公开(公告)号：US06562936B1

公开(公告)日：2003-05-13

申请号：US09786523

申请日：2001-06-11

申请人： Kazuki Hatono ,  Masumi Hirata ,  Hiroaki Kaneko ,  Toru Sawaki ,  Wataru Funakoshi ,  Katsushi Sasaki ,  Masasi Simonaru ,  Kouji Kiyoshige

发明人： Kazuki Hatono ,  Masumi Hirata ,  Hiroaki Kaneko ,  Toru Sawaki ,  Wataru Funakoshi ,  Katsushi Sasaki ,  Masasi Simonaru ,  Kouji Kiyoshige

IPC分类号： C08G6400

CPC分类号： B29C47/767 ,  B29C47/0009 ,  B29C47/38 ,  B29C47/402 ,  C08G64/205 ,  C08G64/307

摘要： A method of producing a polycarbonate or the like which is excellent in hydrolysis and heat stability such as a reduction in molecular weight at the time of molding and color retention and moldability such as releasability and transferability, rarely experiences residence deterioration such as coloring, crosslinking and gel formation and has an extremely small content of foreign matter by employing a special structure for an opening in the side surface of a horizontal cylindrical vacuum resin treating apparatus, supplying a molten polycarbonate into a unidirectional rotary intermeshing double-screw extruder under specific conditions, adding a specific agent under specific conditions and cleaning the inner surface of a production apparatus by a specific method.

摘要翻译： 水解和热稳定性优异的聚碳酸酯等的制造方法，例如成型时的分子量的降低和保色性以及脱模性和转印性等成型性，很少发生着色，交联等的停留劣化， 凝胶形成，并且通过采用水平圆筒形真空树脂处理装置的侧表面中的开口的特殊结构，并且在特定条件下将熔融聚碳酸酯供给到单向旋转啮合双螺杆挤出机中，并且具有非常少的异物含量， 在特定条件下的特定试剂，并通过具体方法清洗生产装置的内表面。

公开(公告)号：US06323302B1

公开(公告)日：2001-11-27

申请号：US09445824

申请日：1999-12-14

申请人： Katsushi Sasaki ,  Wataru Funakoshi ,  Toru Sawaki ,  Masumi Hirata ,  Hiroaki Kaneko ,  Masanori Abe ,  Masasi Simonaru ,  Hidemi Takemoto ,  Jyuhou Matsuo ,  Yoshiki Matsuoka

发明人： Katsushi Sasaki ,  Wataru Funakoshi ,  Toru Sawaki ,  Masumi Hirata ,  Hiroaki Kaneko ,  Masanori Abe ,  Masasi Simonaru ,  Hidemi Takemoto ,  Jyuhou Matsuo ,  Yoshiki Matsuoka

IPC分类号： C08G6400

CPC分类号： C08G64/307

摘要： Aromatic polycarbonate having a reduced discoloration and improved heat stability, hue, etc. is provided by keeping a pressure in a raw material melting vessel and the linear velocity of a gas in a transporting piping in a specific range, keeping the concentration of a nitrogen-containing basic compound in a specific range, recycling a byproduct containing specific amounts of impurities, suppressing the amounts of a nitrogen-containing basic compound, metallic elements and a silicic acid derivative in the carbonic acid diester at specific values or less, prescribing the material quality of the reaction facilities, and/or forming an oxide layer at the inner wall surfaces of the reaction facilities.

摘要翻译： 通过将原料熔融容器中的压力和输送管道中的气体的线速度保持在特定范围来提供具有减少变色和改善的热稳定性，色相等的芳族聚碳酸酯，保持氮气浓度， 含有特定范围的碱性化合物，回收含有特定量的杂质的副产物，抑制碳酸二酯中的含氮碱性化合物，金属元素和硅酸衍生物的量在特定值以下，规定材料质量 的反应设备，和/或在反应设备的内壁表面形成氧化物层。

公开(公告)号：US06670440B2

公开(公告)日：2003-12-30

申请号：US10203201

申请日：2002-08-07

申请人： Kyosuke Matsumoto ,  Masasi Simonaru ,  Toru Sawaki ,  Katsushi Sasaki ,  Keiichi Kaneko

发明人： Kyosuke Matsumoto ,  Masasi Simonaru ,  Toru Sawaki ,  Katsushi Sasaki ,  Keiichi Kaneko

IPC分类号： C08G6400

CPC分类号： C08G64/205 ,  C08G64/30 ,  C08G64/307

摘要： There is provided a technique for producing an aromatic polycarbonate which undergoes no deterioration in quality in a gear pump, has excellent hue and contains a small amount of foreign materials even when a production plant is scaled up. In producing the aromatic polycarbonate by melt-polycondensation, a molten polycondensate is fed continuously into a shaft seal portion of a self-lubricating gear pump disposed for transporting the polycondensate from a polycondensation vessel such that the following expressions: Q/S≧0.1 (cm/sec) wherein Q is a flow rate (cm3/sec) of the polycondensate, and S is a cross sectional area (cm2) of a passage provided for feeding the polycondensate to the shaft seal portion, and D≦2.9W1/3 wherein D is an internal diameter (cm) of a pipe, and W is a flow rate, are satisfied, thereby operating the gear pump. A polycondensation vessel therefor is also disclosed.

