Abstract:
The present invention provides a process for preparing ethylene and propylene, comprising the step of: a) contacting a feed comprising methanol, ethanol and C4+ olefins with a catalyst, comprising ZSM-5 having a silica to alumina ratio in the range of from 40 to 100, at a temperature in the range of from 350 to 1000°C to obtain a olefinic product comprising ethylene and propylene.
Abstract:
There is disclosed a method of coupling and integrating natural gas recovery and separation along with chemical conversion. In one embodiment, the method comprises extracting at least one natural gas component from a natural gas stream. Non-limiting examples of the component that can be extracted include ethane, propane, butanes, and pentanes. There is also disclosed a method that comprises contacting a natural gas stream with a catalyst under conditions that selectively convert the natural gas component into at least one product, such as ethylene, acetic acid, polyethylene, vinyl acetate, ethylene vinyl acetate, ethylene oxide, ethylene glycol, and their derivatives, propylene, polypropylene, propylene oxide, propylene glycol, acrylates, acrolein, acrylic acid, butenes, butadiene, methacrolein, methacrylic acid, methacrylates, and their derivatives. The products can then be separated from the remaining components of the natural gas stream. There is also disclosed a method of integrating the production of ethylene, acetic acid, and/or vinyl acetate with the polymerization of ethylene-based polymers, such as polyethylene, ethylene vinyl acetate, ethylene vinyl alcohol, polyvinyl acetate, and polyvinyl alcohol.
Abstract:
A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene; (b) at least one oxidant, wherein the at least one oxidant includes a peroxomonosulfate triple salt oxidant, and wherein the at least one oxidant is less than about 2.0 equivalents to C=C; (c) at least one solvent, (d) at least one basic compound, and (e) optionally, at least one catalyst; under conditions to form a divinylarene dioxide product.
Abstract:
There is disclosed a method of coupling and integrating natural gas recovery and separation along with chemical conversion. In one embodiment, the method comprises extracting at least one natural gas component from a natural gas stream. Non-limiting examples of the component that can be extracted include ethane, propane, butanes, and pentanes. There is also disclosed a method that comprises contacting a natural gas stream with a catalyst under conditions that selectively convert the natural gas component into at least one product, such as ethylene, acetic acid, polyethylene, vinyl acetate, ethylene vinyl acetate, ethylene oxide, ethylene glycol, and their derivatives, propylene, polypropylene, propylene oxide, propylene glycol, acrylates, acrolein, acrylic acid, butenes, butadiene, methacrolein, methacrylic acid, methacrylates, and their derivatives. The products can then be separated from the remaining components of the natural gas stream. There is also disclosed a method of integrating the production of ethylene, acetic acid, and/or vinyl acetate with the polymerization of ethylene-based polymers, such as polyethylene, ethylene vinyl acetate, ethylene vinyl alcohol, polyvinyl acetate, and polyvinyl alcohol.
Abstract:
A process for preparing a divinylarene dioxide including (a) reacting at least one divinylarene with hypochlorous acid to form a chlorohydrin; and (b) treating the chlorohydrin formed in step (a) with at least one base, under conditions to form a divinylarene dioxide product.
Abstract:
Novel methods of synthesizing 1-deoxy-sphingoid bases and derivatives are disclosed. The synthesis is achieved from commercially available and inexpensive starting materials. The process includes thioesterification, cross-coupling, and reduction. The process may also include directed epoxidation, regioselective epoxide-opening, hydrogenation, and dihydroxylation. The methods described herein provide 1-deoxy-sphingoid bases and derivatives in high overall yield and high enantiomeric purity.
Abstract:
Compounds useful as plasticizers and the synthesis thereof are disclosed. In general, the invention includes process of esterifying biobased alcohols to make biobased ester plasticizers and the plasticizers made by such processes.
Abstract:
This invention is directed to novel mixed transition metal iron (II/III) catalysts for the extraction of oxygen from CO2 and the selective reaction with organic compounds.
Abstract:
A curable composition comprising (a) at least one low viscosity epoxide resin compound having the following chemical structure: (I) wherein R 1 and R 2 are hydrogen or a hydrocarbon group having from 1 to 20 carbon atoms, with the proviso that R 1 and R 2 are not both hydrogen, and (b) at least one curing agent or UV photoinitiator; and a thermoset prepared from the above curable composition.