B01J31/0247

Alkylation processes using liquid Lewis acid catalysts

An alkylation process is described. The alkylation process includes contacting a feed comprising a paraffin or an aromatic with an olefin feed in the presence of a liquid Lewis acid catalyst in an alkylation reaction zone under alkylation conditions to form a reaction mixture comprising alkylation products and the liquid Lewis acid catalyst. The liquid Lewis acid catalyst is the liquid reaction product of a donor molecule and a metal halide. The alkylation products are separated from the liquid Lewis acid catalyst and recovered.

Heat-curable resin composition, heat-curable resin film and semiconductor device

Provided is a heat-curable resin composition exhibiting a superior handling property and workability in the form of a film, having a high adhesion to a base material, and capable of yielding a cured product with a low elasticity. The heat-curable resin composition contains: (A) 90 to 10 parts by mass of a silicone-modified epoxy resin; (B) 10 to 90 parts by mass of a maleimide compound having a weight-average molecular weight (Mw) of 2,500 to 50,000; and (C) a curing catalyst,
provided that a total of the components (A) and (B) is 100 parts by mass.

Process for preparing ketone or carboxylic acid by catalytic oxidation of secondary or primary alcohol

A process for preparing a ketone or carboxylic acid by catalytic oxidation of a secondary or primary alcohol comprises adding the secondary or primary alcohol as a raw material and N-hydroxyphthalimide (NHPI) combined with phthalocyanine, serving as a catalytic system, into an amount of an organic solvent into which oxygen gas is then introduced, to proceed with an oxidation reaction to give the ketone or carboxylic acid. The oxygen gas is employed as the source of an oxidant. The oxidation reaction may be carried out under normal pressure at 60 to 120 C. for 9 to 36 hours. The process can produce a high yield of ketone or carboxylic acid. Compared with conventional technology, the process has several advantages, such as the green oxidant, the cheap catalyst which can also be easily prepared and separated, and mild reaction conditions, and it is also an environmentally friendly process for alcohol oxidation.

Conversion of biomass into a liquid hydrocarbon material

A process for producing liquid hydrocarbon products from a biomass feedstock is provided. The process comprises: contacting the feedstock with one or more hydropyrolysis catalyst compositions and molecular hydrogen to produce a product stream comprising hydropyrolysis product that is at least partially deoxygenated; hydroconverting said hydropyrolysis product in the presence of one or more hydroconversion catalyst compositions to produce a vapour phase product comprising substantially fully deoxygenated hydrocarbon product, wherein one or both of the hydropyrolysis catalyst composition and the hydroconversion catalyst composition is produced in a process comprising incorporating one or more metals selected from those of groups 6, 9, and 10 of the periodic table, into a shaped support; and incorporating one or more coordinating organic compounds into said shaped support, thus forming a catalyst precursor; and then either (i) treating the catalyst precursor in the presence of hydrogen and sulfiding it or (ii) calcining the catalyst precursor.

METHOD FOR PREPARING POROUS ORGANIC FRAMEWORK-SUPPORTED ATOMIC NOBLE METAL CATALYSTFOR CATALYTIC OXIDATION OF VOCS AT ROOM TEMPERATURE
20200324278 · 2020-10-15 ·

A method for preparing a porous organic framework-supported atomic noble metal catalyst for catalytic oxidation of VOCs at room temperature, including: (1) adding 2,6-diaminopyridine and 1,3,5-benzenetricarboxylic acid chloride to a triethylamine-containing dichloromethane solution and stirring the reaction mixture; reacting the reaction mixture in an oil bath under heating to produce a porous pyridine-amide framework; (2) impregnating the porous pyridine-amide framework completely in a noble metal salt solution followed by ultrasonication and standing; reducing the porous organic framework-supported noble metal ions with sodium borohydride solution; washing and drying to produce a semi-finished porous pyridine-amide framework-supported atomic noble metal catalyst; (3) calcining the semi-finished catalyst in a muffle furnace to obtain a finished catalyst. The catalyst provided herein has high atomic dispersion and atomic active sites, significantly improving the catalytic efficiency.

Naphthalenedicarboxylic acid dichloride production method
10730819 · 2020-08-04 · ·

A naphthalenedicarboxylic acid dichloride production method includes causing a reaction between naphthalenedicarboxylic acid and a chlorinating agent at a reaction temperature of 20 C. or higher and 75 C. or lower in presence of a solvent including tetrahydrofuran. The causing a reaction in the naphthalenedicarboxylic acid dichloride production method is preferably performed in presence of N,N-disubstituted formamide.

CATALYST FOR DISSOCIATION OF BLOCKING AGENT FOR BLOCKED ISOCYANATES, AND THERMOSETTING COMPOSITION CONTAINING SAID CATALYST FOR DISSOCIATION OF BLOCKING AGENT

A blocking agent dissociation catalyst for blocked isocyanates comprising a nitrogen-containing compound represented by Formula (1a):

##STR00001##

wherein D is represented by Formula (2):

##STR00002##

wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and a are as described in the specification.

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.

METHODS FOR FORMING ARYL CARBON-NITROGEN BONDS USING LIGHT AND PHOTOREACTORS USEFUL FOR CONDUCTING SUCH REACTIONS

The disclosure relates to a dual catalytic method for forming aryl carbon-nitrogen bonds. The method comprises contacting an aryl halide with an amine in the presence of a dual catalytic solution comprising a Ni(II) salt catalyst, a photocatalyst, and an optional base, thereby forming a reaction mixture; exposing the reaction mixture to light under reaction condition sufficient to produce the aryl carbon-nitrogen bonds. In certain embodiments, the amine may be present in a molar excess to the aryl halide. In certain embodiment, the photocatalyst may be [Ru(bpy).sub.3]Cl.sub.2 or an organic phenoxazine. In certain embodiments, the Ni salt catalyst solution includes a Ni(II) salt and a polar solvent, wherein the Ni(II) salt is dissolved in the polar solvent.