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EP0058549A2
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Catalyst for polymerization of olefins
Assignee: Asahi Kasei Corp
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Filing: 1982-02-15
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Granted: —
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Expires: 2002-02-15
Abstract
Abstract A catalyst useful for polymerizing olefins which comprises a solid catalyst component [A] and an organometallic component [B], the solid catalyst component [A] being obtained by reacting (1) an organometallic compound with (2) a transition metal compound selected from the group consisting of a titanium compound, a vanadium compound, a mixture of a titanium compound and a vanadium compound and a mixture of a titanium compound and a zirconium compound, in the presence of (3) a solid reaction product of (a) an organomagnesium compound of the formula wherein a, p, q and r each independently is 0 or a number greater than 0, m is the valence of M, M is a metal of the 1st to 3rd groups of the Periodic Table, R is at least one hydrocarbon group having 1 to 20 carbon atoms, X is at least one member selected from the group consisting of a hydrogen atom and electronegative groups containing an oxygen atom, a nitrogen atom or a sulfur atom, D is an electron donative organic compound, with (b) at least one compound selected from the group consisting of halides of boron, silicon, germanium, tin, phosphorus, antimony, bismuth or zinc and hydrogen chloride; and a polymerization process employing such a catalyst.
Inventors
- 👤 Hisaya Sakurai
- 👤 Yoshihiko Katayama
- 👤 Tadashi Ikegami
- 👤 Masayasu Furusato
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 13:53
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
198 words
A catalyst useful for polymerizing olefins which comprises a solid catalyst component {A} and an organometallic component {B}, the solid catalyst component {A} being obtained by reacting (1) an organometallic compound with (2) a transition metal compound selected from a titanium compound, a.vanadium compound, a mixture of a titanium compound and a vanadium.compound and a mixture of a titanium compound and a zirconium oompound, in the presence of (3) a solid reaction product of (a) an organomagnesium compound of the formula M α MgR p X q ·Dr wherein a, p, q and r each independently is 0 or a number greater than 0, p + q = ma + 2 0 ≦ q(α+1) < 2 m is the valence of M, M is a metal of the 1st to 3rd groups of the Periodic Table, R is at least one hydrocarbon group having 1 to 20 carbon atoms, X is at least one hydrogen atom or.electronegative group containing an oxygen atom, a nitrogen atom or a sulfur atom, D is an electron donative organic compound, with (b) at least one compound selected from halides of boron, silicon, germanium, tin, phosphorus, antimony, bismuth or zinc and hydrogen chloride.
Claim 2
Dependent Claim
198 words
A catalyst useful for polymerizing olefins which comprises a solid catalyst component {A} and an organometallic component {B}, the solid catalyst component {A} being obtained by reacting (1) an organometallic compound with (2) a transition metal compound selected from a titanium compound, a.vanadium compound, a mixture of a titanium compound and a vanadium.compound and a mixture of a titanium compound and a zirconium oompound, in the presence of (3) a solid reaction product of (a) an organomagnesium compound of the formula M α MgR p X q ·Dr wherein a, p, q and r each independently is 0 or a number greater than 0, p + q = ma + 2 0 ≦ q(α+1) < 2 m is the valence of M, M is a metal of the 1st to 3rd groups of the Periodic Table, R is at least one hydrocarbon group having 1 to 20 carbon atoms, X is at least one hydrogen atom or.electronegative group containing an oxygen atom, a nitrogen atom or a sulfur atom, D is an electron donative organic compound, with (b) at least one compound selected from halides of boron, silicon, germanium, tin, phosphorus, antimony, bismuth or zinc and hydrogen chloride.
Claim 3
Dependent Claim
30 words
A catalyst according to claim 1, wherein the solid reaction product (3) is a reaction product of the organomagnesium compound (a), the compound (b) and a solid inorganic oxide (c).
Claim 4
Dependent Claim
36 words
A catalyst according to claim 1 or 2, wherein the solid reaction product (3) is a reaction product of the compounds (a) and (b) or (a), (b) and (c) with an electron donative organic compound (d).
Claim 5
Dependent Claim
43 words
A catalyst according to any one of claims 1 to 3, wherein the organometallic compound (1) is reacted with the transition metal compound in the presence of a solid reaction product (3) which has been separated from a reaction solution for producing it.
Claim 6
Dependent Claim
32 words
A catalyst according to any one of claims 1 to 4, wherein M in the organomagnesium compound (a) of the solid reaction product (3) is lithium, beryllium, boron, aluminum or zinc metal.
Claim 7
Dependent Claim
30 words
A catalyst according to any one of claims 1 to 5, wherein a in the organomagnesium compound (a) of the solid reaction product (3) is 0 < α ≦ 1.
Claim 8
Dependent Claim
25 words
A catalyst according to claim 6, wherein a in the organomagnesium compound (a) of the solid reaction product (3) is 0.01 = α ≦ 0.5.
Claim 9
Dependent Claim
98 words
A catalyst according to any one of claims 1 to 7, wherein X in the organomagnesium compound (a) of the solid reaction (3) is OR 1 , OSiR 2 R 3 R 4 , NR 5 R 6 , SR 7 or wherein R 1 , R 7 , R 8 and R 10 each independently is a hydrocarbon group having 1 to 20 carbon atoms and R 2 , R 3 , R4, R 5 , R 6 and R 9 each independently is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
Claim 10
Dependent Claim
27 words
A catalyst according to any one of claims 1 to 8, wherein D is an ether, a siloxane, an amine or an ester of an organic acid.
