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1. 发明授权

US5340878A Polypropylene composition and film thereof 失效
标题翻译：聚丙烯组合物及其膜
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。

2. 发明授权

US5654372A Polypropylene composition and the film thereof 失效
标题翻译：聚丙烯组合物及其膜
公开(公告)号：US5654372A
公开(公告)日：1997-08-05
申请号：US611759
申请日：1996-03-08
申请人： Hajime Sadatoshi , Seiichiro Ima , Kazuki Wakamatsu , Jiro Mori , Eisuke Shiratani
发明人： Hajime Sadatoshi , Seiichiro Ima , Kazuki Wakamatsu , Jiro Mori , Eisuke Shiratani
IPC分类号： C08F297/08 , C08L53/00
CPC分类号： C08L53/00 , C08F297/083
摘要： A polypropylene composition comprising a melt-kneaded polyprolylene composition obtained, using Zieglar-Natta catalyst, by polymerizing a monomer comprising propylene to form a polymer comprising polypropylene (component A) in amount of from 60 to 80% by weight to the total polymer amount in substantially the absence of an inert solvent in a 1st step and then polymerizing a mixture of ethylene content of from 20 to 50% by weight (component B) in a vapor phase to form an ethylene-propylene copolymer (component B) in amount of from 20 to 40% by weight to the total polymer amount in a 2nd step, said polypropylene composition being such that the intrinsic viscosity of component B ([.eta.]B) is at least 2.0 dl/g and the ratio ([.eta.]B/[.eta.]A) of the intrinsic viscosity of the component B to the intrinsic viscosity of the component A ([.eta.]A) is 1.8 or less and the melt flow rate of the polypropylene composition after melt-kneaded being 0.5 to 10 g/10 minutes.
摘要翻译：一种聚丙烯组合物，其包含使用齐格列酮 - 纳塔催化剂获得的熔融捏合的聚亚甲基组合物，其通过使包含丙烯的单体聚合以形成聚丙烯（组分A）的聚合物，其量为聚合物总量的60至80重量％基本上在第一步骤中不存在惰性溶剂，然后在气相中聚合乙烯含量为20至50重量％（组分B）的混合物以形成乙烯 - 丙烯共聚物（组分B），其量为在第二步中相对于总聚合物量为20至40重量％，所述聚丙烯组合物使得组分B（ηB）的特性粘度为至少2.0dl / g，并且比率（ηB / 组分B的特性粘度与组分A（ηA）的特性粘度之比为1.8以下，熔融混炼后的聚丙烯组合物的熔体流动速率为0.5〜10g / 10分钟。

3. 发明授权

US06451936B1 Polypropylene random copolymer and film thereof 失效
标题翻译：聚丙烯无规共聚物及其膜
公开(公告)号：US06451936B1
公开(公告)日：2002-09-17
申请号：US08465515
申请日：1995-06-05
申请人： Hajime Sadatoshi , Seiichiro Ima , Kazuki Wakamatsu , Jiro Mori , Eisuke Shiratani
发明人： Hajime Sadatoshi , Seiichiro Ima , Kazuki Wakamatsu , Jiro Mori , Eisuke Shiratani
IPC分类号： C08F458
CPC分类号： C08J5/18 , C08F10/00 , C08F210/06 , C08J2323/10 , C08F4/6465 , C08F210/16 , C08F2500/17 , C08F2500/12 , C08F2500/26 , C08F210/08
摘要： 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).
摘要翻译：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，

