Examples of 'alumoxanes' in a sentence
Meaning of "alumoxanes"
Alumoxanes are compounds formed from the reaction of aluminum alkoxides with water
How to use "alumoxanes" in a sentence
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alumoxanes
The alumoxanes can be prepared in various ways.
Mixtures of different alumoxanes can also be used.
The alumoxanes can be prepared in a variety of ways.
Mixtures of differents alumoxanes are suitable as well.
Alumoxanes are also readily available articles of commerce.
Mixtures of the above alumoxanes may also be employed.
Alumoxanes activate metallocene transition metal compounds.
Mixtures of different alumoxanes are suitable as well.
The activator may comprise one or more alumoxanes.
Modified alumoxanes can also be utilized.
Further suitable organometal compounds are alumoxanes.
Alumoxanes may also be utilized as an activator in the catalyst composition.
Aluminoxanes are also called alumoxanes.
The alumoxanes are most preferred.
Typical scavengers include trialkyl aluminum or boron compounds and alumoxanes.
See also
Modified alumoxanes are also preferred.
Polyethylenes that are produced using metallocene catalysts include ionizing activators as well as alumoxanes.
Alumoxanes can be prepared by various procedures known in the art.
Mixtures of different alumoxanes and modified alumoxanes may also be used.
Alumoxanes also exist in the configuration of cage or cluster compounds.
Both cyclic and linear alumoxanes as well as mixtures thereof are suitable.
Alumoxanes may be produced by the hydrolysis of the respective trialkylaluminum compound.
In a preferred embodiment modified alumoxanes are combined with the catalysts to form a catalyst system.
Alumoxanes are relatively high molecular weight polymeric aluminum oxide compounds.
Preferred supported catalysts and alumoxanes of this invention are used in gas phase or slurry.
The alumoxanes can be prepared by various methods known in the art.
Some of his early work also dealt with alumoxanes and ceramic nanomaterials.
Alumoxanes generally contain minor to substantial amounts of starting alkylaluminum compound.
This new generation of catalysts demands more efficient methods for producing and utilizing alumoxanes.
Preferred alumoxanes include methylalumoxane.
Non-aqueous process for the preparation of alumoxanes.
The metallocenes and alumoxanes are deposited on the dehydrated support material.
In other embodiments, the cocatalyst consists essentially of one or more alumoxanes.
Alumoxanes generally contain minor to substantial amounts of starting aluminum alkyl compound.
Co-activators include alumoxanes and aluminum alkyls.
Alumoxanes are also readily available articles of commerce generally as a solution in a hydrocarbon solvent.
As is now well known, alumoxanes can be prepared by various procedures.
Alumoxanes are well known as activators for metallocene-type catalysts.
Alumoxane compounds are comoosed of oligomeric linear and / or cyclic hydrocarbyl alumoxanes.
Commercially available alumoxanes are generally believed to be mixtures of linear and cyclic compounds.
Mixtures of different organometallic aluminum compounds and / or alumoxanes can also be used.
The alumoxanes known in the art can be used in the present invention.
Exemplary cocatalysts for the phosphinimine catalyst are alumoxanes and / or ionic activators.
In one embodiment modified alumoxanes are combined with the catalysts to form a catalyst system.
The process of claim 1 wherein the activator comprises alumoxanes or modified alumoxanes.
Scavenging compounds may also be alumoxanes and modified alumoxanes including methylalumoxane and modified methylalumoxane.
In yet other embodiments, the metal alkyl consists of one or more alumoxanes.
Alkyl alumoxanes such as MAO are most preferred.
Suitable cocatalysts are well known and include alkyl metal compounds, in particular alumoxanes.
Examples of commercial alumoxanes are methyl alumoxanes from Schering en Texas Alkyls.
