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11. 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

12. 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。

13. 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。

14. 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。

15. 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：

16. 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。

17. 发明授权

US4433110A Process for producing propylene block copolymers 失效
标题翻译：制备丙烯嵌段共聚物的方法
公开(公告)号：US4433110A
公开(公告)日：1984-02-21
申请号：US255005
申请日：1981-04-17
申请人： Kazuo Baba , Shyozo Kawamata , Yoshiharu Fukui , Seiichiro Ima , Tatsuya Miyatake
发明人： Kazuo Baba , Shyozo Kawamata , Yoshiharu Fukui , Seiichiro Ima , Tatsuya Miyatake
IPC分类号： C08F297/08
CPC分类号： C08F297/08 , Y10S526/916
摘要： A propylene block copolymer produced by polymerizing propylene, ethylene and an .alpha.-olefin having 4 to 8 carbon atoms in two stages with a Zieglar-Natta catalyst by a process which comprises (A) supplying propylene and ethylene in the first stage and propylene and the .alpha.-olefin in the second stage, or (B) supplying propylene and the .alpha.-olefin in the first stage and propylene and ethylene in the second stage, to the polymerization system, wherein the amounts of propylene and ethylene supplied in the first stage of (A) or in the second stage of (B) are 90 to 99 wt % and 10 to 1 wt % based on the total amount of propylene and ethylene supplied in the first stage of (A) or in the second stage of (B), respectively, the amounts of propylene and the .alpha.-olefin supplied in the second stage of (A) or in the first stage of (B) are 60 to 98 wt % and 40 to 2 wt % based on the total amount of propylene and the .alpha.-olefin supplied in the second stage of (A) or in the first stage of (B), respectively, and the amounts of copolymers formed in the first and second stages are 20 to 90 wt % and 80 to 10 wt % based on the final block copolymer, respectively.
摘要翻译：通过包括（A）在第一阶段中供应丙烯和乙烯的方法，用齐格列 - 纳塔催化剂将丙烯，乙烯和具有4至8个碳原子的碳原子的α-烯烃分两步制备的丙烯嵌段共聚物，其中丙烯和第二阶段中的α-烯烃或（B）将第一阶段中的丙烯和α-烯烃和第二阶段中的丙烯和乙烯供应到聚合体系中，其中在第一阶段中供应的丙烯和乙烯的量（A）或（B）的第二阶段中（A）或（B）的第二阶段中的丙烯和乙烯的总量为90〜99重量％，10〜1重量％）在（A）或第（B）的第一阶段中供应的丙烯和α-烯烃的量分别为基于丙烯总量的60至98重量％和40至2重量％和在（A）或第一阶段的第二阶段中提供的α-烯烃（B），第一和第二阶段中形成的共聚物的量分别为最终嵌段共聚物的20〜90重量％和80〜10重量％。

18. 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，

19. 发明授权

US5019442A Overlay films 失效
标题翻译：叠加电影
公开(公告)号：US5019442A
公开(公告)日：1991-05-28
申请号：US385079
申请日：1989-07-25
申请人： Tadatoshi Ogawa , Seiichiro Ima
发明人： Tadatoshi Ogawa , Seiichiro Ima
IPC分类号： B32B15/08 , B32B15/085 , B32B27/32 , C08L23/00 , C08L23/02 , C08L23/08 , C08L23/12 , C08L23/14 , C08L29/00 , C09D123/08 , C09D123/12 , C23C14/20
CPC分类号： C23C14/20 , B32B27/32 , C08L23/0869 , C08L23/0884 , C09D123/0869 , C09D123/0884 , C08L23/12 , C08L23/14 , Y10T428/24967 , Y10T428/31692 , Y10T428/31797 , Y10T428/31913 , Y10T428/3192
摘要： The overlay film of the invention is obtained by forming a substrate layer composed of a resin composition comprising an ethylene copolymer such as ethylene-methacrylic acid ester copolymer and the like and a crystalline polyolefin having a melting point of 110.degree. C. or higher on at least one side of the base layer composed of a crystalline polyolefin and the like by any method such as co-extrusion-laminating and the like followed by cooling. The overlay film is excellent in physical properties such as the anti-blocking property and the like and gives a metal-deposited film with brilliant appearance exhibiting high adhesive strength to the metal layer by vapor-deposition treatment. The metal-deposited film is serviceable for extensive uses including wrapping materials.

20. 发明授权

US5115027A Polypropylene stretched film 失效
标题翻译：聚丙烯拉伸薄膜
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.

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