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：US06265524B1

公开(公告)日：2001-07-24

申请号：US09424318

申请日：1999-11-22

申请人： Hidemi Takemoto ,  Toru Sawaki ,  Katsushi Sasaki

发明人： Hidemi Takemoto ,  Toru Sawaki ,  Katsushi Sasaki

IPC分类号： C08G6400

CPC分类号： C08G64/307 ,  C07C68/00 ,  C07C69/96

摘要： A process for producing an aromatic polycarbonate through an ester interchange reaction between an aromatic carbonic acid diester and an aromatic dihydroxy compound, wherein the aromatic carbonic acid diester is obtained through the decarbonylation reaction of an aromatic oxalic acid diester represented by the following general formula (1): wherein two Ar's are the same or different aromatic hydrocarbon groups having 6 to 14 carbon atoms, and has a hydrolyzable halogen content of 5 ppm or less. According to the present invention, an aromatic polycarbonate having a high molecular weight and excellent color can be easily produced without impairing ester interchange reactivity for the production of the aromatic polycarbonate by using an aromatic carbonic acid diester obtained through the decarbonylation of an aromatic oxalic acid diester and controlling the amount of hydrolyzable halogen contained in the aromatic carbonic acid diester to a value smaller than a predetermined value.

摘要翻译： 通过芳族碳酸二酯和芳族二羟基化合物之间的酯交换反应制备芳族聚碳酸酯的方法，其中芳族碳酸二酯通过由以下通式（1）表示的芳族草酸二酯的脱羰反应获得 ）：其中两个Ar是相同或不同的具有6至14个碳原子的芳族烃基，并且具有5ppm或更低的可水解卤素含量。根据本发明，具有高分子量和优异颜色的芳族聚碳酸酯可以 通过使用通过芳香族草酸二酯的脱羰获得的芳香族碳酸二酯和将芳香族碳酸二酯中含有的可水解卤素的量控制在较小的值，可以容易地制造而不损害用于制备芳族聚碳酸酯的酯交换反应性 超过预定值。

公开(公告)号：US06525171B2

公开(公告)日：2003-02-25

申请号：US09969582

申请日：2001-10-04

申请人： Hidemi Takemoto ,  Toru Sawaki ,  Katsushi Sasaki ,  Keiichi Kaneko

发明人： Hidemi Takemoto ,  Toru Sawaki ,  Katsushi Sasaki ,  Keiichi Kaneko

IPC分类号： C08F600

CPC分类号： C08G85/008 ,  C08G64/205 ,  C08G64/307

摘要： A method of cleaning the aromatic polycarbonate production unit with a carbonic acid diaryl ester at a temperature of 200 to 350° C. in an inert gas atmosphere.

公开(公告)号：US06605686B2

公开(公告)日：2003-08-12

申请号：US10088141

申请日：2002-03-15

申请人： Hidemi Takemoto ,  Toru Sawaki ,  Keiichi Kaneko ,  Katsushi Sasaki

发明人： Hidemi Takemoto ,  Toru Sawaki ,  Keiichi Kaneko ,  Katsushi Sasaki

IPC分类号： C08G6400

CPC分类号： C08G64/307

摘要： An aromatic polycarbonate having excellent color is obtained by keeping an aromatic dihydroxy compound and a carbonic acid diester which are raw materials for the production of an aromatic polycarbonate in consideration of the influences of storage atmosphere, temperature, temperature difference from a storage tank and residence time.

摘要翻译： 考虑到储存气氛，温度，与储罐的温度差和停留时间的影响，保留作为芳香族聚碳酸酯的制造原料的芳香族二羟基化合物和碳酸二酯，得到颜色优异的芳香族聚碳酸酯 。

公开(公告)号：US06448365B1

公开(公告)日：2002-09-10

申请号：US09959830

申请日：2001-11-08

申请人： Wataru Funakoshi ,  Masumi Hirata ,  Hiroaki Kaneko ,  Yuichi Kageyama ,  Toru Sawaki ,  Katsushi Sasaki

发明人： Wataru Funakoshi ,  Masumi Hirata ,  Hiroaki Kaneko ,  Yuichi Kageyama ,  Toru Sawaki ,  Katsushi Sasaki

IPC分类号： C08G6400

CPC分类号： G11B7/2534 ,  C08G64/06 ,  C08G64/14 ,  C08G64/307 ,  C08K5/52 ,  C08L69/00

摘要： An aromatic polycarbonate composition which contains 0.05 to 65 ppm of bonded phosphorus atoms to polycarbonate chains and free phosphorus compounds consisting of a tervalent phosphorus compound and a pentavalent phosphorus compound in a specific ratio. It is excellent in transparency, color stability and residence stability at the time of molding and is suitably used in disk substrates.

