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    Process for cooling dispersions and liquids
    1.
    发明授权
    Process for cooling dispersions and liquids 有权
    冷却分散体和液体的方法

    公开(公告)号：US06086723A

    公开(公告)日：2000-07-11

    申请号：US134926

    申请日：1998-08-17

    申请人： Wolfgang Hubinger ,  Rainer Wunder ,  Gerhard Bauer ,  Johannes Dobbelaar ,  Sven Lawrenz ,  Franz-Josef Mueseler ,  Jurgen Nahstoll ,  Robert Rupaner ,  Christian-Ulrich Schmidt

    发明人： Wolfgang Hubinger ,  Rainer Wunder ,  Gerhard Bauer ,  Johannes Dobbelaar ,  Sven Lawrenz ,  Franz-Josef Mueseler ,  Jurgen Nahstoll ,  Robert Rupaner ,  Christian-Ulrich Schmidt

    IPC分类号： B01D17/00 ,  B01J19/00 ,  B01J19/24 ,  C08F6/00 ,  C08J3/03 ,  B01D3/10 ,  B01D3/38

    CPC分类号： B01J19/2465 ,  B01J19/0013 ,  C08F6/003 ,  B01J2219/00103 ,  B01J2219/00108 ,  B01J2219/0011 ,  B01J2219/00123 ,  B01J2219/0025 ,  Y10S203/90

    摘要： A process for deodorizing and subsequently cooling dispersions or liquids comprisinga) passing steam through the dispersion or liquid to be cooled and held in a vessel (1), said dispersion or liquid being caused to foam up as a result,b) discharging the foam from the top section of the vessel via a nozzle (5) into an evacuated separation vessel (4), the foam being broken in the process,c) condensing the water vapor formed from the foam in a heat exchanger (8) and removing volatile organic components at the same time, andd) returning the broken foam to the vessel (1),in which the steps a) to d) are performed until the dispersion or liquid has been deodorized to the desired extent, wherein, after completion of the deodorization (in accordance with steps a) to d)), the hot dispersion or liquid is discharged from the bottom section of the vessel (1) through the nozzle (5) into the evacuated separation vessel (4), so that the dispersion or the liquid is cooled, the nozzle (5) and the evacuated separation vessel (4) also being used beforehand for performing step b), wherein the water vapor held in the separation vessel (4) is condensed at the heat exchanger (8) which was also employed beforehand in step c), and wherein the cooled dispersion or liquid is discharged from the bottom of the separation vessel (4).

    摘要翻译： 一种用于除臭和随后冷却分散体或液体的方法，包括a）使蒸汽通过待冷却的分散体或液体并保持在容器（1）中，使所述分散体或液体发泡，结果b）排出泡沫 从容器的顶部经由喷嘴（5）到抽空的分离容器（4）中，泡沫在该过程中被破坏，c）将由泡沫形成的水蒸汽在热交换器（8）中冷凝并除去挥发性 有机成分，d）将破碎的泡沫返回到容器（1），其中进行步骤a）至d），直到分散体或液体已经被除臭至所需程度，其中在完成 除臭（根据步骤a）至d）），热分散体或液体通过喷嘴（5）从容器（1）的底部排出到抽空的分离容器（4）中，使得分散体 或液体被冷却，喷嘴（5）和e 真空分离容器（4）也预先用于进行步骤b），其中保持在分离容器（4）中的水蒸汽在步骤c）中预先使用的热交换器（8）冷凝，其中 冷却的分散体或液体从分离容器（4）的底部排出。

    Chemical reactor with stirrer and incoming and outgoing lines on the reactor floor
    5.
    发明授权
    Chemical reactor with stirrer and incoming and outgoing lines on the reactor floor 失效
    具有搅拌器的化学反应器和反应器底板上的输入和输出管线

    公开(公告)号：US06428199B1

    公开(公告)日：2002-08-06

    申请号：US09037798

    申请日：1998-03-10

    申请人： Robert Rupaner ,  Sven Lawrenz ,  Gerhard Bauer

    发明人： Robert Rupaner ,  Sven Lawrenz ,  Gerhard Bauer

    IPC分类号： B01F716

    CPC分类号： B01J19/0066 ,  B01F7/162 ,  B01F2015/00597 ,  B01J19/0053 ,  B01J19/0073 ,  B01J19/18 ,  B01J19/20 ,  B01J2219/00094 ,  C08F6/006 ,  Y02P20/149

    摘要： A reactor for chemical reactions, especially polymerization reactions, and in particular a reactor for emulsion, suspension, solution, bulk and/or precipitation polymerizations, which has a stirring mechanism, incoming and outgoing lines and a removable lid, and where both the stirring mechanism and incoming and outgoing lines are installed on the reactor floor. The novel reactor is quick and easy to open and clean and permits simple and rapid changeover of the installed stirring elements.

