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    • 2. 发明授权
    • System and process for producing polycondensation polymer
    • 制备缩聚聚合物的体系和方法
    • US06265526B1
    • 2001-07-24
    • US09674719
    • 2000-11-06
    • Kyosuke KomiyaMuneaki Aminaka
    • Kyosuke KomiyaMuneaki Aminaka
    • C08G6400
    • C08G69/04C08G63/785C08G64/205C08G69/28C08G85/00
    • Disclosed is a system for producing a polycondensation polymer comprising (A) an inert gas absorption device for causing a molten polycondensation prepolymer to absorb an inert gas to thereby obtain (&agr;) a molten prepolymer having the inert gas absorbed therein, (B) a polymerizer device for polymerizing inert gas-absorbed molten prepolymer (&agr;) under reduced pressure, and (C) a pipe for transferring inert gas-absorbed molten prepolymer (&agr;) from absorption device (A) to polymerizer device (B), wherein absorption device (A) and polymerizer device (B) are arranged in this order and connected to each other through pipe (C). Also disclosed is a method for producing a polycondensation polymer by using the above-mentioned system. By the use of the system or method of the present invention, it has become possible to produce a colorless, high quality polycondensation polymer at high polymerization rate even without using a large amount of an inert gas.
    • 本发明公开了一种缩聚聚合物的制造方法,其特征在于,包括:(A)使熔融缩聚预聚物吸收惰性气体的惰性气体吸收装置,从而得到(α)吸收有惰性气体的熔融预聚物,(B)聚合反应器 用于在减压下聚合惰性气体吸收的熔融预聚物(α)的装置,和(C)用于将惰性气体吸收的熔融预聚物(α)从吸收装置(A)转移到聚合反应器装置(B)的管道,其中吸收装置 A)和聚合反应器装置(B)按顺序排列并通过管道(C)彼此连接。 还公开了通过使用上述系统制备缩聚聚合物的方法。 通过使用本发明的系统或方法,即使不使用大量的惰性气体,也可以以高聚合速率制备无色高品质的缩聚聚合物。
    • 3. 发明授权
    • Process for producing aromatic carbonates
    • 芳香族碳酸酯的制备方法
    • US06262210B1
    • 2001-07-17
    • US09445982
    • 1999-12-15
    • Masahiro TojoKazuhiro OonishiKyosuke Komiya
    • Masahiro TojoKazuhiro OonishiKyosuke Komiya
    • C08F12400
    • C07C68/06C07C69/96
    • A process for producing aromatic carbonates, which comprises transesterifying, in the presence of a metal-containing catalyst, a starting material selected from a dialkyl carbonate, an alkyl aryl carbonate and a mixture thereof with a reactant selected from an aromatic monohydroxy compound, an alkyl aryl carbonate and a mixture thereof, characterized in that: at least one type of catalyst-containing liquid is taken out, wherein the catalyst-containing liquid is selected from a portion of a high boiling point reaction mixture obtained by the above transesterification and containing the desired aromatic carbonate and the metal-containing catalyst, and a portion of a liquid catalyst fraction obtained by separating the desired aromatic carbonate from the high boiling point reaction mixture, wherein each portion contains (A) high boiling point substance having a boiling point higher than the boiling point of the produced aromatic carbonate and (B) the metal-containing catalyst; (C) a functional substance capable of reacting with at least one component selected from high boiling point substance (A) and metal-containing catalyst (B) is added to the taken-out catalyst-containing liquid; and the (B)/(C) reaction product is recycled to the reaction system, while withdrawing the (A)/(C) reaction product. By the process of the present invention, the desired aromatic carbonates having high purity can be produced stably for a prolonged period of time.
