US4400302A
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US
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Olefin polymerization catalyst compositions and a process for the polymerization of olefins employing such compositions
Assignee: Union Carbide Chemicals and Plastics Technology LLC
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Filing: 1980-05-01
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Granted: 1983-08-23
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Expires: 2000-05-01
Abstract
Abstract An olefin polymerization catalyst composition comprising: (a) a reaction product of an organoaluminum compound and an electron donor, and (b) a solid component which has been obtained by halogenating a magnesium compound with the formula MgR 1 R 2 wherein R 1 is an alkyl, aryl, alkoxide or aryloxide group and R 2 is an alkyl, aryl, alkoxide or aryloxide group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon, and contacting the halogenated product with a tetravalent titanium compound.
Inventors
- 👤 Brian L. Goodall
- 👤 Adrianus A. van der Nat
- 👤 Willem Sjardijn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:07
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
67 words
A solid component for olefin polymerization catalyst compositions which component has been obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon, contacting the halogenated product with a tetravalent titanium compound, and recovering the solid reaction product.
Claim 2
Dependent Claim
67 words
A solid component for olefin polymerization catalyst compositions which component has been obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon, contacting the halogenated product with a tetravalent titanium compound, and recovering the solid reaction product.
Claim 3
Dependent Claim
71 words
A solid component for olefin polymerization catalyst compositions which component has been obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon and an electron donor, contacting the halogenated product with a tetravalent titanium compound, and recovering the solid reaction product.
Claim 4
Dependent Claim
71 words
A solid component for olefin polymerization catalyst compositions which component has been obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon and an electron donor, contacting the halogenated product with a tetravalent titanium compound, and recovering the solid reaction product.
Claim 5
Dependent Claim
112 words
A solid component for olefin polymerization catalyst compositions, containing titanium and magnesium in an atomic ratio of Ti:Mg in the range from 0.02:1 to 1:1, which component has been obtained by contacting a compound MgR'R", in which R' and R" are alkyl groups of 2 to 8 carbon atoms, in a first contacting step with titanium tetrachloride, a chlorohydrocarbon having 1 to 12 carbon atoms per molecule and an electron donor, resulting in a solid which contains Mg, Ti, Cl and electron donor and which has an Mg:Cl atomic ratio of at least 1.5, contacting the resulting solid with titanium tetrachloride in a second contacting step and recovering the solid reaction product.
Claim 6
Dependent Claim
112 words
A solid component for olefin polymerization catalyst compositions, containing titanium and magnesium in an atomic ratio of Ti:Mg in the range from 0.02:1 to 1:1, which component has been obtained by contacting a compound MgR'R", in which R' and R" are alkyl groups of 2 to 8 carbon atoms, in a first contacting step with titanium tetrachloride, a chlorohydrocarbon having 1 to 12 carbon atoms per molecule and an electron donor, resulting in a solid which contains Mg, Ti, Cl and electron donor and which has an Mg:Cl atomic ratio of at least 1.5, contacting the resulting solid with titanium tetrachloride in a second contacting step and recovering the solid reaction product.
Claim 7
Dependent Claim
12 words
A composition according to claim 3 wherein said chlorohydrocarbon is carbon tetrachloride.
Claim 8
Dependent Claim
127 words
A solid component for olefin polymerization catalyst compositions, containing titanium and magnesium in an atomic ratio of Ti:Mg in the range from 0.02:1 to 1:1, which component has been obtained by converting a compound MgR'R" in which R' and R" are alkyl groups of 2 to 8 carbon atoms to magnesium dichloride by reaction with titanium tetrachloride in a molar ratio of MgR'R":titanium tetrachloride in the range from 0.01:1 to 1.0:1 in a first contacting step in the presence of a chlorohydrocarbon having 1 to 12 carbon atoms per molecule and of an aromatic ester electron donor, resulting in a solid which contains Mg, Ti, Cl and electron donor, contacting the resulting solid with titanium tetrachloride in a second contacting step, and recovering the solid reaction product.
Claim 9
Dependent Claim
127 words
A solid component for olefin polymerization catalyst compositions, containing titanium and magnesium in an atomic ratio of Ti:Mg in the range from 0.02:1 to 1:1, which component has been obtained by converting a compound MgR'R" in which R' and R" are alkyl groups of 2 to 8 carbon atoms to magnesium dichloride by reaction with titanium tetrachloride in a molar ratio of MgR'R":titanium tetrachloride in the range from 0.01:1 to 1.0:1 in a first contacting step in the presence of a chlorohydrocarbon having 1 to 12 carbon atoms per molecule and of an aromatic ester electron donor, resulting in a solid which contains Mg, Ti, Cl and electron donor, contacting the resulting solid with titanium tetrachloride in a second contacting step, and recovering the solid reaction product.
