公开(公告)号：CA2135561C

公开(公告)日：1997-04-22

申请号：CA2135561

申请日：1994-11-10

Applicant: MITSUI PETROCHEMICAL IND

Inventor： IMUTA JUNICHI ,  FUKUOKA DAISUKE ,  YOSHIDA MASAYASU ,  SAITO JUNJI ,  FUJITA TERUNORI ,  TASHIRO TAKASHI ,  KAWAAI KOJI ,  UEDA TAKASHI ,  KISO YOSHIHISA

IPC: C08F4/655 ,  C07C17/14 ,  C07C17/26 ,  C07F17/00 ,  C08F4/60 ,  C08F4/619 ,  C08F4/6192 ,  C08F4/622 ,  C08F4/642 ,  C08F4/645 ,  C08F10/00 ,  C07F7/00 ,  C07F9/00 ,  C07F11/00 ,  C08F4/74

Abstract: Disclosed is a novel transition metal compound represented by the following formula: wherein M is a transition metal, X is halogen or the like, R1 is a hydrocarbon group or the like, R2 is an aryl group substituted with a halogenated hydrocarbon group, and Y is a divalent silicon-containing group or the like. Also disclosed are an olefin polymerization catalyst component comprising the transition metal compound, an olefin polymerization catalyst comprising the olefin polymerization catalyst component, and a process for olefin polymerization using the olefin polymerization catalyst. An olefin polymerization catalyst component having high polymerization activity can be formed from the transition metal compound. By the use of the olefin polymerization catalyst or the process for olefin polymerization, polyolefins having a high melting point and a high molecular weight can be prepared with high polymerization activity.

公开(公告)号：CA2135561A1

公开(公告)日：1995-05-13

申请号：CA2135561

申请日：1994-11-10

Applicant: MITSUI PETROCHEMICAL IND

Inventor： IMUTA JUNICHI ,  FUKUOKA DAISUKE ,  YOSHIDA MASAYASU ,  SAITO JUNJI ,  FUJITA TERUNORI ,  TASHIRO TAKASHI ,  KAWAAI KOJI ,  UEDA TAKASHI ,  KISO YOSHIHISA

IPC: C08F4/655 ,  C07C17/14 ,  C07C17/26 ,  C07F17/00 ,  C08F4/60 ,  C08F4/619 ,  C08F4/6192 ,  C08F4/622 ,  C08F4/642 ,  C08F4/645 ,  C08F10/00 ,  C07F7/00 ,  C07F9/00 ,  C07F11/00 ,  C08F4/74

Abstract: Disclosed is a transition metal compound represented by the following formula: wherein M is a transition metal, X is halogen or the like, R is a hydrocarbon group or the like, R is an aryl group substituted with a halogenated hydrocarbon group, and Y is a divalent silicon-containing group or the like. Also disclosed are an olefin polymerization catalyst component comprising the transition metal compound, an olefin polymerization catalyst comprising the olefin polymerization catalyst component, and a process for olefin polymerization using the olefin polymerization catalyst. An olefin polymerization catalyst component having high polymerization activity can be formed from the transition metal compound. By the use of the olefin polymerization catalyst or the process for olefin polymerization, polyolefins having a high melting point and a high molecular weight can be prepared with high polymerization activity.

公开(公告)号：CA2181307A1

公开(公告)日：1997-01-18

申请号：CA2181307

申请日：1996-07-16

Applicant: MITSUI PETROCHEMICAL IND

Inventor： IMUTA JUNICHI ,  YOSHIDA MASAYASU ,  TOHI YASUSHI

IPC: C07F17/00 ,  C08F4/42 ,  C08F4/64 ,  C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F110/02 ,  C08F110/06 ,  C08F210/16 ,  C08F10/02 ,  C08F10/06

Abstract: The olefin polymerization catalyst of the invention is formed from a Group IVB transition metal compound represented by the following formula (I) and an organoaluminum oxy-compound or a compound which reacts with the transition metal compound to form an ion pair. In the olefin polymerization process of the invention using this catalyst or a catalyst formed from a Group IVB transition metal compound represented by the following formula (II) and an organoaluminum oxy-compound or a compound which reacts with the transition metal compound to form an ion pair, an olefin (co)polymer having a high molecular weight can be obtained with high polymerization activities, and besides an olefin copolymer having a high comonomer content can be obtained even if a comonomer is used in a small amount. (I) (II) wherein, M is a transition metal of Group IVB, at least one of R1 is an aryl group and the remainder is hydrogen or the like, R2 is hydrogen, an alkyl group or the like, R3 and R4 are each hydrogen, an alkyl group or the like, R6 is hydrogen, an alkyl group or the like, R7 is hydrogen, an alkyl group or the like, any one of R8 and R9 is an alkyl group, and X1 and X2 are each halogen, a hydrocarbon group or the like.

