Patent classifications
B01J31/0237
CATALYTIC COMPOSITION FOR AN ADHESIVE COMPOSITION BASED ON A CROSS-LINKABLE SILYLATED POLYMER
1) Adhesive composition comprising at least one crosslinkable silylated polymer (A) and a catalytic composition (B) comprising: a tertiary amine (C) with a pKa of greater than 11 and an organometallic compound (D) obtained by reacting a metal alkoxide (D1) with an oxime (D2).
2) Corresponding catalytic composition (B).
LIQUID CRYSTAL ALIGNMENT AGENT COMPOSITION, METHOD OF PREPARING LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL ALIGNMENT FILM, LIQUID CRYSTAL DISPLAY USING THE SAME
The present invention relates to a liquid crystal alignment agent composition comprising a polymerizable liquid crystal alignment polymer; and a catalyst precursor compound of a specific structure, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display using the same.
Microcapsules modified with nanomaterial for controlled release of active agent and process for preparation thereof
The present invention disclosed a microcapsule modified with nanomaterial for controlled release of active agent comprising; a core comprising active agent and said polymer shell encompassing said core; characterized in that said polymer shell is made up of polymer nanocomposite and a process for the preparation thereof.
METHOD FOR PREPARING AND PROCESSING CATALYST SOLUTIONS
Provided is a method for preparing a solution B comprising at least one catalyst in at least one second solvent, comprising at least the following steps of (A) providing a solution A comprising the at least one catalyst in at least one first solvent, (B) treating the solution A from step (A) with activated carbon, (C) removing the activated carbon from the solution A, and (D) exchanging the at least one first solvent in solution A for at least one second solvent in order to obtain the solution B comprising the at least one catalyst in at least one second solvent, to a solution of at least one catalyst in at least one second solvent, obtainable by the method according to the invention, to the use of this solution for preparing a composition comprising the at least one catalyst, the at least one second solvent, at least one polyisocyanate and at least one NCO-reactive compound, to the use of this composition for producing a single-layered or multi-layered coating system and a corresponding process.
INTEGRATED CAPTURE AND CONVERSION OF CO2 TO METHANOL OR METHANOL AND GLYCOL
A process for producing methanol includes combining a hydrogenation catalyst, hydrogen, and CO.sub.2 with a condensed phase solution comprising an amine under conditions effective to form methanol and water. A process for coproduction of methanol and a glycol includes combining an epoxide, a hydrogenation catalyst, hydrogen, and CO.sub.2 with a condensed phase solution comprising an amine under conditions effective to form methanol and a glycol.
BIFUNCTIONAL CHIRAL ORGANOCATALYTIC COMPOUND HAVING EXCELLENT ENANTIOSELECTIVITY, PREPARATION METHOD THEREFOR, AND METHOD FOR PRODUCING NON-NATURAL GAMMA-AMINO ACID FROM NITRO COMPOUND BY USING SAME
The present invention relates to a bifunctional chiral organocatalytic compound having excellent enantioselectivity, a preparation method therefor, and a method for producing a non-natural gamma amino acid from a nitro compound by using the chiral organocatalytic compound. According to the present invention, the bifunctional chiral organocatalytic compound having excellent enantioselectivity can be easily synthesized, gamma-amino acids with high optical selectivity can be obtained at a high yield by an economical and convenient method using the chiral organocatalytic compound, and various (R)-configuration gamma-amino acids, which are not present in nature, can be produced with high optical purity in large quantities by using a small amount of a catalyst, and therefore, the present invention can be widely utilized in various industrial fields including the pharmaceutical industry.
Hydrogen Bond Directed Photocatalytic Hydrodefluorination and Methods of Use Thereof
Methods of synthesizing compounds comprising fluorinated aryl groups are disclosed, wherein said methods utilize hydrogen bond directed photocatalytic hydrodefluorination.
Composition and process thereof for catalyst for hydro-conversion of LCO involving partial ring opening of poly-aromatics
The present invention relates to a catalyst composition and a process for preparing thereof, wherein the catalyst composition is specifically active for hydro-conversion of LCO involving mainly the partial ring opening of multi-ring aromatics leading to the production of petrochemical feedstock. The catalyst composition comprises of a carrier comprising ultra-stable Y zeolite and binder alumina, group VIB and VIIIB metal species, and organic additives. The carrier is impregnated with metal solution to form active sites of WS.sub.2 slabs of dimensions in the range of 35-45 .
Delayed cure micro-encapsulated catalysts
Controlled release polyurea microcapsules can be prepared from a combination of polyisocyanates using emulsion polymerization. Encapsulated catalysts prepared using the polyurea microcapsules can be used to control the cure rate of coatings and sealants.
CURING CATALYST FOR ORGANIC POLYMER OR ORGANOPOLYSILOXANE, MOISTURECURABLE COMPOSITION, CURED PRODUCT, AND PRODUCTION METHOD THEREFOR
The present invention provides a curing catalyst for an organic polymer or an organopolysiloxane, which has a high safety and a practical curing speed, and improves the adhesion of a cured product to a substrate, and can be produced at low cost.
An aspect of the present invention provides a curing catalyst [B] for an organic polymer or an organopolysiloxane, which is used for curing an organic polymer [A1] or an organopolysiloxane [A2] having a reactive hydrolyzable silicon-containing group, wherein the catalyst [B] contains a titanium compound [B1] represented by the following formula and a secondary amine compound or a tertiary amine compound [B2].
(R.sup.1O).sub.nTi-A.sub.4-n
(In the formula, R.sup.1 is a hydrocarbon group having 1 to 10 carbon atoms, and A is a carboxylic acid residue, and n is 1 or 2.)