    • 一种制备芳族碳酸酯的方法,其包括在含金属的催化剂存在下,将选自碳酸二烷基酯,碳酸烷基芳基酯及其混合物的起始原料与选自芳族单羟基化合物,烷基 芳基碳酸酯及其混合物,其特征在于:取出至少一种含催化剂的液体,其中含催化剂的液体选自通过上述酯交换反应获得的高沸点反应混合物的一部分,并含有 所需的芳族碳酸酯和含金属的催化剂,以及通过从高沸点反应混合物中分离所需的芳族碳酸酯而得到的液体催化剂馏分的一部分,其中每一部分含有(A)沸点高于 所生成的芳族碳酸酯的沸点和(B)含金属的催化剂; (C)能够与选自高沸点物质(A)和含金属催化剂(B)中的至少一种成分反应的功能性物质加入到含有催化剂的液体中; 并且(B)/(C)反应产物在回收(A)/(C)反应产物的同时循环到反应体系中。 通过本发明的方法,可以长时间稳定地制备具有高纯度的所需芳族碳酸酯。
    • 4. 发明授权
    • Method for producing an aromatic polycarbonate
    • 芳香族聚碳酸酯的制造方法
    • US5912318A
    • 1999-06-15
    • US54506
    • 1998-04-03
    • Kazumi HasegawaKyosuke KomiyaMuneaki Aminaka
    • Kazumi HasegawaKyosuke KomiyaMuneaki Aminaka
    • C08G64/20C08G64/30C08G64/00
    • C08G64/307C08G64/205
    • A method for producing an aromatic polycarbonate which comprises subjecting to a transesterification polymerization reaction at least one polymerizable material for an aromatic polycarbonate, the transesterification reaction being performed in one or more polymerizers which is or are connected through a pipeline system toward an outlet for a final aromatic polycarbonate product, wherein the pipeline system comprises one or more pipes, through which a molten aromatic polycarbonate having a number average molecular weight increased by the transesterification polymerization reaction is passed while contacting an inner wall of the pipe or pipes, the pipeline system having at least one viscous polycarbonate passage region in which a molten aromatic polycarbonate having a number average molecular weight of 6,000 or more is passed through the pipe, wherein the pipe in the at least one viscous polycarbonate passage region is heated to provide a temperature difference in the range of from -3.degree. C. to 50.degree. C. between the temperature (.degree.C.) of the outer wall of the pipe and the temperature (.degree.C.) of the aromatic polycarbonate in the polymerizer from which the aromatic polycarbonate is passed through the pipe. By the method of the present invention, a high quality aromatic polycarbonate which is not only highly colorless but also has a low foreign matter content can be easily produced.
    • 一种芳族聚碳酸酯的制造方法,其特征在于,对至少一种芳族聚碳酸酯的聚合性材料进行酯交换聚合反应,所述酯交换反应是在一个或多个聚合反应器中进行的,所述聚合反应器是通过管道系统连接到出口, 芳族聚碳酸酯产品,其中管道系统包括一个或多个管道,使通过酯交换聚合反应增加数均分子量的熔融芳族聚碳酸酯通过该管道接触管道或管道的内壁,管道系统具有 至少一个粘性聚碳酸酯通道区域,其中数均分子量为6000以上的熔融芳族聚碳酸酯通过管,其中加热至少一个粘性聚碳酸酯通道区域中的管道以提供在该范围内的温度差 的-3 DE 在管道外壁的温度(℃)和温度(℃)之间,在聚合器中芳族聚碳酸酯通过管道的温度(℃)之间变化到50℃。 通过本发明的方法,可以容易地制备高品质的芳族聚碳酸酯,其不仅高度无色,而且异物含量低。
    • 5. 发明授权
    • Free fall polymerization process for the production of polycarbonates
    • 用于生产聚碳酸酯的自由落体聚合方法
    • US5596067A
    • 1997-01-21
    • US530274
    • 1995-09-01
    • Kyosuke KomiyaYoshifumi KawakamiHiroshige Okamoto
    • Kyosuke KomiyaYoshifumi KawakamiHiroshige Okamoto
    • B01J19/24C08G64/20C08G64/30C08G64/00
    • C08G64/307B01J19/245C08G64/205B01J2219/00085B01J2219/00162Y10S159/10
    • A method for producing an aromatic polycarbonate comprises introducing to an introduction zone (having a perforated plate) a) a molten monomer mixture of an aromatic dihydroxy compound and a diaryl carbonate, or b) a molten prepolymer obtained by a process comprising reacting an aromatic dihydroxy compound with a diaryl carbonate, and allowing the monomer mixture or prepolymer in the molten state to pass downwardly through the perforated plate and fall freely through a free-fall polymerization reaction zone, thereby effecting polymerization of the monomer mixture or prepolymer during the free-fall thereof. Colorless and high quality aromatic polycarbonates are thus stably produced at a high polymerization rate for a prolonged period of time, using an apparatus which has excellent sealing properties under high vacuum and maintenance of which is easy.
