METHOD OF PRODUCING COMPOSITE OF GRAPHITE-CONTAINING MATERIAL FOR MAKING ARTICLES Russian patent published in 2025 - IPC C09C1/56 B01J19/10 

FIELD: performing operations.

SUBSTANCE: invention relates to the field of the technology of forming parts of a crude mixture from graphite for producing technical articles by granulation, pressing, extrusion from particles of a graphite composite plasticized with a liquid, and can be used to produce a graphite composite for technical articles such as granules, rods, pellets, coatings of impregnating lubricant material in machine building, in the polymer and construction industries. Method of producing a composite from graphite-containing material involves treating graphite with ultrasound, obtaining particles from the ground material, preparing hydrogel from the gel-forming material and adding filler to the hydrogel mass to obtain a composite. Filler used is crystalline graphite which is treated with ultrasound in water in a mode which enables to obtain a mixture of ground particles with 3-level structural organization of grinding: particles with initial structural organization in form of blocks, particles separated from blocks and combined with each other to form a grid, particles separated from blocks and meshes and arranged on water surface in the form of a film. Obtained mixture of crushed graphite particles is dried. One part of the dry mixture of particles is used as filler and the other part is used to prepare gel. Gel is prepared by adding to the dry portion a liquid: water, or alcohol, or aqueous ammonia solution (NH4OH) with liquid to mixture ratio equal to 1.5-2:1, in pts. wt. Mixture is thoroughly mixed to form a plastic mass, which is used as binder in form of C(OH)₂. Further, filler – dry mixture of particles of crushed graphite is added to the obtained binder to obtain a composite containing graphite in graphite.

EFFECT: invention enables to obtain a carbon-in-carbon composite after ultrasonic treatment of crystalline graphite, simplifies the process of producing the composite and broadens functional capabilities of the method.

1 cl, 11 dwg, 3 ex