    摘要翻译： 用于化学反应的反应器，特别是聚合反应的反应器，特别是用于乳液，悬浮液，溶液，本体和/或沉淀聚合的反应器，其具有搅拌机构，输入和输出管线和可移除的盖子，并且其中搅拌机构 输入和输出线路安装在电抗器底板上。 新型反应器快速且易于打开和清洁，并允许安装的搅拌元件的简单和快速的切换。

    PROCESS FOR PREPARING POLYAMIDES
    7.
    发明申请
    PROCESS FOR PREPARING POLYAMIDES 有权
    制备聚氨酯的方法

    公开(公告)号：US20120245308A1

    公开(公告)日：2012-09-27

    申请号：US13514364

    申请日：2010-12-03

    申请人： Faissal-Ali El-Toufaili ,  Philippe Desbois ,  Andreas Wollny ,  Sven Lawrenz ,  Christian Schmidt

    发明人： Faissal-Ali El-Toufaili ,  Philippe Desbois ,  Andreas Wollny ,  Sven Lawrenz ,  Christian Schmidt

    IPC分类号： C08G69/28 ,  C08G69/26

    CPC分类号： C08G69/265 ,  C08G69/28

    摘要： The present invention relates to a process for preparing a polyamide based on dicarboxylic acids and diamines, comprising the following stages: A) providing an aqueous monomer mixture composed of dicarboxylic acids and diamines, where the molar ratio of dicarboxylic acids to diamines is adjusted such that, at the outlet of stage C), there is a molar deficiency of dicarboxylic acids or diamines of 1 to 10 mol%, based on the respective other component, B) transferring the aqueous mixture from stage A) into a continuous evaporator reactor in which diamines and dicarboxylic acids are converted at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, C) transferring the mixture from stage B) into a separator which is operated at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar with removal of gaseous components, D) transferring the mixture from stage C) together with diamine or dicarboxylic acid in an amount suitable for compensation for the molar deficiency into a tubular reactor which is operated at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, for a residence time in the range from 10 seconds to 30 minutes, E) transferring the mixture from stage D) 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 with removal of gaseous components through venting orifices.

    摘要翻译： 本发明涉及一种制备基于二羧酸和二胺的聚酰胺的方法，包括以下步骤：A）提供由二羧酸和二胺组成的含水单体混合物，其中二羧酸与二胺的摩尔比被调整为使得 ，在阶段C）的出口处，基于各自的其它组分，存在摩尔不足的二羧酸或二胺的1至10摩尔％，B）将水性混合物从阶段A）转移到连续的蒸发器反应器中，其中 二胺和二羧酸在100至370℃的温度和1至50巴的压力范围内转化，C）将混合物从阶段B）转移到分离器中，该分离器在 范围为100至370℃，压力为1至50巴，除去气态组分，D）将混合物与阶段C）一起转移至二胺或二羧酸的量 适合于将摩尔不足补偿到在100至370℃的温度和1至50巴的压力范围内操作的管式反应器中，停留时间在10秒至 30分钟，E）将混合物从阶段D）转移到挤出机中，该挤出机在150-400℃的温度下操作，停留时间在10秒至30分钟之间，同时除去气体成分 通风孔。

    Process for preparing polyamides
    9.
    发明授权
    Process for preparing polyamides 有权
    制备聚酰胺的方法

    公开(公告)号：US09315626B2

    公开(公告)日：2016-04-19

    申请号：US13514364

    申请日：2010-12-03

    申请人： Faissal-Ali El-Toufaili ,  Philippe Desbois ,  Andreas Wollny ,  Sven Lawrenz ,  Christian Schmidt

    发明人： Faissal-Ali El-Toufaili ,  Philippe Desbois ,  Andreas Wollny ,  Sven Lawrenz ,  Christian Schmidt

    IPC分类号： C08G69/24 ,  C08G69/26 ,  C08G69/28

    CPC分类号： C08G69/265 ,  C08G69/28

    摘要： The present invention relates to a process for preparing a polyamide based on dicarboxylic acids and diamines, comprising the following stages: A) providing an aqueous monomer mixture composed of dicarboxylic acids and diamines, where the molar ratio of dicarboxylic acids to diamines is adjusted such that, at the outlet of stage C), there is a molar deficiency of dicarboxylic acids or diamines of 1 to 10 mol %, based on the respective other component, B) transferring the aqueous mixture from stage A) into a continuous evaporator reactor in which diamines and dicarboxylic acids are converted at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, C) transferring the mixture from stage B) into a separator which is operated at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar with removal of gaseous components, D) transferring the mixture from stage C) together with diamine or dicarboxylic acid in an amount suitable for compensation for the molar deficiency into a tubular reactor which is operated at a temperature in the range from 100 to 370° C. and a pressure in the range from 1 to 50 bar, for a residence time in the range from 10 seconds to 30 minutes, E) transferring the mixture from stage D) 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 with removal of gaseous components through venting orifices.