    • PCT No.PCT / JP94 / 01202 Sec。 371 1995年9月1日 102(e)1995年9月1日PCT PCT 1994年7月21日PCT公布。 第WO95 / 03351号公报 日本1995年2月2日制造芳香族聚碳酸酯的方法包括向导入区(具有多孔板)导入a)芳香族二羟基化合物和碳酸二芳基酯的熔融单体混合物,或b)通过工序 包括使芳族二羟基化合物与碳酸二芳酯反应,并使熔融状态的单体混合物或预聚物向下通过多孔板,并自由落下通过自由落体聚合反应区,从而进行单体混合物或预聚物的聚合 在自由落体期间。 因此,使用在高真空下具有优异的密封性能并易于维护的装置,无色和优质的芳族聚碳酸酯在高聚合速率下长时间稳定地制备。
    • 6. 发明授权
    • Wire-wetting fall polymonization process for the production of
polycarbonates
    • 用于生产聚碳酸酯的线润滑落差聚合方法
    • US5589564A
    • 1996-12-31
    • US595081
    • 1996-02-01
    • Kyosuke KomiyaYoshifumi KawakamiHiroshige Okamoto
    • Kyosuke KomiyaYoshifumi KawakamiHiroshige Okamoto
    • B01J19/24C08G64/20C08G64/30C08G64/00
    • C08G64/307B01J19/245C08G64/205B01J2219/00085B01J2219/00162
    • A method for producing an aromatic polycarbonate comprises feeding to a feeding zone (having a foraminous plate) at least one polymerizing material selected from the group consisting of a) a molten monomer mixture of an aromatic dihydroxy compound and a diaryl carbonate, and b) a molten prepolymer obtained by a process comprising reacting an aromatic dihydroxy compound with a diaryl carbonate, and allowing the polymerizing material to pass downwardly through the foraminous plate and fall along and in contact with a wire through a wire-wetting fall polymerization reaction zone, thereby effecting polymerization of the polymerizing material during the wire-wetting fall thereof. Colorless and high quality aromatic polycarbonates are thus stably produced at a high polymerization rate for a prolonged period of time, using an apparatus which has excellent sealing properties under high vacuum and maintenance of which is easy.
    • 一种芳族聚碳酸酯的制造方法,包括向至少一种选自a)芳族二羟基化合物和碳酸二芳基酯的熔融单体混合物的聚合材料的进料区(具有多孔板)进料,b) 通过包括使芳族二羟基化合物与碳酸二芳酯反应的方法获得的熔融预聚物,并使聚合材料向下通过多孔板,并通过导线润湿的落下聚合反应区与电线一起并与其接触,从而实现 聚合材料在丝线润湿下降期间的聚合。 因此,使用在高真空下具有优异的密封性能并易于维护的装置,无色和优质的芳族聚碳酸酯在高聚合速率下长时间稳定地制备。
    • 7. 发明授权
    • Method for producing an aromatic polycarbonate
    • 芳香族聚碳酸酯的制造方法
    • US5952449A
    • 1999-09-14
    • US53656
    • 1998-04-02
    • Muneaki AminakaKyosuke KomiyaKazumi Hasegawa
    • Muneaki AminakaKyosuke KomiyaKazumi Hasegawa
    • B01J19/24C08G64/20C08G64/30C08G64/00
    • B01J19/2465B01J19/242B01J19/2425C08G64/205C08G64/307B01J2219/00094B01J2219/00162B01J2219/00168
    • A method for producing an aromatic polycarbonate, which comprises subjecting to a transesterification polymerization reaction at least one polymerizable material for an aromatic polycarbonate. The transesterification polymerization reaction is performed in one or more polymerizers which is or are connected through a pipeline system. The pipeline system comprises one or more pipes through which a molten aromatic polycarbonate having a number average molecular weight increased by the transesterification polymerization reaction is passed while contacting an inner wall of the pipe or pipes. The pipeline system has at least one viscous polycarbonate passage region in which a molten aromatic polycarbonate having a number average molecular weight of 4,000 or more is passed through the pipe. The pipes in the viscous polycarbonate passage region of the pipeline system have no bent portion or not more than 50 bent portions in total. A high quality aromatic polycarbonate is produced, which is colorless and has a low foreign matter content.
