公开(公告)号：US06316575B1

公开(公告)日：2001-11-13

申请号：US09147436

申请日：1998-12-23

申请人： Shigeki Kuze ,  Kenji Tanaka ,  Akiko Yabe ,  Misako Ishikawa ,  Naoko Seino

发明人： Shigeki Kuze ,  Kenji Tanaka ,  Akiko Yabe ,  Misako Ishikawa ,  Naoko Seino

IPC分类号： C08G6400

CPC分类号： C08G64/30

摘要： Provided are a method for producing polycarbonates through melt transesterification, wherein is used a polymerization catalyst comprising a phosphorus-containing basic compound and a quaternary phosphonium salt having a specific structure; and a method for producing polycarbonates, which comprises pre-polymerization to prepare polycarbonate prepolymers followed by final polymerization of said prepolymers in a solid phase or in a swollen solid phase to produce the products, polycarbonates, and in which (1) a catalyst comprising a phosphorus-containing basic compound and a quaternary phosphonium salt having a specific structure is used in the pre-polymerization and in the final polymerization, or (2) a catalyst of a tri-valent or penta-valent phosphorus compound or a nitrogen-containing organic basic compound is used in the final polymerization, or (3) the final polymerization is effected in a vapor-phase atmosphere having an oxygen concentration of not larger than 2 ppm. In those methods, high-quality polycarbonates having good appearance, high heat resistance and high hydrolysis resistance are produced extremely efficiently.

摘要翻译： 提供通过熔融酯交换法生产聚碳酸酯的方法，其中使用包含含磷碱性化合物和具有特定结构的季鏻盐的聚合催化剂; 和聚碳酸酯的制造方法，其包括预聚合以制备聚碳酸酯预聚物，然后在固相或溶胀固相中最终聚合所述预聚物以制备产物，聚碳酸酯，并且其中（1）催化剂包含 在预聚合和最终聚合中使用含磷碱性化合物和具有特定结构的季鏻盐，或（2）三价或五价磷化合物或含氮有机物的催化剂 在最终聚合中使用碱性化合物，或（3）最终聚合在氧浓度不大于2ppm的气相气氛中进行。 在这些方法中，非常有效地制造出具有良好外观，高耐热性和高耐水解性的高品质聚碳酸酯。

公开(公告)号：US5922826A

公开(公告)日：1999-07-13

申请号：US875402

申请日：1997-07-31

申请人： Shigeki Kuze ,  Kenji Tanaka ,  Kouichi Suga ,  Yoshikatsu Seino ,  Akihiro Shishikura ,  Noriyuki Kunishi

发明人： Shigeki Kuze ,  Kenji Tanaka ,  Kouichi Suga ,  Yoshikatsu Seino ,  Akihiro Shishikura ,  Noriyuki Kunishi

IPC分类号： C08G64/22 ,  C08G64/24 ,  C08G64/30 ,  C08G64/00

CPC分类号： C08G64/307 ,  C08G64/22 ,  C08G64/24

摘要： There are disclosed a process for producing a polycarbonate through transesterification which comprises using, as a polymerization catalyst, (1) a combination of a nitrogen-containing organic basic compound and a quaternary phosphonium salt, (2) a tetraarylphosphonium salt having a specific chemical structure, or (3) a quaternary phosphonium salt having a specific chemical structure and containing a branched alkyl group; and a process for producing a polycarbonate which comprises the steps of preparing a polycarbonate prepoplymer by preliminary polymerization and thereafter polymerizing the resultant prepolymer in a state of a solid phase by the use of a quaternary phosphonium salt as a catalyst.By using any of these processes it is made possible to produce, in extremely high efficiency, a high-quality polycarbonate being excellent in appearance, heat resistance, hydrolysis resistance and the like.

摘要翻译： PCT No.PCT / JP96 / 00178 Sec。 371日期1997年7月31日 102（e）日期1997年7月31日PCT提交1996年1月31日PCT公布。 第WO96 / 23832号公报 日期：1996年8月8日公开了通过酯交换反应生产聚碳酸酯的方法，该方法包括使用（1）含氮有机碱性化合物和季鏻盐的组合作为聚合催化剂，（2）四芳基鏻盐 具有特定的化学结构，或（3）具有特定化学结构并含有支链烷基的季鏻盐; 和聚碳酸酯的制造方法，其特征在于，包括以下步骤：通过预聚合制备聚碳酸酯预聚物，然后通过使用季鏻盐作为催化剂，使所得预聚物以固相的状态聚合。 通过使用任何这些方法，可以以极高的效率制造出外观，耐热性，耐水解性等优异的高品质聚碳酸酯。

公开(公告)号：US5314949A

公开(公告)日：1994-05-24

申请号：US28366

申请日：1993-03-09

申请人： Shiro Kozakura ,  Shigeki Kuze ,  Kenji Tanaka

发明人： Shiro Kozakura ,  Shigeki Kuze ,  Kenji Tanaka

IPC分类号： C08L67/02 ,  C08L69/00

CPC分类号： C08L67/02 ,  C08L69/00

摘要： A polycarbonate resin composition comprising 1 to 99% by weight of a branched polycarbonate having a branched nucleus structure derived from a branching agent represented by the general formula: ##STR1## wherein R is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and R.sup.1 to R.sup.6 are hydrogen atoms, alkyl groups having 1 to 5 carbon atoms or halogen atoms, respectively, and 99 to 1% by weight of a thermoplastic polyester resin. The polycarbonate resin composition is excellent in fluidability, solvent resistance and moldability.

