Examples of 'magnesium halide' in a sentence
Meaning of "magnesium halide"
magnesium halide: A chemical compound composed of magnesium and a halogen element, commonly used in photography, medicine, or as a drying agent
How to use "magnesium halide" in a sentence
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magnesium halide
Preferably the magnesium halide is magnesium dichloride.
A suitable alkaline earth halide is a magnesium halide.
The preferred magnesium halide is magnesium chloride.
Suitably the catalyst is a metal catalyst or a magnesium halide.
The result is a magnesium halide based support.
The said titanium compounds are suitably supported on a magnesium halide.
A preferred magnesium halide is magnesium chloride.
A typical procatalyst is made up of a titanium halide compound supported on a magnesium halide.
Preferred alkyl magnesium halide is ethyl magnesium bromide.
The transition metal halide may be supported on a magnesium halide or complexed thereto.
The vinyl magnesium halide used is preferably the bromide.
A suitable support is for example a magnesium halide in an active form.
Various proposals have been made as a method of synthesizing the fluoroaryl magnesium halide.
Preferably as a phenyl magnesium halide phenyl magnesium bromide is used.
The reactions indicated above bring to the formation of activated magnesium halide.
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Alkyl lithium or alkyl magnesium halide is preferably used as the base.
The catalyst system may additionally comprise at least one aluminium or magnesium halide.
And the action of elemental sulfur on phenyl magnesium halide or phenyllithium followed by acidification.
The magnesium halide is generally distributed uniformly over the inorganic metal oxide.
The reactions described above produce a magnesium halide in active form.
The pentafluorophenyl magnesium halide as a Grignard reagent used in the above United States Patent No.
Byproducts of this preparation include magnesium halide and soluble halide.
Further, the magnesium halide may form the solid support.
The above reactions cause the formation of magnesium halide in active form.
Preferably, a magnesium halide and more particularly magnesium chloride or bromide are preferred.
One suitable technique involves mixing of a magnesium halide with a transition metal compound.
Said solution is mixed with a solvent A which does not dissolve said magnesium halide.
These catalysts generally include a magnesium halide support and one or two transition metal compounds.
The reactions mentioned above bring about the formation of magnesium halide in active form.
The most preferred magnesium halide is an anhydrous and dry magnesium dichloride MgCl ₂.
The preparations indicated above lead to the formation of magnesium halide in active form.
The phenyl magnesium halide is preferably phenyl magnesium bromide, or phenyl magnesium chloride.
Dioxane is used to facilitate the precipitation of the magnesium halide salt as shown below.
In one embodiment, the magnesium halide crystal lattice is a magnesium dichloride crystal lattice.
The reactions indicated above bring to the formation of magnesium halide in active form.
Spherical magnesium halide adduct, a catalyst component and a catalyst for olefin polymerization prepared therefrom.
The reactions indicated above bring about the formation of magnesium halide in active form.
Magnesium halide support was prepared as described for Example 4.
The Lewis acids may be supported on the magnesium halide substrate by any suitable technique.
In one embodiment, the magnesium compound having no reducibility is a magnesium halide.
Preferably the magnesium halide is MgCl ₂.
M is a metallic salt, such as lithium or magnesium halide.
Here, it is possible to remove the magnesium halide contained in a suspended state by filtration.
Process of claim 7 characterized in that the catalyst is a metal catalyst or a magnesium halide.
In a more preferred embodiment, the magnesium halide is magnesium chloride.
In particular, the said catalyst component comprises a titanium compound supported on a magnesium halide.
Particularly preferred supports are adducts of a magnesium halide with an aliphatic alcohol, preferably ethanol.
The method of claim 1, wherein said organomagnesium compound is a dihydrocarbyl magnesium or a hydrocarbyl magnesium halide.
Process of claim 1, wherein the alkyl or aryl magnesium halide is ethyl magnesium bromide.
The chlorine may directly emanate from the titanium halide and / or the magnesium halide.
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