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：US06303734B1

公开(公告)日：2001-10-16

申请号：US09424151

申请日：1999-11-19

申请人： Wataru Funakoshi ,  Hiroaki Kaneko ,  Katsushi Sasaki

发明人： Wataru Funakoshi ,  Hiroaki Kaneko ,  Katsushi Sasaki

IPC分类号： C08G6400

CPC分类号： C08G64/06 ,  C08G64/14 ,  C08G64/307

摘要： The relative intensity of fluorescent light of a melt-polycondensed aromatic polycarbonate produced by the transesterification process (melt polymerization process) of an aromatic dihydroxy compound and a carbonic acid diester in the presence of a catalyst comprising a basic nitrogen compound and/or a basic phosphorus compound in combination with an alkali metal compound is suppressed to 4.0×10−3 or below at a wavelength of 465 nm based on a standard substance in a fluorescent light spectrum obtained by the excitation wavelength of 320 nm. An aromatic polycarbonate having good color stability, especially good stability to the deterioration of the chip color during storage of the chip in air at room temperature can be produced by the present invention.

摘要翻译： 在包含碱性氮化合物和/或碱性磷的催化剂存在下，通过芳族二羟基化合物和碳酸二酯的酯交换方法（熔融聚合方法）制备的熔融缩聚芳族聚碳酸酯的荧光的相对强度 与碱金属化合物组合的化合物在波长为465nm的基础上，通过激发波长320nm得到的荧光光谱中的标准物质抑制在4.0×10 -3以下。 通过本发明，可以制造具有良好的颜色稳定性的芳香族聚碳酸酯，特别是在芯片在室温下在空气中储存期间芯片颜色劣化的良好的稳定性。

公开(公告)号：US06410678B1

公开(公告)日：2002-06-25

申请号：US09890465

申请日：2001-08-01

申请人： Makoto Ishida ,  Koji Ishihata ,  Koji Maeda ,  Wataru Funakoshi ,  Hiroaki Kaneko ,  Yuichi Kageyama ,  Katsushi Sasaki

发明人： Makoto Ishida ,  Koji Ishihata ,  Koji Maeda ,  Wataru Funakoshi ,  Hiroaki Kaneko ,  Yuichi Kageyama ,  Katsushi Sasaki

IPC分类号： C08G6400

CPC分类号： G11B7/2534 ,  C08G63/06 ,  C08G64/14 ,  C08G64/307 ,  G11B7/2533 ,  G11B7/2535 ,  G11B7/2536

摘要： An aromatic polycarbonate which has high durability and is excellent in color tone, transparency and mechanical strength, especially an aromatic polycarbonate which has high durability and stability when it is used under high temperature and high humidity conditions for a long time, and production method and use thereof. In the aromatic polycarbonate which has a sodium element content of 100 ppb or less and a content of each of Ni, Pb, Cr, Mn and Fe of 70 ppb or less and the method of producing a polycarbonate by polycondensing an aromatic dihydroxy compound and a carbonic acid diester, the above aromatic polycarbonate is produced by controlling 1) the content of sodium element contained in each of the above raw materials to 52 ppb or less, 2) the content of each of Fe, Cr, Mn, Ni and Pb to 40 ppb or less and 3) the amount of a specific catalyst to a specific value based on the content of Fe contained in the raw materials.

摘要翻译： 具有高耐久性和色调，透明性和机械强度优异的芳族聚碳酸酯，特别是长时间在高温高湿条件下使用时具有高耐久性和稳定性的芳族聚碳酸酯，以及制造方法和用途 其中。 在钠元素含量为100ppb以下的芳族聚碳酸酯中，Ni，Pb，Cr，Mn和Fe的含量为70ppb以下，芳香族二羟基化合物和 碳酸二酯，上述芳香族聚碳酸酯通过控制1）上述原料中含有的钠元素的含量为52ppb以下，2）将Fe，Cr，Mn，Ni，Pb各自的含量调整为 40ppb以下，3）根据原料中所含的Fe的含量，特定催化剂的量达到特定值。

公开(公告)号：US06300459B1

公开(公告)日：2001-10-09

申请号：US09403862

申请日：2000-01-21

申请人： Hiroaki Kaneko ,  Wataru Funakoshi ,  Katsushi Sasaki

发明人： Hiroaki Kaneko ,  Wataru Funakoshi ,  Katsushi Sasaki

IPC分类号： C08G6400

CPC分类号： C08G64/307 ,  C08G64/06 ,  C08G64/42

摘要： An aromatic polycarbonate and an active-hydrogen compound are subjected to the transesterification reaction in the presence of a transesterification catalyst under a reduced pressure condition followed by reaction with a salicylic acid ester derivative expressed by the following chemical formula (1), {wherein X is methyl or ethyl, and Y is a carbonyl group or a divalent functional group expressed by the following formula (2), (where Z is an alkylene group having a carbon number of 1 to 30, an arylene group having a carbon number of 6 to 30 or an aralkylene group having a carbon number of 7 to 30)}. An aromatic polycarbonate having a high molecular weight can be produced by this process.

