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1. 发明授权

US4499247A High-rigidity, high-melt-viscoelasticity polypropylene and process for producing the same 失效
标题翻译：高刚性，高熔点粘弹性聚丙烯及其制造方法
公开(公告)号：US4499247A
公开(公告)日：1985-02-12
申请号：US501893
申请日：1983-06-07
申请人： Hiromasa Chiba , Kenjiro Obama , Shunji Kawazoe , Takahiro Oka , Akihiro Satoh
发明人： Hiromasa Chiba , Kenjiro Obama , Shunji Kawazoe , Takahiro Oka , Akihiro Satoh
IPC分类号： C08F2/00 , C08F2/04 , C08F4/00 , C08F4/60 , C08F4/64 , C08F8/00 , C08F10/00 , C08F10/06 , C08F110/06
CPC分类号： C08F10/06 , Y10S526/905
摘要： A superior high-rigidity and high-melt-viscoelasticity polypropylene for sheets to be post-processed and for blow molding is provided which polypropylene is produced by subjecting propylene to a multi-stage polymerization into polymer portions of two sections in the presence of a specified Ziegler Natta catalyst, the relationship between the intrinsic viscosities of the polymer portions of the respective sections being regulated within a specified range and also the amount ratio of the polymer portions of the respective sections being regulated.
摘要翻译：提供了用于后处理和吹塑的片材的优异的高刚性和高熔点粘弹性聚丙烯，其通过在规定的存在下将丙烯进行多段聚合成两段聚合物部分来制备聚丙烯齐格勒纳塔催化剂，将各部分的聚合物部分的特性粘度之间的关系调节在规定范围内，并且调节各部分的聚合物部分的量比。

2. 发明授权

US06201069B1 Polypropylene/propylene-ethylene copolymer composition and process for the preparation thereof 失效
标题翻译：聚丙烯/丙烯 - 乙烯共聚物组合物及其制备方法
公开(公告)号：US06201069B1
公开(公告)日：2001-03-13
申请号：US09297323
申请日：1999-04-29
申请人： Tooru Fukazawa , Yozo Shimomura , Shunji Kawazoe
发明人： Tooru Fukazawa , Yozo Shimomura , Shunji Kawazoe
IPC分类号： C08F800
CPC分类号： C08L23/12 , C08F297/086 , C08L23/04 , C08L23/10 , C08L23/16 , C08L53/00 , C08L2666/04
摘要： An object of this invention is to provide a polypropylene/propylene-ethylene copolymer composition having an excellent balance among rigidity, toughness, impact resistance, etc. This invention provides a polypropylene/propylene-ethylene copolymer composition having a melt flow rate of from 1 to 80 g/10 min obtained by producing a specific propylene polymer in an amount of from 60 to 95% by weight based on the total amount of the composition to be finally obtained and subsequently producing in a second stage (polymerization step (II)) a specific propylene-ethylene copolymer in an amount of from 5 to 40% by weight based on the total amount of the composition to be finally obtained. A process for producing the composition is also provided.
摘要翻译：本发明的目的是提供一种在刚性，韧性，耐冲击性等方面具有优异平衡性的聚丙烯/丙烯 - 乙烯共聚物组合物。本发明提供一种聚丙烯/丙烯 - 乙烯共聚物组合物，其熔体流动速率为1〜相对于最终得到的组合物的总量，随后在第二阶段（聚合步骤（II））中生产，通过制备60至95重量％的特定丙烯聚合物得到80g / 10分钟相对于最终获得的组合物的总量，5-40重量％的丙烯 - 乙烯共聚物。还提供了制备该组合物的方法。

