C01P2004/24

FUNCTIONALIZED GRAPHENE AND EPOXY COMPOSITE

A polymer composite formed from an epoxy based polymer and an amino-graphene. The epoxy based polymer forms a polymer matrix and the amino graphene is dispersed throughout the polymer matrix. Further, a graphene is functionalized with 3,5-dinitrophenyl groups to form functionalized graphene and one or more amine functional groups form Meisenheimer complexes with the functionalized graphene to form the amino-graphene. An associated method of making the polymer composite is also provided.

Alpha-alumina flakes

A blended composition containing uncoated Al.sub.2O.sub.3 flakes having a thickness of ≥500 nm and a D.sub.50-value of 15-30 μm and a D.sub.90-value of 30-45 μm, and/or coated Al.sub.2O.sub.3 flakes having a thickness of ≥500 nm and a D.sub.50-value of 15-30 μm and a D.sub.90-value of 30-45 μm, which have been coated with at least one layer of a metal oxide, mixtures of at least two metal oxides, metal, metal sulphide, titanium suboxide, titanium oxynitride, FeO(OH), metal alloys and/or rare earth compounds, and their use in various formulations.

FLEXIBLE BORON NITRIDE NANORIBBON AEROGEL AND PREPARATION METHOD THEREOF

A flexible boron nitride nanoribbon aerogel has an interconnected three-dimensional porous network structure which is formed by mutually twining and contacting boron nitride nanoribbons and consists of macropores having a pore diameter of more than 50 nm, mesopores having a pore diameter of 2-50 nm and micropores having a pore diameter of less than 2 nm. The preparation method of the flexible boron nitride nanoribbon aerogel includes the following steps: performing high-temperature dissolution on boric acid and a nitrogen-containing precursor to form a transparent precursor solution, preparing the transparent precursor solution into precursor hydrogel, subsequently drying and performing high-temperature pyrolysis to obtain the flexible boron nitride nanoribbon aerogel. The boron nitride nanoribbon aerogel has excellent flexibility and resilience and can withstand different forms of loads from the outside within a wide temperature range.

BORON NITRIDE NANOSTRUCTURES
20220009779 · 2022-01-13 ·

The present invention relates to a method for producing boron nitride nanostructures, the method comprising subjecting boron nitride precursor material to lamp ablation within an adiabatic radiative shielding environment. The nanostructures produced may include nano-onion structures. The boron nitride precursor material subjected to lamp ablation may include amorphous boron nitride, hexagonal boron nitride, cubic boron nitride, wurtzite boron nitride or a combination of two or more thereof.

Photochemically-assisted synthesis of layered birnessite (MnO.SUB.2.) nanosheets
11219876 · 2022-01-11 · ·

A method of forming birnessite δ-MnO.sub.2 nanosheets is provided. The method includes oxidizing manganese (Mn.sup.2+) in the presence of a source of nitrate and a light source.

GRAPHENE PRODUCTION IN AQUEOUS DISPERSION

The disclosed technology relates to the production of graphene by exfoliation in the presence of a dispersant, and the composition of graphene produced thereby.

Top-down synthesis of two-dimensional nanosheets
11168002 · 2021-11-09 · ·

A method for synthesizing two-dimensional (2D) nanosheets comprises heating a bulk material in a solvent. The process is scalable and can be used to produce solution-processable 2D nanosheets with uniform properties in large volumes.

Pearlescent pigments, process for producing them, and use of such pigments

The present invention relates to semitransparent pearlescent pigments, to processes for producing them, and to the use of such pearlescent pigments, where the pearlescent pigments comprise monolithically constructed substrate platelets composed of a metal oxide having an average thickness of 1 to 40 nm and a form factor, expressed by the ratio of the mean size to the average thickness, of at least 80, which are enveloped by at least one substantially transparent coating A composed of at least one low-index metal oxide and/or metal oxide hydrate, having a refractive index of less than 1.8, and at least one interference layer in the form of a coating B composed of at least one high-index metal oxide, having a refractive index of at least 1.8.

Sodium ion storage material
11217818 · 2022-01-04 ·

The present disclosure relates to a sodium-ion storage material and an electrode material for a sodium-ion battery, an electrode material for a seawater battery, an electrode for a sodium-ion battery, an electrode for a seawater battery, a sodium-ion battery, and a seawater battery, which include the sodium-ion storage material. Specifically, the sodium-ion storage material may include one or more materials selected from the group consisting of Cu.sub.xS, FeS, FeS.sub.2, Ni.sub.3S, NbS.sub.2, SbO.sub.x, SbS.sub.x, SnS and SnS.sub.2, wherein 0<x≤2. When the sodium-ion storage material according to the present disclosure is used, it may exhibit high discharge capacity, and when the sodium-ion storage material is applied to a sodium-ion battery which is a secondary battery, it may exhibit excellent charge/discharge cycle characteristics.

Modified MoS.SUB.2 .nano material, and preparation method and use thereof

The invention provides a modified MoS.sub.2 nano material and a preparation method thereof. The modified MoS.sub.2 nanomaterial is comprised of a hydrophilic MoS.sub.2 nanosheet linked with hydrophobic alkyl amine chain, the hydrophobic alkyl amine chain is provided by an alkylamine compound. The modified MoS.sub.2 nano material provided by the invention can be formulated into a nanofluid i.e. oil-displacement agent at a lower concentration, and is applied to the tertiary recovery in oil recovery, thereby greatly reducing the environmental pollution in the tertiary recovery, reducing the cost and improving the oil recovery.