公开(公告)号：US06441081B1

公开(公告)日：2002-08-27

申请号：US09555826

申请日：2000-07-11

申请人： Hajime Sadatoshi ,  Kenichi Ohkawa ,  Susumu Kanzaki ,  Hisayuki Iwai ,  Takao Nomura ,  Shoichi Ichikawa

发明人： Hajime Sadatoshi ,  Kenichi Ohkawa ,  Susumu Kanzaki ,  Hisayuki Iwai ,  Takao Nomura ,  Shoichi Ichikawa

IPC分类号： C08K334

CPC分类号： C08L23/12 ,  C08F297/083 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/16 ,  C08L53/00 ,  C08L2666/04 ,  C08L2666/24 ,  C08L2666/02

摘要： A polypropylene resin composition which comprises: (1) 55 to 75% by weight of (A) a polypropylene resin consisting of a mixture of the following polymers (i) and (ii): (i) a propylene-ethylene block copolymer having a propylene homopolymer part which is the first segment and having a propylene-ethylene random copolymer part which is the second segment and (ii) a propylene homopolymer having an intrinsic viscosity [&eegr;]P of 0.8 to 1.8 dl/g as measured in tetralin at 135° C., (2) 21 to 30% by weight of (B) an ethylene-1-octene copolymer rubber having a melt flow rate (JIS-K-6758 at 190° C.) of 2 to 10 g/10 min and having a 1-octene component content of 20 to 25% by weight, and (3) 5 to 20% by weight of (C) talc having an average particle diameter of not more than 3 &mgr;m, wherein when the amount of the second segment contained in the propylene-ethylene block copolymer of the polypropylene resin (A) is designated as (A)′ and the ethylene-1-octene copolymer rubber content is designated as (B)′, the following expression is satisfied: 0.10≦{(A)′/[(A)′+(B)′]}≦0.30, and when the above composition is subjected to a tensile test according to ASTM D638, it exhibits, an ultimate elongation of at least 400%, and the melt flow rate (JIS-K-6758 at 230° C.) of the composition is at least 30 g/10 min, and an injection-molded article obtained by injection molding the above polypropylene resin composition.

摘要翻译： 一种聚丙烯树脂组合物，其包含：（1）55至75重量％的（A）由以下聚合物（i）和（ii）的混合物组成的聚丙烯树脂：（i）丙烯 - 乙烯嵌段共聚物，其具有 丙烯均聚物部分，其是第一链段并且具有作为第二链段的丙烯 - 乙烯无规共聚物部分和（ii）在135℃下在四氢化萘中测得的特性粘度ηP为0.8至1.8dl / g的丙烯均聚物 （2）熔体流动速率（JIS-K-6758，190℃）的（B）乙烯-1-辛烯共聚物橡胶的21〜30重量％为2〜10g / 10分钟 并且具有20至25重量％的1-辛烯组分含量，和（3）5至20重量％的（C）平均粒径不大于3μm的滑石，其中当第二 包含在聚丙烯树脂（A）的丙烯 - 乙烯嵌段共聚物中的链段被称为（A）'，乙烯-1-辛烯共聚物橡胶含量指定为（B）'， 满足以下表达式：当根据ASTM D638对上述组合物进行拉伸试验时，其表现出至少400％的极限伸长率和熔体流动速率（JIS-K-6758在230℃） ）为30g / 10分钟以上，注射成型上述聚丙烯树脂组合物得到的注射成型体。

公开(公告)号：US5914363A

公开(公告)日：1999-06-22

申请号：US637280

申请日：1996-04-24

申请人： Hajime Sadatoshi ,  Kenichi Ohkawa ,  Teruhiko Doi ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

发明人： Hajime Sadatoshi ,  Kenichi Ohkawa ,  Teruhiko Doi ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

IPC分类号： B29C45/00 ,  B29K23/00 ,  B29K96/04 ,  B29L31/58 ,  B60R13/02 ,  C08K3/34 ,  C08L21/00 ,  C08L23/00 ,  C08L23/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L25/00 ,  C08L53/00 ,  C08L53/02 ,  C08K3/22 ,  C08L51/04

CPC分类号： C08L23/12 ,  C08K3/34 ,  C08L23/10 ,  C08L53/00 ,  C08L2205/03 ,  C08L2205/035 ,  C08L23/0815 ,  C08L23/16 ,  C08L53/02

