B01J31/0237

USE OF AMINE BLENDS FOR FOUNDRY SHAPED CORES AND CASTING METALS

Provided is a catalyst suitable for curing a composite resin composition that includes comprising a blend of at least two tertiary amines selected from dimethylethylamine (DMEA), diethylmethylamine (DEMA), dimethylisopropylamine (DMIPA), and dimethyl-n-propylamine (DMPA), where each of the at least two tertiary amines is present in the blend in an amount of not less than 10% by weight and not more than 90% by weight.

Metal particle-loaded hollow mesoporous organosilica nano/microparticles and method for manufacturing same

A hollow mesoporous organic silica nano/microparticle having metal particles deposited thereon, and a method for preparing the same. The method may prepare a spherical nanoparticle by coating a porous organic silica layer on an inorganic silica particle having the metal particles deposited thereon and via selective etching of the layer. In addition, two or more types of metals pre-synthesized together with a magnetic particle, or different shapes of metals may be deposited on the nanoparticle at a target concentration. Thus, the nano/microparticle may be used for a drug delivery matrix, a catalyst, and a photothermal effect.

METHOD OF PROCESSING SUBSTRATE, SUBSTRATE PROCESSING APPARATUS, AND RECORDING MEDIUM

There is provided a technique that includes: providing a substrate including a conductive film and an insulating film on a surface of the substrate; and forming an oxide film on a surface of the insulating film, among the conductive film and the insulating film, by supplying a halogen-free precursor, an oxidizing agent, and a catalyst to the substrate under a non-plasma atmosphere.

Organopolysiloxane and coating composition containing organopolysiloxane

Disclosed is an organopolysiloxane having a constituent unit represented by a general formula (1), a constituent unit represented by a general formula (2), and a group represented by a general formula (3) that is directly bonded to a silicon atom. ##STR00001## R.sup.1 represents an alkyl group or an aryl group. ##STR00002## R.sup.2 each independently represents an alkyl group or an aryl group, n is each independently 2 or 3, and m is an integer of 5 to 100.
R.sup.3O(3) R.sup.3 represents a hydrogen atom, an alkyl group, or an aryl group.

HYDROPROCESSING CATALYSTS AND THEIR PRODUCTION

The precursor of a hydroprocessing catalyst is made by impregnating a metal oxide component comprising at least one metal from Group 6 of the Periodic Table and at least one metal from Groups 8-10 of the Periodic Table with an amide formed from a first organic compound containing at least one amine group, and a second organic compound containing at least one carboxylic acid group. Following impregnation heat treatment follows to form in situ generated unsaturation additional to that in the two organic compounds. The catalyst precursor is sulfided to form an active, sulfide hydroprocessing catalyst.

Process for the preparation of a catalyst, catalyst and its use in a hydroconversion and/or hydrotreatment process
10076746 · 2018-09-18 · ·

The invention concerns a process for the preparation of a catalyst starting from a pre-catalyst comprising at least one catalytic metal and a support, said pre-catalyst having undergone a heat treatment at at least 60 C. without calcining, in which process said pre-catalyst is impregnated with a basic solution having a pH of more than 7.5 and containing at least one molecule in the zwitterionic form, and the impregnated pre-catalyst is dried at a temperature of at most 240 C. without subsequent calcining. The molecule in the zeolite form is selected from the group formed by amino-alcohol acids containing secondary or tertiary amine groups and containing at least one carboxylic acid function (and preferably only one) and at least one alcohol function. It is bicine or tricine, for example. The invention also concerns the catalyst prepared using this process, and its use in hydrotreatment and/or hydroconversion.

Method of storing a gas, in particular hydrogen
10065856 · 2018-09-04 ·

We describe a method of storing a gas, in particular hydrogen, comprising: providing a polymer sponge, wherein said polymer sponge comprises a plurality of catalytic nanoparticles; providing a solution of reactants, catalyzed by said nanoparticles to produce said gas; absorbing said solution into said polymer sponge such that said reactants react within said polymer sponge to produce said gas; wherein said gas is held within said polymer sponge; and wherein said polymer sponge comprises a thermally responsive polymer having a volume which reduces with a change in temperature, such that said gas held within said polymer is extractable by changing a temperature of said polymer sponge.

METHOD OF CATALYTIC OXIDATION OF LIGNITE USING OXYGEN AS OXIDANT AT ATMOSPHERIC PRESSURE

Disclosed is a method of catalytic oxidation of lignite using oxygen as an oxidant at atmospheric pressure, belonging to a method of mild oxidation of lignite. The method is used to mildly oxidize the lignite using the oxygen as the oxidant under the action of a nitroxide radical catalyst and a metal salt or metal oxide cocatalyst; the process comprises the following steps: pulverizing the lignite to 200 meshes or less, drying a pulverized coal sample at a temperature of 80 C. in vacuum for 10 h, weighing 0.5 g of the treated coal sample, sequentially adding 10 ml of acetic acid, 0.5 mmol of a catalyst and 0.15 to 0.25 mmol of a cocatalyst into a round-bottom flask, connecting a tee joint to an upper orifice of a condenser pipe, replacing oxygen in vacuum for three times so that the round-bottom flask is filled with the oxygen, keeping oxygen pressure at 0.1 MPa, reacting at a temperature of 80 C. to 120 C. for 4 to 12 h; filtering after the reaction is finished; decompressing a filtrate to remove the acetic acid, adding a small amount of ethyl acetate to dissolve, then using an excess CH.sub.2N.sub.2/ether solution to esterify for 10 h at room temperature, using 0.45 m filter paper to filter, and analyzing an esterified product through a gas chromatography-mass spectrometer. The method has the advantages of using the oxygen as the oxidant, having low price, having no toxicity, and achieving environmental protection and mild conditions.

SYNTHESIS OF FUNCTIONALIZED CARBON MICROSPHERES AND THEIR CATALYST ACTIVITY IN C-O AND C-N BOND FORMATION REACTIONS

Disclosed herein is a simple process for functionalization/grafting of carbon microspheres obtained from bagasse with various active functional groups onto it and use of the same as catalyst for various organic reactions, having very high selectivity and conversion rate.

N,N,N'-Trimethyl-Bis-(Aminoethyl) Ether and its Derivatives as Catalysts for Polyurethanes

The present invention provides compounds produced by the reaction of glycidyl ethers and glycidyl esters with ether compounds including N,N,N-trimethyl-bis-(aminoethyl) ether. N,N,N-trimethyl-bis-(aminoethyl) ether and its derivatives can be used as polyurethane catalysts.