摘要翻译： 芳族聚碳酸酯和活性氢化合物在酯交换催化剂存在下，在减压条件下进行酯交换反应，随后与下列化学式（1）表示的水杨酸酯衍生物反应，其中X为 甲基或乙基，Y为由下式（2）表示的羰基或二价官能团，（Z为碳数为1〜30的亚烷基，碳数为6〜 30或碳数为7〜30的亚芳基）}，可以通过该方法制造具有高分子量的芳香族聚碳酸酯。

公开(公告)号：US5516878A

公开(公告)日：1996-05-14

申请号：US386086

申请日：1995-02-09

申请人： Katsushi Sasaki ,  Wataru Funakoshi ,  Masumi Hirata ,  Masanori Abe ,  Hiroaki Kaneko

发明人： Katsushi Sasaki ,  Wataru Funakoshi ,  Masumi Hirata ,  Masanori Abe ,  Hiroaki Kaneko

IPC分类号： C08G64/30 ,  C08G64/00

CPC分类号： C08G64/307

摘要： A process for the production of an aromatic polycarbonate, which comprises polycondensing an aromatic dihydroxy compound and a diaryl carbonate in the presence, as a polycondensation catalyst, of at least one alkali metal salt selected from the group consisting of alkali metal salts of ate-complexes of a metal element, which is silicon, germanium, stannum or plumbum, and alkali metal salts of oxoacids of said metal elements. The above aromatic polycarbonate is almost free from being colored, is also almost free from a decrease in polymerization degree when molded, and is further almost free from forming branches and insolubles.

摘要翻译： 一种制备芳族聚碳酸酯的方法，该方法包括在作为缩聚催化剂存在下将芳族二羟基化合物和碳酸二芳基酯缩聚至少一种碱金属盐，所述碱金属盐选自由以下组成的组：碱金属盐 金属元素，其是硅，锗，锡或铅，以及所述金属元素的含氧酸的碱金属盐。 上述芳香族聚碳酸酯几乎没有着色，在成型时也几乎没有聚合度的降低，而且几乎不会形成分支和不溶物。

公开(公告)号：US06509435B1

公开(公告)日：2003-01-21

申请号：US09959829

申请日：2001-11-08

申请人： Yuichi Kageyama ,  Hiroaki Kaneko ,  Wataru Funakoshi ,  Katsushi Sasaki

发明人： Yuichi Kageyama ,  Hiroaki Kaneko ,  Wataru Funakoshi ,  Katsushi Sasaki

IPC分类号： C08G6400

CPC分类号： C08G64/307 ,  C08G64/06 ,  G11B7/2534

摘要： A polycarbonate which is stable against thermal decomposition at a temperature range for melt molding without adding a heat resistant stabilizer and suitable for the melt molding of a thin product, production method and molded products thereof. The polycarbonate is comprising mainly a recurring unit represented by the following formula (1), and has a percentage of the total of integrated intensities of all signals detected at four ranges, &dgr;=2.14 to 2.17 ppm, &dgr;=3.46 to 3.49 ppm, &dgr;=3.62 to 3.69 ppm and &dgr;=5.42 to 5.46 ppm to the integrated intensity of a signal derived from a methyl group detected at a range of &dgr;=1.50 to 2.00 ppm of 0.01 to 2.0% in its 1H-NMR spectrum in heavy chloroform and a viscosity average molecular weight of 10,000 to 100,000.

摘要翻译： 一种在不添加耐热稳定剂并适于熔融成型薄产品的情况下，在熔融成型温度范围内对热分解稳定的聚碳酸酯，其制造方法及其成型体。 聚碳酸酯主要包含由下式（1）表示的重复单元，并且具有在四个范围检测的所有信号的积分强度的总和的百分比，Δ= 2.14至2.17ppm，Δ= 3.46至3.49ppm，Δ = 3.62〜3.69ppm，δ= 5.42〜5.46ppm，在重氯仿中的1H-NMR光谱中，在δ= 1.50〜2.00ppm的范围内检测到的甲基衍生的信号的积分强度为0.01〜2.0％ 粘均分子量为10,000至100,000。

公开(公告)号：US06417291B1

公开(公告)日：2002-07-09

申请号：US09719984

申请日：2000-12-19

申请人： Hiroaki Kaneko ,  Wataru Funakoshi ,  Yuichi Kageyama ,  Katsushi Sasaki

发明人： Hiroaki Kaneko ,  Wataru Funakoshi ,  Yuichi Kageyama ,  Katsushi Sasaki

IPC分类号： C08F2000

CPC分类号： C08G63/84 ,  C08G63/19 ,  C08G63/83 ,  C08G63/916

摘要： In a process for producing a polyarylate through the polycondensation of an aromatic dihydroxy compound and an aromatic ester bond forming precursor, a salicylic acid ester compound having a specific structure is used as a terminal modifying agent. In a process for producing a polyarylate through the polycondensation of an aromatic dihydroxy compound and an ester bond forming aromatic dicarboxylic acid derivative, a polyarylate of high-molecular weight having excellent color tone and hue stability is obtained.