摘要： A thermoplastic resin composition which has a melt flow rate of 25 to 30 g/10 min and a flexural modulus at 23.degree. C. of 20,000 kg/cm.sup.2 or more and which comprises (1) 78 to 87% by weight of a specific crystalline polypropylene �referred to hereinafter as (A)! in which the propylene homopolymer portion has a Q value of 3.0 to 5.0, an isotactic pentad fraction of 0.975 or more and an intrinsic viscosity �.eta.! of 1.00 to 1.10 dl/g as measured at 135.degree. C. in tetralin, (2) 3 to 10% by weight of at least two specific rubber components selected from the group consisting of (B) 1 to 9% by weight of an ethylene-butene-1 copolymer rubber, (C) 1 to 9% by weight of an ethylene-propylene copolymer rubber and (D) 1 to 9% by weight of an alkenyl aromatic compound-containing rubber; and (3) 10 to 12% by weight of talc having an average particle diameter of 4 .mu.m or less, and an injection molded article of the thermoplastic resin composition, said thermoplastic resin composition satisfying the impact strength and rigidity required as a material for an interior automotive trim and having a short molding cycle and good surface quality.

摘要翻译： 一种热塑性树脂组合物，其熔体流动速率为25至30g / 10min，在23℃下的弯曲模量为20,000kg / cm 2或更高，并且其包含（1）78至87重量％的特定结晶 聚丙烯[以下称为（A）]，其中丙烯均聚物部分的Q值为3.0〜5.0，全同立构五单元组分数为0.975以上，特性粘度η为1.00〜1.10dl / g， （2）3至10重量％的至少两种选自（B）1至9重量％的乙烯 - 丁烯-1共聚物橡胶的特定橡胶组分（C ）1〜9重量％的乙烯 - 丙烯共聚物橡胶和（D）1〜9重量％的含烯基芳香族化合物的橡胶; 和（3）10〜12重量％的平均粒径为4μm以下的滑石，以及热塑性树脂组合物的注射成型品，所述热塑性树脂组合物满足作为材料的材料所需的冲击强度和刚性 内部汽车装饰件，具有短的成型周期和良好的表面质量。

公开(公告)号：US5723527A

公开(公告)日：1998-03-03

申请号：US637279

申请日：1996-04-24

申请人： Hajime Sadatoshi ,  Kenichi Ohkawa ,  Teruhiko Doi ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

发明人： Hajime Sadatoshi ,  Kenichi Ohkawa ,  Teruhiko Doi ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

IPC分类号： B29C45/00 ,  B29K23/00 ,  B29K96/04 ,  C08J5/00 ,  C08K3/30 ,  C08K3/32 ,  C08K3/34 ,  C08K7/00 ,  C08K7/04 ,  C08L23/00 ,  C08L23/12 ,  C08L53/00

CPC分类号： C08L53/00

摘要： A thermoplastic resin composition which has a melt flow rate of 20 to 30 g/10 min and a flexural modulus at 23.degree. C. of 30,000 kg/cm.sup.2 or more and which comprises (A) 60 to 75% by weight of a specific crystalline polypropylene in which the propylene homopolymer portion has a Q value of 3.0 to 5.0, an isotactic pentad fraction of 0.975 or more and an intrinsic viscosity �.eta.! of 0.95 to 1.15 dl/g as measured at 135.degree. C. in tetralin, (B) 2 to 8% by weight of an ethylene-butene-1 copolymer rubber, (C) 2 to 8% by weight of an ethylene-propylene copolymer rubber, (D) 10 to 20% by weight of talc having an average particle diameter of 4 .mu.m or less, and (E) 5 to 20% by weight of fibrous magnesium oxysulfate, and an injection molded article of the thermoplastic resin composition, said thermoplastic resin composition satisfying the impact strength and rigidity required as a material for an instrumental panel and having a short molding cycle and good surface quality.

