Examples of 'catalyst compounds' in a sentence
Meaning of "catalyst compounds"
catalyst compounds: This term typically refers to substances that facilitate or speed up a chemical reaction without undergoing any permanent change themselves. Catalyst compounds are often used in various industrial processes and scientific experiments to accelerate reactions and increase efficiency
How to use "catalyst compounds" in a sentence
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catalyst compounds
A general overview of such catalyst compounds follows.
Such catalyst compounds typically do not recompose at polymerization temperatures.
It serves as a magnesium source for the manufacture of catalyst compounds.
Amine bisamide catalyst compounds are also useful herein.
The ligands of the cyclic bridged metallocene catalyst compounds can be achiral.
The single site catalyst compounds of the slurry can be spray dried.
These bridged compounds are known as bridged metallocene-type catalyst compounds.
Pyridine bisamide catalyst compounds are also useful herein.
Preferably, the slurry comprises a supported activator and two catalyst compounds.
This activation yields catalyst compounds capable of polymerizing olefins.
These bridged compounds are known as bridged, bulky ligand metallocene-type catalyst compounds.
One or more than one metallocene catalyst compounds may be employed.
The catalyst compounds described herein are combined with activators for use herein.
The first section discusses catalyst compounds that can be used in embodiments.
The catalyst compounds may be selected from various catalyst compounds described above including metallocenes.
See also
Addition of a larger amount of the catalyst compounds over the defined range is unnecessary.
Aluminoxanes, especially methyl aluminoxane, are well known cocatalyst for organometallic catalyst compounds.
Thermolatent or thermolabile catalyst compounds are known in principle to those skilled in the art.
The slurry may include one or more activators and supports, and one more catalyst compounds.
In another embodiment the catalyst compounds and activators used herein are not supported.
The compounds of Formula 2 are known as bridged, bulky ligand metallocene catalyst compounds.
This step aided in the selection of specific catalyst compounds and supports for further testing.
The metallocene catalyst compounds can include any combination of any embodiment discussed and described herein.
Catalyst compositions formed from metallocene-based catalyst compounds are preferred catalyst compositions.
The following catalyst compounds and continuity additives were used in the Examples.
In a preferred embodiment, the ligands of the metallocene catalyst compounds of formula ( I ) are asymmetrically substituted.
Suitable catalyst compounds can also be described as d - and f - block metal compounds.
The compounds of Formula IV are known as bridged, metallocene catalyst compounds.
Cyclic bridged metallocene catalyst compounds can be represented by the formula,.
This results in a mixture of 18 distinct organic catalyst compounds.
Preferably, these catalyst compounds are represented by one of the following formulas,.
As used herein, these are termed non-metallocene catalyst compounds.
In one embodiment, metallocene catalyst compounds of the invention are represented by the formula,.
In one embodiment, the slurry includes a support, an activator, and two catalyst compounds.
Preferred metallocene catalyst compounds useful in this invention are represented by the formula,.
The term " colloidal catalyst " includes, but is not limited to, molecular or molecularly-dispersed catalyst compounds.
In other embodiments, the catalyst compounds and activators used herein are not supported.
The catalyst compounds of the present invention may act as a " heterogeneous " catalyst or a " homogeneous " catalyst.
The one or more metallocene catalyst compounds can be represented by structure ( X ).
The catalyst compounds according to the invention can be prepared from 2 - or 3-indanone.
Similarly, additional activators or catalyst compounds may be added in-line.
Also included as catalyst compounds are those diimine based ligands of Group 8 to 10 metal compounds.
In one embodiment, the bulky ligand metallocene-type catalyst compounds are represented by the formula,.
Further, the metallocene catalyst compounds for the invention include monocyclopentadienyl heteroatom containing compounds.
Non-limiting examples of non-metallocene catalyst compounds can also be found in U. S.
The catalyst compounds may act as a " heterogeneous " catalyst or a " homogeneous " catalyst, preferably, a homogenous catalyst.
In another embodiment, the catalyst compounds are represented by the formula,.
In another embodiment, metallocene catalyst compounds described herein can be used with Bulky activators.
In one embodiment, catalyst compounds are represented by the formula,.
The ligands of the metallocene catalyst compounds of formula ( I ) and ( II ) can be asymmetrically substituted.
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