suspension before inlet thereof into the nozzle, and the fibrous material suspension is guided from the final fluidization region as far as the impingement line in such a way that the dwell time of the suspension in the region defined by the final fluidization region as far as the impingement line ranges from >30 ms to ≦300 ms.
摘要翻译： 一种用于操作造纸机的片材形成单元的方法。 将至少一种纤维材料悬浮液供给到流浆箱中，并且在多个产生湍流的通道中传导以形成子流，并且进料到喷嘴。 从喷嘴，至少一个纤维材料悬浮液为形成单元的自由射流的形式，以限定冲击线。 在单个湍流产生通道的最终流化区域内，在纤维材料悬浮液进入喷嘴之前，在纤维材料悬浮液内产生≥50mbar的压力损失（＆Dgr; p），并且将纤维材料悬浮液从最终流化区域 直到冲击线，使得悬挂在由最终流化区域限定的区域中的停留时间直到冲击线的范围在> 30ms至＆lt; nlE; 300ms之间。
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