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公开(公告)号：JPH11228584A
公开(公告)日：1999-08-24
申请号：JP3163298
申请日：1998-02-13
Applicant: UBE INDUSTRIES
Inventor： IGAI SHIGERU , YANO TAKEFUMI
IPC: C07F7/18
Abstract: PROBLEM TO BE SOLVED: To produce the subject compound useful as a polymerization catalyst component, etc., in high yield by reacting magnesium with a halogenated hydrocarbon and a secondary amine, producing a magnesium amide compound and then reacting the resultant magnesium amide compound with an alkoxysilane. SOLUTION: Magnesium is reacted with a halogenated hydrocarbon (e.g. n-butyl chloride) and a secondary amine (e.g. perhydroisoquinoline) in a solvent such as tetrahydrofuran to produce a magnesium amide compound in the first step. The resultant magnesium amide compound is then reacted with an alkoxysilane (e.g. tetramethoxysilane) under heating in the second step to thereby afford the objective aminoalkoxysilane compound, especially a di(polycyclic amino)dialkoxysilane [e.g. di(perhydroisoquinolyl)dimethoxysilane] in high yield according to a simple process. The resultant compound as a polymerization catalyst component is capable of producing a polymer having high stereoregularity in polymerization of an α-olefin.
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公开(公告)号：JPH11130785A
公开(公告)日：1999-05-18
申请号：JP30075797
申请日：1997-10-31
Applicant: UBE INDUSTRIES
Inventor： IGAI SHIGERU , FUKUNAGA TOSHIFUMI , KOIZUMI KIYOSUKE
IPC: C07F7/18
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a di(polynuclear amino) dialkoxysilane having two polynuclear perhydroamino groups, the hydrocarbon amino group of which is sterically very bulkyl, e.g. di(polynuclear perhydroamino)di(hydrocarbon oxy)silane. SOLUTION: This method for producing a di(polynuclear amino)dialkoxysilane uses tetrachlorosilane, a polynuclear secondary amine and alcohol as the reactants in the presence of a hydrogen chloride scavenger. The particularly preferable hydrogen chloride scavengers include trimethylamine, triethylamine, tripropylamine, tributylamine, trihexylamine and dimethylphenylamine. The polynuclear secondary amines useful for the present invention include perhydroindole, perhydroisoindole, perhydroquinoline, perhydroisoquinoline and perhydrocarbazole.
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公开(公告)号：JPH10298230A
公开(公告)日：1998-11-10
申请号：JP10432497
申请日：1997-04-22
Applicant: UBE INDUSTRIES
Inventor： IGAI SHIGERU , KAI YOSHIYUKI , MURAKAMI MASATO , YAMASHITA JUN
Abstract: PROBLEM TO BE SOLVED: To obtain a vanadium metallocene compound useful as a catalyst for the polymerization of conjugated dienes by treating a reaction product obtained by reacting VCl4 or VCl3 with a specified organometallic compound with thionyl chloride. SOLUTION: VCl4 or VCl3 is reacted with an organometallic compound such as represented by the formula: RLi, RNa or RMgCl [wherein R is 1,3- dimethylcyclopentadienyl, t-butylcyclopentadienyl, trimethylsilylcyclopentadinyl, bis(trimethylsilyl)pentadienyl, benzylcyclopentadinyl, ethylcyclopentadienyl or m-butylcyclpentadienyl]. The obtained product represented by the formula: VR2 Cl2 or VR2 Cl is treated with thionyl chloride to obtain a vanadium metallocene compound of the formula: VRCl3 (V is vanadium). Next, this compound is treated with oxygen to obtain a vanadium metallocene compound of the formula: V(O)RCl2 .