Claim 10
Dependent Claim
12 words
A composition according to claim 5 wherein said chlorohydrocarbon is carbon tetrachloride.
Claim 11
Dependent Claim
20 words
A composition according to claim 3 or 5 in which said chlorohydrocarbon has at least two chlorine atoms per molecule.
Claim 12
Dependent Claim
25 words
A composition according to claims 1 or 2, in which the halide of tetravalent titanium and the tetravalent titanium compound are each a titanium tetrahalide.
Claim 13
Dependent Claim
20 words
A composition according to claims 3 or 2 in which each electron donor is an ether, ester, amine or phosphine.
Claim 14
Dependent Claim
26 words
A composition according to claim 1 in which the atomic ratio of aluminum in component (a) to titanium in component (b) is from 1:1 to 80:1.
Claim 15
Dependent Claim
24 words
A composition according to claims 1 or 2 in which the halide of tetravalent titanium and the tetravalent titanium compound are each titanium tetrachloride.
Claim 16
Dependent Claim
17 words
A composition according to claims 3 or 2 in which each electron donor is an aromatic ester.
Claim 17
Dependent Claim
17 words
A composition according to claims 3, 5 or 2 in which the electron donor is ethyl benzoate.
Claim 18
Dependent Claim
81 words
An olefin polymerization catalyst composition comprising (a) a reaction product of an organoaluminum compound and an electron donor, and (b) a solid component which has been obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon, contacting the halogenated product with a tetravalent titanium compound, and recovering the solid reaction product.
Claim 19
Dependent Claim
81 words
An olefin polymerization catalyst composition comprising (a) a reaction product of an organoaluminum compound and an electron donor, and (b) a solid component which has been obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon, contacting the halogenated product with a tetravalent titanium compound, and recovering the solid reaction product.
Claim 20
Dependent Claim
26 words
A composition according to claim 14 in which the atomic ratio of aluminum in component (a) to titanium in component (b) is from 1:1 to 80:1.
Claim 21
Dependent Claim
85 words
An olefin polymerization catalyst composition comprising (a) a reaction product of an organoaluminum compound and an electron donor, and (b) a solid component which has been obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon and an electron donor, contacting the halogenated product with a tetravalent titanium compound and recovering the solid reaction product.
Claim 22
Dependent Claim
85 words
An olefin polymerization catalyst composition comprising (a) a reaction product of an organoaluminum compound and an electron donor, and (b) a solid component which has been obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon and an electron donor, contacting the halogenated product with a tetravalent titanium compound and recovering the solid reaction product.
Claim 23
Dependent Claim
18 words
A composition according to claim 16 in which each electron donor is an ether, ester, amine or phosphine.
Claim 24
Dependent Claim
15 words
A composition according to claim 16 in which each electron donor is an aromatic ester.
Claim 25
Dependent Claim
18 words
A composition according to claim 16 in which the electron donor in solid component (b) is ethyl benzoate.
Claim 26
Dependent Claim
25 words
A composition according to claims 14 or 16 in which the halide of tetravalent titanium and the tetravalent titanium compound are each a titanium tetrahalide.
Claim 27
Dependent Claim
24 words
A composition according to claims 14 or 16 in which the halide of tetravalent titanium and the tetravalent titanium compound are each titanium tetrachloride.
Claim 28
Dependent Claim
31 words
An olefin polymerization catalyst composition comprising (a) a reaction product of an organoaluminum compound and an electron donor and (b) a solid component according to claims 3, 4, 5 or 6.
Claim 29
Dependent Claim
28 words
An olefin polymerization catalyst composition according to claim 22 wherein the organoaluminum compound is an aluminum trialkyl and the electron donor of component (a) is an aromatic ester.
Claim 30
Dependent Claim
26 words
An olefin polymerization catalyst composition according to claim 22 wherein the organoaluminum compound is aluminum triethyl and the electron donor of component (a) is ethyl anisate.
Claim 31
Dependent Claim
26 words
A composition according to claim 22 in which the atomic ratio of aluminum in component (a) to titanium in component (b) is from 1:1 to 80:1.
Claim 32
Dependent Claim
26 words
A composition according to claim 23 in which the atomic ratio of aluminum in component (a) to titanium in component (b) is from 1:1 to 80:1.
Claim 33
Dependent Claim
26 words
A composition according to claim 24 in which the atomic ratio of aluminum in component (a) to titanium in component (b) is from 1:1 to 80:1.
Claim 34
Dependent Claim
57 words
A process for preparing a catalytic composition which comprises: (1) reacting a hydrocarbyl magnesium compound with TiCl 4 in the presence of a halocarbon compound containing only carbon and halogen atoms or a halohydrocarbon compound containing only carbon, hydrogen and halogen atoms; (2) contacting the reaction product with TiCl 4 ; and (3) separating the solid product.