摘要翻译： 一种热塑性树脂组合物，其熔体流动速率为20至30g / 10min，在23℃下的弯曲模量为30,000kg / cm 2或更高，并且其包含（A）60至75重量％的特定结晶 其中丙烯均聚物部分的Q值为3.0-5.0，全同立构五单元组分数为0.975以上，特性粘度η为0.95-1.15dl / g，在135℃下在四氢化萘中测定，（B ）2〜8重量％的乙烯 - 丁烯-1共聚物橡胶，（C）2-8重量％的乙烯 - 丙烯共聚物橡胶，（D）10〜20重量％的平均粒径 （E）5〜20重量％的纤维状氧硫酸镁，以及热塑性树脂组合物的注塑制品，所述热塑性树脂组合物满足作为器具材料所需的冲击强度和刚性 具有短的成型周期和良好的表面质量。

公开(公告)号：US5852100A

公开(公告)日：1998-12-22

申请号：US636220

申请日：1996-04-23

申请人： Hajime Sadatoshi ,  Haruyuki Suzuki ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

发明人： Hajime Sadatoshi ,  Haruyuki Suzuki ,  Yuichi Miyake ,  Takao Nomura ,  Takeyoshi Nishio

IPC分类号： C08K3/00 ,  C08L23/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L53/00

CPC分类号： C08L23/12 ,  C08K3/0033 ,  C08L23/16 ,  C08L53/00 ,  C08L2205/02 ,  C08L2205/035 ,  C08L2205/22 ,  C08L23/0815 ,  C08L2310/00 ,  C08L2312/00

摘要： A thermoplastic resin composition with improved low-temperature impact strength and rigidity against heat, comprising (I) 10-40% by weight of a mixture of (a) 10-50% by weight of a propylene homopolymer and/or an ethylene-propylene block copolymer (an isotactic pentad fraction of a propylene homopolymer portion being 0.98 or above) and (b) 50-90% by weight of an olefin-based copolymer rubber, said mixture having been dynamically heat treated in the presence of an organic peroxide and a crosslinking agent, (II) 20-85% by weight of a propylene homopolymer and/or an ethylene-propylene block copolymer (an isotactic pentad fraction of a propylene homopolymer portion being 0.98 or above and a melt index of the propylene homopolymer portion being 30-150 g/10 min), and (III) 5-40% by weight of an inorganic filler.

摘要翻译： 具有改进的低温冲击强度和抗热刚性的热塑性树脂组合物，包含（I）10-40重量％的（a）10-50重量％的丙烯均聚物和/或乙烯 - 丙烯的混合物 嵌段共聚物（丙烯均聚物部分的全同立构五单元组分数为0.98以上）和（b）50-90重量％的烯烃系共聚物橡胶，所述混合物在有机过氧化物的存在下动态热处理， 交联剂（II）20-85重量％的丙烯均聚物和/或乙烯 - 丙烯嵌段共聚物（丙烯均聚物部分的全同立构五单元组分数为0.98或更高，丙烯均聚物部分的熔体指数为 30-150g / 10min）和（III）5-40重量％的无机填料。

公开(公告)号：US5830968A

公开(公告)日：1998-11-03

申请号：US802411

申请日：1997-02-18

申请人： Hajime Sadatoshi ,  Makoto Satoh ,  Naofumi Naga

发明人： Hajime Sadatoshi ,  Makoto Satoh ,  Naofumi Naga

IPC分类号： B32B27/32 ,  C08F210/06 ,  C08J5/18 ,  C08L23/14 ,  B32B27/08

CPC分类号： C08J5/18 ,  B32B27/32 ,  C08F210/06 ,  C08L23/142 ,  C08J2323/10 ,  C08J2323/14 ,  Y10S526/943 ,  Y10T428/31913 ,  Y10T428/31938

摘要： A propylene random copolymer and a film laminate thereof is described having excellent blocking resistance and transparency and substantially maintaining favorable low-temperature heat-sealing properties after corona discharge treatment. The propylene random copolymer of the invention includes a propylene component and an .alpha.-olefin component having 4 to 10 carbon atoms, wherein the content of the .alpha.-olefin component is in the range of about 6% to about 40% by weight, the intrinsic viscosity �.eta.! measured in tetralin at 135.degree. C. is not lower than about 0.45 dl/g and not higher than about 5.0 dl/g, and the melting point (Tm) measured by a differential scanning calorimeter and the content of 20.degree. C. xylene soluble fraction (CSX) fulfill a relationship of Tm.ltoreq.140-35.693 log.sub.10 (CXS).

