US4329253A
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US
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Olefin polymerization catalyst component and composition and method of preparation
Assignee: Union Carbide Chemicals and Plastics Technology LLC
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Filing: 1980-04-25
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Granted: 1982-05-11
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Expires: 2000-04-25
Abstract
Abstract An olefin polymerization catalyst composition comprising: (a) a reaction product of an organo aluminium compound and an electron donor, and (b) a product obtained by contacting a solid component comprising a magnesium halide in which the atomic ratio of chlorine to magnesium is at least 1.2, a titanium halide and an electron donor, with a halohydrocarbon and 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
2026-10-30 20:14
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
93 words
A solid constituent for olefin polymerization catalysts obtained by i contacting a solid reaction product comprising a magnesium halide in which the atomic ratio of halogen to magnesium is at least 1.2:1, a titanium halide and an electron donor with a halohydrocarbon in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a halide of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 2
Dependent Claim
93 words
A solid constituent for olefin polymerization catalysts obtained by i contacting a solid reaction product comprising a magnesium halide in which the atomic ratio of halogen to magnesium is at least 1.2:1, a titanium halide and an electron donor with a halohydrocarbon in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a halide of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 3
Dependent Claim
147 words
A solid constituent for olefin polymerization catalyst compositions, containing titanium and magnesium in an atomic ratio of Ti:Mg in the range from 0.005:1 to 3:1, obtained by contacting a solid reaction product comprising a magnesium chloride, a titanium chloride and an electron donor, wherein the atomic ratio of chlorine to magnesium in the magnesium chloride is at least 1.5:1, and the electron donor is an ether, ester, amine, phenol or phosphine, present in a ratio of 0.01 to 5 mole of electron donor per atom of magnesium, with a chlorohydrocarbon having 1 to 12 carbon atoms in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a chloride of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 4
Dependent Claim
147 words
A solid constituent for olefin polymerization catalyst compositions, containing titanium and magnesium in an atomic ratio of Ti:Mg in the range from 0.005:1 to 3:1, obtained by contacting a solid reaction product comprising a magnesium chloride, a titanium chloride and an electron donor, wherein the atomic ratio of chlorine to magnesium in the magnesium chloride is at least 1.5:1, and the electron donor is an ether, ester, amine, phenol or phosphine, present in a ratio of 0.01 to 5 mole of electron donor per atom of magnesium, with a chlorohydrocarbon having 1 to 12 carbon atoms in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a chloride of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 5
Dependent Claim
32 words
A composition according to claim 2 wherein said chlorohydrocarbon is carbon tetrachloride, said electron donor is an aromatic ester and said titanium chloride and said halide of tetravalent titanium are titanium tetrachloride.
Claim 6
Dependent Claim
86 words
A solid constituent 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, obtained by contacting a solid reaction product comprising magnesium dichloride, titanium tetrachloride and an aromatic ester electron donor, present in a ratio of 0.01 to 5 moles of electron donor per atom of magnesium, in a first contacting step with a chlorohydrocarbon having 1 to 12 carbon atoms and contacting the resulting solid with titanium tetrachloride in a second contacting step.
Claim 7
Dependent Claim
86 words
A solid constituent 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, obtained by contacting a solid reaction product comprising magnesium dichloride, titanium tetrachloride and an aromatic ester electron donor, present in a ratio of 0.01 to 5 moles of electron donor per atom of magnesium, in a first contacting step with a chlorohydrocarbon having 1 to 12 carbon atoms and contacting the resulting solid with titanium tetrachloride in a second contacting step.
Claim 8
Dependent Claim
12 words
A composition according to claim 4 wherein said chlorohydrocarbon is carbon tetrachloride.
Claim 9
Dependent Claim
20 words
A composition according to claims 2 or 4 in which said chlorohydrocarbon has at least two chlorine atoms per molecule.
Claim 10
Dependent Claim
15 words
A composition according to claims 4 or 5 wherein said electron donor is ethyl benzoate.
Claim 11
Dependent Claim
30 words
A composition according to claims 2, 3, 4 or 5 wherein said solid reaction product has been obtained by reacting magnesium dichloride with titanium tetrachloride and with an electron donor.
Claim 12
Dependent Claim
33 words
A composition according to claims 2, 3, 4 or 5 wherein said solid reaction product has been obtained by reacting a magnesium dialkoxide or diaryloxide with titanium tetrachloride and with an electron donor.
Claim 13
Dependent Claim
32 words
A composition according to claims 2, 3, 4 or 5 wherein said solid reaction product has been obtained by reacting a dialkyl magnesium compound with titanium tetrachloride and with an electron donor.