4. 发明授权

US5726269A Polypropylene film 失效
标题翻译：聚丙烯膜
公开(公告)号：US5726269A
公开(公告)日：1998-03-10
申请号：US592705
申请日：1996-01-26
申请人： Seiichiro Ima , Eisuke Shiratani , Shigeki Kishiro
发明人： Seiichiro Ima , Eisuke Shiratani , Shigeki Kishiro
IPC分类号： C08F10/00 , C08F10/06 , C08F210/06 , C08J5/18 , C08F110/06
CPC分类号： C08J5/18 , C08F10/06 , C08F210/06 , C08J2323/10
摘要： A film having a low dependency of film transparency on film-forming conditions and film thickness, and having superior transparency and rigidity without compromising the original properties of polypropylene film. The film is produced from a polypropylene prepared from a propylene polymer having (1) a stereoirregularity index mmrr/mmmm of a part insoluble in xylene at 20.degree. C. within the range of 0.0095 to 0.0200; (2) a melting temperature within the range of 145.degree. to 160.degree. C.; (3) a part soluble in xylene at 20.degree. C. of 3.5% by weight or less, the polypropylene having: (4) a melt flow rate at 230.degree. C. within the range of 5 to 15 g/10 min.; and (5) a swelling ratio within the range of 1.20 to 1.35.
摘要翻译：对薄膜透明性对成膜条件和膜厚度的依赖性低的膜，并且具有优异的透明性和刚性而不损害聚丙烯薄膜的原始性能的薄膜。该膜由丙烯聚合物制备，该聚丙烯具有（1）在20℃下不溶于二甲苯的部分的立构不规则指数mmrr / mmmm，范围为0.0095至0.0200; （2）熔融温度在145〜160℃的范围内。（3）在20℃下可溶于二甲苯的部分为3.5重量％以下，聚丙烯具有：（4）在230℃下的熔体流动速率在5〜15g / 10分钟的范围内。和（5）溶胀比在1.20至1.35的范围内。

5. 发明授权

US5641828A Polypropylene compositions and film thereof 失效
标题翻译：聚丙烯组合物及其膜
公开(公告)号：US5641828A
公开(公告)日：1997-06-24
申请号：US528612
申请日：1995-09-15
申请人： Hajime Sadatoshi , Seiichiro Ima , Hiroyuki Tanimura
发明人： Hajime Sadatoshi , Seiichiro Ima , Hiroyuki Tanimura
IPC分类号： B29C47/00 , B29K23/00 , C08J5/18 , C08K3/34 , C08K5/098 , C08K5/134 , C08L23/00 , C08L23/10 , C08K5/09
CPC分类号： C08K5/098 , C08J5/18 , C08K3/34 , C08K5/1345 , C08L23/14 , C08J2323/10 , C08L23/12 , C08L23/20 , C08L2314/02
摘要： A polypropylene composition comprising 100 parts by weight of a crystalline propylene polymer having a molecular weight distribution (Mw/Mn) of less than 5.0 and from 0.0001 to 1.0 part by weight of a crystal nucleating agent, the composition having a crystallization temperature at least 1.5.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重量份的分子量分布（Mw / Mn）小于5.0的结晶丙烯聚合物和0.0001至1.0重量份的晶体成核剂，所述组合物的结晶温度至少为1.5 高于结晶丙烯聚合物的结晶温度。

6. 发明授权

US6057413A Propylene-ethylene random copolymer film 失效
标题翻译：丙烯 - 乙烯无规共聚物膜
公开(公告)号：US6057413A
公开(公告)日：2000-05-02
申请号：US706754
申请日：1996-09-03
申请人： Seiichiro Ima , Kazuki Wakamatsu , Shigeki Kishiro
发明人： Seiichiro Ima , Kazuki Wakamatsu , Shigeki Kishiro
IPC分类号： B29C47/00 , B29K67/00 , B29L7/00 , C08F2/34 , C08F4/60 , C08F4/646 , C08F4/654 , C08F4/658 , C08F10/00 , C08F210/06 , C08F210/16 , C08J5/18 , C08F4/649
CPC分类号： C08J5/18 , C08F10/00 , C08F210/06 , C08F210/16 , C08J2323/14
摘要： A propylene-ethylene random copolymer prepared by copolymerizing propylene with ethylene in the substantial absence of a liquid medium with a catalyst system comprising:(A) a solid catalyst component containing magnesium, titanium, a halogen and a first electron donor as an essential component,(B) an organoaluminum compound and(C) a second electron donor compound, wherein an ethylene content (E) of the copolymer is from 3.5 to 7.0% by weight, and wherein a content of a xylene-soluble portion at 20.degree. C. (D) of the copolymer satisfies the relationship D.ltoreq.E+2.0 (% by weight). Films of the copolymer have an excellent appearance (little bleed whitening) and an excellent balance between low-temperature heat-sealing property and rigidity.
摘要翻译：基本上不存在液体介质的丙烯与乙烯共聚制备的丙烯 - 乙烯无规共聚物，催化剂体系包含：（A）含有镁，钛，卤素和第一电子给体作为必要组分的固体催化剂组分，（B）有机铝化合物和（C）第二电子给体化合物，其中共聚物的乙烯含量（E）为3.5〜7.0重量％，其中二甲苯可溶部分的含量为20℃ （D）满足D

