Examples of 'alkyl aluminum' in a sentence
Meaning of "alkyl aluminum"
alkyl aluminum: Refers to compounds that contain aluminum and alkyl groups. These compounds are commonly used in organic chemistry and industrial applications, such as catalysts in polymerization reactions or as reagents in various organic syntheses
How to use "alkyl aluminum" in a sentence
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alkyl aluminum
The cocatalyst is a modified alkyl aluminum compound.
Alkyl aluminum compounds are most preferred.
Alkylaluminum sesquioxides are preferred alkyl aluminum compounds.
As cocatalysts alkyl aluminum compounds and aluminoxanes are proposed as technical equivalents.
In an embodiment the alkyl metal halide may be an alkyl aluminum halide.
In an embodiment the alkyl aluminum halide may be an alkyl aluminum chloride.
Reducing agents used may be organoaluminum compounds such as aluminum alkyls and alkyl aluminum alkoxides.
The addition of an alkyl aluminum provides a scavenging agent for catalyst poisons.
A process according to any preceding claim wherein the alkyl aluminum compound is triethylaluminum.
Mixtures of different alkyl aluminum reagents in preparing an alumoxane may also be used.
The preferred Ziegler catalyst is prepared from a vanadium compound and an alkyl aluminum halide.
Two liters of isobutane and an alkyl aluminum cocatalyst were used in all examples.
Alkyl aluminum compounds useful as cocatalyst are well known to a person skilled in the art.
Triisobutylaluminum has proven to be an especially desirable alkyl aluminum compound for producing a hydroxyaluminoxane.
Isobutane and alkyl aluminum co-catalyst were used in all polymerization experiments.
See also
In an aspect the halide-containing compound may be an alkyl aluminum halide.
At least one alkyl aluminum compound as a cocatalyst ; and.
The most commonly used co-catalyst is an organoaluminum compound which is usually an alkyl aluminum.
As an aluminum compound, an alkyl aluminum such as a triethyl aluminum is used.
The process of claim 1, where the alkyl metal halide is an alkyl aluminum halide.
The co-catalyst can be either an alkyl aluminum derivative or an alkyl aluminoxane.
Contacting said hafnium compound with said salt in the substantial absence of alkyl aluminum compounds ;.
In a preferred embodiment, the alkyl aluminum alkoxide is diethyl aluminum ethoxide.
Preferred is a metal alkyl and, more preferred, an alkyl aluminum compound.
Two liters of isobutane and alkyl aluminum cocatalyst / scavenger were used in all examples.
Alkyl alminoxane, the alkyl aluminium, aluminum halide, and alkyl aluminum halide.
Among these, alkyl aluminum halides are preferred, and diethyl aluminum chloride is the most preferred.
Preferred reducing agents v include, for example, alkyl aluminum and alkyl aluminum halide compounds.
Use of an alkyl aluminum alkoxide such as diethylaluminum ethoxide ( DEALE ) eliminates the side branching.
The catalyst system of Claim 16 wherein the alkyl aluminum compound is an aluminoxane.
An alkyl aluminum compound, optionally in the presence of an electron-donor compound ( outside donor ).
In one embodiment, at least one alkyl aluminum is added to the process after Step 2.
An alkyl aluminum compound, optionally in the presence of an electron donor compound ( outside donor ).
Other electron withdrawing compounds can be trialkylaluminum, alkyl aluminum chloride, trialkyl borane, etc.
Typical cocatalysts are trialkyl aluminum compounds, dialkyl aluminum halide compounds, and alkyl aluminum dihalide compounds.
The process of Claim 1, wherein the co-catalyst is an alkyl aluminum compound.
The molar ratio alkyl aluminum compound / external donor is generally comprised between 2 and 30.
Catalysts according to claim 8, characterized in that the alkyl aluminum compound is an Al-trialkyl.
The alkyl aluminum compound ( B ) is preferably triethylaluminum.
Example 2, Pre-treatment of the magnesium containing carrier by an alkyl aluminum compound.
Preferred modifiers include C ₁ to C ₆ alkyl aluminum mono - and di - chlorides and boron trichloride.
The supported catalyst component according to Claim 11 wherein ( E ) is an alkyl aluminum halide.
The alkyl aluminum is triethyl aluminum, tri-isobutyl aluminum, or tri-n-hexyl aluminum.
The catalyst includes tin ( II ), zinc, calcium carboxylates, iron carboxylates, and alkyl aluminum compounds.
In another embodiment the alkyl aluminum is triethyl aluminum, tri-isobutyl aluminum, or tri-n-hexyl aluminum.
The process according to Claim 25 wherein ( E ) is an alkyl aluminum halide.
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