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公开(公告)号：US20100190952A1
公开(公告)日：2010-07-29
申请号：US12665585
申请日：2008-06-11
申请人： Phillippe Desbois , Michael Kopietz , Ralf Neuhaus , Hagen Stawitzki , Hans-Joachim Weis , Jochen Engelmann
发明人： Phillippe Desbois , Michael Kopietz , Ralf Neuhaus , Hagen Stawitzki , Hans-Joachim Weis , Jochen Engelmann
IPC分类号： C08G69/28
CPC分类号： C08G69/265 , B29C47/822 , C08G69/30
摘要： In a process for preparing a polyamide based on dicarboxylic acids and diamines in an extruder, a solid mixture comprising a monomer mixture composed of 50 mol % of dicarboxylic acid mixture composed of from 60 to 88 % by weight of terephthalic acid and from 12 to 40% by weight of isophthalic acid, in which up to 20% by weight of the dicarboxylic acid mixture may also be replaced by other dicarboxylic acids, and 50 mol % of hexamethylenediamine which may be up to 20% by weight replaced by other C2-30-diamines, in a corotatory twin-screw extruder for a residence time of from 10 seconds to 30 minutes, is heated to a temperature in the range from 150 to 400° C. while removing steam and if appropriate diamines through venting orifices.
摘要翻译： 在挤出机中制备基于二羧酸和二胺的聚酰胺的方法中，包含由50摩尔％的由对苯二甲酸的重量比为60-88％的二羧酸混合物和12-40的二羧酸混合物组成的单体混合物的固体混合物 重量％的间苯二甲酸，其中高达20重量％的二羧酸混合物也可以被其它二羧酸代替，并且50摩尔％的六亚甲基二胺可以被其他C2-30重量代替 - 二胺在旋转双螺杆挤出机中停留时间为10秒至30分钟，加热至150-400℃的温度，同时除去蒸汽，如果合适的话，将其加热至通过排气孔。
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公开(公告)号：US08765902B2
公开(公告)日：2014-07-01
申请号：US12665585
申请日：2008-06-11
申请人： Philippe Desbois , Michael Kopietz , Ralf Neuhaus , Hagen Stawitzki , Hans-Joachim Weis , Jochen Engelmann
发明人： Philippe Desbois , Michael Kopietz , Ralf Neuhaus , Hagen Stawitzki , Hans-Joachim Weis , Jochen Engelmann
IPC分类号： C08G69/28
CPC分类号： C08G69/265 , B29C47/822 , C08G69/30
摘要： In a process for preparing a polyamide based on dicarboxylic acids and diamines in an extruder, a solid mixture comprising a monomer mixture composed of 50 mol % of dicarboxylic acid mixture composed of from 60 to 88 % by weight of terephthalic acid and from 12 to 40% by weight of isophthalic acid, in which up to 20% by weight of the dicarboxylic acid mixture may also be replaced by other dicarboxylic acids, and 50 mol % of hexamethylenediamine which may be up to 20% by weight replaced by other C2-30-diamines, in a corotatory twin-screw extruder for a residence time of from 10 seconds to 30 minutes, is heated to a temperature in the range from 150 to 400° C. while removing steam and if appropriate diamines through venting orifices.
摘要翻译： 在挤出机中制备基于二羧酸和二胺的聚酰胺的方法中，包含由50摩尔％的由对苯二甲酸的重量比为60-88％的二羧酸混合物和12-40的二羧酸混合物组成的单体混合物的固体混合物 重量％的间苯二甲酸，其中高达20重量％的二羧酸混合物也可以被其它二羧酸代替，并且50摩尔％的六亚甲基二胺可以被其他C2-30重量代替 - 二胺在旋转双螺杆挤出机中停留时间为10秒至30分钟，加热至150-400℃的温度，同时除去蒸汽，如果合适的话，将其加热至通过排气孔。
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公开(公告)号：US08759476B2
公开(公告)日：2014-06-24
申请号：US12665564
申请日：2008-06-12
申请人： Philippe Desbois , Hagen Stawitzki , Ralf Neuhaus , Hans-Joachim Weis , Jurgen Weichmann , Racquel Fernandez Rodiles , Gunter Vogel
发明人： Philippe Desbois , Hagen Stawitzki , Ralf Neuhaus , Hans-Joachim Weis , Jurgen Weichmann , Racquel Fernandez Rodiles , Gunter Vogel
IPC分类号： C08G69/26
CPC分类号： C08G69/26 , C08G69/265 , C08G69/28
摘要： The process for preparing a polyamide based on dicarboxylic acids and diamines has the following stages: 1) providing an aqueous monomer mixture of dicarboxylic acids and diamines, the molar ratio of dicarboxylic acids to diamines being adjusted such that a molar deficiency of dicarboxylic acids or diamines of from 1 to 10 mol % is present at the outlet of stage 3), based on the other component in each case, 2) transferring the aqueous mixture from stage 1) to a continuous evaporator reactor in which diamines and dicarboxylic acids are reacted at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, 3) transferring the mixture from stage 2) to a separator which is operated at a temperature in the range from 100 to 370° C. with removal of gaseous components, 4) transferring the mixture from stage 3) together with diamine or dicarboxylic acid in an amount suitable to balance out the molar deficiency into an extruder which is operated at a temperature in the range from 150 to 400° C. for a residence time in the range from 10 seconds to 30 minutes to remove gaseous components through devolatilizing orifices.
