(Omega-alkenyl) (cyclopentacarbyl) metallocene compounds
AssigneePhillips Petroleum Company
InventorsMichael Jung, Helmut G. Alt, M. Bruce Welch
Life of this patent
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Abstract
An (omega-alkenyl) (cyclopentacarbyl) metallocene compound is provided. Polymerization processes therewith are also provided.
Claims40
A composition of matter having the following formula ##STR2## wherein M is a transition metal selected from group consisting of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, and the lanthanides;
- and
- wherein X is a alkyl, aryl, alkoxy, aryloxy, amide, hydride, or halogen;
- and
- wherein R is an (R.sup.1).sub.2 C.dbd.C(R)--(C(R.sup.1).sub.2).sub.n --C(R.sup.1).sub.2 -- group, and wherein n is from 0 to about 20, and wherein each R.sup.1 can be a hydrocarbyl having from 1 to about 20 carbon atoms;
- and
- wherein R.sup.3 can be hydrogen, alkyl, aryl, alkoxy, and aryloxy;
- and
- wherein R.sup.4 is a cyclopentacarbyl group.
A composition of matter having the following formula ##STR3## wherein M is zirconium;
- and wherein X is chlorine;
- and
- wherein R is an (R.sup.1).sub.2 C.dbd.C(R.sup.1)--(C(R.sup.1).sub.2).sub.n --C(R.sup.1).sub.2 -- group, and wherein n is from 0 to about 20, and wherein each R.sup.1 is hydrogen;
- and
- wherein R.sup.3 is hydrogen;
- and
- wherein R.sup.4 is selected from the group consisting of substituted and unsubstituted indenyl groups.
A process of using a composition of matter having the following formula ##STR4## wherein M is a transition metal selected from group consisting of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, and the lanthanides;
- and
- wherein X is a alkyl, aryl, alkoxy, aryloxy, amide, hydride, or halogen;
- and
- wherein R is an (R.sup.1).sub.2 C.dbd.C(R.sup.1)--(C(R.sup.1).sub.2).sub.n --C(R.sup.1).sub.2 -- group, and wherein n is from 0 to about 20, and wherein each R.sup.1 can be a hydrocarbyl having from 1 to about 20 carbon atoms;
- and
- wherein R.sup.3 can be hydrogen, alkyl, aryl, alkoxy, and aryloxy;
- and
- wherein R.sup.4 is a cyclopentacarbyl group;
- as a catalyst to polymerize monomers into polymers.
A process of using a composition of matter having the following formula ##STR5## wherein M is zirconium;
- and wherein X is chlorine;
- and
- wherein R is an (R.sup.1).sub.2 C.dbd.C(R.sup.1)--(C(R.sup.1).sub.2).sub.n --C(R.sup.1).sub.2 -- group, and wherein n is from 0 to about 20, and wherein each R.sup.1 is hydrogen;
- and
- wherein R.sup.3 is hydrogen;
- and
- wherein R.sup.4 is selected from the group consisting of substituted and unsubstituted indenyl groups
- as a catalyst to polymerize monomers into polymers.
Dependencies are inferred from the claim text.