公开(公告)号：US07282537B2

公开(公告)日：2007-10-16

申请号：US10988520

申请日：2004-11-16

Applicant: Susumu Kanzaki ,  Kazuki Wakamatsu

Inventor： Susumu Kanzaki ,  Kazuki Wakamatsu

IPC: C08L53/00 ,  C08L23/10 ,  C08L23/16 ,  C08F210/00

CPC classification number: C08F10/00 ,  C08F210/06 ,  C08L23/14 ,  C08L2205/02 ,  C08L2314/02 ,  C08F4/6492 ,  C08L2666/06 ,  C08F210/16 ,  C08F2500/17 ,  C08F2500/12

Abstract: Disclosed is a propylene-based polymer including from 51 to 75% by weight of a propylene-ethylene random copolymer component (A) having an intrinsic viscosity [η]A, measured in tetralin at 135° C., of 5 dl/g or more and an ethylene content of not less than 8% by weight but less than 20% by weight, and from 25 to 49% by weight of a propylene-based polymer component (B) obtained by polymerizing monomers mainly including propylene, the component having an intrinsic viscosity [η]B, measured in tetralin at 135° C., of 1.2 dl/g or less, wherein said amounts of the components (A) and (B) are each based on the combined weight of these components.

Abstract translation: 公开了一种丙烯类聚合物，其包含51至75重量％的在135℃下在四氢化萘中测量的特性粘度ηA SUP的丙烯 - 乙烯无规共聚物组分（A） ，5dl / g以上，乙烯含量为8重量％以上且20重量％以下，25〜49重量％的丙烯系聚合物成分（B），其通过聚合单体 主要包括丙烯，在135℃下在四氢化萘中测得的特性粘度ηB的组分为1.2dl / g或更低，其中组分（A）和（ B）各自基于这些组件的组合重量。

公开(公告)号：US20060014914A1

公开(公告)日：2006-01-19

申请号：US11180725

申请日：2005-07-14

Applicant: Kazuyuki Takemura ,  Yoichi Konno ,  Kazuki Wakamatsu

Inventor： Kazuyuki Takemura ,  Yoichi Konno ,  Kazuki Wakamatsu

IPC: C08F2/00 ,  B01J19/00 ,  B01J19/18

CPC classification number: B01J8/003 ,  B01J8/1809 ,  B01J8/1872 ,  B01J2208/00619 ,  B01J2208/00752 ,  B01J2208/00761 ,  B01J2219/00033 ,  B01J2219/0004 ,  C08F10/00 ,  C08F110/02 ,  Y10S526/92 ,  C08F2/01

Abstract: An apparatus and method for continuous polymerization of olefin(s), and a method for transferring a polymer powder from one reactor to another in the apparatus are disclosed. The apparatus includes a plurality of serially disposed gas-phase polymerization reactors including a combination of an upstream and downstream reactors and a gas exchange vessel disposed between both reactors. The gas exchange vessel is connected to the upstream and downstream reactors by a first and second transfer conduits, respectively. The gas exchange vessel has a gas distributor plate therein which partitions the gas exchange vessel into an upper section having a gas exchange chamber and a lower section. In the gas exchange chamber, the gas transferred from the upstream reactor together with a polymer powder is exchange at least partly with fresh gas introduced through the gas distributor plate via the lower section. The polymer powder is then transferred to the downstream reactor.

Abstract translation: 公开了一种用于连续聚合烯烃的装置和方法，以及用于在装置中将聚合物粉末从一个反应器转移到另一反应器的方法。 该装置包括多个串联设置的气相聚合反应器，包括上游和下游反应器的组合以及设置在两个反应器之间的气体交换容器。 气体交换容器分别通过第一和第二输送管道连接到上游和下游反应器。 气体交换容器在其中具有气体分配板，其将气体交换容器分隔成具有气体交换室和下部的上部。 在气体交换室中，从上游反应器与聚合物粉末一起转移的气体至少部分地通过下部通过气体分布板引入的新鲜气体进行交换。 然后将聚合物粉末转移到下游反应器。

