US4159963A
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US
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Catalyst for producing polyolefins
Assignee: Asahi Kasei Corp
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Filing: 1978-01-30
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Granted: 1979-07-03
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Expires: 1998-01-30
Abstract
Abstract Novel highly active catalysts useful for highly stereospecific polymerization of olefin which enables to produce polymer of good grain size having a high stereoregularity can be obtained by a combination of [A] a solid catalyst component obtained by reacting a specified organomagnesium component (i) with a specified chlorosilane compound containing Si--H (ii) to obtain a solid (1) and reacting said solid (1) with a titanium compound containing at least one halogen atom (2) and a carboxylic acid or a derivative thereof (3) and [B] a component consisting of an organometallic compound and a carboxylic acid or a derivative thereof. The organomagnesium component is of the formula M.sub.α Mg.sub.β R.sub.p.sup.1 R.sub.q.sup.2 X.sub.r Y.sub.s wherein α is a number of 0 or greater than 0; β> 0; p, q, r and s are each a number of 0 or greater; p+q+r+s=mα+2β wherein m is the valency of M; M is a metal element of the 1st to the 3rd group of the Periodical Table; R 1 and R 2 are the same or different hydrocarbon radicals having 1 to 20 carbon atoms; X and Y are the same or different radicals selected from the group consisting of halogen, OR 3 , OSiR 4 R 5 R 6 , NR 7 R 8 and SR 9 wherein R 3 , R 4 , R 5 , R 6 , R 7 and R 8 are each hydrogen atom or a hydrocarbon radical having 1 to 20 carbon atoms and R 9 is a hydrocarbon radical having 1 to 20 carbon atoms, And chlorosilane is of the formula H.sub.a SiCl.sub.b R.sub.4-(a+b) wherein a and b are each a number greater than 0, having the relationship a≦2 and a+b≦4 wherein R is a hydrocarbon radical having 1 to 20 carbon atoms.
Inventors
- 👤 Hisaya Sakurai
- 👤 Hideo Morita
- 👤 Tadashi Ikegami
- 👤 Masayoshi Miya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:50
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
386 words
In a catalyst useful for polymerizing olefins comprising a magnesium compound, a titanium compound, an electron donor, and an organometallic compound, the improvement which is characterized in that a solid (1) is obtained by reacting one mole of organomagnesium component (i) represented by the general formula M.sub.α Mg.sub.β R.sub.p.sup.1 R.sub.q.sup.2 X.sub.r Y.sub.s wherein α is a number of 0 or greater than 0; β > 0; p, q, r and s are each numbers 0 or greater than 0, respectively, having the relationship of p+q+r+s=mα+2β; M is a metal component of the 1st to the 3rd group of the Periodic Table; m is the valency of M; R 1 and R 2 are the same or different hydrocarbon groups having 1-20 carbon atoms; X and Y are the same or different groups selected from the group consisting of halogen, OR 3 , OSiR 4 R 5 R 6 , NR 7 R 8 and SR 9 , wherein R 3 , r 4 , r 5 , r 6 , r 7 and R 8 are hydrogen atoms or hydrocarbon groups having 1-20 carbon atoms, and R 9 is a hydrocarbon group having 1-20 carbon atoms, with 0.01-100 moles of chlorosilane compound (ii) containing Si--H bonds and represented by the general formula H.sub.a SiCl.sub.b R.sub.4-(a+b) wherein < a≦2, b is a number greater than 0, a+b≦4, and R is a hydrocarbon group having 1-20 carbon atoms, that a solid catalyst component (A) is obtained by reacting said solid (1), a titanium compound (2) selected from a tetravalent titanium halide and/or a trivalent titanium halide, and a carboxylic acid or a derivative thereof (3) selected from a carboxylic acid having up to 30 carbon atoms, an acid halide having up to 30 carbon atoms, an acid anhydride or a carboxylic acid ester having up to 30 carbon atoms in the carboxylic portion, and that said catalyst component (A) is used with a component (B) comprising an organometallic compound of a metal selected from Groups I, II, III of the Periodic Table mixed with a carboxylic acid or derivative thereof selected from a carboxylic acid having up to 30 carbon atoms, an acid halide having up to 30 carbon atoms, an acid anhydride or a carboxylic acid ester having up to 30 carbon atoms in the carboxylic portion.
Claim 2
Dependent Claim
386 words
In a catalyst useful for polymerizing olefins comprising a magnesium compound, a titanium compound, an electron donor, and an organometallic compound, the improvement which is characterized in that a solid (1) is obtained by reacting one mole of organomagnesium component (i) represented by the general formula M.sub.α Mg.sub.β R.sub.p.sup.1 R.sub.q.sup.2 X.sub.r Y.sub.s wherein α is a number of 0 or greater than 0; β > 0; p, q, r and s are each numbers 0 or greater than 0, respectively, having the relationship of p+q+r+s=mα+2β; M is a metal component of the 1st to the 3rd group of the Periodic Table; m is the valency of M; R 1 and R 2 are the same or different hydrocarbon groups having 1-20 carbon atoms; X and Y are the same or different groups selected from the group consisting of halogen, OR 3 , OSiR 4 R 5 R 6 , NR 7 R 8 and SR 9 , wherein R 3 , r 4 , r 5 , r 6 , r 7 and R 8 are hydrogen atoms or hydrocarbon groups having 1-20 carbon atoms, and R 9 is a hydrocarbon group having 1-20 carbon atoms, with 0.01-100 moles of chlorosilane compound (ii) containing Si--H bonds and represented by the general formula H.sub.a SiCl.sub.b R.sub.4-(a+b) wherein < a≦2, b is a number greater than 0, a+b≦4, and R is a hydrocarbon group having 1-20 carbon atoms, that a solid catalyst component (A) is obtained by reacting said solid (1), a titanium compound (2) selected from a tetravalent titanium halide and/or a trivalent titanium halide, and a carboxylic acid or a derivative thereof (3) selected from a carboxylic acid having up to 30 carbon atoms, an acid halide having up to 30 carbon atoms, an acid anhydride or a carboxylic acid ester having up to 30 carbon atoms in the carboxylic portion, and that said catalyst component (A) is used with a component (B) comprising an organometallic compound of a metal selected from Groups I, II, III of the Periodic Table mixed with a carboxylic acid or derivative thereof selected from a carboxylic acid having up to 30 carbon atoms, an acid halide having up to 30 carbon atoms, an acid anhydride or a carboxylic acid ester having up to 30 carbon atoms in the carboxylic portion.