摘要翻译： 描述了丙烯无规共聚物及其膜层压体，其具有优异的耐粘连性和透明性，并且在电晕放电处理后基本上保持了有利的低温热封性能。 本发明的丙烯无规共聚物包括丙烯组分和具有4-10个碳原子的α-烯烃组分，其中α-烯烃组分的含量在约6重量％至约40重量％的范围内，本征的 在135℃下在四氢化萘中测定的粘度η不低于约0.45dl / g且不高于约5.0dl / g，通过差示扫描量热计测量的熔点（Tm）和20℃ C.二甲苯可溶性馏分（CSX）达到Tm <140-35.693log10（CXS）的关系。

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：US5639537A

公开(公告)日：1997-06-17

申请号：US572490

申请日：1995-12-14

申请人： Takeshi Ebara ,  Hiroyuki Tanimura ,  Hajime Sadatoshi ,  Kazuhiro Yamazaki ,  Taiji Yamada ,  Tuyoshi Hashimoto

发明人： Takeshi Ebara ,  Hiroyuki Tanimura ,  Hajime Sadatoshi ,  Kazuhiro Yamazaki ,  Taiji Yamada ,  Tuyoshi Hashimoto

IPC分类号： C08J3/24 ,  B29C55/02 ,  B29K23/00 ,  B29L7/00 ,  C08J5/18 ,  C08L23/00 ,  C08L23/10 ,  C08L23/12 ,  C08L25/00 ,  C08L25/14 ,  C08L25/08

CPC分类号： C08J5/18 ,  C08L23/12 ,  C08J2323/10 ,  C08L2201/04 ,  C08L2205/22 ,  C08L2312/00 ,  C08L25/14 ,  C08L2555/40 ,  Y10T428/24405

摘要： A polypropylene resin composition for oriented film excellent in transparency, slip property and blocking resistance which comprises the following components (a) and (b), and an oriented film obtained by orienting the composition at least in uniaxial direction:(a) 100 parts by weight of a crystalline polypropylene resin, and(b) 0.05 or more but less than 1 part by weight of crosslinked polymer beads which have a weight average particle diameter of 0.5-5 .mu.m, comprise 60-96% by weight of styrenic monomer units, 2-38% by weight of radical-polymerizable monomer units, the refractive index of the polymer of the radical-polymerizable monomer being 1.50 or less, and 2-50% by weight of crosslinkable monomer units, and give an average protuberance height of 60-600 nm on the surface of oriented film obtained by kneading the crosslinked polymer beads into the polypropylene resin followed by working up into oriented film.

摘要翻译： 包含以下组分（a）和（b）的透明性，滑爽性和抗粘连性优异的取向膜用聚丙烯树脂组合物，以及至少在单轴方向取向组合物得到的取向膜：（a）100份 结晶聚丙烯树脂的重量，和（b）0.05重量份以上但小于1重量份的重均粒径为0.5-5μm的交联聚合物珠粒，包含60-96重量％的苯乙烯单体单元 ，2-38重量％的可自由基聚合的单体单元，可自由基聚合单体的折射率为1.50以下，以及2-50重量％的可交联单体单元，得到平均突起高度 通过将交联的聚合物珠粒捏合成聚丙烯树脂而获得的取向膜表面上的60-600nm，然后处理成取向膜。

公开(公告)号：US06214952B1

公开(公告)日：2001-04-10

申请号：US09038056

申请日：1998-03-11

申请人： Hajime Sadatoshi ,  Makoto Satoh ,  Naofumi Naga

发明人： Hajime Sadatoshi ,  Makoto Satoh ,  Naofumi Naga

IPC分类号： C08F1006

CPC分类号： B32B27/32 ,  B32B27/08 ,  B32B2307/704 ,  B32B2307/718 ,  B32B2323/10 ,  C08F210/06 ,  C08J5/18 ,  C08J2323/10 ,  C08J2323/14 ,  C08L23/142 ,  Y10S526/943 ,  Y10T428/31913 ,  Y10T428/31938 ,  C08F210/08 ,  C08F2500/17 ,  C08F2500/26 ,  C08F2500/12 ,  C08F2500/08