公开(公告)号：US06451936B1

公开(公告)日：2002-09-17

申请号：US08465515

申请日：1995-06-05

Applicant: Hajime Sadatoshi ,  Seiichiro Ima ,  Kazuki Wakamatsu ,  Jiro Mori ,  Eisuke Shiratani

Inventor： Hajime Sadatoshi ,  Seiichiro Ima ,  Kazuki Wakamatsu ,  Jiro Mori ,  Eisuke Shiratani

IPC: C08F458

CPC classification number: C08J5/18 ,  C08F10/00 ,  C08F210/06 ,  C08J2323/10 ,  C08F4/6465 ,  C08F210/16 ,  C08F2500/17 ,  C08F2500/12 ,  C08F2500/26 ,  C08F210/08

Abstract: A polypropylene random copolymer obtained by copolymerizing propylene and an &agr;-olefin or propylene, ethylene, and &agr;-olefin using a Ziegler-Natta catalyst substantially in the absence of solvent, wherein propylene content is from 92.3 to 75.0% by weight, the ethylene content (E) is from 0 to 2.7% by weight, and the &agr;-olefin content is from 5.0 to 25.0% by weight, and wherein the content (C) of 20° C. xylene-soluble components in the random copolymer satisfies following formulae (1) to (3); in the copolymer wherein the ethylene content (E) is less than 1.5% by weight, C≦12.0 (weight %)  (1) in the copolymer wherein the ethylene content (E) is from 1.5% by weight to 1.8% by weight, C≦42.0−20.0×E (weight %)  (2) and in the copolymer wherein the ethylene content (E) is from 1.8% by weight to 2.7% by weight, C≦6.0 (weight %)  (3).

Abstract translation: 通过使用基本上不存在溶剂的齐格勒 - 纳塔催化剂共聚丙烯和α-烯烃或丙烯，乙烯和α-烯烃得到的聚丙烯无规共聚物，其中丙烯含量为92.3〜75.0重量％，乙烯含量 （E）为0〜2.7重量％，α-烯烃含量为5.0〜25.0重量％，无规共聚物中20℃二甲苯可溶成分的含量（C）满足下式 （1）〜（3）所示的共聚物中，乙烯含量（E）为1.5重量％〜1.8重量％的共聚物中，乙烯含量（E）小于1.5重量％ 其中乙烯含量（E）为1.8重量％至2.7重量％的共聚物，

公开(公告)号：US06225414B1

公开(公告)日：2001-05-01

申请号：US08868539

申请日：1997-06-04

Applicant: Takanori Kume ,  Kazuki Wakamatsu ,  Eisuke Shiratani

Inventor： Takanori Kume ,  Kazuki Wakamatsu ,  Eisuke Shiratani

IPC: C08F29708

CPC classification number: C08F297/083 ,  C08F210/16 ,  C08F2/001 ,  C08F2/34

Abstract: A polypropylene block copolymer obtained by producing an ethylene-propylene copolymer moiety as a component A having an ethylene content of 1.5 to 6.0% by weight in an amount of 40 to 85% by weight based on the total weight of components A and B in the absence of an inert solvent, substantially, in a first step, with a Ziegler-Natta catalyst, and then producing an ethylene-propylene copolymer moiety as a component B having an ethylene content of 7 to 17% by weight in an amount of 15 to 60% by weight based on an amount of the whole polymer in a gas phase in a second step, wherein an intrinsic viscosity ([&eegr;]B) of the component B is from 2.0 to 5.0 dl/g and the ratio of the intrinsic viscosity ([&eegr;]B) of the component B to an intrinsic viscosity ([&eegr;]A) of the component A is within the range of 0.5 to 1.8.