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公开(公告)号：JPH09110917A
公开(公告)日：1997-04-28
申请号：JP26860995
申请日：1995-10-17
Applicant: UBE INDUSTRIES
Inventor： IGAI SHIGERU , IMAOKA KOJI
IPC: C08F4/642 , C08F4/60 , C08F4/6592 , C08F10/00
Abstract: PROBLEM TO BE SOLVED: To obtain a new olefin (co)polymn. catalyst which comprises a group-IV transition metal compd. having a π-electron ligand and a group or groups formed by substituting nitrogen and boron atoms for carbon atoms of cyclopentadienyl groups, an organometallic compd., an aluminoxane, and a cocatalyst. SOLUTION: This catalyst comprises a group-IV transition metal compd. represented by the formula (wherein M is a group-IV transition metal, i.e., Ti, Zr, or Hf; X is H, a halogen, or a 1-12C hydrocarbon group; Y and Z are each H, a 1-20C hydrocarbon group, or a silyl group contg. a 1-20C hydrocarbon group; and (n) is 2 or 3), an org. compd. of a metal of group I-III, an aluminoxane, and an ionic compd. cocatalyst reactive with the transition metal compd. to form a cationic transition metal compd. In the formula, X is pref. Cl, Br, or methyl; and Y and Z are each pref. methyl, ethyl, or trimethylsilyl. An esp. pref. cocatalyst is an organoaluminum compd. This catalyst has a good copolymerizability with an α-olefin.
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公开(公告)号：JPH0967379A
公开(公告)日：1997-03-11
申请号：JP22490295
申请日：1995-09-01
Applicant: UBE INDUSTRIES
Inventor： IGAI SHIGERU , IKEUCHI HIROMICHI , YAMASHITA JUN
Abstract: PROBLEM TO BE SOLVED: To obtain a new organosilicon compound which is a specific diaminoalkoxysilane, useful as a highly active polymerization catalyst component capable of producing a highly stereoregular homopolymer of an α-olefin or a copolymer thereof and other monomers. SOLUTION: This new diaminoalkoxysilane is represented by formula I (R to R are each a 1-8C hydrocarbon), formula II (R is a cyclic amino group) or formula III and useful as a highly active polymerization catalyst component, etc., capable of producing a highly stereoregular homopolymer of an α-olefin or a copolymer thereof with other α-olefins. The new organosilicon compound is obtained by placing stirrer beads in a flask, equipped with a dropping funnel and having a glass filter, replacing the interior of the flask with nitrogen, then placing dimethylamine and n-heptane therein, dropping a solution of butyl-lithium in hexane from the dropping funnel thereinto, subsequently dropping tetramethoxysilane into the mixture, carrying out the reaction, filtering the reactional mixture through the glass filter, distilling away the n-heptane in the filtrate under a reduced pressure, distilling and purifying the resultant product.
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Patent Agency Ranking
公开(公告)号：JPH0959312A
公开(公告)日：1997-03-04
申请号：JP21776295
申请日：1995-08-25
Applicant: UBE INDUSTRIES
Inventor： IGAI SHIGERU , IKEUCHI HIROMICHI , YAMASHITA JUN
IPC: C08F4/658 , C08F4/60 , C08F10/00 , C08F210/06
Abstract: PROBLEM TO BE SOLVED: To produce a polypropylene copolymer excellent in balance between transparency and rigidity. SOLUTION: Propylene is copolymerized with ethylene in the presence of a catalyst comprising a catalyst solid component consisting essentially of magnesium, titanium, a halogen element and an electron donor as a component [A], an organoaluminum compound component as a component [B] and an organosilicon compound represented by the formula R n Si(OR )4-n-m (NR R )m or R nSi(OR )4-n-m R m [R , R , R and R denote each a 1-24C hydrocarbon group; R denotes a cyclic amino group; (n) is 0-2; (m) is 1-2] to produce a propylene copolymer with 0.01-10wt.% ethylenecontent.