摘要翻译： 一种聚碳酸酯树脂组合物，其包含1至99重量％的支链聚碳酸酯，所述支链聚碳酸酯具有衍生自由以下通式表示的支化剂的支化核结构：其中R是氢原子或具有1至 5个碳原子，R1〜R6分别为氢原子，碳原子数为1〜5的烷基或卤原子，99〜1重量％的热塑性聚酯树脂。 聚碳酸酯树脂组合物的流动性，耐溶剂性和成型性优异。

公开(公告)号：US06498228B1

公开(公告)日：2002-12-24

申请号：US09868919

申请日：2001-10-16

申请人： Akio Nodera ,  Shigeki Kuze ,  Tsuyoshi Murakami ,  Naoki Mitsuta

发明人： Akio Nodera ,  Shigeki Kuze ,  Tsuyoshi Murakami ,  Naoki Mitsuta

IPC分类号： C08G6402

CPC分类号： C08K5/523 ,  C08L27/18 ,  C08L51/04 ,  C08L55/02 ,  C08L69/00 ,  C08L51/00

摘要： Disclosed are a flame-retardant polycarbonate resin composition comprising, as the essential ingredients, (A) a polycarbonate resin, (B) a specific styrenic resin, and (C) a specific phosphate compound, and its moldings. Containing no halogen, the resin composition and its moldings have good flame retardancy, impact strength, heat-resistant stability, thermal aging resistance, and wet heat resistance.

摘要翻译： 公开了一种阻燃聚碳酸酯树脂组合物，其包含作为必要成分的（A）聚碳酸酯树脂，（B）特定的苯乙烯类树脂和（C）特定的磷酸酯化合物及其成型品。 不含卤素，树脂组合物及其成型品具有良好的阻燃性，冲击强度，耐热稳定性，耐热老化性和耐湿热性。

公开(公告)号：US5306802A

公开(公告)日：1994-04-26

申请号：US31631

申请日：1993-03-15

申请人： Ryozo Okumura ,  Shigeki Kuze ,  Noriyuki Kunishi

发明人： Ryozo Okumura ,  Shigeki Kuze ,  Noriyuki Kunishi

IPC分类号： C08G64/00 ,  C08G64/10 ,  C08G64/22 ,  C08G64/24 ,  C08G64/26

CPC分类号： C08G64/10 ,  C08G64/24

摘要： Disclosed herein is a polycarbonate copolymer comprising repeating units respectively made of a bisphenol A and a tetrahalogenobisphenol A and having a trihalogenophenoxy group as an end group at the terminal, particularly both terminals thereof and a method for efficiently producing said polycarbonate copolymer. This polycarbonate copolymer is superior in impact resistance, flame retardance, molding thermostability and the like, is good in hydrolytic resistance, is much less liable to cause a mold rust and has high quality. Therefore, this polycarbonate copolymer will be extensively used in various industrial materials, for example as the flame retardant parts for household electric appliances, office automation apparatuses and the like.

摘要翻译： 本文公开了包含分别由双酚A和四卤代双酚A制成的重复单元和在末端具有三卤代苯氧基作为端基，特别是两个末端的聚碳酸酯共聚物和有效制备所述聚碳酸酯共聚物的方法。 该聚碳酸酯共聚物的耐冲击性，阻燃性，成型热稳定性等优异，耐水解性良好，容易引起模具锈蚀且质量高的特性。 因此，这种聚碳酸酯共聚物将广泛用于各种工业材料，例如家用电器，办公自动化设备等的阻燃部件。

公开(公告)号：US5104964A

公开(公告)日：1992-04-14

申请号：US549270

申请日：1990-07-06

申请人： Shigeki Kuze ,  Hideo Kusuyama ,  Masayuki Shinohara ,  Masaya Okamoto

发明人： Shigeki Kuze ,  Hideo Kusuyama ,  Masayuki Shinohara ,  Masaya Okamoto

IPC分类号： C08G64/14

CPC分类号： C08G64/14

摘要： A branched polycarbonate having (1) an intrinsic viscosity of 0.3 to 2 dl/g, (2) a branching parameter of 0.05 to 0.9, (3) a degree of branching of 0.2.times.10.sup.-4 and optionally (4) a taking-off parameter of 2.5 to 20. The branched polycarbonate is useful as a raw material for blow-moldings.