摘要翻译： 提供了一种生产芳族聚碳酸酯的技术，其在齿轮泵中不会劣化，具有优异的色调并且即使在生产设备放大时也含有少量异物。通过熔融缩聚制备芳族聚碳酸酯 将熔融缩聚物连续地供给到设置用于从缩聚容器输送缩聚物的自润滑齿轮泵的轴密封部分中，使得以下表达式：其中Q是流动速率（cm 3 / sec） 缩聚物，S为将缩聚物供给轴封部的通路的截面积（cm 2），D为管的内径（cm），W为流量，为 满意，从而操作齿轮泵。 还公开了一种缩聚容器。

公开(公告)号：US06380345B1

公开(公告)日：2002-04-30

申请号：US09478540

申请日：2000-01-06

申请人： Kazuhiro Uenishi ,  Masasi Simonaru ,  Toru Sawaki ,  Katsushi Sasaki

发明人： Kazuhiro Uenishi ,  Masasi Simonaru ,  Toru Sawaki ,  Katsushi Sasaki

IPC分类号： C08G6400

CPC分类号： C08G64/307 ,  C08G64/205

摘要： Purpose To enable the reduction of the quantities of wastes and the performance of long term continuous operation in polycarbonate production. Means for solution As a method for removing the reaction byproducts in the production of a polycarbonate resin by sucking and reducing the pressure, ejectors which use the vapor of a substance comprising the condensed liquid of the reaction byproducts as the driving source are used, and the wall temperatures of piping between a polymerization reactor and the ejectors are held at a temperature equal to the boiling point of said reaction byproducts at reduced pressure or higher.

摘要翻译： 目的为了减少废弃物的量和在聚碳酸酯生产中的长期连续操作的性能。解决方案作为通过吸取和降低压力来除去生产聚碳酸酯树脂中的反应副产物的方法的方法，使用蒸气的喷射器 使用包含作为驱动源的反应副产物的冷凝液体的物质，聚合反应器和喷射器之间的管道的壁温保持在等于或低于所述反应副产物的沸点的温度 。

公开(公告)号：US06613128B1

公开(公告)日：2003-09-02

申请号：US09509946

申请日：2000-04-04

申请人： Masasi Simonaru ,  Toru Sawaki ,  Katsushi Sasaki ,  Kazuki Hatono ,  Eiji Ito

发明人： Masasi Simonaru ,  Toru Sawaki ,  Katsushi Sasaki ,  Kazuki Hatono ,  Eiji Ito

IPC分类号： B01D1900

CPC分类号： B29C47/605 ,  B29C47/0009 ,  B29C47/0871 ,  B29C47/1063 ,  B29C47/38 ,  B29C47/402 ,  B29C47/404 ,  B29C47/6037 ,  B29C47/762 ,  B29C47/767 ,  B29C67/246 ,  B29K2069/00 ,  B29K2105/0005 ,  Y10S425/243

摘要： An aromatic polycarbonate extruder which is a twin screw extruder for kneading components into a molten aromatic polycarbonate, the extruder having at least one module consisting of a kneading unit, a material seal unit, a back kneading unit and full-flight unit which are arranged from an upstream side to a downstream side and a method of kneading components into an aromatic polycarbonate by using the above extruder. The present invention also provides a kneading apparatus and method for producing an aromatic polycarbonate which has an extremely small content of foreign matter and is free from residence deterioration such as coloration, crosslinking or gelation when the aromatic polycarbonate is to be kneaded with various components.

摘要翻译： 一种芳族聚碳酸酯挤出机，其是将组分捏合成熔融芳族聚碳酸酯的双螺杆挤出机，该挤出机具有由捏合单元，材料密封单元，后捏合单元和全飞行单元组成的至少一个模块， 通过使用上述挤出机将组分捏合成芳族聚碳酸酯的方法。 本发明还提供一种用于制备芳香族聚碳酸酯的捏合装置和方法，其中当芳香族聚碳酸酯与各种组分捏合时，其具有非常少的异物含量，并且不存在着色，交联或凝胶化等停留劣化。

公开(公告)号：US06472496B2

公开(公告)日：2002-10-29

申请号：US09840144

申请日：2001-04-24

申请人： Kyosuke Matsumoto ,  Masasi Simonaru ,  Toru Sawaki ,  Katsushi Sasaki ,  Masahiro Murakami ,  Yoshiki Matsuoka

发明人： Kyosuke Matsumoto ,  Masasi Simonaru ,  Toru Sawaki ,  Katsushi Sasaki ,  Masahiro Murakami ,  Yoshiki Matsuoka

IPC分类号： C08G6400

CPC分类号： C08G64/307

摘要： An aromatic polycarbonate resin is produced under the conditions that the flow velocity of the reaction mixture in a pipe through which a molten reaction mixture passes is a specific value or over, the viscosity-average molecular weight of the reaction mixture is 1,000 or more, the sum of the average retention times of the reaction mixture is not longer than 3 hours, the wall temperature of the pipe through which a molten reaction mixture passes is set to be higher than the temperature of the reaction mixture in the pipe, the catalyst deactivation agent is added within 2 hours after the completion of the melt polycondensation reaction, the filtration is carried out by using a filter having a specific retained particle size under a specific pressure difference, specific treated amount of the aromatic polycarbonate resin per unit area of the filter and a ratio of W (flow quantity of filtered polymer)×1,000/A (maximum area of the polymer path in the filtration vessel) falling within a specific range, etc.

摘要翻译： 在熔融反应混合物通过的管中的反应混合物的流速为特定值以上的条件下制造芳香族聚碳酸酯树脂，反应混合物的粘均分子量为1000以上 反应混合物的平均保留时间的总和不超过3小时，熔融反应混合物通过的管的壁温设定为高于管中的反应混合物的温度，催化剂失活剂 在熔融缩聚反应完成后2小时内加入，过滤通过使用具有特定保留粒径的特定压力差的过滤器，每单位面积过滤器的芳族聚碳酸酯树脂的特定处理量， 过滤聚合物的流量（以过滤聚合物的流量计）×1,000 / A（过滤容器内的聚合物路径的最大面积） 特点范围等