Patent classifications
B01J31/0279
DIRECT SYNTHESIS OF ORGANOTIN ALKOXIDES
Synthesis techniques are described for forming organotin trialkoxide compounds via direct alkylation of tin alkoxides. A first method involves reacting an alkali metal tin trialkoxide with an organohalide compound (RX.sub.n, where X is a halide atom and n?1) to form a monoorgano tin trialkoxide represented by the formula R[Sn(OR).sub.3].sub.n. The method can be used to form polytin trialkoxide compounds with a plurality of radiation sensitive CSn bonds. R and R include organo groups and can optionally comprise hetero-atoms and/or unsaturated bonds. A second method involves the ultraviolet light-driven reaction of a di-tin tetraalkoxide with an organohalide compound (RX) to form a monoorgano trialkoxide represented by the formula RSn(OR).sub.3. A third method involves the visible or ultraviolet light-driven reaction of a di-tin tetraalkoxide or an alkali metal tin trialkoxide with an fluorinated organohalide compound (R.sup.FX) to form a fluorinated monoorgano trialkoxide represented by the formula R.sup.FSn(OR).sub.3. The disclosed methods provide for high mono-organo specificity. Corresponding organotin trialkoxide compositions are also described. The compositions are useful for radiation patterning, especially with EUV radiation. The organotin trialkoxide compositions may be formed as radiation-patternable coatings on substrates.
LIQUID PHASE OXIDATION OF LOWER ALKANES TO OXYGENATES
A liquid phase selective oxidation process is described. The process involves the partial oxidation of alkanes to partially oxidized products. A lower alkane, a solvent, and a soluble metal catalyst are contacted in the presence of an oxidizing agent in a reaction zone under partial oxidation conditions to produce the partially oxidized products. The partially oxidized products include one or more of lower alkyl alcohols, lower alkyl ketones, and lower alkyl acetates. The soluble metal catalyst is a soluble metal salt of cobalt, manganese, chromium, titanium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, zirconium, or combinations thereof, and the promoter comprises a bromine source, an imide source, or combinations thereof.
Devices for electrocatalytic conversion of carbon dioxide
An electrocatalytic device for carbon dioxide conversion includes a cathode with a Catalytically Active Elementa metal in the form of supported or unsupported particles or flakes with an average size between 0.6 nm and 100 nm. The reaction products comprise at least one of CO, HCO.sup., H.sub.2CO, (HCOO).sup., HCOOH, CH.sub.3OH, CH.sub.4, C.sub.2H.sub.4, CH.sub.3CH.sub.2OH, CH.sub.3COO.sup., CH.sub.3COOH, C.sub.2H.sub.6, (COOH).sub.2, (COO.sup.).sub.2, and CF.sub.3COOH.
METHOD FOR MANUFACTURING METAL NANOPARTICLES, METHOD FOR MANUFACTURING METAL NANOPARTICLE-LOADED CARRIER, AND METAL NANOPARTICLE-LOADED CARRIER
A method for manufacturing metal nanoparticles includes adding at least one metal salt to an ionic liquid to form metal ions in the ionic liquid, and heating the ionic liquid to which the metal salt has been added to thermally reduce the metal ions.
APPLICATION OF IONIC LIQUID IN PROPYLENE GLYCOL ETHER SYNTHESIS AND METHOD FOR SYNTHESIZING PROPYLENE GLYCOL ETHER
The present invention relates to the technical field of chemical engineering and catalysis. Provided are an application of an ionic liquid in propylene glycol ether synthesis and a method for synthesizing a propylene glycol ether. The ionic liquid is a methyl carbonate ionic liquid, and is used as a catalyst for catalyzing propylene glycol ether synthesis. The method for synthesizing the propylene glycol ether comprises the following steps: placing propylene oxide and an alcohol within a reactor to contact a catalyst, and heating the mixture in an enclosed environment to 50-200 C. to obtain the propylene glycol ether, wherein the catalyst is a methyl carbonate ionic liquid. The method for synthesizing propylene glycol ether provided in the present invention is a green synthesis technique, and does not require special production equipment. The method has simple and easily controllable processes, and can be used in industrial production and applications.
PROCESS FOR MONITORING THE CATALYTIC ACTIVITY OF AN IONIC LIQUID
The present invention relates to a process for monitoring the catalytic activity of an ionic liquid and for the regeneration of the ionic liquid in continuous conversion of an olefin in an alkylation. The process includes (a) providing an ionic liquid; (b) reacting a hydrocarbon mixture with the ionic liquid to obtain an ionic liquid phase. In step (d), adding an organic compound to the ionic liquid phase. In step (e), obtaining an absorption peak of a mixture from step (d) and in step (f) repeating until the absorption peak reaches a maximum or a minimum value. In step (g), determining the total amount of the organic compound or the ionic liquid phase added. Next, (h) calculating the catalytic activity of the ionic liquid. Then, (i) adding aluminium halides to the reaction of step (b) such that the activity of step (h) stays above the minimum level.
PROCESS FOR MONITORING THE CATALYTIC ACTIVITY OF AN IONIC LIQUID
The present invention relates to a process for monitoring the catalytic activity of an ionic liquid. In step (a), providing an acidic ionic liquid; (b) providing an organic compound; (c) adding at least a portion of the organic compound to at least a portion of the ionic liquid; (d) recording an infrared spectrum of a mixture from step (c) to obtain at least one absorption peak. In step (e), repeating steps (c) and (d) until at least one absorption peak reaches a maximum value or a minimum value. In step (f), determining at the maximum value or minimum value of step (e): the total amount of the organic compound or the total amount of the ionic liquid added. In step (g), calculating the catalytic activity of the ionic liquid based on: the total amount of the organic compound or the total amount of ionic liquid, as determined in step (f).
HYDROCARBON CONVERSION PROCESSES USING NON-CYCLIC AMIDE AND THIOAMIDE BASED IONIC LIQUIDS
A hydrocarbon conversion process is described. The process involves contacting a hydrocarbon feed with a non-cyclic amide or thioamide based ionic liquid catalyst in a reaction zone under reaction conditions to form a mixture comprising reaction products, and the non-cyclic amide or thioamide based ionic liquid catalyst. Typical hydrocarbon conversion processes include alkylation, oligomerization, isomerization, disproportionation, and reverse disproportionation.
Devices For Electrocatalytic Conversion Of Carbon Dioxide
An electrocatalytic device for carbon dioxide conversion includes a cathode with a Catalytically Active Elementa metal in the form of supported or unsupported particles or flakes with an average size between 0.6 nm and 100 nm. The reaction products comprise at least one of CO, HCO.sup., H.sub.2CO, (HCOO).sup., HCOOH, CH.sub.3OH, CH.sub.4, C.sub.2H.sub.4, CH.sub.3CH.sub.2OH, CH.sub.3COO.sup., CH.sub.3COOH, C.sub.2H.sub.6, (COOH).sub.2, (COO.sup.).sub.2, and CF.sub.3COOH.
Methods Of Making Acrylic Acid From Lactic Acid Or Its Derivatives In Liquid Phase
Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a feed stream containing lactic acid, lactic acid derivatives, or mixtures thereof with a molten salt catalyst comprising an ionic liquid (IL) and an acid in liquid phase are provided.