3. 发明授权

US4970280A Continuous process for producing high molten viscoelastic polypropylene or ethylene-propylene copolymer 失效
标题翻译：用于生产高熔融粘弹性聚丙烯或乙烯 - 丙烯共聚物的连续方法
公开(公告)号：US4970280A
公开(公告)日：1990-11-13
申请号：US165508
申请日：1988-03-08
申请人： Hiromasa Chiba , Takahiro Oka , Shunji Kawazoe
发明人： Hiromasa Chiba , Takahiro Oka , Shunji Kawazoe
IPC分类号： C08F2/00 , C08F2/14 , C08F10/06 , C08F297/08
CPC分类号： C08F10/06 , C08F297/083 , Y10S526/905
摘要： Continuous processes for producing high melting and viscoelasting polypropylene or ethylene-propylene copolymer are provided.These processes are characterized by (1) using two or more polymerizers connected in series, (2) supplying the whole amount of a catalyst and a molecular weight regulator (hydrogen) in the first tank and (3) a degasification amount of each tank in the second and subsequent tanks being 0.5 to 10 V.sub.1 /Hr (wherein V.sub.1 is a volume of the tank) calculated at 0.degree. C., and 0 Kg/cm.sup.2 G. In the process for producing the copolymer, (4) monomers having an ethylene content of 5 wt % or less are supplied in the first step. According to the processes of the present invention, polymers having a broad molecular weight distribution and good fluidity upon extrusion molding can be obtained and operational control in production is simply made.

4. 发明授权

US06710130B2 Propylene polymer composition and its foam moldings 失效
标题翻译：丙烯聚合物组合物及其泡沫塑料制品
公开(公告)号：US06710130B2
公开(公告)日：2004-03-23
申请号：US10108423
申请日：2002-03-29
申请人： Akira Yamauchi , Yoshitaka Kobayashi , Tadamitu Hamasaki , Shunji Kawazoe , Jun Shinozaki , Hiroyuki Maehara
发明人： Akira Yamauchi , Yoshitaka Kobayashi , Tadamitu Hamasaki , Shunji Kawazoe , Jun Shinozaki , Hiroyuki Maehara
IPC分类号： C08J916
CPC分类号： C08J9/14 , C08J2323/10 , C08L23/0815 , C08L23/10 , C08L2203/14 , C08L2308/00 , C08L2666/04
摘要： A propylene polymer composition of high melt tension, which is especially favorable for foam moldings of uniform thickness, and foam moldings thereof having a uniform thickness, are obtained by melt-kneading a polymer mixture of a specific ethylene polymer (A) and a specific olefin multi-stage polymer (B) to satisfy the following formula: Log(MS)>0.91−0.23×Log(MFR(T))
摘要翻译：通过熔融捏合特定乙烯聚合物（A）和特定烯烃的聚合物混合物，获得具有均匀厚度的特别有利于具有均匀厚度的泡沫塑料模制品的高熔体张力的丙烯聚合物组合物和具有均匀厚度的泡沫塑料模制品多级聚合物（B）满足下式：

5. 发明授权

US5672658A Highly stiff propylene-ethylene block copolymer composition and a process for producing the same 失效
标题翻译：高硬丙烯 - 乙烯嵌段共聚物组合物及其制备方法
公开(公告)号：US5672658A
公开(公告)日：1997-09-30
申请号：US516089
申请日：1995-08-17
申请人： Takahiro Oka , Shunji Kawazoe , Yasuhiro Yamane
发明人： Takahiro Oka , Shunji Kawazoe , Yasuhiro Yamane
IPC分类号： C08F297/08
CPC分类号： C08F297/083
摘要： A propylene.ethylene block copolymer composition having a high stiffness and high-impact properties and its production process are provided, which composition is produced by using a specified Ziegler-Natta type catalyst; carrying out polymerization step (I) wherein homopolymerization of propylene is carried out by means of two or more polymerization vessels so as to afford 60 to 95% by weight based upon the total weight, and a specified range of the maximum value and the minimum value of the melt flow rates of the polymers obtained in the respective vessels; and carrying out polymerization step (II) wherein propylene-ethylene random copolymerization is carried out by means of one or more polymerization vessels so as to afford 5 to 40% by weight based upon the total quantity, the ratio of the melt flow rate at the polymerization step (I) to the melt flow rate at the polymerization step (II) being made to fall within a specified range, whereby the resulting ethylene.propylene block copolymer composition is far superior in the collective strength to known ethylene.propylene block copolymer compositions.
摘要翻译：提供具有高刚度和高冲击性能的丙烯 - 亚乙基嵌段共聚物组合物及其制备方法，该组合物通过使用特定的齐格勒 - 纳塔型催化剂制备; 进行聚合步骤（I），其中丙烯的均聚通过两个或更多个聚合容器进行，从而基于总重量提供60至95重量％，以及最大值和最小值的指定范围在各个容器中获得的聚合物的熔体流动速率; 并进行聚合步骤（II），其中通过一个或多个聚合容器进行丙烯 - 乙烯无规共聚，从而以总量为基准，提供5-40重量％的熔体流动速率聚合步骤（I）使聚合步骤（II）的熔体流动速率落在规定的范围内，由此得到的乙烯 - 丙烯嵌段共聚物组合物的总强度远远优于已知的乙烯 - 丙烯嵌段共聚物组合物。