7. 发明授权

US4927872A Polypropylene film 失效
标题翻译：聚丙烯膜
公开(公告)号：US4927872A
公开(公告)日：1990-05-22
申请号：US331759
申请日：1989-04-03
申请人： Masahiro Kakugo , Seiichiro Ima
发明人： Masahiro Kakugo , Seiichiro Ima
IPC分类号： B32B27/32 , C08J5/18 , C08K5/00 , C08K5/20
CPC分类号： C08J5/18 , B32B27/32 , C08K5/0008 , C08K5/20 , C08J2323/10 , Y10T428/2826 , Y10T428/31692 , Y10T428/3175 , Y10T428/31797 , Y10T428/31855 , Y10T428/31895 , Y10T428/31913
摘要： A monolayer polypropylene film obtained by melt extrusion from a composition comprising 100 parts by weight of a crystalline polypropylene and, incorporated therein, a slipping agent {A} having a melting point of 100.degree. to 125.degree. C. and a slipping agent {B} having a melting point of 70.degree. to 90.degree. C. in a total amount of 0.05 to 1.0 part by weight, the initial coefficient of friction of said film being 0.7 or below and the coefficient of friction after heating at 60.degree. C. being 1.0 or below; and a multilayer film composed of said polypropylene film layer having said composition and said characteristics and a substrate material layer.

8. 发明授权

US4769284A Polypropylene multi-layer film 失效
标题翻译：聚丙烯多层膜
公开(公告)号：US4769284A
公开(公告)日：1988-09-06
申请号：US854803
申请日：1986-04-23
申请人： Masahiro Kakugo , Seiichiro Ima , Tatsuya Miyatake , Hiroyuki Harada
发明人： Masahiro Kakugo , Seiichiro Ima , Tatsuya Miyatake , Hiroyuki Harada
IPC分类号： C08L23/00 , B32B27/32 , C08L7/00 , C08L21/00 , C08L23/14 , C08L23/16 , C08L101/00 , B32B27/00
CPC分类号： B32B27/32 , Y10T428/2826 , Y10T428/31913
摘要： A polypropylene multi-layer film which comprises a substrate layer formed of crystalline polypropylene and a composition laminated on at least one side of said substrate layer, said composition comprising 70 to 95% by weight of (A) a crystalline propylene-ethylene copolymer having an ethylene content of 1.5 to 6.0% by weight and/or a crystalline propylene-.alpha.-olefin copolymer having a propylene content of 80 to 98% by weight, a butene-1 content of 2 to 20% by weight, and an ethylene content of 0 to 5% by weight, and 5 to 30% by weight of (B) a crystalline propylene-butene-1 copolymer which is a copolymer obtained by decomposing a crystalline propylene-butene-1 copolymer having a butene-1 content of 25 to 45% by weight, an intrinsic viscosity of 2.5 dl/g or more as determined in tetralin at 135.degree. C., and a proportion of 35% by weight or more of a polymer component soluble in xylene at 20.degree. C., and containing 1.5% by weight or less of a polymer component having a molecular weight calculated in terms of polystyrene of 10,000 or less as determined by GPC.
摘要翻译：一种聚丙烯多层膜，其包含由结晶聚丙烯形成的基材层和层压在所述基材层的至少一侧上的组合物，所述组合物包含70-95重量％的（A）结晶丙烯 - 乙烯共聚物，其具有乙烯含量为1.5〜6.0重量％，和/或丙烯含量为80〜98重量％，丁烯-1含量为2〜20重量％的结晶性丙烯-α-烯烃共聚物，乙烯含量为 0至5重量％，和5至30重量％的（B）结晶丙烯 - 丁烯-1共聚物，其是通过将丁烯-1含量为25的结晶丙烯 - 丁烯-1共聚物分解得到的共聚物， 45重量％，在135℃下在四氢化萘中测定的特性粘度为2.5dl / g以上，在20℃下可溶于二甲苯的聚合物成分的比例为35重量％以上， 1.5重量％以下的具有分子量的聚合物组分以GPC测定的聚苯乙烯换算为10,000以下。

