US4376064A
Expired / Lapsed
US
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Catalyst and process for production of polyolefins of improved morphology
Assignee: BP Corp North America Inc
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Filing: 1981-05-26
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Granted: 1983-03-08
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Expires: 2001-05-26
Abstract
Abstract Catalyst for production of polyolefins of improved morphology comprises (A) organometallic promoter and (B) product obtained by contacting (1) at least one oxygenated compound of phosphorus with (2) catalytic complex comprising an intimate association of at least one reduced Group IVB-VB metal halide, at least one divalent metal halide and at least one aluminum compound. Oxygenated phosphorus compound is used in an amount effective to improve polymer morphology without substantial adverse effects on other catalytic properties.
Inventors
- 👤 Glen R. Hoff
- 👤 Peter Fotis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:02
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
77 words
A catalyst composition comprising (A) an organometallic promoter and (B) a component prepared by contacting (1) a supported catalyst complex comprising an intimate association of at least one reduced Group IVB or VB metal halide, at least one divalent metal halide and at least one compound of aluminum with (2) at least one oxygenated compound of phosphorus having at least one oxygen atom double-bonded to phosphorus in an amount and under conditions effective to improve polymer morphology.
Claim 2
Dependent Claim
77 words
A catalyst composition comprising (A) an organometallic promoter and (B) a component prepared by contacting (1) a supported catalyst complex comprising an intimate association of at least one reduced Group IVB or VB metal halide, at least one divalent metal halide and at least one compound of aluminum with (2) at least one oxygenated compound of phosphorus having at least one oxygen atom double-bonded to phosphorus in an amount and under conditions effective to improve polymer morphology.
Claim 3
Dependent Claim
48 words
The catalyst composition of claim 1 wherein the oxygenated compound of phosphorus is selected from the group consisting of the oxyacids, oxyhalides, organic and/or oxygenated organic derivatives of the oxyhalides, phosphorus acid esters, halogen-substituted derivatives of the esters, condensed oxygenated compounds containing recurring P-O units and mixtures thereof.
Claim 4
Dependent Claim
68 words
The catalyst composition of claim 2 wherein the solid complex comprises an intimate association of reduced titanium chlorides, magnesium chloride and at least one aluminum compound wherein titanium content ranges from about 6 to about 20 wt.%, magnesium content ranges from about 7 to about 25 wt.%, aluminum content ranges from about 2 to about 15 wt.% and chlorine content ranges from about 50 to about 70 wt.%.
Claim 5
Dependent Claim
35 words
The catalyst composition of claim 3 wherein the oxygenated compound of phosphorus is at least one C 1-8 alkyl or aryl derivative of phosphorus oxytrichloride or C 1-8 alkyl or aryl phosphate, phosphonate or phosphite.
Claim 6
Dependent Claim
99 words
A catalyst composition comprising an organometallic promoter and a component prepared by contacting (A) a reaction product of components comprising (1) at least one higher valent Group IVB or VB metal compound, (2) a support material comprising at least one catalytically inert divalent metal compound and (3) at least one organoaluminum compound corresponding to the formula AlR n X 3-n , wherein R is hydrocarbyl, X is halogen, and 0<n≦3, with (B) at least one oxygenated compound of phosphorus having at least one oxygen atom double-bonded to phosphorus in an amount and under conditions effective to improve polymer morphology.
Claim 7
Dependent Claim
99 words
A catalyst composition comprising an organometallic promoter and a component prepared by contacting (A) a reaction product of components comprising (1) at least one higher valent Group IVB or VB metal compound, (2) a support material comprising at least one catalytically inert divalent metal compound and (3) at least one organoaluminum compound corresponding to the formula AlR n X 3-n , wherein R is hydrocarbyl, X is halogen, and 0<n≦3, with (B) at least one oxygenated compound of phosphorus having at least one oxygen atom double-bonded to phosphorus in an amount and under conditions effective to improve polymer morphology.
Claim 8
Dependent Claim
45 words
The catalyst composition of claim 5 wherein (B) is at least one oxyacid of phosphorus, oxyhalide of phosphorus, organic and/or oxygenated organic derivative of a phosphorus oxyhalide, phosphorus acid ester, halogen-substituted derivative of a phosphorus acid ester, or condensed oxygenated compound containing recurring P-O units.
Claim 9
Dependent Claim
39 words
The catalyst of claim 6 wherein (A) (2) comprises at least one magnesium compound selected from the group consisting of the chloride, oxide, alkoxide and dialkyl phosphates containing 1 to about 6 carbon atoms per alkoxy or alkyl group.
Claim 10
Dependent Claim
59 words
The catalyst composition of claim 7 wherein (A) (1) is a titanium(IV) chloride, alkoxide or alkoxychloride containing 1 to about 8 carbons per alkoxy group or a combination of said titanium (IV) compound with at least one zirconium(IV) or vanadium(III), (IV) or (V) chloride, alkoxide, alkoxychloride, oxychloride, oxyalkoxide or oxyalkoxychloride containing 1 to about 8 carbons per alkoxy group.
Claim 11
Dependent Claim
38 words
The catalyst composition of claim 8 wherein (A) (3) comprises at least one compound corresponding to the formula AlR n X 3-n , wherein R is alkyl of 1 to about 6 carbons, X is chlorine and 0<n≦3.
Claim 12
Dependent Claim
31 words
The catalyst composition of claim 9 wherein (B) is at least one C 1-8 alkyl or aryl derivative of phosphorus oxytrichloride or C 1-8 alkyl or aryl phosphate, phosphonate or phosphite.
Claim 13
Dependent Claim
52 words
The catalyst composition of claim 10 wherein (A) (1) comprises TiCl 4 , Ti(OC 4 H 9 ) 4 or a mixture thereof, (A)(2) comprises Mg(OC 2 H 5 ) 2 and (A) (3) comprises Al(C 2 H 5 ) 2 Cl, Al(C 2 H 5 )Cl 2 or a mixture thereof.
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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) | 1986-03-07 | 1986-09-06 | 1987-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-03-07 | 1990-09-06 | 1991-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-03-07 | 1994-09-06 | 1995-03-08 | $7700.00 | Window Closed / Lapsed |