C07F7/087

Synthetic Layered Magnesium Silicates and Their Derivatives for High Performance Oil-based Drilling Fluids

A method of producing a synthetic functionalized additive including the steps of mixing an amount of a magnesium salt with a fluid medium to produce a magnesium-containing fluid, adding an amount of a silane to the magnesium-containing fluid to produce a reactant mix, adding an amount of an aqueous hydroxide to the reactant mix to produce a reaction mixture, mixing the reaction mixture for a mix period, refluxing the reaction mixture for a reflux period to produce a product mix, treating the product mix to separate the synthetic functionalized additive.

Controlled synthesis of hierarchically-structured hybrid materials through peptoid engineering
11225502 · 2022-01-18 · ·

This disclosure concerns a method for making a hybrid organic/inorganic material having an architecture. The method includes combining a peptoid comprising a sequence of N-substituted glycine residues and an inorganic material or inorganic material precursor to form a hybrid organic/inorganic material comprising the peptoid and the inorganic material, the hybrid organic/inorganic material having an architecture based at least in part on the peptoid sequence. The hybrid organic/inorganic materials include a cluster of nanoparticles of an inorganic material and peptoids, the cluster formed by random attachment of nanoparticles to one another by peptoid-peptoid and peptoid-nanoparticle surface interactions, wherein the hybrid material has an architecture based at least in part on the peptoid sequence.

COOLANT COMPOSITION FOR ELECTRIC VEHICLES
20230357621 · 2023-11-09 ·

A coolant composition for electric vehicles contains a siloxane compound expressed by the following General Formula

##STR00001##

wherein R.sup.1 and R.sup.2 are each identical to or different from each other, selected from the groups including C.sub.1 to C.sub.20 alkyl groups and amino groups as well as C.sub.1 to C.sub.20 alkylamino groups; X.sup.1, X.sup.2, X.sup.3, and X.sup.4 are each identical to or different from one another, selected from the groups including hydroxy groups, alkoxy groups, and alkyl groups; and n is 1 or greater but no greater than 500.

COATINGS WITH TUNABLE AMINE DENSITY
20220290005 · 2022-09-15 ·

Molecules or salts thereof are provided, having the structure in Formula I,

wherein n.sup.2 and n.sup.4 are the same or different and are independently 1, 2, or 3, and n.sup.3 is 1 to 20;
X is oxygen, nitrogen, or sulfur;
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7 are as described herein.

Methods are also provided for the synthesis of and use of the provided molecules in applications for diagnostic testing.

METHOD OF PREPARING FUNCTIONAL ORGANOSILANOL COMPOUNDS

A method of preparing an organosilanol compound is disclosed. The method comprises reacting (A) an initial organosilicon compound and (B) water in the presence of (C) a catalyst. The catalyst (C) is selected from: (C1) [(C.sub.8H.sub.12irCl].sub.2[(p-cymene)RuCl.sub.2].sub.2; and (C3) Pd/C. The initial organosilicon compound (A) has the general formula HO—Si(R).sub.2—[Si(R).sub.2O].sub.a—OSi(R).sub.2—Y and the organosilanol compound has the general formula HO—Si(R)2-[Si(R).sub.2O].sub.a—OSi(R).sub.2—Y, where each R is an independently selected hydrocarbyl group; Y comprises a functional moiety selected from alkoxysilyl moieties, epoxide moieties, and acryloxy moieties, with the proviso that Y is other than the acryloxy moieties when the catalyst (C) is (C3) Pd/C; and subscript a is 0 or 1. The organosilanol compound prepared by the method is also provided.

Surface modified nanoparticles
11053436 · 2021-07-06 · ·

Surface-modified nanoparticles are produced by associating ligand interactive agents with the surface of a nanoparticle. The ligand interactive agents are bound to surface modifying ligands that are tailored to impart particular solubility and/or compatibility properties. The ligand interactive agents are crosslinked via a linking/crosslinking agent. The linking/crosslinking agent may provide a binding site for binding the surface modifying ligands to the ligand interactive agents.

Aerogel precursor and aerogel prepared using the same

The present disclosure provides an aerogel precursor including an alkoxydisiloxane-based prepolymer and having a functional group derived from a hydrophobic sol-gel forming agent of the following Chemical Formula 1 on a surface thereof, and therefore, capable of enhancing high temperature thermal stability of an aerogel providing hydrophobic pores having uniform pore size distribution when preparing an aerogel, and an aerogel prepared using the same: ##STR00001## (in Chemical Formula 1, M, R, R.sup.1 to R.sup.4 are the same as defined in the specification.)

Synthetic layered magnesium silicates and their derivatives for high performance oil-based drilling fluids

A method of producing a synthetic functionalized additive including the steps of mixing an amount of a magnesium salt with a fluid medium to produce a magnesium-containing fluid, adding an amount of a silane to the magnesium-containing fluid to produce a reactant mix, adding an amount of an aqueous hydroxide to the reactant mix to produce a reaction mixture, mixing the reaction mixture for a mix period, refluxing the reaction mixture for a reflux period to produce a product mix, treating the product mix to separate the synthetic functionalized additive.

MODIFIED GRAPHENE, METHOD OF PRODUCING MODIFIED GRAPHENE, MODIFIED GRAPHENE-RESIN COMPOSITE, MODIFIED GRAPHENE SHEET, AND MODIFIED GRAPHENE DISPERSION
20200270463 · 2020-08-27 ·

The modified graphene includes a structure represented by the following formula (I), wherein the modified graphene has a ratio (g/d) of an intensity g of a G band to an intensity d of a D band of 1.0 or more in a Raman spectroscopy spectrum thereof:


Gr1-Ar1-X1-(Y1).sub.n1(I)

in the formula (I), Gr1 represents a single-layer graphene or a multilayer graphene, Ar1 represents an arylene group having 6 to 18 carbon atoms, X1 represents a single bond, a linear, branched, or cyclic alkylene group having 1 to 20 carbon atoms, or a group obtained by substituting at least one carbon atom in a linear, branched, or cyclic alkylene group having 1 to 20 carbon atoms with at least one structure selected from the group consisting of O, NH,

##STR00001##

CO, COO, CONH, and an arylene group.

SURFACE MODIFIED NANOPARTICLES
20200263086 · 2020-08-20 ·

Surface-modified nanoparticles are produced by associating ligand interactive agents with the surface of a nanoparticle. The ligand interactive agents are bound to surface modifying ligands that are tailored to impart particular solubility and/or compatibility properties. The ligand interactive agents are crosslinked via a linking/crosslinking agent. The linking/crosslinking agent may provide a binding site for binding the surface modifying ligands to the ligand interactive agents.