Abstract translation: 一种聚丙烯嵌段共聚物，它通过以乙烯 - 丙烯共聚物部分作为组分A生产乙烯含量为基于A组分和B组分总重量的40至85重量％的重量百分数为1.5至6.0重量％ 基本上不用惰性溶剂，在第一步中，用齐格勒 - 纳塔催化剂，然后制备乙烯 - 丙烯共聚物部分作为组分B，其乙烯含量为7至17重量％，用量为15至 60重量％，基于第二工序中的气相中的全部聚合物的量，其中，成分B的特性粘度（ηB）为2.0〜5.0dl / g，特性粘度 组分B的（ηB）与组分A的特性粘度（ηA）在0.5至1.8的范围内。

公开(公告)号：US07465772B2

公开(公告)日：2008-12-16

申请号：US11180725

申请日：2005-07-14

Applicant: Kazuyuki Takemura ,  Yoichi Konno ,  Kazuki Wakamatsu

Inventor： Kazuyuki Takemura ,  Yoichi Konno ,  Kazuki Wakamatsu

IPC: C08F2/34 ,  B01J19/24 ,  F26B17/10

CPC classification number: B01J8/003 ,  B01J8/1809 ,  B01J8/1872 ,  B01J2208/00619 ,  B01J2208/00752 ,  B01J2208/00761 ,  B01J2219/00033 ,  B01J2219/0004 ,  C08F10/00 ,  C08F110/02 ,  Y10S526/92 ,  C08F2/01

Abstract: An apparatus and method for continuous polymerization of olefin(s), and a method for transferring a polymer powder from one reactor to another in the apparatus are disclosed. The apparatus includes a plurality of serially disposed gas-phase polymerization reactors including a combination of an upstream and downstream reactors and a gas exchange vessel disposed between both reactors. The gas exchange vessel is connected to the upstream and downstream reactors by a first and second transfer conduits, respectively. The gas exchange vessel has a gas distributor plate therein which partitions the gas exchange vessel into an upper section having a gas exchange chamber and a lower section. In the gas exchange chamber, the gas transferred from the upstream reactor together with a polymer powder is exchange at least partly with fresh gas introduced through the gas distributor plate via the lower section. The polymer powder is then transferred to the downstream reactor.

Abstract translation: 公开了一种用于连续聚合烯烃的装置和方法，以及用于在装置中将聚合物粉末从一个反应器转移到另一反应器的方法。 该装置包括多个串联设置的气相聚合反应器，包括上游和下游反应器的组合以及设置在两个反应器之间的气体交换容器。 气体交换容器分别通过第一和第二输送管道连接到上游和下游反应器。 气体交换容器在其中具有气体分配板，其将气体交换容器分隔成具有气体交换室和下部的上部。 在气体交换室中，从上游反应器与聚合物粉末一起转移的气体至少部分地通过下部通过气体分布板引入的新鲜气体进行交换。 然后将聚合物粉末转移到下游反应器。

公开(公告)号：US06777497B2

公开(公告)日：2004-08-17

申请号：US10087810

申请日：2002-03-05

Applicant: Susumu Kanzaki ,  Mitsuji Tsuji ,  Kazuki Wakamatsu

Inventor： Susumu Kanzaki ,  Mitsuji Tsuji ,  Kazuki Wakamatsu

IPC: C08L2300

CPC classification number: C08L23/10 ,  C08L53/00 ,  C08L2205/02 ,  C08L2310/00 ,  C08L2666/04

Abstract: A polypropylene-based resin composition comprising 0.5 to 10% by weight of a propylene-based polymer component (A1) obtained by polymerizing a monomer mainly composed of propylene, having an intrinsic viscosity [&eegr;]A1 measured in tetralin at 135° C. of 5 dl/g or more and a melting peak temperature TmA1 measured by a differential scanning calorimeter of 130 to 160° C., 90 to 99.5% by weight of a propylene-based polymer component (A2) obtained by polymerizing a monomer mainly composed of propylene, intrinsic viscosity [&eegr;]2 measured in tetralin at 135° C. of less than 5 dl/g.

Abstract translation: 一种聚丙烯系树脂组合物，其含有0.5〜10重量％的丙烯类聚合物成分（A1），该丙烯类聚合物成分（A1）通过聚合主要由丙烯构成的单体，在135℃下在四氢化萘中测定的特性粘度η

公开(公告)号：US06645901B2

公开(公告)日：2003-11-11

申请号：US09820977

申请日：2001-03-30

Applicant: Tomoaki Goto ,  Kazuki Wakamatsu ,  Shinichi Kumamoto

Inventor： Tomoaki Goto ,  Kazuki Wakamatsu ,  Shinichi Kumamoto

IPC: B01J3100

CPC classification number: C08F10/00 ,  C08F210/16 ,  Y10S526/901 ,  Y10S526/908 ,  Y10S526/909 ,  C08F4/6565 ,  C08F4/6492 ,  C08F210/08 ,  C08F2500/18 ,  C08F2500/12 ,  C08F2500/17