6. 发明授权

US5416169A Polypropylene having a high melt-tensile strength, a process for producing the same and a molded product from the same 失效
标题翻译：具有高熔体拉伸强度的聚丙烯，其制造方法和来自其的模塑产品
公开(公告)号：US5416169A
公开(公告)日：1995-05-16
申请号：US147582
申请日：1993-11-05
申请人： Jun Saito , Shunji Kawazoe , Shingo Kikukawa
发明人： Jun Saito , Shunji Kawazoe , Shingo Kikukawa
IPC分类号： C08F10/06 , C08F110/06 , C08F210/06 , C08K5/14 , C08L23/14 , C08F8/00
CPC分类号： C08L23/142 , C08F10/06 , C08K5/14 , C08F110/06 , C08F210/06
摘要： A linear, crystalline polypropylene having a branching coefficient of substantially 1, and a specified relation between melt-tensile strength and intrinsic viscosity, a specified relation between crystallization temperature and melting point, a boiling xylene-extraction residue % of 1 wt. % or less and if necessary, a specified ratio of weight average M.W./number average M.W.; a molded product from the above polypropylene; and a process for producing a polypropylene having the above polypropylene blended with di-2-ethylhexyl peroxydicarbonate, are provided, the above polypropylenes having a very high melt-tensile strength and crystallization temperature and also superior stiffness and moldability, to thereby broaden the restricted application fields of conventional polypropylene.
摘要翻译：分支系数基本为1的线性结晶聚丙烯，熔体拉伸强度和特性粘度之间的规定关系，结晶温度和熔点之间的规定关系，沸点二甲苯提取残余物％为1重量％％或更小，如果需要，指定的重量平均比例M.W./number平均M.W。来自上述聚丙烯的成型体; 提供了具有上述聚丙烯与上述二-2-乙基己基过氧化二碳酸酯共混的聚丙烯的方法，上述聚丙烯具有非常高的熔体拉伸强度和结晶温度，并且还具有优异的刚度和成型性，从而扩大了受限应用常规聚丙烯的领域。

7. 发明授权

US5140062A Continuous process for producing high molten viscoelastic polypropylene of ethylene-propylene copolymer 失效
标题翻译：用于生产乙烯 - 丙烯共聚物的高熔融粘弹性聚丙烯的连续方法
公开(公告)号：US5140062A
公开(公告)日：1992-08-18
申请号：US585692
申请日：1990-09-20
申请人： Hiromasa Chiba , Takahiro Oka , Shunji Kawazoe
发明人： Hiromasa Chiba , Takahiro Oka , Shunji Kawazoe
IPC分类号： C08F2/00 , C08F10/06 , C08F297/08
CPC分类号： C08F297/083 , C08F10/06
摘要： Continuous processes for producing high melting and viscoelasting polypropylene or ethylene-propylene copolymer are provided.These processes are characterized by (1) using two or more polymerizers connected in series, (2) supplying the whole amount of a catalyst and a molecular weight regulator (hydrogen) in the first tank and (3) a degasification amount of each tank in the second and subsequent tanks being 0.5 to 10 V.sub.1 /Hr (wherein V.sub.1 is a volume of the tank) calculated at 0.degree. C. and 0 Kg/cm.sup.2 G. In the process for producing the copolymer, (4) monomers having an ethylene content of 5 wt % or less are supplied in the first step. According to the processes of the present invention, polymers having a broad molecular weight distribution and good fluidity upon extrusion molding can be obtained and operational control in production is simply made.
摘要翻译：提供了用于生产高熔点和粘弹性聚丙烯或乙烯 - 丙烯共聚物的连续方法。这些方法的特征在于：（1）使用串联连接的两种或更多种聚合反应器，（2）在第一罐中提供全部量的催化剂和分子量调节剂（氢），（3）每个罐中的脱气量在0℃和0Kg / cm2G下计算的第二和随后的罐是0.5至10V1 / Hr（其中V1是罐的体积）。在共聚物的制造方法中，在第一工序中，供给（4）乙烯含量为5重量％以下的单体。根据本发明的方法，可以获得在挤出成型时具有宽分子量分布和良好流动性的聚合物，并且简单地进行生产中的操作控制。