摘要翻译： 基于二羧酸和二胺制备聚酰胺的方法具有以下阶段：1）提供二羧酸和二胺的单体混合物，二羧酸与二胺的摩尔比被调节，使得二羧酸或二胺的摩尔不足 在阶段3）的出口处存在1至10摩尔％，基于每种情况下的其它组分，2）将水性混合物从阶段1）转移到连续的蒸发器反应器中，其中二胺和二羧酸在 温度范围为100至370℃，压力范围为1至50巴，3）将混合物从阶段2转移至分离器，该分离器的运行温度范围为100至370℃ C.去除气体组分，4）将来自级3）的混合物与二胺或二羧酸一起转移，其量适合于将摩尔不足量平衡到在温度下操作的挤出机 在150至400℃的范围内，停留时间在10秒至30分钟的范围内，以通过脱挥发泡孔除去气体组分。
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公开(公告)号：US20100190934A1
公开(公告)日：2010-07-29
申请号：US12665564
申请日：2008-06-12
申请人： Philippe Desbois , Hagen Stawitzki , Ralf Neuhaus , Hans-Joachim Weis , Jurgen Weichmann , Racquel Fernandez Rodiles , Gunter Vogel
发明人： Philippe Desbois , Hagen Stawitzki , Ralf Neuhaus , Hans-Joachim Weis , Jurgen Weichmann , Racquel Fernandez Rodiles , Gunter Vogel
IPC分类号： C08F2/01
CPC分类号： C08G69/26 , C08G69/265 , C08G69/28
摘要： The process for preparing a polyamide based on dicarboxylic acids and diamines has the following stages: 1) providing an aqueous monomer mixture of dicarboxylic acids and diamines, the molar ratio of dicarboxylic acids to diamines being adjusted such that a molar deficiency of dicarboxylic acids or diamines of from 1 to 10 mol % is present at the outlet of stage 3), based on the other component in each case, 2) transferring the aqueous mixture from stage 1) to a continuous evaporator reactor in which diamines and dicarboxylic acids are reacted at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, 3) transferring the mixture from stage 2) to a separator which is operated at a temperature in the range from 100 to 370° C. with removal of gaseous components, 4) transferring the mixture from stage 3) together with diamine or dicarboxylic acid in an amount suitable to balance out the molar deficiency into an extruder which is operated at a temperature in the range from 150 to 400° C. for a residence time in the range from 10 seconds to 30 minutes to remove gaseous components through devolatilizing orifices.
摘要翻译： 制备基于二羧酸和二胺的聚酰胺的方法具有以下阶段：1）提供二羧酸和二胺的单体混合物，二羧酸与二胺的摩尔比被调整为使二羧酸或二胺的摩尔量不足 在阶段3）的出口处存在1至10摩尔％，基于每种情况下的其它组分，2）将水性混合物从阶段1）转移到连续的蒸发器反应器中，其中二胺和二羧酸在 温度范围为100至370℃，压力范围为1至50巴，3）将混合物从阶段2转移至分离器，该分离器的运行温度范围为100至370℃ C.去除气体组分，4）将来自级3）的混合物与二胺或二羧酸一起转移，其量适合于将摩尔不足量平衡到在温度下操作的挤出机 在150至400℃的范围内，停留时间在10秒至30分钟的范围内，以通过脱挥发泡孔除去气体组分。
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公开(公告)号：US20090012229A1
公开(公告)日：2009-01-08
申请号：US12282059
申请日：2007-02-28
CPC分类号： C08G69/265 , C08K7/02 , C08L23/00 , C08L23/16 , C08L77/06 , C08L2666/06
摘要： Semiaromatic semicrystalline thermoplastic polyamide molding compositions, comprising A) from 40 to 100% by weight of a copolyamide composed of a1) from 30 to 44 mol % of units which derive from terephthalic acid a2) from 6 to 20 mol % of units which derive from isophthalic acid a3) from 42 to 49.5 mol % of units which derive from hexamethylenediamine a4) from 0.5 to 8 mol % of units which derive from aromatic diamines having from 6 to 30 carbon atoms, where the molar percentages of components a1) to a4) together give 100%, and B) from 0 to 50% by weight of a fibrous or particulate filler C) from 0 to 30% by weight of an elastomeric polymer D) from 0 to 30% by weight of other additives and processing aids, where the percentages by weight of components A) to D) together give 100%.