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公开(公告)号：JPH08143623A
公开(公告)日：1996-06-04
申请号：JP29137394
申请日：1994-11-25
Applicant: UBE INDUSTRIES
Inventor： NAKAZAWA HIROSHI , IGAI SHIGERU , IMAOKA KOJI , MITANI NOBUHIRO
Abstract: PURPOSE: To provide a method for producing a polyolefin having a high molecular weight by a high catalyst activity, by coexisting a nickel ylide complex with a specific Lewis acid compound. CONSTITUTION: This polymerization method of olefin is performed in the presence of a catalyst composed of (A) a reaction product of following components (a), (b) and (c) and (B) a lewis acid compound selected from the group of an organic aluminumoxy compound, an organic aluminum compound and an organic boron compound. (a) a zero-valent nickel compound, (b) a ylide compound expressed by R 3 P=CR -C(O)R (R is a 1-12C hydrocarbon group, R and R are each hydrogen or a 1-12C hydrocarbon group) and (c) a phosphorus compound selected from ylides expressed by R 3 P, R 3 PO and R 3 P=CR R (R and R are each a 1-12C hydrocarbon group, R and R are each hydrogen, a 1-12C hydrocarbon group or an SiR3 group).
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公开(公告)号：JPH08143621A
公开(公告)日：1996-06-04
申请号：JP28815494
申请日：1994-11-22
Applicant: UBE INDUSTRIES
Inventor： IGAI SHIGERU , TAMURA MASANORI , IKEUCHI HIROMICHI , YAMASHITA JUN
Abstract: PURPOSE: To produce an α-olefin polymer having high stereospecificity and high melt fluidity. CONSTITUTION: This polymerization method of an α-olefin is performed in the presence of a catalyst composed of [A] a catalyst solid component containing magnesium, titanium, a halogen element and an electron-donor as essential components, [B] an organic aluminum compound component and [C] an organic silicon compound expressed by the formula: R 2 Si(OR )3 (R is a cyclic amino group and R is a 1-10C hydrocarbon group).
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公开(公告)号：JPH08127610A
公开(公告)日：1996-05-21
申请号：JP26526394
申请日：1994-10-28
Applicant: UBE INDUSTRIES
Inventor： NAKAZAWA HIROSHI , IGAI SHIGERU , IMAOKA KOJI , OGAWA EIKO
Abstract: PURPOSE: To obtain a catalyst, having a high polymerization activity and providing the resultant polymer with a narrow molecular weight distribution, excellent in copolymerizability of ethylene with an α-olefin and capable of providing a copolymer having a narrow compositional distribution thereof. CONSTITUTION: This catalyst for polymerizing an olefin comprises (A) a transition metallic compound represented by the formula RB(pz)3 MX3 (M denotes a group IV or V transition metal of the periodic table; R denotes hydrogen or a hydrocarbon group; X denotes hydrogen, a hydrocarbon group, a hologen, amino group or an oxyhydrocarbon group; pz denotes pyrazoyl group) and (B) a compound selected from the group consisting of organoaluminumoxy compounds, Lewis acidic compounds and ionic compounds. Thereby, both the resultant polymer and copolymer have a low content of tacky oligomers and are excellent in mechanical properties.
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公开(公告)号：JPH07228630A
公开(公告)日：1995-08-29
申请号：JP2143594
申请日：1994-02-18
Applicant: UBE INDUSTRIES
Inventor： IGAI SHIGERU , TAMURA MASANORI , IKEUCHI HIROMICHI , YAMADA SHINICHIRO
Abstract: PURPOSE:To obtain the subject composition capable of raising its molding rate, excellent in rigidity, tensile strength, transparency and surface characteristics, useful for structural materials, films etc., by incorporating a crystalline polypropylene with a specified amount of a specific nucleating agent polymer. CONSTITUTION:This highly crystalline polypropylene composition is obtained by incorporating (A) a crystalline polypropylene with (B) 10-10000wt.ppm of a nucleating agent polymer such as a polymer produced by polymerizing, in the presence of a metallocene-based polymerization catalytic system, at least one kind of monomer selected from >=4C branched alpha-olefins such as 3- methyl-1-butene, vinyl group-contg. cyclic hydrocarbon compounds such as vinylcyclohexane, alkenylsilanes such as vinyl trimethylsilane, indene compounds, and vinyl group-substituted aromatic compounds such as vinylnorbornene and styrene. It is preferable that the ratio Mw/Mr of the nucleating agent polymer be
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