Claim 11
Dependent Claim
30 words
A catalyst according to any one of claims 1 to 9, wherein q in the organomagnesium compound (a) of the solid reaction product (3) is 0 ≦ q/(α+1) ≦ 1.5.
Claim 12
Dependent Claim
30 words
A catalyst according to any one of claims 1 to 10, wherein r in the organomagnesium compound (a) of the solid reaction product (3) is 0 ≦ r ≦ 10.
Claim 13
Dependent Claim
25 words
A catalyst according to claim 11, wherein r in the organomagnesium compound (a) of the solid reaction product (3) is 0 ≦ r ≦ 2.
Claim 14
Dependent Claim
30 words
A catalyst according to any one of claims 1 to 12, wherein the organometallic compound (1) is an organolithium compound, an organomagnesium compound, an organoaluminum compound or an organozinc compound.
Claim 15
Dependent Claim
22 words
A catalyst according to claim 13, wherein the organometallic compound (1) is an alkylaluminum containing a halogen atom or an electronegative group.
Claim 16
Dependent Claim
33 words
A catalyst according to any one of claims 1 to 14, wherein the transition metal compound (2) is a titanium or vanadium compound having at least one halogen atom, or a mixture thereof.
Claim 17
Dependent Claim
21 words
A catalyst according to claim 15, wherein the atomic ratio of vanadium to titanium in the mixture is 0.02-50 : 1.
Claim 18
Dependent Claim
30 words
A catalyst according to claim 15, wherein the mol ratio of the titanium and/or vanadium compound to the magnesium atom in the solid reaction product (3) is 0.005-5 : 1.
Claim 19
Dependent Claim
40 words
A catalyst according to any one of claims 1 to 14, wherein the transition metal compound (2) is a mixture of a titanium compound having at least three alkoxy groups and a zirconium compound having at least three alkoxy groups.
Claim 20
Dependent Claim
18 words
A catalyst according to claim 18, wherein the atomic ratio of zirconium to titanium is 0.2-10 : 1.
Claim 21
Dependent Claim
34 words
A catalyst according to claim 18 or 19, wherein the mol ratio of the titanium compound plus the zirconium compound to the magnesium atom in the solid reaction product (3) is 0.001-0.35 : 1.
Claim 22
Dependent Claim
28 words
A catalyst according to claim 15, 16 or 17, wherein the mol ratio of the organometallic compound (1) to the titanium and/or vanadium compound is 0.05-20 : 1.
Claim 23
Dependent Claim
31 words
A catalyst according to claim 18, 19 or 20, wherein the mol ratio of the organometallic compound (1) to the titanium compound plus the zirconium compound is 0.1-100 : 1 .
Claim 24
Dependent Claim
32 words
A catalyst according to any one of claims 1 to 12, wherein the reaction between the organomagnesium compound (a) and the compound (b) is conducted at a temperature of -50°C to 150°C.
Claim 25
Dependent Claim
27 words
A catalyst according to any one of claims 1 to 23, wherein the mol ratio of the compound (b).to the organomagnesium compound (a) is 0.01-100 : 1.
Claim 26
Dependent Claim
31 words
A catalyst according to any one of claims 2 to 23, wherein the solid inorganic oxide (c) is at least one compound selected from silica, alumina, silica-alumina, magnesia, thoria and zirconia.
Claim 27
Dependent Claim
31 words
A catalyst according to any one of claims 2 to 25, wherein the amount of the organomagnesium compound (a) is 0.05mmol to 100nmols per gram of the solid inorganic oxide (c).
Claim 28
Dependent Claim
32 words
A catalyst according to any one of claims 3 to 26, wherein the electron donative organic compound (d) is an ether, a siloxane, an amine or an ester of an organic acid.
Claim 29
Dependent Claim
36 words
A catalyst according to any one of claims 3 to 27, wherein the mol ratio of the electron donative organic compound (d) to the magnesium atom in the solid reaction product (3) is 0.01-100 : 1.
Claim 30
Dependent Claim
31 words
A catalyst according to any one of claims 1 to 28, wherein the organometallic component {B} is at least one of an organoaluminum compound, an organozinc compound and an organomagnesium compound.
Claim 31
Dependent Claim
36 words
A catalyst according to claim 29, wherein the organoaluminum compound is a trialkylaluminum, an alkylaluminum hydride, an alkylaluminum halide, an alkylaluminum alkoxide, an alkylaluminum siloxide or a reaction product of an alkylaluminum and a conjugated diene.
Claim 32
Dependent Claim
34 words
A catalyst according to any one of claims 1 to 30, wherein the mol ratio of the organometallic component {B} to the transition metal in the solid catalyst component {A} is 3-1000 : 1.
Claim 33
Dependent Claim
26 words
A catalyst according to any one of claims 1 to 31, which comprises the catalyst component {A}, the organometallic component {B} and a halogenated hydrocarbon {C}.
Claim 34
Dependent Claim
24 words
A catalyst according to claim 32, wherein the mol ratio of the halogenated hydrocarbon {C} to the organometallic component {B} is 0.01-100 : 1.
Claim 35
Dependent Claim
24 words
A process for polymerizing an olefin which comprises contacting the olefin with a catalyst as claimed in any one of claims 1 to 33.
Claim 36
Dependent Claim
33 words
A process according to claim 34, wherein the olefin is ethylene or a mixture of ethylene and at least one of propylene, 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene, 1-tetradecene and 1-methyl-l-pentene.
References Cited (Backward Citations)
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