Abstract: A prepolymerization catalyst for use in a gas phase polymerization of an olefin or combinations of olefins which comprises (A) a solid catalyst component comprising magnesium, halogen, titanium and an electron donor and having a weight-average particle diameter of 15 to 45 &mgr;m, (B) at least one organoaluminum compound and (C) a prepolymer of an ethylene and/or at least one &agr;-olefin, wherein the molar ratio of aluminum to titanium in the prepolymerization catalyst (Al/Ti ratio) is 3 to 11 (mol/mol), the weight ratio of the prepolymerization catalyst to the solid catalyst component (prepolymerization catalyst/solid catalyst component) is 2 to 35 (g/g), the content of volatile materials (VM) in the prepolymerization catalyst is 2.0% by weight or less, and the intrinsic viscosity [&eegr;] measured in tetralin at 135° C. is 2.0 dl/g or less, and a process for a production thereof. According to the present invention, a prepolymerization catalyst for gas phase polymerization of olefins showing a high activity in gas phase polymerization, not forming aggregates and coarse particles markedly at the time of prepolymerization, having a high bulk density and an excellent fluidity, not causing a marked entraining of prepolymerization catalyst and product powder out of the fluidized bed and nearly completely free from a formation of aggregates, at the time of gas phase polymerization, and giving an olefin polymer having a low content of cold xylene-soluble fraction can be provided.

Abstract translation: 一种用于烯烃或烯烃组合的气相聚合的预聚合催化剂，其包含（A）包含镁，卤素，钛和电子给体的固体催化剂组分，其重均粒径为15至45μm， （B）至少一种有机铝化合物和（C）乙烯和/或至少一种α-烯烃的预聚物，其中预聚合催化剂中铝与钛的摩尔比（Al / Ti比）为3-11（ mol / mol），预聚合催化剂与固体催化剂组分（预聚合催化剂/固体催化剂组分）的重量比为2〜35（g / g），预聚合催化剂中挥发物（VM）的含量为2.0％ 以下，在135℃下在四氢化萘中测定的特性粘度η为2.0dl / g以下，以及其制造方法。根据本发明，提供了一种气相聚合用预聚合催化剂 烯烃聚合物 在气相聚合中具有高活性，在预聚合时不显着形成聚集体和粗颗粒，具有高堆积密度和优异的流动性，不会引起预聚合催化剂和产物粉末明显夹带在流化床之外，几乎 在气相聚合时完全没有聚集体的形成，并且可以提供具有低二甲苯可溶成分含量低的烯烃聚合物。

公开(公告)号：US06184319B2

公开(公告)日：2001-02-06

申请号：US09125520

申请日：1998-12-14

Applicant: Hideki Sato ,  Hiroaki Katayama ,  Kazuki Wakamatsu ,  Hiroyuki Shiraishi

Inventor： Hideki Sato ,  Hiroaki Katayama ,  Kazuki Wakamatsu ,  Hiroyuki Shiraishi

IPC: C08F444

CPC classification number: C07F5/027 ,  B01J21/02 ,  B01J31/14 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/6592 ,  C08F10/00 ,  C08F210/16 ,  C08F2420/02 ,  C08J5/18 ,  C08J2323/02 ,  C08F4/603 ,  C08F4/61908 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/08 ,  C08F210/08 ,  C08F2500/03 ,  C08F2500/02 ,  C08F2500/10

Abstract: An olefin polymer characterized by having (A) a density of from 0.850 to 0.940 g/cm3, (B) a melt flow rate (MFR) of from 0.1 to 200 g/10 minutes, and (C) a relation between the melt flow rate (MFR) and an intrinsic viscosity [&eegr;] measured in tetralin at 135° C. satisfying the range of the following equation (1): −4.04 log [&eegr;]+0.6≦log MFR≦−4.04 log [&eegr;]+0.96  (1) and its a film or sheet, and a method for producing an olefin polymer characterized by homopolymerizing an olefin or copolymerizing two or more olefins, with a catalyst for olefin polymerization, comprising: (A) a transition metal complex represented by the general formula [I] below; (B) at least one aluminum compound selected from (B1) to (B3); and/or (C) at least one boron compound selected from (C1) to (C3), at a temperature of at least 130° C. under a pressure of at least 300 kg/cm2G.

