Claims
- 1. A process for producing at least one polymer of 1-olefins comprising:
- (a) subjecting at least one 1-olefin to polymerization conditions in the presence of a catalyst composition
- wherein said catalyst composition comprises at least one component being a halide of a metal selected from the group consisting of Groups IV, V, VI and VIII of the Periodic Chart of the Elements; and
- wherein said catalyst composition further comprises at least one component selected from the group consisting of elemental metal, organometal compounds and mixtures thereof, the metal being selected from Groups I, II and III of the Periodic Chart;
- to form a polymerization reaction mixture having therein said at least one polymer;
- (b) treating said polymerization reaction mixture with a alpha,beta-unsaturated ketone; P1 (c) separating said at least one polymer from said reaction mixture.
- 2. A process for producing at least one polymer of 1-olefins comprising:
- (a) subjecting at least one 1-olefin to polymerization conditions in the presence of a catalyst composition
- wherein said catalyst composition comprises at least one component being a halide of a metal selected from the group consisting of Groups IV, V, VI and VIII of the Periodic Chart of the Elements; and
- wherein said catalyst composition further comprises at least one component selected from the group consisting of elemental mental, organometal compounds and mixtures thereof, the metal being selected from Groups I, II and III of the Periodic Chart;
- to form a polymerization reaction mixture;
- (b) treating said polymerization reaction mixture with deashing agents consisting essentially of at least one alpha,beta-unsaturated ketone and at least one dicarbonyl compound;
- (c) separating said at least one polymer from said reaction mixture.
- 3. A process as recited in claim 1 wherein any unreacted portion of said alpha,beta-unsaturated ketone is separated from said reaction mixture along with residues of said catalyst composition and any chelated metals.
- 4. A process as recited in claim 2 wherein any unreacted portion of said alpha,beta-unsaturated ketone is separated from said reaction mixture along with residues of said catalyst composition and any chelated metals.
- 5. A process as recited in claim 1 wherein said at least one 1-olefin comprises a branched 1-olefin.
- 6. A process as recited in claim 5 wherein said branched 1-olefin comprises 4-methyl-1-pentene.
- 7. A process as recited in claim 5 wherein said at least one 1-olefin comprises a copolymer of a branched 1-olefin and a linear 1-olefin.
- 8. A process as recited in claim 2 wherein said at least one 1-olefin comprises a branched 1-olefin.
- 9. A process as recited in claim 8 wherein said branched 1-olefin comprises 4-methyl-1-pentene.
- 10. A process as recited in claim 8 wherein said at least one 1-olefin comprises a copolymer of a branched 1-olefin and a linear 1-olefin.
- 11. A process as recited in claim 1 wherein said at least one alpha,beta-unsaturated ketone is one selected from the group of ketones within the formula: ##STR6## wherein R.sub.1 and R.sub.2 are hydrogen or alkyl or alkoxy groups having 1 to about 8 carbon atoms; and
- wherein R.sub.3 is an alkyl or alkoxy group having 1 to about 8 carbon atoms; and
- wherein R.sub.1, R.sub.2 and R.sub.3 can be the same or different.
- 12. A process as recited in claim 2 wherein said at least one dicarbonyl compound is one selected from the group of (a) compounds of the general formula: ##STR7## and (b) compounds of the general formula: ##STR8## wherein R and R.sub.2 are groups selected from alkyl, cycloalkyl, aryl, aralkyl, alkaryl, alkylcycloalkyl, cycloalkyalkyl groups and structures wherein R and R.sub.2 are joined to form a cyclic structure;
- wherein R and R.sub.2 do not have to be the same;
- wherein R.sub.1 is selected from the group of hydrogen, alkyl, cycloalkyl, aryl, alkaryl, aralkyl, alkylcycloalkyl, and cycloalkylalkyl groups;
- wherein R.sub.1 does not have to be the same as R;
- wherein R.sub.1 does not have to be the same as R.sub.2 ;
- wherein R.sub.3 is selected from the group of alkyl, cycloalkyl, aryl, aralkyl, alkaryl, alkylcycloalkyl, cycloalkylalkyl and OR.sub.5 groups;
- wherein R.sub.4 is selected from the group of hydrogen and alkyl, cycloalkyl, aryl, aralkyl, alkaryl, alkylcycloalkyl, cycloalkylalkyl and OR.sub.5 groups;
- wherein R.sub.3 and R.sub.4 do not have to be the same;
- wherein R.sub.5 is selected from the group of alkyl, cycloalkyl, aryl, aralkyl, alkaryl, alkylcycloalkyl, cycloalkylalkyl;
- wherein R.sub.3 and R.sub.5 do not have to be the same; and
- wherein R.sub.4 and R.sub.5 do not have to be the same.