公开(公告)号：US5625027A

公开(公告)日：1997-04-29

申请号：US530907

申请日：1995-09-20

申请人： Shigeki Kuze ,  Ryozo Okumura ,  Seiji Takahashi

发明人： Shigeki Kuze ,  Ryozo Okumura ,  Seiji Takahashi

IPC分类号： C08G64/00 ,  C08G64/14 ,  C08G64/20 ,  C08G64/24 ,  B01J31/00

CPC分类号： C08G64/14 ,  C08G64/24

摘要： A process for producing a branched polycarbonate which comprises using a branching agent containing 200 ppm or less of sulfur; a branched polycarbonate which is prepared by the interfacial method and contains 1.0 ppm or less of residual sulfur as an impurity; and a branched polycarbonate which is prepared by the melting method and contains 2.0 ppm or less of residual sulfur as an impurity; are provided. When the branched polycarbonate is produced by the interfacial method, the branched polycarbonate produced does not show deterioration in heat stability or cause mold corrosion. When the branched polycarbonate is produced by the melting method, the branched polycarbonate produced does not show deterioration in heat stability or in color tone.

摘要翻译： 一种支链聚碳酸酯的制造方法，其特征在于，使用含有200ppm以下的硫的支化剂， 支链聚碳酸酯，其通过界面方法制备并含有1.0ppm或更少的残余硫作为杂质; 和通过熔融法制备并含有2.0ppm或更少的残留硫作为杂质的支化聚碳酸酯; 被提供。 当通过界面方法制造支化聚碳酸酯时，所生产的支化聚碳酸酯不会显示出热稳定性劣化或引起模具腐蚀。 当通过熔融法制造支化聚碳酸酯时，所生产的支化聚碳酸酯不会发生热稳定性或色调的劣化。

公开(公告)号：US5459225A

公开(公告)日：1995-10-17

申请号：US251287

申请日：1994-05-31

申请人： Shigeki Kuze ,  Ryozo Okumura ,  Yoshinobu Suwabe

发明人： Shigeki Kuze ,  Ryozo Okumura ,  Yoshinobu Suwabe

IPC分类号： C08G64/30 ,  C08G64/00

CPC分类号： C08G64/307

摘要： A process for producing a polycarbonate, which comprises transesterifying, in the presence of an antioxidant, (A) a dihydroxy compound or a precursor thereof and (B) a carbonic acid diester having, as an impurity, a chlorine content derived from chloroformate group of at most 30 ppm, which is determined by subtracting the chlorine content extracted with water using ion chromatography from the total chlorine content contained in said carbonic acid diester determined by potentiometric titration.

摘要翻译： 一种制备聚碳酸酯的方法，其包括在抗氧化剂存在下，（A）二羟基化合物或其前体和（B）碳酸二酯的存在下酯交换作为杂质的氯酸酯基的氯含量 最多30ppm，其通过使用离子色谱从水中提取的氯含量从通过电位滴定确定的所述碳酸二酯中含有的总氯含量来确定。

公开(公告)号：US5243018A

公开(公告)日：1993-09-07

申请号：US924066

申请日：1992-09-11

申请人： Shigeki Kuze ,  Takashi Komatsu

发明人： Shigeki Kuze ,  Takashi Komatsu

IPC分类号： C08G64/00 ,  C08G64/10 ,  C08G64/14

CPC分类号： C08G64/14 ,  C08G64/10

摘要： This is a branched polycarbonate which comprises a branched structure derived from a branching agent such as 1,1,1-tris(4-hydroxyphenyl)ethane, a repeating unit (I) represented by the following general formula: ##STR1## a repeating unit (II) represented by the following general formula: ##STR2## and a tribromophenoxy group bonded to the terminal thereof, said branched polycarbonate having a viscosity average molecular weight of 10,000 to 50,000, a ratio of said branched structure of 0.1 to 2.0 mol % and a content of said repeating unit (II) of 10 mol % or less.This branched polycarbonate is excellent in flame retardancy, has sufficiently high mechanical properties and further is excellent in melt properties suitable for blow molding.

公开(公告)号：US07009001B2

公开(公告)日：2006-03-07

申请号：US10344556

申请日：2001-08-09

申请人： Hiroshi Kawato ,  Shigeki Kuze

发明人： Hiroshi Kawato ,  Shigeki Kuze

IPC分类号： C08L69/00

CPC分类号： C08L69/00 ,  C08K5/524 ,  C08L33/06 ,  C08L63/00 ,  C08L83/04 ,  C08L2666/02

摘要： Provided is an aromatic polycarbonate resin composition which comprises 100 parts by mass of an aromatic polycarbonate resin and from 0.001 to 1 part by mass of an additional thermoplastic resin that differs from the aromatic polycarbonate resin in the refractive index by at least 0.001 and which is so designed that the ratio (X)/(Y) is at least 0.5 wherein (X) indicates the spectral transmittance at 320 nm through a sample plate of the resin composition having a thickness of 2 mm and (Y) indicates the spectral transmittance at 633 nm through it. Having realized further increase in the transparency of aromatic polycarbonate resin, the resin composition gives moldings of which the transparency is comparable to that of acrylic resin for optical use, and the resin moldings have good impact resistance and heat resistance.