摘要翻译： 半芳族半结晶热塑性聚酰胺成型组合物，其包含A）40〜100重量％的共聚酰胺，其由a1- 30〜44摩尔％的衍生自对苯二甲酸的单元a2）6〜20摩尔％的单元组成， 间苯二甲酸a3），42〜49.5摩尔％的来自六亚甲基二胺a4的单元）0.5〜8摩尔％的衍生自具有6〜30个碳原子的芳族二胺的单元，其中组分a1）至a4的摩尔百分数） 一起给出100％，B）0-50％重量的纤维或颗粒填料C）0至30％重量的弹性体聚合物D）0至30％重量的其它添加剂和加工助剂， 其中组分A）至D）的重量百分比一起得到100％。
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6.发明授权
公开(公告)号：US4527211A
公开(公告)日：1985-07-02
申请号：US598997
申请日：1984-04-11
CPC分类号： G11B5/5521 , G11B21/02
摘要： A head positioning device for a disk drive unit comprises a Y-shaped drive band for displacing the carriage bearing the head(s), each divergent arm portion of the Y forming the same angle with the central longitudinal axis of the band. In another embodiment, the two divergent arm portions are connected together by a crosspiece. Advantageously, the drive band is made of steel having a tensile strength of from 1200 to 2500 N/mm.sup.2, especially from 2000 to 2500 N/mm.sup.2. The novel positioning device can be used with advantage in any type of system for recording, reproducing and storing audio, video, data or control signals.
摘要翻译： 用于盘驱动单元的头定位装置包括用于移动承载头的滑架的Y形驱动带，Y的每个发散臂部分与带的中心纵向轴线形成相同的角度。 在另一个实施例中，两个发散臂部分通过横档连接在一起。 有利地，驱动带由抗拉强度为1200至2500N / mm2，特别是2000至2500N / mm 2的钢制成。 该新颖的定位装置可用于任何类型的系统用于记录，再现和存储音频，视频，数据或控制信号。
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7.发明授权公开(公告)号：US06352739B1
公开(公告)日：2002-03-05
申请号：US09385460
申请日：1999-08-30
IPC分类号： G01B706
摘要： A method for the continuous monitoring of the coating of a yarnlike dielectric material with assistants comprises applying a solution of said assistants dissolved in a polar solvent to said yarnlike material, then passing said yarnlike material between the electrodes of a downline capacitive measuring element, determining the capacity changes of said downline capacitive measuring element, and using said capacity changes to calculate the unevenness of the layer thickness of the applied solution.
摘要翻译： 用辅助剂连续监测纱线状介电材料的涂层的方法包括将溶解在极性溶剂中的助剂溶液施加到所述纱线状材料上，然后将所述纱线状材料通过下行电容测量元件的电极之间，确定 所述下行电容测量元件的容量变化，并且使用所述容量变化来计算所施加的溶液的层厚度的不均匀性。
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8.发明授权Disk drive unit comprising a head positioning device and electromagnetic releasing/arresting means therefor 失效磁盘驱动单元包括头定位装置及其电磁释放/止动装置
公开(公告)号：US4660120A
公开(公告)日：1987-04-21
申请号：US604390
申请日：1984-04-27
CPC分类号： G11B21/22 , H01F7/1615 , H01F7/1638 , H01F7/122
摘要： A disk drive unit is provided with an electromagnetic releasing/arresting device for the head support, in order to prevent the head and the disk record from being damaged when the drive unit is shipped, handled or switched off. The novel electromagnet has a low power consumption and small dimensions, is economical to manufacture and exhibits high operational reliability.
摘要翻译： 磁盘驱动单元设置有用于头部支撑的电磁释放/止动装置，以便在驱动单元运输，处理或关闭时防止磁头和磁盘记录被损坏。 该电磁铁功耗低，尺寸小，制造经济，运行可靠性高。
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9.发明授权Apparatus for positioning a plurality of magnetic heads over preselected tracks of at least two recording disks 失效用于将多个磁头定位在至少两个记录盘的预选轨道上的装置
公开(公告)号：US4739430A
公开(公告)日：1988-04-19
申请号：US883632
申请日：1986-07-09
CPC分类号： G11B5/5521 , G11B5/4806
摘要： The invention relates to an apparatus for positioning a plurality of scanning devices, in particular magnetic heads, over preselected tracks on a stack of at least two rotatable recording disks in a memory processing unit, in which apparatus the single-beam section of the supporting arm of the magnetic heads has been produced integral with the head tower and is provided with mounting means for at least one magnetic head on a spring-supporting means, in particular for a pair of magnetic heads previously connected to one another, so that it is possible to replace any head or pair of heads. The apparatus can be used in magnetic storage systems, industrial production equipment etc.
摘要翻译： 本发明涉及一种用于将多个扫描装置特别是磁头定位在存储器处理单元中的至少两个可旋转记录盘的堆叠上的预选轨道上的装置，其中，支撑臂的单梁部分 的磁头已经与头塔一体制造，并且在弹簧支撑装置上设置有用于至少一个磁头的安装装置，特别是用于彼此预先连接的一对磁头，使得可以 以取代任何头部或一对头部。 该设备可用于磁存储系统，工业生产设备等。
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