摘要翻译： 在通过芳族二羟基化合物和芳香族酯键形成前体的缩聚制备多芳基化合物的方法中，使用具有特定结构的水杨酸酯化合物作为末端改性剂。在通过缩聚反应制备多芳基化合物的方法中， 的芳族二羟基化合物和形成酯键的芳族二羧酸衍生物，得到具有优异色调和色调稳定性的高分子量聚芳酯。

公开(公告)号：US06410777B1

公开(公告)日：2002-06-25

申请号：US09402359

申请日：1999-10-04

申请人： Hiroaki Kaneko ,  Wataru Funakoshi ,  Katsushi Sasaki

发明人： Hiroaki Kaneko ,  Wataru Funakoshi ,  Katsushi Sasaki

IPC分类号： C07C6988

CPC分类号： G11B7/253 ,  C07C67/58 ,  C07C68/02 ,  C07C68/08 ,  C07C69/96 ,  C08G64/14 ,  C07C69/86

摘要： The present invention provides a salicylic acid ester derivative having an impurity content lower than a specific level and expressed by the following formula (1) (in the formula, R1 is methyl group or ethyl group, R2, which may be substituted optionally, is an alkyl group having a carbon number of from 1 to 30, alkoxy group having a carbon number of from 1 to 30, aryl group having a carbon number of from 6 to 30, aryloxy group having a carbon number of from 6 to 30, aralkyl group having a carbon number of from 6 to 30 or aralkyloxy group having a carbon number of from 6 to 30). The salicylic acid ester derivative is effective as a terminal blocking agent or a polymerization. promoting agent for a polycarbonate, and gives a polycarbonate having good color tone and suitable for optical material use.

摘要翻译： 本发明提供杂质含量低于特定水平并由下式（1）表示的水杨酸酯衍生物（式中，R 1为甲基或乙基，可任选取代的R 2为 碳数为1至30的烷基，碳数为1至30的烷氧基，碳数为6至30的芳基，碳数为6至30的芳氧基，芳烷基 碳原子数为6〜30或碳数为6〜30的芳烷氧基）。 水杨酸酯衍生物作为末端封端剂或聚合是有效的。 聚碳酸酯的促进剂，并且得到具有良好色调并适合于光学材料使用的聚碳酸酯。

公开(公告)号：US5696222A

公开(公告)日：1997-12-09

申请号：US715466

申请日：1996-09-18

申请人： Hiroaki Kaneko ,  Wataru Funakoshi ,  Katsushi Sasaki

发明人： Hiroaki Kaneko ,  Wataru Funakoshi ,  Katsushi Sasaki

IPC分类号： C08G64/14 ,  C08G64/30 ,  C08G64/00

CPC分类号： C08G64/307 ,  C08G64/14

摘要： A process for the production of a terminal-blocked aromatic polycarbonate by melt-polycondensing an aromatic dihydroxy compound and diphenylcarbonate, the process comprising adding a specific carbonate or carboxylic ester after a polycarbonate formed has an intrinsic viscosity of at least 0.3 dl/g, to form a terminal-blocked polycarbonate having an intrinsic viscosity which is greater than, or smaller than, the intrinsic viscosity of the polycarbonate formed before the addition by 0.1 dl/g at the most; and a process for the production of a polycarbonate having an increased intrinsic viscosity by melt-polycondensing an aromatic dihydroxy compound and diphenylcarbonate, the process comprising adding a specific diaryl carbonate or dicarboxylic diaryl ester after a polycarbonate formed has an intrinsic viscosity of at least 0.3 dl/g, to form a polycarbonate having an intrinsic viscosity greater than the intrinsic viscosity of the polycarbonate formed before the addition by more than 0.1 dl/g.

摘要翻译： 通过使芳族二羟基化合物和碳酸二苯酯熔融缩聚来制备端基封闭的芳族聚碳酸酯的方法，该方法包括在形成的聚碳酸酯之后加入特定的碳酸酯或羧酸酯，其特性粘度至少为0.3dl / g，特性粘度至少为0.3dl / g， 形成特性粘度大于或小于添加前形成的聚碳酸酯的特性粘度最多为0.1dl / g的封端聚碳酸酯; 以及通过使芳族二羟基化合物和碳酸二苯酯熔融缩聚制备具有增加的特性粘度的聚碳酸酯的方法，该方法包括在形成的聚碳酸酯之后加入特定的碳酸二芳基酯或二羧酸二芳基酯，其特性粘度至少为0.3dl 以形成特性粘度大于加成前形成的聚碳酸酯的特性粘度大于0.1dl / g的聚碳酸酯。