- 13. A process as recited in claim 1 wherein said at least one alpha,beta-unsaturated ketone is selected from the group of 4-methyl-3-pentene-2 -one, 4-methyl-3-hexene-2-one, 4-methyl-3 -heptene-2 -one, 4-methyl-3-octene-2 -one, 4-ethyl-3-heptene-2-one, 4-ethyl-3-octene-2-one, 2-methyl-2-hexene-4-one, 2-methyl- 2-heptene-4-one, 2-methyl-2-octene-4-one, 3-methyl-3-heptene-4-one, 3-methyl-3-octene-4-one, and mixtures thereof.
- 14. A process as recited in claim 1 wherein said at least one alpha,beta-unsaturated ketone is mesityl oxide.
- 15. A process as recited in claim 2 wherein said at least one dicarbonyl compound is selected from the group of 2,4-pentanedione (acetylacetone), 2,4-hexanedione, 2,4-heptanedione, 5-methyl-2,4-hexanedione, 2,4-octanedione, 5,5-dimethyl-2,4-hexanedione, 3-ethyl-2,4-pentanedione, 2,2-dimethyl -3,5-nonanedione, 1-cyclohexyl-1,3-butanedione, 5,5-dimethyl-1,3-cyclohexanedione, 1-phenyl-1,3-butanedione, 1-(4-biphenylyl)-1,3 -butanedione, 1-phenyl-1,3-pentanedione,1-phenyl-5,5-dimethyl-2,4-hexanedione, 1,3-diphenyl-1,3-propanedione, 1,4-diphenyl-1,3-butanedione, 1-phenyl-2-benzyl-1,3-butanedione, 1-phenyl-3-benzyl-9,11-nonadecanedione, 8,10-heptadecanedione, 8-ethyl-7,9 -heptadecanedione, 6-octyl-5,7 -undecanedione, 4-phenyl-3,5-heptanedione, 1,3-cyclohexanedione, ethyl acetoacetate, methyl acetoacetate, n-propyl acetoacetate, isopropyl acetoacetate, tert-butyl acetoacetate, diethyl malonate, dimethyl malonate, di-n-propyl malonate, diisopropyl malonate, di-tert-butyl malonate, octyl acetoacetate, heptyl acetoacetate, phenyl acetoacetate, diphenyl malonate, dicyclohexyl malonate, dicyclohexyl octylmalonate, dihexyl phenylmalonate, ethyl 3-oxopentanoate, octyl-3-oxoundecanoate, methyl 3-oxo-4-phenylbutanoate, ethyl 3-oxo-5-phenylpentanoate, octyl 3-oxo-2-phenylundecanoate, octyl 3-oxo-2-octylundecanoate, cyclohexyl 3-oxo-6-cyclopentylhexanoate, and mixtures thereof.
- 16. A process as recited in claim 2 wherein said at least one dicarbonyl compound is acetylacetone.
- 17. A process as recited in claim 1 wherein said catalyst composition further comprises a prepolymer catalyst.
- 18. A process as recited in claim 17 wherein said prepolymer catalyst comprises a 1-olefin polymer.
- 19. A process as recited in claim 2 wherein said catalyst composition further comprises a prepolymer catalyst.
- 20. A process as recited in claim 19 wherein said prepolymer catalyst comprises a 1-olefin polymer.
- 21. A process as recited in claim 1 wherein said at least one 1-olefin comprises 4-methyl-1-pentene;
- wherein said catalyst composition comprises titanium trichloride and a diethylaluminum chloride cocatalyst; and
- wherein said alpha,beta-unsaturated ketone is mesityl oxide.
- 22. A process as recited in claim 2
- wherein said at least: one 1-olefin comprises 4-methyl-1-pentene;
- wherein said catalyst composition comprises titanium trichloride and a diethylaluminum chloride cocatalyst.
- wherein said alpha,beta-unsaturated ketone is mesityl oxide; and
- wherein said dicarbonyl compound is acetylacetone.
Parent Case Info
This application is a continuation of application Ser. No. 07/769,902, now abandoned.
US Referenced Citations (7)
Continuations (1)
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Number |
Date |
Country |
Parent |
769902 |
Oct 1991 |
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