公开(公告)号：CA2103301A1

公开(公告)日：1994-05-19

申请号：CA2103301

申请日：1993-11-17

Applicant: MITSUI PETROCHEMICAL IND

Inventor： TASHIRO TAKASHI ,  UEDA TAKASHI

IPC: C08F4/64 ,  C08F4/646 ,  C08F4/647 ,  C08F4/649 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F4/642 ,  C08F4/645

Abstract: Catalyst for olefin polymerization comprising (A) a compound of a transition metal in Group IVB of the periodic table which contains a ligand having a cyclopentadienyl skeleton, (B) an organoaluminum compound and (C1) a Broensted acid; (C2) a material obtainable by contacting (c-1) a magnesium compound with (c-2) an electron donor; or (C3) a material obtainable by contacting (c-1), a magnesium compound, (c-2) an electron donor and (c-3) an organometallic compound with each other. Processes for polymerizing an olefin in the presence of the above-mentioned catalysts are excellent in olefin polymerization activity and economical efficiency.

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：DE69013773D1

公开(公告)日：1994-12-08

申请号：DE69013773

申请日：1990-07-02

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA DAISUKE ,  ISHITOKU TAKESHI ,  TAKAHASHI KATSUYA ,  TASHIRO TAKASHI ,  IMUTA JUNICHI ,  TAN HIROAKI ,  ISHIGURO MASAHARU ,  KIHARA NORIAKI ,  MUKAIYAMA TERUAKI

IPC: C07D311/20

Abstract: Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivative of the general formula (V) :wherein R¹ denotes C₁ -C₄ primary alkyl, R² denotes hydrogen or C₁ -C₄ primary alkyl and R³ denotes C₁-C₄ alkyl, by reacting resorcin with   an aliphatic ketone acetal of the general formula (III):wherein R¹ , R² and R³ are as defined above, in the presence of an acid catalyst.

公开(公告)号：HU208688B

公开(公告)日：1993-12-28

申请号：HU407390

申请日：1990-07-03

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA DAISUKE ,  ISHITOKU TAKESHI ,  TAKAHASHI KATSUYA ,  TASHIRO TAKASHI ,  IMUTA JUNICHI ,  TAN HIROAKI ,  ISHIGURO MASAHARU ,  KIHARA NORIAKI ,  MUKAIYAMA TERUAKI

IPC: C07D311/20 ,  C07D311/16

Abstract: Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivative of the general formula (V) :wherein R¹ denotes C₁ -C₄ primary alkyl, R² denotes hydrogen or C₁ -C₄ primary alkyl and R³ denotes C₁-C₄ alkyl, by reacting resorcin with   an aliphatic ketone acetal of the general formula (III):wherein R¹ , R² and R³ are as defined above, in the presence of an acid catalyst.

公开(公告)号：HU904073D0

公开(公告)日：1990-12-28

申请号：HU407390

申请日：1990-07-03

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA DAISUKE ,  ISHITOKU TAKESHI ,  TAKAHASHI KATSUYA ,  TASHIRO TAKASHI ,  IMUTA JUNICHI ,  TAN HIROAKI ,  ISHIGURO MASAHARU ,  KIHARA NORIAKI ,  MUKAIYAMA TERUAKI

IPC: C07D311/20

Abstract: Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivative of the general formula (V) :wherein R¹ denotes C₁ -C₄ primary alkyl, R² denotes hydrogen or C₁ -C₄ primary alkyl and R³ denotes C₁-C₄ alkyl, by reacting resorcin with   an aliphatic ketone acetal of the general formula (III):wherein R¹ , R² and R³ are as defined above, in the presence of an acid catalyst.

公开(公告)号：FI903344A0

公开(公告)日：1990-07-03

申请号：FI903344

申请日：1990-07-03

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA DAISUKE ,  ISHITOKU TAKESHI ,  TAKAHASHI KATSUYA ,  TASHIRO TAKASHI ,  IMUTA JUNICHI ,  TAN HIROAKI ,  ISHIGURO MASAHARU ,  KIHARA NORIAKI ,  MUKAIYAMA TERUAKI

IPC: C07D311/20 ,  C07D

Abstract: Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivative of the general formula (V) :wherein R¹ denotes C₁ -C₄ primary alkyl, R² denotes hydrogen or C₁ -C₄ primary alkyl and R³ denotes C₁-C₄ alkyl, by reacting resorcin with   an aliphatic ketone acetal of the general formula (III):wherein R¹ , R² and R³ are as defined above, in the presence of an acid catalyst.