摘要翻译： 一种芳族聚碳酸酯组合物，其含有0.05〜65ppm的键合磷原子与聚碳酸酯链，并且由特定比例的三价磷化合物和五价磷化合物组成的游离磷化合物。 在成型时透明度，颜色稳定性和停留稳定性优异，适用于盘基材。

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：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

公开(公告)号：US06471877B1

公开(公告)日：2002-10-29

申请号：US09763944

申请日：2001-09-28

申请人： Masahiro Murakami ,  Yoshiki Matsuoka ,  Toru Sawaki ,  Katsushi Sasaki

发明人： Masahiro Murakami ,  Yoshiki Matsuoka ,  Toru Sawaki ,  Katsushi Sasaki

IPC分类号： B01D3530

CPC分类号： C08G64/406 ,  B01D29/41 ,  B01D29/92 ,  B29B13/10 ,  B29K2069/00

摘要： Provided are a filtration apparatus for a polycarbonate comprising a filtration container, a flange plate, one or more leaf disc-type filters, a filter press and a center pole having an integral construction with the filter press as constituting elements, these components having specific structures, and a process for manufacturing a polycarbonate using the filtration apparatus. Foreign materials are effectively removed by using the polymer filter, and at the same time, discoloring, crosslinking and gel formation, which would occur in the filter, are suppressed; and as a result, a polycarbonate having excellent quality can be manufactured.

摘要翻译： 本发明提供一种聚碳酸酯的过滤装置，其具有过滤容器，凸缘板，一个或多个叶片式过滤器，压滤机和具有作为构成元件的压滤机一体结构的中心杆，这些部件具有特定结构 以及使用该过滤装置制造聚碳酸酯的方法。 通过使用聚合物过滤器有效地除去异物，并且同时抑制在过滤器中发生的变色，交联和凝胶形成; 结果，可以制造质量优异的聚碳酸酯。

公开(公告)号：US06252036B1

公开(公告)日：2001-06-26

申请号：US09402835

申请日：1999-10-13

申请人： Kazuki Hatono ,  Hiroaki Kaneko ,  Toru Sawaki ,  Katsushi Sasaki

发明人： Kazuki Hatono ,  Hiroaki Kaneko ,  Toru Sawaki ,  Katsushi Sasaki

IPC分类号： C08G6378

CPC分类号： C08G64/14 ,  C08G64/307

摘要： The purpose of this invention is to produce a stabilized terminal-blocked polycarbonate resin with a limited number of the terminal hydroxy groups having excellent thermal stability, color stability and hydrolysis resistance by an industrially advantageous method using a terminal blocking agent. In the production of a polycarbonate by the melt-polycondensation of an aromatic dihydroxy compound with an aromatic carbonic acid diester in the presence of a polycondensation catalyst, a terminal blocking agent expressed by the following formula (1) [in the formula, R1 is chlorine atom, methoxycarbonyl group or ethoxycarbonyl group; R2 is an alkyl group having a carbon number of 1 to 30, an alkoxy group having a carbon number of 1 to 30, an aryl group having a carbon number of 6 to 30 or an aryloxy group having a carbon number of 6-30] is added after the melt-polycondensation to the system in an amount of 0.3 to 4 mol-equivalent based on the hydroxy terminal group amount of the polycarbonate at 200 to 350° C. under a pressure of 1,013 hPa (760 mmHg) or below for 0.1 second or longer and, thereafter, a stabilizer is added and kneaded into the system at 200 to 350° C. under a pressure of 1.333×105 hPa (105 mmHg) or below for 0.1 second or longer.

摘要翻译： 本发明的目的是通过使用端基封端剂的工业上有利的方法制备具有有限数目的末端羟基的稳定的封端聚碳酸酯树脂，其具有优异的热稳定性，颜色稳定性和耐水解性。 在通过芳族二羟基化合物与芳香族碳酸二酯在缩聚催化剂存在下的熔融缩聚反应制造聚碳酸酯时，由下式（1）表示的封端剂[式中，R1为氯原子 原子，甲氧基羰基或乙氧基羰基; R 2为碳数为1〜30的烷基，碳数为1〜30的烷氧基，碳数为6〜30的芳基或碳原子数为6〜30的芳氧基] 在对于体系进行熔融缩聚之后，相对于聚碳酸酯的羟基端基量为200〜350℃，在1013hPa（760mmHg）以下的压力下，以0.3〜4mol当量的量进行熔融缩聚， 0.1秒以上，然后在1.333×105hPa（105mmHg）以下0.1秒以上的压力下，在200〜350℃下加入稳定剂并捏合到体系中。