公开(公告)号：CA2125247A1

公开(公告)日：1994-12-08

申请号：CA2125247

申请日：1994-06-06

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA DAISUKE ,  TASHIRO TAKASHI ,  KAWAAI KOJI ,  SAITO JUNJI ,  UEDA TAKASHI ,  KISO YOSHIHISA ,  MIZUNO AKIRA ,  KAWASAKI MASAAKI ,  ITOH MASAAKI ,  IMUTA JUNICHI ,  FUJITA TERUNORI ,  NITABARU MASATOSHI ,  YOSHIDA MASAYASU ,  HASHIMOTO MIKIO

IPC: C07C45/46 ,  C07C49/67 ,  C07C49/697 ,  C07F17/00 ,  C08F4/60 ,  C08F4/602 ,  C08F4/619 ,  C08F4/6192 ,  C08F4/64 ,  C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/06 ,  C08F110/06 ,  C08F210/06 ,  C08F210/16 ,  C07F7/00 ,  C07F9/00 ,  C07F11/00 ,  C08F4/42

Abstract: The novel transition metal compound of the invention is represented by the following formula (I): (see formula I) wherein M is a transition metal; R1 is a hydrocarbon group of 2 to 6 carbon atoms, R2 is an aryl group of 6 to 16 carbon atoms; X1 and X2 are each a halogen atom or the like; and Y is a divalent hydrocarbon group, a divalent silicon-containing group or the like. An olefin polymerization catalyst component of the present invention comprises the aforementioned transition metal compound. An olefin polymerization catalyst of the present invention comprises the aforementioned olefin polymerization catalyst component. The propylene homopolymer, the propylene copolymer and the propylene elastomer according to the present invention have such properties that the triad tacticity of propylene units chain is high, a proportion of the inversely units based on the 2,1-insertion of propylene monomer is in the specific range, and the intrinsic viscosity [.pi.], as measured in decahydronaphthalene at 135.degree.C, is in the specific range.

公开(公告)号：JPH07138312A

公开(公告)日：1995-05-30

申请号：JP28377893

申请日：1993-11-12

Applicant: MITSUI PETROCHEMICAL IND

Inventor： IMUDA JUNICHI ,  FUKUOKA ONORI ,  YOSHIDA MASAYASU ,  SAITO JUNJI ,  FUJITA TERUNORI ,  TASHIRO KOJI ,  KAWAI KOJI ,  UEDA TAKASHI ,  KISO YOSHIHISA

IPC: C08F4/655 ,  C07C17/14 ,  C07C17/26 ,  C07F17/00 ,  C08F4/60 ,  C08F4/619 ,  C08F4/6192 ,  C08F4/622 ,  C08F4/642 ,  C08F4/645 ,  C08F10/00

Abstract: PURPOSE:To obtain an olefin polymerization catalyst which makes it possible to produce a polyolefin having high melting point, high molecular weight, and a narrow molecular weight distribution and composition distribution with high activity by using a specified transition metal compound as the constituent. CONSTITUTION:A transition metal compound represented by the formula (a new substance). This compound can be used as an olefin polymerization catalyst component. For example, a catalyst consisting of a transition metal compound (A) of the formula and at least one compound (B) selected from an organoaluminum oxy compound and a compound that reacts with the compound A to form an ion pair can be used as an olefin polymerization catalyst. In the formula, M is a group IVa, Va or VIa transition metal; R is a 1-20C hydrocarbon group; R is a 1-16C aryl group substituted by a 1-20C halogenated hydrocarbon group; X and X are each H, halogen or a 1-20C hydrocarbon group; and Y is a 1-20C hydrocarbon group, a 1-20C divalent halogenated hydrocarbon group, etc.