摘要： A propylene random copolymer and a film laminate thereof is described having excellent blocking resistance and transparency and substantially maintaining favorable low-temperature heat-sealing properties after corona discharge treatment. The propylene random copolymer of the invention includes a propylene component and an &agr;-olefin component having 4 to 10 carbon atoms, wherein the content of the &agr;-olefin component is in the range of about 6% to about 40% by weight, the intrinsic viscosity [&eegr;] measured in tetralin at 135° C. is not lower than about 0.45 dl/g and not higher than about 5.0 dl/g, and the melting point (Tm) measured by a differential scanning calorimeter and the content of 20° C. xylene soluble fraction (CSX) fulfill a relationship of Tm≦140−35.693 log10(CXS).

摘要翻译： 描述了丙烯无规共聚物及其膜层压体，其具有优异的耐粘连性和透明性，并且在电晕放电处理后基本上保持了有利的低温热封性能。 本发明的丙烯无规共聚物包括丙烯组分和具有4至10个碳原子的α-烯烃组分，其中α-烯烃组分的含量在约6重量％至约40重量％的范围内， 在135℃下在四氢化萘中测定的粘度η不低于约0.45dl / g且不高于约5.0dl / g，通过差示扫描量热计测量的熔点（Tm）和20℃的含量 C.二甲苯可溶性馏分（CSX）达成关系

公开(公告)号：US6087443A

公开(公告)日：2000-07-11

申请号：US638754

申请日：1996-04-29

申请人： Hajime Sadatoshi ,  Haruyuki Suzuki

发明人： Hajime Sadatoshi ,  Haruyuki Suzuki

IPC分类号： C08K5/14 ,  C08L23/00 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L23/26 ,  C08L53/00 ,  C08F297/08

CPC分类号： C08L23/12 ,  C08L23/16 ,  C08L53/00 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2205/22 ,  C08L2312/00

摘要： A thermoplastic resin composition including at least (1) a heat-treated composition obtained by heat-treating dynamically a specific polypropylene and an olefin copolymer rubber in the presence of an organic peroxide and a crosslinking agent and (2) a specified polypropylene. In addition, an inorganic filler can be added to the thermoplastic resin composition. These compositions are superior in mechanical properties such as flexural modulus, thermal rigidity resistance and impact resistance, and can be suitably used as materials for home electric parts and the like.

摘要翻译： 一种热塑性树脂组合物，其至少包含（1）通过在有机过氧化物和交联剂的存在下动态地热处理特定聚丙烯和烯烃共聚物橡胶得到的热处理组合物和（2）特定的聚丙烯。 此外，可以向热塑性树脂组合物中加入无机填料。 这些组合物的机械性能如弯曲模量，耐热刚性和抗冲击性都优异，并且可以适合用作家用电器部件等的材料。

公开(公告)号：US5340878A

公开(公告)日：1994-08-23

申请号：US79558

申请日：1993-06-22

申请人： Hajime Sadatoshi ,  Seiichiro Ima ,  Eisuke Shiratani

发明人： Hajime Sadatoshi ,  Seiichiro Ima ,  Eisuke Shiratani

IPC分类号： C08J5/18 ,  C08L23/00 ,  C08L23/06 ,  C08L23/10 ,  C08L23/14 ,  C08L23/04

CPC分类号： C08L23/10 ,  C08L23/142 ,  C08L23/06

摘要： A polypropylene composition comprising 100 parts by weight of a crystalline propylene polymer having a melt flow rate of at least 3.0 g/10 minutes and a molecular weight distribution of less than 5.0 and from 0.01 to less than 4.0 parts by weight of a crystalline ethylene polymer having a melt flow rate of from 0.5 to 300 g/10 minutes, a density of at least 0.910 g/cm.sup.3, and a crystallization temperature of at least 85.degree. C. and which is at least 1.degree. C. higher than the crystallization temperature of the crystalline propylene polymer.

摘要翻译： 一种聚丙烯组合物，其包含100重量份的熔体流动速率为至少3.0g / 10分钟，分子量分布小于5.0和0.01至小于4.0重量份结晶乙烯聚合物的结晶丙烯聚合物 熔体流动速率为0.5-300g / 10分钟，密度至少为0.910g / cm3，结晶温度至少为85℃，比结晶温度高至少1℃ 的结晶丙烯聚合物。