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。

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：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：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：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：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：US06608165B2

公开(公告)日：2003-08-19

申请号：US10130048

申请日：2002-05-13

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

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

IPC分类号： C08G6400

CPC分类号： C08G64/307

摘要： A polycarbonate having excellent color and stability and a production process therefor. In the production of a polycarbonate by melt polycondensing a dihydroxy compound and a carbonic acid diester in the presence of an ester exchange catalyst, the each content of an aldehyde group in the dihydroxy compound and the carbonic acid diester is reduced to 3×10−6 equivalent/mol or less.

摘要翻译： 具有优异的颜色和稳定性的聚碳酸酯及其制备方法。在通过在酯交换催化剂的存在下熔融缩聚二羟基化合物和碳酸二酯来制备聚碳酸酯中，二羟基化合物中醛基的各含量 碳酸二酯的含量降低至3×10 -6当量/摩尔以下。

公开(公告)号：US06423813B1

公开(公告)日：2002-07-23

申请号：US09959075

申请日：2001-10-18

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

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

IPC分类号： C08G6400

CPC分类号： C08G64/14

摘要： A method for producing a high-quality thermoplastic branched polycarbonate which is used in blow-molding, extrusion or vacuum molding from a linear aromatic polycarbonate efficiently. The thermoplastic branched polycarbonate is produced by melt-mixing and reacting a substantially linear aromatic polycarbonate with an acid anhydride having at least two cyclic acid anhydride groups in a molecule in the presence of a basic catalyst.

摘要翻译： 一种用于生产由线性芳族聚碳酸酯进行吹塑，挤出或真空成型的高品质热塑性支链聚碳酸酯的方法。 通过在碱性催化剂的存在下，使分子内具有至少两个环状酸酐基团的酸酐与基本上线性的芳族聚碳酸酯熔融混合并使其反应来制造热塑性支化聚碳酸酯。