Metal alkyls is a class of organometallic compounds that
contains a carbon - to - metal sigma bond. Metal alkyl derivatives of
transition metal are s - bonded organometallics. There are various routes by
which the metal alkyls can be synthesized. They play an important role in the
process of the Ziegler-Natta type, single-site, and other specialized catalyst
systems. Key metal alkyls include aluminum, lithium, boron, zinc, and magnesium
alkyl. Metal alkyls are mostly chemically reactive and flammable. They also
react with air or water. Metal
alkyls are used in polymer production, synthesis of fine chemicals,
pharmaceuticals, and processes for production of semiconductor devices and
photovoltaic modules. They are also used in various every day products such as
packaging materials, fibers, and adhesives. Metal alkyls are produced by a
variety of methods and chemical processes.
Some of the metal alkyls are Metal alkyls Diethylaluminum
Chloride (DEAC), Diethylaluminum Ethoxide (DEALOX), Diisobutylaluminum Hydride
(DIBAH), Ethylaluminum Dichloride (EADC), Ethylaluminum Sesquichloride (EASC),
Triethylaluminum (TEAl), and Triisobutylaluminum (TIBA). For example,
Triethylaluminum (TEAl) is primarily used as a cocatalyst in the Ziegler-Natta
polymerization of olefins. It is also used as an intermediate in the
manufacture of other organometallic compounds, for ethylene oligomerization in
the production of olefins, and for the manufacture of fatty alcohols.
Metal alkyls are used in a wide range of applications. The
primary area of application of metal alkyls is polymerization of olefins and
dienes by Ziegler-Natta (ZN) catalyst systems. Metal alkyls and aluminoxane are
also used as catalyst in various related technologies that are extensions of
Ziegler chemistry. These include oligomerization of ethylene, dimerization and
cyclodimerization of olefins and dienes, and ring-opening polymerization. Metal
alkyls are used in the production of polypropylene, polyethylene, and several
types of synthetic rubber. These are then used in consumer products such as
plastic packaging, toys, and automotive parts.
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Aluminum and zinc alkyls are the popular metal alkyl compounds
used in the CVD process. These alkyl compounds are suitable for producing
sulfide and oxide films. In case of aluminum, alkyls of higher molecular weight
alkyls are generally used since less amount of unwanted carbon is embedded into
films. Typically, metal alkyls react with oxygen, water, sulfur, and other
basic reagents to create the desired film composition.
Increase in demand for metal alkyls owing to the growth in the
polymer sector and chemical synthesis is the key factor driving the market.
Metal alkyls are employed as catalysts in the production of polymers, which, in
turn, are used in the production of textiles. This is likely to augment the
demand for metal alkyls during the projected period. Chemical reactivity to air
and water, and difficulty in transportation are the major restraints of the
metal alkyls market. High cost of research and development also acts as a key
restraint of the global metal alkyls market.
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Based on region, the metal alkyls market can be segmented into
North America, Europe, Asia Pacific, Latin America, and Middle East &
Africa. Asia Pacific is the dominant region of the metal alkyl market due to
the rise in demand for catalysts in the manufacture of chemicals. The metal
alkyls market in North America and Europe is anticipated to expand due to
presence of a large number of manufacturers in these regions.
Key participants in the global metal alkyls market include
AkzoNobel, Gulbrandsen, Albemarle Corporation, and LANXESS.
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