A method for producing a particulate aluminum alloy involves pulverizing an aluminum alloy in a hydrocarbon solvent in the presence of an organic aluminum compound. Methods for producing trialkylaluminum involve reacting an aluminum-magnesium alloy with an alkyl halide in the presence of a nitrogen-containing organic compound to obtain a trialkylaluminum-containing reaction product, and reacting an aluminum-magnesium alloy and an alkyl halide. A highly active, low viscosity composition containing the particulate aluminum alloy and a method for producing the particulate aluminum alloy-containing composition are also described.

The present disclosure relates to an aluminum compound, an aluminum-containing film-forming precursor composition including the aluminum compound, and a method of preparing an aluminum-containing film using the aluminum-containing film-forming precursor composition.

The present disclosure relates to a capped dual-headed organoaluminum composition having the formula (I) and processes to prepare the same. In at least one aspect, the capped dual-headed organoaluminum compositions can be used in olefin polymerization.

The present invention relates to precursor compounds, and more particularly to nonpyrophoric precursor compounds suitable for use in thin film deposition through atomic layer deposition (ALD) or chemical vapor deposition (CVD), and to an ALD/CVD process using the same.

The present invention relates to a polycyclic aromatic derivative compound that can be employed in an organic layer in a device, and an organoelectroluminescent device with high-efficiency and a long-life, including same and having remarkably improved luminous efficiency, and the device employing same can be efficiently utilized in a variety of displays and lighting devices, such as a flat panel display device, a flexible display device, a single color or white flat lighting device, and a single color or white flexible lighting device.

Catalyst activators and methods for their preparation and their use in processes for polymerizing olefms are described. In particular, catalyst activators derived from aluminum alkyls and their use with metallocene type catalyst systems and/or conventional-type transition metal catalyst systems are described.

A process for continuous purification of high-purity trimethylaluminum is provided. The process includes preparing a membrane separator, which is placed vertically for use, and arranging a condenser tube inside of the membrane separator and a heating tube outside of the membrane separator, and a disperser at the top of the membrane separator for dispersing a liquid. The liquid naturally flows down along the inner wall of the heating tube by gravity to form a membrane. The process further includes concentrating liquid components having a low boiling point which are collected by the condenser at different stages and concentrating liquid components having a high boiling point which are collected by the heating wall.

The invention relates to lithium alkyl aluminates according to the general formula Li[AlR.sub.4] and to a method for preparing same, starting from LiAlH.sub.4 and RLi in an aprotic solvent. The invention also relates to compounds according to the general formula Li[AlR.sub.4] which can be obtained using the claimed method, and to the use thereof. The invention also relates to the use of a lithium alkyl aluminate Li[AlR.sub.4] as a transfer reagent for transferring at least one radical R to an element halide or metal halide and to a method for transferring at least one radical R to a compound E(X).sub.q for preparing a compound according to the general formula E(X).sub.q-pR.sub.p, where E=aluminium, gallium, indium, thallium, germanium, tin, lead, antimony, bismuth, zinc, cadmium, mercury, or phosphorus, X=halogen, q=2, 3 or 4, and p=1, 2, 3 or 4. The invention also relates to compounds which can be obtained using such a method, to the use thereof, and to a substrate which has an aluminium layer or a layer containing aluminium on one surface.

The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

The current disclosure relates to a composition for depositing group 13 metal-containing material on a substrate. The composition comprises a metal alkyl precursor, wherein the metal alkyl precursor comprises a group 13 metal atom and two different alkyl ligand types. The first ligand type is a branched C4 to C8 alkyl bonded to the group 13 metal atom through a carbon atom that is bonded to three carbon atoms, and the second ligand type is a linear C1 to C4 alkyl. The group 13 metal atom is bonded to two ligands of the first ligand type, and the ratio of first ligand type to second ligand type in the composition is about two to one. Further, the disclosure relates to methods of manufacture of compositions and their uses, as well as methods of depositing material on a substrate.