8. 发明授权

US4510292A Ethylene-propylene copolymers for foaming and process for producing the same 失效
标题翻译：用于发泡的乙烯 - 丙烯共聚物及其制备方法
公开(公告)号：US4510292A
公开(公告)日：1985-04-09
申请号：US522013
申请日：1983-08-11
申请人： Hiromasa Chiba , Kenjiro Obama , Shunji Kawazoe , Takahiro Oka , Akihiro Satoh
发明人： Hiromasa Chiba , Kenjiro Obama , Shunji Kawazoe , Takahiro Oka , Akihiro Satoh
IPC分类号： C08F4/00 , C08F4/60 , C08F4/64 , C08F297/00 , C08F297/08 , C08J9/04 , C08J9/06 , C08L23/10 , C08L23/16
CPC分类号： C08F297/083 , C08L23/10 , C08L2205/02 , C08L23/16
摘要： An ethylene-propylene block copolymer capable of producing foamed shaped articles having a structure of uniform and fine foams even without adding any other resins, and a process for producing the same are provided, which copolymer consists of a propylene homopolymer portion and an ethylene-propylene (EP) copolymer portion and is characterized in that .circle.1 the former portion is obtained by polymerizing propylene at two stages so that the portion can further consist of a lower molecular weight portion and a higher molecular portion; .circle.2 between the melt flow rates of the resulting block copolymer under a specified load and five times the load, there is a specified relationship; .circle.3 the EP copolymer portion has an ethylene content of 60 to 95% by weight based on this portion; and .circle.4 the block copolymer has an ethylene content of 10 to 40% by weight based on the copolymer.
摘要翻译：提供能够生产具有均匀和细小泡沫的结构的发泡成型制品的乙烯 - 丙烯嵌段共聚物，即使不添加任何其它树脂，以及其制备方法，该共聚物由丙烯均聚物部分和乙烯 - 丙烯（EP）共聚物部分，其特征在于，前一部分通过在两个阶段聚合丙烯获得，使得该部分可以进一步由较低分子量部分和较高分子部分组成; 所得嵌段共聚物在规定负荷下的熔体流动速率与负荷的5倍之间，有一个特定的关系; ＆lt; 3＆gt; EP共聚物部分基于该部分的乙烯含量为60〜95重量％和＆lt; c＆lt; 4＆gt;嵌段共聚物的乙烯含量基于共聚物为10〜40重量％。