Abstract translation: 一种烯烃聚合物，其特征在于（A）密度为0.850〜0.940g / cm 3，（B）熔体流动速率（MFR）为0.1〜200g / 10分钟，（C）熔体流动 速率（MFR）和在135℃下在四氢化萘中测定的特性粘度η满足下列等式（1）的范围：及其膜或片材，以及烯烃聚合物的制备方法，其特征在于使烯烃均聚 或（A）由下述通式[I]表示的过渡金属配合物;（B）至少一种选自（B1）至（B3）的铝化合物， ; 和/或（C）至少一种选自（C1）至（C3）的硼化合物，在至少130℃的温度下，在至少300kg / cm2G的压力下。

公开(公告)号：US5141994A

公开(公告)日：1992-08-25

申请号：US432443

申请日：1989-11-06

Applicant: Masahiro Kakugo ,  Hajime Sadatoshi ,  Jiro Sakai ,  Kazuki Wakamatsu ,  Kazuhiro Chikaishi ,  Toshiro Kojima ,  Hideo Nomura ,  Tomohisa Fukao

Inventor： Masahiro Kakugo ,  Hajime Sadatoshi ,  Jiro Sakai ,  Kazuki Wakamatsu ,  Kazuhiro Chikaishi ,  Toshiro Kojima ,  Hideo Nomura ,  Tomohisa Fukao

IPC: C08F297/08 ,  C08L23/10 ,  C08L23/14

CPC classification number: C08L23/142 ,  C08F297/08 ,  C08F297/086 ,  C08L23/10 ,  C08L2205/02 ,  C08L2308/00

Abstract: Crystalline polypropylene excellent in rigidity, heat resistance and surface hardness is disclosed, having a ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) (Mw/Mn) of 10 or more, an intrinsic viscosity [.eta.] of from 0.8 to 5.0 dl/g as measured in tetralin at 135.degree. C., a cold xylene-soluble content (CXS) of not more than 4% by weight, a density (d) of 0.910 g/cm.sup.3 or more as measured at 23.degree. C., and a long period (L) (.ANG.) as measured at 25.degree. C. by a small-angle X-ray scattering method satisfying relationship:L.ltoreq.LC=6667d-5894wherein d is a density at 23.degree. C.; and Lc is a value (.ANG.) obrained by equation:Lc=6667d-5894.A crystalline polypropylene composition containing the foregoing crystalline polypropylene, which is excellent in rigidity and heat resistance, is also disclosed.

公开(公告)号：US5115027A

公开(公告)日：1992-05-19

申请号：US710470

申请日：1991-06-05

Applicant: Tadatoshi Ogawa ,  Seiichiro Ima ,  Kazuki Wakamatsu

Inventor： Tadatoshi Ogawa ,  Seiichiro Ima ,  Kazuki Wakamatsu

IPC: B29C55/02 ,  B29K23/00 ,  B29L7/00 ,  C08J5/18 ,  C08K3/00 ,  C08K5/00 ,  C08L23/10 ,  C08L23/18

CPC classification number: C08J5/18 ,  C08K3/0008 ,  C08K5/0008 ,  C08K5/0083 ,  C08J2323/10

Abstract: The polypropylene stretched film of the present invention is prepared by stretching a composition comprising a crystalline propylene polymer and 0.1 ppm by weight to 10% by weight of a nucleating agent, the composition having a melting point of 160.degree. C. or more, a crystallization temperature of 128.degree. C. or more and a 20.degree. C. xylene soluble portion of 3.0% by weight or less. The film has a high rigidity and a beautiful appearance as well as the characteristic properties inherent to crystalline propylene polymers. The film can be suitably used for food packaging and textile packaging.