Abstract:
In one embodiment, a parallel batch reactor for effecting chemical reactions includes a vessel block (24) comprising reactor vessels (32) for receiving components of a reaction and a valve block (23) removably attached to the vessel block. The valve block (22) includes a first plurality of valves (72) in fluid communication with an inlet port for supplying pressurized fluid to the reactor vessels. (32) and configured to fluidically isolate one or more of the reactor vessels from (32) at least one of the other reactor vessels (32) The valve block (22) further includes a second plurality of valves (76) in fluid communication with the reactor vessels for injecting chemical components into the pressurized reactor vessels (32) or sampling chemical components from the pressurized reactor vessels (32) The vessel block (26) and valve block (22) are configured to sustain an operating pressure of at least 15 psig. A stirring assembly (26) may also be present.
Abstract:
New ligands, compositions, metal-ligand complexes and arrays with pyridylamine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
Abstract:
Arrays of ionic liquids are provided for combinatorial materials science research. These ionic liquids may be characterized by the general formula A B where A represents any stable inorganic or organic cation and B represents any stable organic or inorganic anion. The uses for such arrays are as co-solvents in various chemical reactions.
Abstract:
The present invention discloses methods and materials for constructing combinatorial libraries composed of organometallic compounds immobilized on solid supports and encoded with detectable tags. The encoded library of organometallic compound is especially useful for rapidly screening large numbers of member compounds for catalytic performance. These immobilized catalysts can be pooled in a single reactor where they are screened for a predefined property, such as catalytic activity and selectivity.