公开(公告)号：CA2020232C

公开(公告)日：1996-11-19

申请号：CA2020232

申请日：1990-06-29

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA DAISUKE ,  ISHITOKU TAKESHI ,  TAKAHASHI KATSUYA ,  TASHIRO TAKASHI ,  IMUTA JUNICHI ,  TAN HIROAKI ,  ISHIGURO MASAHARU ,  KIHARA NORIAKI ,  MUKAIYAMA TERUAKI

IPC: C07D311/20 ,  C07D311/58

Abstract: Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivative of the general formula(V): (V) wherein R1 denotes lower primary alkyl, R2 denotes hydrogen or lower primary alkyl and R3 denotes loweralkyl, by reacting resorcin with either an aliphatic ketone of the general formula(I): (I) wherein R1 and R2 are as defined above, and an alcohol of the formula(II): R3OH (II) wherein R3 is as defined above, in the presence of an acid catalyst, or an aliphatic ketone acetal of the general formula(III): (III) wherein R1, R2 and R3 are as defined above, in the presence of an acid catalyst.

公开(公告)号：HUT54134A

公开(公告)日：1991-01-28

申请号：HU407390

申请日：1990-07-03

Applicant: MITSUI PETROCHEMICAL IND

Inventor： FUKUOKA DAISUKE ,  ISHITOKU TAKESHI ,  TAKAHASHI KATSUYA ,  TASHIRO TAKASHI ,  IMUTA JUNICHI ,  TAN HIROAKI ,  ISHIGURO MASAHARU ,  KIHARA NORIAKI ,  MUKAIYAMA TERUAKI

IPC: C07D311/20 ,  C07D311/16

Abstract: Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivative of the general formula (V) :wherein R¹ denotes C₁ -C₄ primary alkyl, R² denotes hydrogen or C₁ -C₄ primary alkyl and R³ denotes C₁-C₄ alkyl, by reacting resorcin with   an aliphatic ketone acetal of the general formula (III):wherein R¹ , R² and R³ are as defined above, in the presence of an acid catalyst.

公开(公告)号：DE69310101T2

公开(公告)日：1997-09-25

申请号：DE69310101

申请日：1993-11-17

Applicant: MITSUI PETROCHEMICAL IND

Inventor： TASHIRO TAKASHI ,  UEDA TAKASHI

IPC: C08F4/64 ,  C08F4/646 ,  C08F4/647 ,  C08F4/649 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F4/645

Abstract: Catalyst for olefin polymerization comprising (A) a compound of a transition metal in Group IVB of the periodic table which contains a ligand having a cyclopentadienyl skeleton, (B) an organoaluminum compound and (C1) a Broensted acid; (C2) a material obtainable by contacting (c-1) a magnesium compound with (c-2) an electron donor; or (C3) a material obtainable by contacting (c-1), a magnesium compound, (c-2) an electron donor and (c-3) an organometallic compound with each other. Processes for polymerizing an olefin in the presence of the above-mentioned catalysts are excellent in olefin polymerization activity and economical efficiency.

公开(公告)号：DE69310101D1

公开(公告)日：1997-05-28

申请号：DE69310101

申请日：1993-11-17

Applicant: MITSUI PETROCHEMICAL IND

Inventor： TASHIRO TAKASHI ,  UEDA TAKASHI

IPC: C08F4/64 ,  C08F4/646 ,  C08F4/647 ,  C08F4/649 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F4/645

Abstract: Catalyst for olefin polymerization comprising (A) a compound of a transition metal in Group IVB of the periodic table which contains a ligand having a cyclopentadienyl skeleton, (B) an organoaluminum compound and (C1) a Broensted acid; (C2) a material obtainable by contacting (c-1) a magnesium compound with (c-2) an electron donor; or (C3) a material obtainable by contacting (c-1), a magnesium compound, (c-2) an electron donor and (c-3) an organometallic compound with each other. Processes for polymerizing an olefin in the presence of the above-mentioned catalysts are excellent in olefin polymerization activity and economical efficiency.