公开(公告)号：US06777497B2

公开(公告)日：2004-08-17

申请号：US10087810

申请日：2002-03-05

申请人： Susumu Kanzaki ,  Mitsuji Tsuji ,  Kazuki Wakamatsu

发明人： Susumu Kanzaki ,  Mitsuji Tsuji ,  Kazuki Wakamatsu

IPC分类号： C08L2300

CPC分类号： C08L23/10 ,  C08L53/00 ,  C08L2205/02 ,  C08L2310/00 ,  C08L2666/04

摘要： 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.

摘要翻译： 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

申请人： Tomoaki Goto ,  Kazuki Wakamatsu ,  Shinichi Kumamoto

发明人： Tomoaki Goto ,  Kazuki Wakamatsu ,  Shinichi Kumamoto

IPC分类号： B01J3100

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

摘要： 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.

摘要翻译： 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

申请人： Hideki Sato ,  Hiroaki Katayama ,  Kazuki Wakamatsu ,  Hiroyuki Shiraishi

发明人： Hideki Sato ,  Hiroaki Katayama ,  Kazuki Wakamatsu ,  Hiroyuki Shiraishi

IPC分类号： C08F444

CPC分类号： 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

摘要： 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.

摘要翻译： 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：US6127303A

公开(公告)日：2000-10-03

申请号：US901165

申请日：1997-07-28

申请人： Takeshi Ebara ,  Koji Mizunuma ,  Toshio Sasaki ,  Kazuki Wakamatsu ,  Junichi Kimura ,  Yoichi Obata

发明人： Takeshi Ebara ,  Koji Mizunuma ,  Toshio Sasaki ,  Kazuki Wakamatsu ,  Junichi Kimura ,  Yoichi Obata

IPC分类号： C08F4/16 ,  C08F4/645 ,  C08F4/646 ,  C08F4/658 ,  C08F10/06 ,  C08F110/06 ,  B01J31/00

CPC分类号： C08F110/06 ,  C08F4/6465 ,  C08F10/06

摘要： A catalyst system for polymerizing olefins is obtainable from (A) a solid component containing (A) magnesium, titanium and halogen and an electron donative compound which is an ether or ester; (B) an organoaluminum compound, and (C) at least two electron donative compounds, including an (.alpha.) and (.beta.) compound, wherein the total amount (C) compounds is 0.01 to 1 mole per mole of (B).

摘要翻译： 用于聚合烯烃的催化剂体系可从（A）含有（A）镁，钛和卤素的固体组分和作为醚或酯的给电子化合物获得; （B）有机铝化合物，和（C）至少两种给电子化合物，包括（α）和（β）化合物，其中总量（C）化合物为0.01至1摩尔/摩尔（B）。

公开(公告)号：US5141994A

公开(公告)日：1992-08-25

申请号：US432443

申请日：1989-11-06

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

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

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

CPC分类号： C08L23/142 ,  C08F297/08 ,  C08F297/086 ,  C08L23/10 ,  C08L2205/02 ,  C08L2308/00

摘要： 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

申请人： Tadatoshi Ogawa ,  Seiichiro Ima ,  Kazuki Wakamatsu

发明人： Tadatoshi Ogawa ,  Seiichiro Ima ,  Kazuki Wakamatsu

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

CPC分类号： C08J5/18 ,  C08K3/0008 ,  C08K5/0008 ,  C08K5/0083 ,  C08J2323/10

摘要： 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.

公开(公告)号：US5032645A

公开(公告)日：1991-07-16

申请号：US433124

申请日：1989-11-08

申请人： Tadatoshi Ogawa ,  Seiichiro Ima ,  Kazuki Wakamatsu

发明人： Tadatoshi Ogawa ,  Seiichiro Ima ,  Kazuki Wakamatsu

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

CPC分类号： C08J5/18 ,  C08J2323/10 ,  C08K3/01 ,  C08K5/0008 ,  C08K5/0083 ,  C08L23/10

摘要： 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.

公开(公告)号：US20050154131A1

公开(公告)日：2005-07-14

申请号：US10988520

申请日：2004-11-16

申请人： Susumu Kanzaki ,  Kazuki Wakamatsu

发明人： Susumu Kanzaki ,  Kazuki Wakamatsu

IPC分类号： B29C45/00 ,  C08F2/00 ,  C08F2/01 ,  C08F2/34 ,  C08F4/654 ,  C08F10/00 ,  C08F10/06 ,  C08F210/02 ,  C08F210/06 ,  C08J5/00 ,  C08L23/14 ,  C08L23/16 ,  C08L53/00

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

摘要： 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.

摘要翻译： 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：US06573332B2

公开(公告)日：2003-06-03

申请号：US09938501

申请日：2001-08-27

申请人： Takanori Kume ,  Shigeki Kishiro ,  Kazuki Wakamatsu

发明人： Takanori Kume ,  Shigeki Kishiro ,  Kazuki Wakamatsu

IPC分类号： C08F1000

CPC分类号： C08L23/14 ,  C08L2205/02 ,  C08L2308/00 ,  Y10T428/31855 ,  Y10T428/31909 ,  C08L2666/04

摘要： A propylene-based copolymer obtained by copolymerizing propylene with ethylene and/or an &agr;-olefins having 4 or more carbon atoms in the presence of a polymerization catalyst in a first step to produce a copolymer having a content of the &agr;-olefins of 1 mol % or more and less than 15 mol % and an ethylene content of 5 mol % or less in amount of 1 to 30% by weight as a copolymer component (A), and subsequently copolymerizing propylene with ethylene and/or an &agr;-olefins having 4 or more carbon atoms in a second step or later steps to produce a copolymer having a content of the &agr;-olefins of 15 to 30 mol % and an ethylene content of 5 mol % or less in amount of 70 to 99% by weight as a copolymer component (B).

公开(公告)号：US6117946A

公开(公告)日：2000-09-12

申请号：US123576

申请日：1998-07-28

申请人： Takanori Kume ,  Eisuke Shiratani ,  Kazuki Wakamatsu

发明人： Takanori Kume ,  Eisuke Shiratani ,  Kazuki Wakamatsu

IPC分类号： C08F297/06 ,  C08F297/08 ,  C08L23/16

CPC分类号： C08F297/08 ,  C08F297/06

摘要： A propylene block copolymer having a specified composition and consisting of a xylene soluble portion at 20.degree. C. in an amount of 5 wt % or more and a portion excluding the CXS portion, the melting temperature of the CXIS portion measured by a differential scanning caloriemeter being 130 to 155.degree. C., wherein the difference in transparency in terms of haze between prior to and posterior to the 1-hour treatment at 110.degree. C of a 150 .mu.m thick film obtained by forming said copolymer into a film by extrusion is 8% or less.According to the present invention, a block copolymer having a good transparency and improved impact resistance at a low temperature, and further exhibiting less bleeding at high-temperature heat treatment, can be provided.

摘要翻译： 具有特定组成的丙烯嵌段共聚物，其组成为20℃下的二甲苯可溶部分，其量为5重量％以上，除了CXS部分以外的部分，通过差示扫描温度计测量的CXIS部分的熔融温度 为130〜155℃，其中通过将所述共聚物通过挤出形成所述共聚物获得的150μm厚的薄膜在110℃下1小时处理之前和之后的浊度方面的透明度差异是 8％以下。 根据本发明，可以提供在低温下具有良好的透明性和改善的耐冲击性的嵌段共聚物，并且在高温热处理中进一步显示较少的渗色。