公开(公告)号：JPH09235313A

公开(公告)日：1997-09-09

申请号：JP18756396

申请日：1996-07-17

Applicant: MITSUI PETROCHEMICAL IND

Inventor： IMUDA JUNICHI ,  YOSHIDA MASAYASU ,  DOI YASUSHI

IPC: C08F4/642 ,  C08F4/646 ,  C08F4/6592 ,  C08F10/00

Abstract: PROBLEM TO BE SOLVED: To obtain a new transition metal compound represented by a specified formula, having very high polymerizing activities and useful as a polymerization catalyst capable of providing an olefin (co)polymer with a high molecular weight and a high comonomer fraction content. SOLUTION: This new transition metal compound is represented by formula I (M is a transition metal atom of the group IVb in the periodic table; R -R are each H, a halogen, a 1-10C alkyl, a 6-20C aryl, etc.; X and X are each H, a halogen, a 1-20C hydrocarbon, etc.; Y is a 1-20C divalent hydrocarbon, a 1-20C divalent halogenated hydrocarbon, etc.), e.g. ethylene 2-methyl-4-(9- phenanthryl)-1-indenyl} (9-fluorenyl) zirconium dichloride. Furthermore, the compound is obtained, for example, by reacting an anion of the compound obtained by cross-linking a substituted indenyl compound to a substituted fluorenyl compound and represented by formula II with a compound represented by formula III within the temperature range of -78 to 50 deg.C for about 1-25hr.

公开(公告)号：JPH07286005A

公开(公告)日：1995-10-31

申请号：JP12134894

申请日：1994-06-02

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA ONORI ,  TASHIRO KOJI ,  KAWAI KOJI ,  SAITO JUNJI ,  IMUDA JUNICHI ,  FUJITA TERUNORI ,  NITAHARA MASATOSHI ,  UEDA TAKASHI ,  KISO YOSHIHISA ,  YOSHIDA MASAYASU

IPC: C08F4/642 ,  C08F4/60 ,  C08F4/6592 ,  C08F10/00

Abstract: PURPOSE:To provide a new transition metal compound, an olefin polymerization catalyst containing a catalyst component containing this compound and the polymerization process. CONSTITUTION:An olefin (co)polymerization catalyst is obtained by pretreating, by prepolymerization of an olefin, a solid catalyst component prepared by impregnating a fine particulate support with a transition metal compound (A) such as represented by the formula [wherein M is IVa, Va or VIa transition metal; R is a 2-6C hydrocarbon group; R is a 6-16C aryl group; X and X are each H, halogen, a 1-20C hydrocarbon group, a 1-20C halohydrocarbon group, an oxygenous group or a sulfur group; Y is a 1-20C bivalent hydrocarbon group; a 1-20C halohydrocarbon group; a bivalent siliciferous group, a germanous group, -O-, -CO-, -S-, -SO-, -NR -,-P(R ), AIR (wherein R is H, halogen or the like)], an organoaluminumoxy compound and at least one compound selected from compounds capable of forming an ionic pair by reaction with component A and an organoaluminumoxy compound.

公开(公告)号：JPH07216011A

公开(公告)日：1995-08-15

申请号：JP1167694

申请日：1994-02-03

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA ONORI ,  SAITO JUNJI ,  IMUDA JUNICHI ,  FUJITA TERUNORI ,  TASHIRO KOJI ,  KAWAI KOJI ,  YOSHIDA MASAYASU ,  UEDA TAKASHI ,  KISO YOSHIHISA

IPC: C08F4/642 ,  C08F4/60 ,  C08F4/6592 ,  C08F10/00

Abstract: PURPOSE:To obtain a catalyst, comprising a specific transition metal, having excellent polymerization activity for an olefin and capable of producing a polyolefin, having a high molecular weight and a high melting point and excellent in stereoregularity. CONSTITUTION:This transition metallic compound is expressed by the formula (M is a group IVa, Va or VIa transition metal of the Periodic Table; R is H, a halogen, a 1-20C halogenated hydrocarbon, a silicon-containing group, etc.; R is a 1-20C hydrocarbon which may be substituted with a halogen, etc.; Hal is fluorine or chlorine; X and X are each H, a halogen, a 1-20C hydrocarbon, etc.; Y is a 1-20C bivalent hydrocarbon, SO, etc.). Furthermore, the catalyst for polymerizing an olefin comprises the transition metallic compound and is prepared by supporting the transition metallic compound, an organoaluminumoxy compound and a compound, reactive with the metallic compound and forming an ion paxr on a particulate carrier. The method for polymerizing the olefin comprises a reaction in the presence of the catalyst.