Claim 14
Dependent Claim
108 words
An olefin polymerization catalyst composition comprising: (a) a reaction product of an organoaluminum compound and an electron donor, and (b) a product obtained by i contacting a solid reaction product comprising a magnesium halide, in which the atomic ratio of halogen to magnesium is at least 1.2:1, a titanium halide and an electron donor, with a halohydrocarbon in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a halide of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 15
Dependent Claim
108 words
An olefin polymerization catalyst composition comprising: (a) a reaction product of an organoaluminum compound and an electron donor, and (b) a product obtained by i contacting a solid reaction product comprising a magnesium halide, in which the atomic ratio of halogen to magnesium is at least 1.2:1, a titanium halide and an electron donor, with a halohydrocarbon in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a halide of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 16
Dependent Claim
31 words
An olefin polymerization catalyst composition comprising (a) a reaction product of an organalumium compound and an electron donor and (b) a solid constituent according to claims 2, 3, 4 or 5.
Claim 17
Dependent Claim
25 words
An olefin polymerization catalyst composition according to claim 12 wherein the organoaluminum compound is an aluminum trialkyl and the electron donor is an aromatic ester.
Claim 18
Dependent Claim
26 words
An olefin polymerization catalyst composition according to claim 12 wherein the organoaluminum compound is aluminum triethyl and the electron donor of component (a) is ethyl anisate.
Claim 19
Dependent Claim
26 words
A composition according to claim 12 in which the atomic ratio of aluminum in component (a) to titanium in component (b) is from 1:1 to 50:1.
Claim 20
Dependent Claim
26 words
A composition according to claim 13 in which the atomic ratio of aluminum in component (a) to titanium in component (b) is from 1:1 to 50:1.
Claim 21
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 50:1.
Claim 22
Independent Claim
97 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising contacting a solid reaction product comprising a magnesium halide in which the atomic ratio of halogen to magnesium is at least 1.2, a titanium halide and an electron donor with a halohydrocarbon in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a halide of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 23
Independent Claim
97 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising contacting a solid reaction product comprising a magnesium halide in which the atomic ratio of halogen to magnesium is at least 1.2, a titanium halide and an electron donor with a halohydrocarbon in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a halide of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 24
Independent Claim
134 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising contacting a solid reaction product comprising a magnesium chloride, a titanium chloride and an electron donor, wherein the atomic ratio of chlorine to magnesium in the magnesium chloride is at least 1.5:1, and the electron donor is an ether, ester, amine, phenol or phosphine, present in a ratio of 0.01:1 to 5:1 mole of electron donor per atom of magnesium, with a chlorohydrocarbon having 1 to 12 carbon atoms in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a chloride of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 25
Independent Claim
134 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising contacting a solid reaction product comprising a magnesium chloride, a titanium chloride and an electron donor, wherein the atomic ratio of chlorine to magnesium in the magnesium chloride is at least 1.5:1, and the electron donor is an ether, ester, amine, phenol or phosphine, present in a ratio of 0.01:1 to 5:1 mole of electron donor per atom of magnesium, with a chlorohydrocarbon having 1 to 12 carbon atoms in liquid phase; ii optionally washing the resulting solid with an inert diluent to remove liquid remaining from the contacting step; iii contacting the resulting solid with a chloride of tetravalent titanium in liquid phase; and iv washing the resulting solid with an inert diluent to remove residual unreacted titanium compound.
Claim 26
Independent Claim
104 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising contacting a solid reaction product comprising magnesium dichloride, titanium tetrachloride and an aromatic ester electron donor in a ratio of 0.01 to 5 moles of electron donor per atom of magnesium with a chlorohydrocarbon having 1 to 12 carbon atoms, separating the solid reaction product from the reaction mixture, optionally washing it with an inert diluent to remove any unreacted material, thereafter contacting the resulting solid with titanium tetrachloride, separating the resulting solid from the liquid medium, and washing it with an inert diluent to remove all unreacted titanium compound.
Claim 27
Independent Claim
104 words
A method for the preparation of a solid component for olefin catalyst compositions, comprising contacting a solid reaction product comprising magnesium dichloride, titanium tetrachloride and an aromatic ester electron donor in a ratio of 0.01 to 5 moles of electron donor per atom of magnesium with a chlorohydrocarbon having 1 to 12 carbon atoms, separating the solid reaction product from the reaction mixture, optionally washing it with an inert diluent to remove any unreacted material, thereafter contacting the resulting solid with titanium tetrachloride, separating the resulting solid from the liquid medium, and washing it with an inert diluent to remove all unreacted titanium compound.
Claim 28
Independent Claim
20 words
A method according to claims 19 or 20 in which said chlorohydrocarbon has at least two chlorine atoms per molecule.
Claim 29
Dependent Claim
19 words
The method according to claim 20 wherein said chlorohydrocarbon is carbon tetrachloride and said electron donor is ethyl benzoate.
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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) | 1985-05-10 | 1985-11-09 | 1986-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-10 | 1989-11-09 | 1990-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-10 | 1993-11-09 | 1994-05-11 | $7700.00 | Window Closed / Lapsed |