9. 发明授权

US4760113A Process for continuously producing a high-melt viscoelastic ethylene-propylene copolymer 失效
标题翻译：用于连续生产高熔点粘弹性乙烯 - 丙烯共聚物的方法
公开(公告)号：US4760113A
公开(公告)日：1988-07-26
申请号：US942796
申请日：1986-12-17
申请人： Hiromasa Chiba , Shunji Kawazoe , Takahiro Oka
发明人： Hiromasa Chiba , Shunji Kawazoe , Takahiro Oka
IPC分类号： C08F210/16 , C08F2/00 , C08F2/02 , C08F2/04 , C08F2/06 , C08F4/60 , C08F4/64 , C08F4/642 , C08F6/00 , C08F6/06 , C08F297/08
CPC分类号： C08F297/083
摘要： A continuous polymerization process for producing a high-melt viscoelastic ethylene-propylene copolymer by the use of Ziegler-Natta catalyst, which process make it possible to stably produce an ethylene-propylene block copolymer having superior physical properties suitable to sheet molding and blow molding and capable of producing large-size molded products is provided,which process comprises(a) feeding propylene and ethylene in a weight proportion of ethylene in the total of propylene and ethylene of 0-5% into 3 or more polymerization vessels among 4 or more polymerization vessels connected in series, to carry out continuous polymerization step (i) and successively feeding ethylene and propylene in a weight proportion of ethylene in the total of ethylene and propylene of 10-100% into one or more polymerization vessels, to carry out continuous polymerization process (ii); (b) feeding the total quantity of the catalyst only to the first polymerization vessel; (c) feeding the total quantity of hydrogen substantially only to the first polymerization vessel; and (d) making the quantity of polymer obtained in step (i) 60-95 weight % based on the total polymerization quantity.
摘要翻译：通过使用齐格勒 - 纳塔催化剂制造高熔点粘弹性乙烯 - 丙烯共聚物的连续聚合方法，该方法使得可以稳定地制备具有适合于片材成型和吹塑成型的优异物理性能的乙烯 - 丙烯嵌段共聚物，以及提供能够生产大尺寸模制产品的方法，该方法包括（a）在4个或更多个聚合物中将丙烯和乙烯总量为0-5％的乙烯的重量比例的丙烯和乙烯进料到3个或更多个聚合容器中串联连接的容器，进行连续聚合步骤（i），并将乙烯和丙烯的总重量为10-100％的乙烯和丙烯的重量比连续地供入到一个或多个聚合容器中，以进行连续聚合方法（ii）; （b）仅向第一聚合容器供给催化剂总量; （c）基本上仅向第一聚合容器供给总量的氢; 和（d）基于总聚合量使步骤（i）中获得的聚合物的量为60-95重量％。

10. 发明授权

US5854355A Continuous process for preparation of highly rigid propylene-ethylene block copolymers 失效
标题翻译：用于制备高刚性丙烯 - 乙烯嵌段共聚物的连续方法
公开(公告)号：US5854355A
公开(公告)日：1998-12-29
申请号：US929052
申请日：1997-09-15
申请人： Takahiro Oka , Shunji Kawazoe , Yasuhiro Yamane
发明人： Takahiro Oka , Shunji Kawazoe , Yasuhiro Yamane
IPC分类号： C08F4/658 , C08F4/60 , C08F297/08
CPC分类号： C08F297/08 , C08F297/083
摘要： A continuous process for preparation of propylene-ethylene block copolymer suitable for moldings with high rigidity and high impact resistance are provided, which process is a continuous process for preparation of highly rigid propylene-ethylene block copolymers, wherein propylene and ethylene are polymerized in the specified 2 steps with use of a catalyst system comprising (A) a solid catalyst component containing Ti, Mg, halogen and polyvalent carboxylic ester, (B) an organic aluminium compound, as well as (C) an organic silicon compound expressed by the general formula R.sup.4.sub.x R.sup.5.sub.y Si(OR.sup.6).sub.z (wherein, x+y+z=4), and wherein the ratio between the maximum value and the minimum value of MFR(l)) is 0.1.ltoreq.Log(MFR(h)/MFR(l)).ltoreq.1, and the ratio between the average MFR(i) and MFR(ii) in the subsequent polymerization procedure (II) containing ethylene in a relatively large amount which is carried out by adding the glycol type compound is 3.ltoreq.Log(MFR(i)/MFR(ii)).ltoreq.7. The product having less fish eye and high impact resistant value was obtained from the copolymer according to the invention.
摘要翻译：提供了适用于具有高刚性和高抗冲击性的模制品的丙烯 - 乙烯嵌段共聚物的连续制备方法，该方法是用于制备高刚性丙烯 - 乙烯嵌段共聚物的连续方法，其中丙烯和乙烯在指定的使用包含（A）含有Ti，Mg，卤素和多价羧酸酯的固体催化剂组分的催化剂体系的步骤（B）有机铝化合物，以及（C）由通式 R4xR5ySi（OR6）z（其中，x + y + z = 4），其中MFR（1）的最大值和最小值之间的比率为0.1 Log（MFR（h）/ MFR ））），并且通过加入二醇型化合物进行的含有相对较多量的乙烯的随后的聚合方法（II）中的平均MFR（i）和MFR（ii）之间的比例为3 < / =对数（MFR（i）/ MFR（ii））7。由本发明的共聚物得到鱼眼少，抗冲击性高的产品。

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