Claim 3
Dependent Claim
53 words
A catalyst for polymerizing olefins according to claim 1, wherein said organomagnesium component (i) is a hydrocarbon-soluble organomagnesium complex compound, wherein α is a number greater than 0, M is an atom selected from the group consisting of aluminum, boron, zinc and beryllium, and X and Y are groups other than halogen, respectively.
Claim 4
Dependent Claim
34 words
A catalyst for polymerizing olefins according to claim 1, wherein said organomagnesium component (i) is a hydrocarbon soluble organomagnesium compound, wherein α is 0, and X and Y are groups other than halogen, respectively.
Claim 5
Dependent Claim
20 words
A catalyst for polymerizing olefins according to claim 2, wherein the ratio of β/α is in the range of 0.5-10.
Claim 6
Dependent Claim
20 words
A catalyst for polymerizing olefins according to claim 2, wherein the ratio of (r+s)/(α+β) is in the range of 0-0.8.
Claim 7
Dependent Claim
19 words
A catalyst for polymerizing olefins according to claim 1, wherein said titanium compound (A) (2) is a titanium tetrachloride.
Claim 8
Dependent Claim
18 words
A catalyst for polymerizing olefins according to claim 1, wherein said titanium compound (A) (2) is titanium trichloride.
Claim 9
Dependent Claim
25 words
A catalyst for polymerizing olefins according to claim 1, wherein said titanium compound (A) (2) is a tetravalent titanium halide or a trivalent titanium halide.
Claim 10
Dependent Claim
21 words
A catalyst for polymerizing olefins according to claim 1, wherein said titanium compound (A) (2) is titanium tetrachloride or titanium trichloride.
Claim 11
Dependent Claim
46 words
A catalyst for polymerizing olefins according to claim 1, wherein said carboxylic acid or derivative thereof (A) (3) is used in 0.001-50 times the molar amount of the hydrocarbon groups included in the solid obtained by reacting the organo-magnesium component and chlorosilane compound containing Si--H bonds.
Claim 12
Dependent Claim
176 words
A catalyst for polymerizing olefins according to claim 1, wherein said organometallic compound (B) is a hydrocarbon soluble organomagnesium complex compound having the general formula M.sub.α Mg.sub.β R.sub.p.sup.1 R.sub.q.sup.2 X.sub.r Y.sub.2 wherein α and β are numbers greater than 0, β/α is in the range of 0.1-10, p, q, r and s are 0 or a number greater than 0, respectively, having the relationships p+q+r+s=mα+2β and 0≦(r+s)/(α+β)<1.0 wherein M is an atom selected from the group consisting of aluminum, zinc, boron and beryllium, m is the valency of M, R 1 and R 2 the same or different hydrocarbon groups having 1-20 carbon atoms, X and Y are the same or different groups selected from the group consisting of OR 3 , OSiR 4 R 5 R 6 , NR 7 R 8 and SR 9 wherein R 3 , r 4 , r 5 , r 6 , r 7 and R 8 are hydrogen atoms or a hydrocarbon group having 1-20 carbon atoms, and R 9 is a hydrocarbon group having 1-20 carbon atoms.
Claim 13
Dependent Claim
20 words
A catalyst for polymerizing olefins according to claim 11, wherein M of said organomagnesium complex compound is an aluminum atom.
Claim 14
Dependent Claim
56 words
A polymerization catalyst according to claim 1, wherein said organometallic compound (B) is an organoaluminum compound having the general formula AlR.sub.t.sup.10 Z.sub.3-t wherein R 10 is a hydrocarbon group having 1-20 carbon atoms, Z is a member selected from the group consisting of hydrogen, halogen, alkoxy, aryloxy and a siloxy group, and t is from 2-3.
Claim 15
Dependent Claim
18 words
A polymerization catalyst according to claim 13, wherein said organoaluminum compound is a trialkylaluminum or a dialkylaluminum hydride.
Claim 16
Dependent Claim
88 words
A polymerization catalyst according to claim 1, wherein said component (B) consisting of an organoaluminum compound and a carboxylic acid or its derivative is used by adding separately the product obtained by first reacting one part of an organoaluminum component having the general formula AlR.sub.t.sup.10 Z.sub.3-t wherein R 10 is a hydrocarbon group having 1-20 carbon atoms, Z is a member selected from the group consisting of hydrogen, halogen, alkoxy, aryloxy and siloxy group, with a carboxylic acid or its derivative, and then adding the remaining organoaluminum compound.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-07-02 | 1983-01-01 | 1983-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-02 | 1987-01-01 | 1987-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-02 | 1991-01-01 | 1991-07-03 | $7700.00 | Window Closed / Lapsed |