9. 再颁专利

USRE32542E Molded products of polypropylene 失效
标题翻译：聚丙烯成型产品
公开(公告)号：USRE32542E
公开(公告)日：1987-11-10
申请号：US927219
申请日：1986-11-05
申请人： Akinobu Shiga , Kiyoshi Matsuyama , Masahiro Kakugo , Yukio Naito , Seiichiro Ima
发明人： Akinobu Shiga , Kiyoshi Matsuyama , Masahiro Kakugo , Yukio Naito , Seiichiro Ima
IPC分类号： C08F10/06 , C08F110/06 , C08F210/06 , C08L23/10 , C08L23/12
CPC分类号： C08F10/06 , C08J5/18 , C08F110/06 , C08F210/06 , C08J2323/12 , C08L23/10 , Y10T428/31899
摘要： A molded product of polypropylene having an isotactic pentad fraction of the boiling heptane insoluble portion of at least about 0.955 and a boiling heptane solubles content of about 2.0 to 9.0% by weight. The molded products include a stretched film, insulating materials for electrical equipment, etc.

10. 发明授权

US06667375B1 Ethylene-&agr;-olefin copolymer and polyethylene composition 有权
标题翻译：乙烯-α-烯烃共聚物和聚乙烯组合物
公开(公告)号：US06667375B1
公开(公告)日：2003-12-23
申请号：US09649619
申请日：2000-08-29
申请人： Tadahiro Mitsuno , Seiichiro Ima , Hiroyuki Shiraishi
发明人： Tadahiro Mitsuno , Seiichiro Ima , Hiroyuki Shiraishi
IPC分类号： C08F442
CPC分类号： C08F210/16 , C08L23/04 , C08L23/06 , C08L2314/02 , C08F4/6492 , C08F4/6565 , C08L2666/04 , C08F210/08 , C08F2500/12 , C08F2500/20 , C08F2500/14 , C08F2500/26
摘要： An ethylene-&agr;-olefin copolymer obtained by a gas phase polymerization method in the presence of a catalyst, wherein the copolymer satisfies the following conditions (A-1) to (A-4): (A-1) Melt flow rate (MFR): 0.3 to 5.0 g/10 minutes (A-2) Melt flow rate ratio (MFRR): 20 or more (A-3) Density (d): 0.910 to 0.930 g/cm3 (A-4) Coldxylene-soluble portion (CXS)(wt %) is in the range defined by the formula (1): 1.5×10−4×d−125×MFR0.5+0.3≧CXS formula (1).
摘要翻译：通过气相聚合法在催化剂存在下得到的乙烯-α-烯烃共聚物，其中共聚物满足下列条件（A-1）至（A-4）:( A-1）熔体流动速率（MFR ）：0.3〜5.0g / 10分钟（A-2）熔融流动速率比（MFRR）：20以上（A-3）密度（d）：0.910〜0.930g / cm 3（A-4）（CXS）（重量％）在由式（1）定义的范围内：

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