Claim 35
Dependent Claim
57 words
A process for preparing a catalytic composition which comprises: (1) reacting a hydrocarbyl magnesium compound with TiCl 4 in the presence of a halocarbon compound containing only carbon and halogen atoms or a halohydrocarbon compound containing only carbon, hydrogen and halogen atoms; (2) contacting the reaction product with TiCl 4 ; and (3) separating the solid product.
Claim 36
Independent Claim
113 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon and an electron donor, separating the solid reaction product from the reaction mixture, optionally washing it with an inert diluent to remove any unreacted material, then contacting the halogenated product with a tetravalent titanium compound in a second contacting step, separating the resulting solid from the liquid medium, and washing it with an inert diluent to remove all unreacted titanium compound.
Claim 37
Independent Claim
113 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising halogenating a magnesium compound of the formula MgR'R" wherein R' is an alkyl or aryl group and R" is an alkyl or aryl group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon and an electron donor, separating the solid reaction product from the reaction mixture, optionally washing it with an inert diluent to remove any unreacted material, then contacting the halogenated product with a tetravalent titanium compound in a second contacting step, separating the resulting solid from the liquid medium, and washing it with an inert diluent to remove all unreacted titanium compound.
Claim 38
Independent Claim
132 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising contacting a compound MgR'R", in which R' and R" are alkyl groups of 2 to 8 carbon atoms, in a first contacting step with titanium tetrachloride, a chlorohydrocarbon having 1 to 12 carbon atoms per molecule and an electron donor, resulting in a solid which contains Mg, Ti, Cl and electron donor and which has an Mg:Cl atomic ratio of at least 1.5, separating the solid reaction product from the reaction mixture, optionally washing it with an inert diluent to remove any unreacted material, then contacting the resulting solid with titanium tetrachloride in a second contacting step, separating the resulting solid from the liquid medium, and washing it with an inert diluent to remove all unreacted titanium compound.
Claim 39
Independent Claim
132 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising contacting a compound MgR'R", in which R' and R" are alkyl groups of 2 to 8 carbon atoms, in a first contacting step with titanium tetrachloride, a chlorohydrocarbon having 1 to 12 carbon atoms per molecule and an electron donor, resulting in a solid which contains Mg, Ti, Cl and electron donor and which has an Mg:Cl atomic ratio of at least 1.5, separating the solid reaction product from the reaction mixture, optionally washing it with an inert diluent to remove any unreacted material, then contacting the resulting solid with titanium tetrachloride in a second contacting step, separating the resulting solid from the liquid medium, and washing it with an inert diluent to remove all unreacted titanium compound.
Claim 40
Independent Claim
148 words
A method for the preparation of a solid component for olefin polymerization catalyst compositions, comprising converting a compound MgR'R" in which R' and R" are alkyl groups of 2 to 8 carbon atoms to magnesium dichloride by reaction with titanium tetrachloride in a molar ratio of MgR'R":titanium tetrachloride in the range from 0.01:1 to 1.0:1 in a first contacting step in the presence of a chlorohydrocarbon having 1 to 12 carbon atoms per molecule and of an aromatic ester electron donor, resulting in a solid which contains Mg, Ti, Cl and electron donor, separating the solid reaction product from the reaction mixture, optionally washing it with an inert diluent to remove any unreacted material, then contacting the resulting solid with titanium tetrachloride in a second contacting step, separating the resulting solid from the liquid medium, and washing it with an inert diluent to remove all unreacted titanium compound.
Claim 41
Independent Claim
148 words
A method for the preparation of a solid component for olefin polymerization catalyst compositions, comprising converting a compound MgR'R" in which R' and R" are alkyl groups of 2 to 8 carbon atoms to magnesium dichloride by reaction with titanium tetrachloride in a molar ratio of MgR'R":titanium tetrachloride in the range from 0.01:1 to 1.0:1 in a first contacting step in the presence of a chlorohydrocarbon having 1 to 12 carbon atoms per molecule and of an aromatic ester electron donor, resulting in a solid which contains Mg, Ti, Cl and electron donor, separating the solid reaction product from the reaction mixture, optionally washing it with an inert diluent to remove any unreacted material, then contacting the resulting solid with titanium tetrachloride in a second contacting step, separating the resulting solid from the liquid medium, and washing it with an inert diluent to remove all unreacted titanium compound.
Claim 42
Independent Claim
20 words
A method according to claims 30 or 31 in which said chlorohydrocarbon has at least two chlorine atoms per molecule.
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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) | 1986-08-22 | 1987-02-21 | 1987-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-22 | 1991-02-21 | 1991-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-22 | 1995-02-21 | 1995-08-23 | $7700.00 | Window Closed / Lapsed |