Examples of 'aluminoxane' in a sentence
Meaning of "aluminoxane"
aluminoxane (noun) - A class of compounds used as co-catalysts in the production of polyethylene and polypropylene
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- a class of organometallic compounds of aluminium having general formula R₂Al-O-AlR₂; they are used as catalysts in the polymerization of epoxides and oxetanes to form polyether elastomers.
How to use "aluminoxane" in a sentence
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aluminoxane
The most highly preferred aluminoxane is methylaluminoxane.
The currently most preferred cocatalyst is an aluminoxane.
Suitable aluminoxane preparations are commercially available.
The metallocene component is activated with an aluminoxane.
A particularly preferred aluminoxane is methyl aluminoxane.
The cocatalyst may also be an aluminoxane.
A particularly useful aluminoxane compound is methylaluminoxane.
The cocatalyst can also be an aluminoxane.
One example of how an aluminoxane can be prepared is as follows.
The aluminoxane is commercially available in various forms of hydrocarbon solutions.
One example of how an aluminoxane may be prepared is as follows.
Aluminoxane compounds are not required to form the catalyst composition.
An especially useful aluminoxane compound is methylaluminoxane.
Such a phenomenon is particularly important when the activator is an aluminoxane.
A particularly suitable aluminoxane compound is methylaluminoxane.
See also
An aluminoxane to facilitate olefin polymerization.
The exact structure of the aluminoxane is not known.
The aluminoxane can be obtained according to various known methods.
The metallocene compound or the aluminoxane is supported on a carrier material.
The aluminoxane may contain a small amount of an organometallic component.
Preference is given to an aluminoxane as cocatalyst.
The aluminoxane is preferably oligomeric.
This organometallic derivative of aluminium is preferably an aluminiumalkyl or an aluminiumalkylhalide or an aluminoxane.
Preformed aluminoxane can be included in the solution as reaction moderator.
Moreover the activator is an aluminoxane.
The aluminoxane can be prepared in various ways by known methods.
The most commonly used cocatalyst for metallocenes is aluminoxane.
The aluminoxane serves as an activator and for removing impurities.
Olefin polymerization utilizing this supported catalyst activated by an aluminoxane was presented.
The aluminoxane is preferably a methylaluminoxane.
Naturally supported catalysts are those which employ an aluminoxane as a morphology template.
The alkyl aluminoxane can be prepared by various conventional methods.
Care should be taken to avoid contacting the aluminoxane with water.
Mixtures of different aluminoxanes and modified aluminoxane may also be used.
Such metallocene complexes are typically used in the presence of aluminoxane cocatalysts.
In addition mixtures of both aluminoxane and boron derivatives can be used as cocatalysts.
Continuous process with prenol as reactant and continuous dosing to aluminoxane.
There are a variety of methods for preparing aluminoxane and modified aluminoxanes.
Borate compounds have been use in place of large amounts of methyl aluminoxane.
The aluminoxane can be used to activate the metallocene for polymerization activity.
In preparing the catalyst composition comprising an aluminoxane is also disclosed herein.
During contacting the aluminoxane is impregnated into the inert carrier material.
A cocatalyst consisting of aluminoxane.
The aluminoxane is commercially available in the form of various types of hydrocarbon solutions.
Gel formation is undesirable because it causes the aluminoxane to be difficult to handle.
Suitable amounts of aluminoxane cocatalyst will be well known to the skilled man.
The amount of metallocene added to the suspension is linked to the amount of aluminoxane.
The reaction between the aluminoxane and the metallocene is relatively rapid.
It is preferred that the metallocene is contacted with a soluble aluminoxane to form a catalyst.
The aluminoxane may be modified with an aluminium alkyl or aluminium alkoxy compound.