    • 一种芳族聚碳酸酯的制造方法,其特征在于,对至少一种芳香族聚碳酸酯的聚合性物质进行酯交换聚合反应。 酯交换聚合反应在一种或多种通过管道系统连接或通过管道系统连接的聚合反应器中进行。 管道系统包括一个或多个管道,通过其中通过酯交换聚合反应增加数均分子量的熔融芳族聚碳酸酯通过该管道,同时接触管道或管道的内壁。 管道系统具有至少一个粘性聚碳酸酯通道区域,其中数均分子量为4000以上的熔融芳族聚碳酸酯通过管道。 管道系统的粘性聚碳酸酯通路区域中的管道总共没有弯曲部分或不超过50个弯曲部分。 产生高品质的芳族聚碳酸酯,其是无色的并且具有低的异物含量。
    • 8. 发明授权
    • Process for preparing aromatic polycarbonate
    • 制备芳族聚碳酸酯的方法
    • US5840826A
    • 1998-11-24
    • US913781
    • 1997-09-19
    • Kyosuke KomiyaShinsuke FukuokaMamoru Kawamura
    • Kyosuke KomiyaShinsuke FukuokaMamoru Kawamura
    • C08G64/30C08G64/00
    • C08G64/307
    • Disclosed is a method for producing an aromatic polycarbonate which comprises subjecting to a transesterification reaction in a polymerizer at least one polymerizable material selected from a molten monomer mixture of an aromatic dihydroxy compound and a diaryl carbonate, and a molten prepolymer obtained from the monomer mixture, wherein a liquid mass of polymerizable material being transesterified in the polymerizer has an exposed surface, and wherein the transesterification reaction of the liquid mass of polymerizable material is performed under reaction conditions such that the following formula (1) is satisfied: log (S/V).gtoreq.2.times.10.sup.-5 .times.Mn+0.8 (1) wherein S represents an evaporation surface area (m.sup.2) which is defined as the area (m.sup.2) of the exposed surface of the liquid mass of polymerizable material; V represents the volume (m.sup.3) of the liquid mass of polymerizable material in the polymerizer; and Mn represents the number average molecular weight of the aromatic polycarbonate to be produced.
    • PCT No.PCT / JP96 / 03658 Sec。 371日期:1997年9月19日 102(e)1997年9月19日PCT PCT 1996年12月13日PCT公布。 公开号WO97 / 22650 PCT 日期:1997年6月26日公开是一种芳族聚碳酸酯的制造方法,其特征在于,在聚合器中进行酯交换反应,所述酯交换反应是选自芳香族二羟基化合物和碳酸二芳基酯的熔融单体混合物中的至少一种聚合性物质和得到的熔融预聚物 从聚合反应器中酯交换的可聚合材料的液体物质具有暴露的表面,并且其中可聚合材料的液体物质的酯交换反应在满足以下公式(1)的反应条件下进行: log(S / V)> / = 2x10-5x + E,ovs M + EE n + 0.8(1)其中S表示蒸发表面积(m2),其定义为暴露表面的面积(m2) 可聚合材料液体; V表示聚合反应器中可聚合材料的液体体积的体积(m3); 和+ E,ovs M + EE n表示待生产的芳族聚碳酸酯的数均分子量。
    • 9. 发明授权
    • Method for producing an aromatic polycarbonate having improved melt
stability
    • 具有改善熔体稳定性的芳族聚碳酸酯的制造方法
    • US5747609A
    • 1998-05-05
    • US785505
    • 1997-01-17
    • Kyosuke KomiyaShinsuke Fukuoka
    • Kyosuke KomiyaShinsuke Fukuoka
    • C08F2/00C08G64/20C08G64/30
    • C08G64/205C08G64/307
    • Disclosed is a method for producing an aromatic polycarbonate, which comprises: reacting a feedstock dialkyl carbonate with a feedstock phenol in the presence of a catalyst to produce diphenyl carbonate, wherein a phenol mixture comprising component phenols which are different in supply source is used as the feedstock phenol, and polymerizing the produced diphenyl carbonate with an aromatic dihydroxy compound to produce an aromatic polycarbonate while producing phenol as a by-product, wherein the by-product phenol obtained in the production of the aromatic polycarbonate is used as a component phenol of the feedstock phenol mixture for producing diphenyl carbonate, and wherein the content of the by-product phenol in the feedstock phenol mixture is controlled to a level in the range of from 70 to 99% by weight. According to the method of the present invention, an aromatic polycarbonate having excellent melt stability at high temperatures can be stably produced. In the method of the present invention, a by-product phenol obtained in the production of an aromatic polycarbonate is effectively utilized for obtaining diphenyl carbonate used for producing an aromatic polycarbonate.