    摘要翻译： 本发明涉及一种制备基于二羧酸和二胺的聚酰胺的方法，其包括以下步骤：A）提供由二羧酸和二胺组成的含水单体混合物，其中二羧酸与二胺的摩尔比被调整为使得 ，在阶段C）的出口处，基于各自的其它组分，存在摩尔不足的二羧酸或二胺的1至10摩尔％，B）将水性混合物从阶段A）转移到连续的蒸发器反应器中，其中 二胺和二羧酸在100至370℃的温度和1至50巴的压力范围内转化，C）将混合物从阶段B）转移到分离器中，该分离器在 范围为100至370℃，压力范围为1至50巴，除去气态组分，D）将混合物从阶段C）与二胺或二羧酸一起转移 t适用于将摩尔不足补偿为在100至370℃的温度和1至50巴的压力范围内操作的管式反应器中，停留时间为10秒 至30分钟，E）将混合物从阶段D）转移到挤出机中，该挤出机在150-400℃的温度下操作，停留时间为10秒至30分钟，同时除去气体组分 通过通风口。

    Metod For The Continuous Production Of Thermoplastically-Processable Polyurethane Elastomers
    10.
    发明申请
    Metod For The Continuous Production Of Thermoplastically-Processable Polyurethane Elastomers 有权
    用于连续生产热塑性加工性聚氨酯弹性体的方法

    公开(公告)号：US20080139776A1

    公开(公告)日：2008-06-12

    申请号：US11815221

    申请日：2006-01-31

    申请人： Gunter Scholz ,  Marian Mours ,  Sven Lawrenz ,  Horst Papenfuss ,  Christoph Bahr ,  Rudiger Krech

    发明人： Gunter Scholz ,  Marian Mours ,  Sven Lawrenz ,  Horst Papenfuss ,  Christoph Bahr ,  Rudiger Krech

    IPC分类号： C08G18/00

    CPC分类号： C08G18/222 ,  B29C35/02 ,  B29C47/0004 ,  B29C47/0021 ,  B29C47/34 ,  B29C47/40 ,  B29C47/50 ,  B29C47/786 ,  B29C47/827 ,  B29C47/862 ,  B29K2021/00 ,  B29K2075/00 ,  B29K2105/0014 ,  C08G18/0895 ,  C08G18/664 ,  C08G18/6674

    摘要： Process for continuous production of thermoplastically processable polyurethane elastomers with improved homogeneity, by metering a polyisocyanate (A), a proportion of from 1 to 80 equivalent %, based on the isocyanate group content of the polyisocyanate (A), of a compound (B) having an average of at least 1.8 and at most 3.0 hydrogen atoms having Zerewitinoff activity, with an average molar mass of from 450 g/mol to 5000 g/mol, a proportion of from 12 to 99 equivalent %, based on the isocyanate group content of the polyisocyanate (A), of a chain extender (C) having an average of at least 1.8 and at most 3.0 hydrogen atoms having Zerewitinoff activity per molecule, with an average molar mass of from 60 g/mol to 400 g/mol, from 0 to 30% by weight, based on the total amount of the polyurethane elastomer, of catalysts and further auxiliaries and additives (D), the molar NCO:OH ratio of polyisocyanate (A) to the entirety composed of the compound (B), of the chain extender (C), and of the further auxiliaries and additives (D) being from 0.9:1 to 1.2:1 into a self-cleaning twin-screw extruder which is operated at high shear rates, and then bringing the mixture from the self-cleaning twin-screw extruder into a further apparatus in order to complete the reaction, which comprises setting shear rates above 6000 s−1 and residence times in the range from 1 to 20 s in the self-cleaning twin-screw extruder.

    摘要翻译： 基于多异氰酸酯（A）的异氰酸酯基含量的化合物（B），通过计量多异氰酸酯（A），1至80当量％的比例，连续生产具有改进的均匀性的热塑性可加工聚氨酯弹性体的方法， 平均摩尔质量为450g / mol至5000g / mol，平均摩尔质量为12至99当量％，基于异氰酸酯基含量 的多异氰酸酯（A），平均摩尔质量为60g / mol至400g / mol的平均值至少为1.8且至多3.0个氢原子的扩链剂（C）具有每分子Zerewitinoff活性， 0至30重量％，基于聚氨酯弹性体的总量，催化剂和其它助剂和添加剂（D），多异氰酸酯（A）与由化合物（B）组成的整体的NCO:HOH摩尔比为 ，扩链剂（C）和f 进一步的助剂和添加剂（D）为0.9:1至1.2:1，进入以高剪切速率操作的自清洁双螺杆挤出机，然后将来自自清洁双螺杆挤出机的混合物进一步 装置，以完成反应，其包括在自清洁双螺杆挤出机中将剪切速率设定在6000s -1以上并且在1至20s范围内的停留时间。