    • 公开了一种芳族聚碳酸酯的制备方法,其包括:在催化剂存在下使原料二烷基碳酸酯与原料酚反应以制备碳酸二苯酯,其中将包含不同供应源的组分酚的苯酚混合物用作 并将生产的碳酸二苯酯与芳族二羟基化合物聚合以制备芳族聚碳酸酯,同时生产作为副产物的苯酚,其中在制备芳族聚碳酸酯中获得的副产物苯酚用作 用于生产碳酸二苯酯的原料苯酚混合物,其中原料酚混合物中副产物苯酚的含量控制在70-99重量%的范围内。 根据本发明的方法,可以稳定地制造在高温下具有优异的熔融稳定性的芳族聚碳酸酯。 在本发明的方法中,在制备芳族聚碳酸酯时获得的副产物酚被有效地用于获得用于制备芳族聚碳酸酯的碳酸二苯酯。
    • 10. 发明授权
    • Discoloration-insusceptible polycarbonate composition
    • 变色不溶性聚碳酸酯组合物
    • US5719254A
    • 1998-02-17
    • US705950
    • 1996-08-30
    • Hiroshi HachiyaKyosuke Komiya
    • Hiroshi HachiyaKyosuke Komiya
    • C08K5/13C08G64/30C08K5/00C08K5/134C08L69/00C08G64/00
    • C08G64/307C08K5/1345
    • Disclosed is a polycarbonate composition comprising (a) an aromatic dihydroxy compound/carbonic diester transesterification polycarbonate having terminal hydroxyl groups in a proportion of at least 20 mole %, based on the molar total of all terminal groups of the polycarbonate, and (b) a phenolic antioxidant in an amount satisfying the following formula (1): 20.times.10.sup.5 M.ltoreq.X.ltoreq.20.times.10.sup.5 M+2,100(1) wherein X represents the amount of said phenolic antioxidant (ppm by weight), based on the weight of said polycarbonate, and M represents the amount of said terminal hydroxyl groups (mol/g-polycarbonate). The polycarbonate composition of the present invention has an advantage in that it is insusceptible to discoloration not only during production thereof and molding of the composition, but also when a molded article produced from the composition experiences high temperature atomosphere. The polycarbonate composition of the present invention can be advantageously used in the various fields where polycarbonates have conventionally been used.
    • 公开了一种聚碳酸酯组合物,其包含(a)基于所述聚碳酸酯的所有端基的摩尔数,至少20摩尔%的具有末端羟基的芳族二羟基化合物/碳酸二酯酯交换聚碳酸酯,和(b) 以下式(1)的量的酚类抗氧化剂:20×10 5 M X = 20×10 5 M + 2,100(1)其中X表示所述酚类抗氧化剂的量(重量ppm),基于所述聚碳酸酯的重量, M表示末端羟基(mol / g-聚碳酸酯)的量。 本发明的聚碳酸酯组合物的优点在于,不仅在其制备和组合物的成型过程中,而且当由该组合物制备的模制品经历高温大气压时,它不易变色。 本发明的聚碳酸酯组合物可以有利地用于常规使用聚碳酸酯的各种领域。