国家/地区 巴西（11）
IPC部 C（11）
IPC大类 C01（11）
IPC小类 C01B（11）
IPC C01B032/19（11）
发明人 ROSCHER S（2）
公开年 2021（3） 2015（2） 2017（2）
申请年 2015（3）  2017（2）  2020（2）  2021（2） 
专利权人 FRAUNHOFER G.（2）

Method for concomitantly protecting aqueous resin against damage caused by ultraviolet radiation and risk of static electricity accumulation, used in aqueous coating or paint composition, involves using graphene sheets whose surfaces are modified by chemical insertion of amino acid-derived groups.

LOPES BARROS DE ARAUJO P, DE ARAUJO E S, SANTANA DE LIMA T B, DINIZ F L J

Preparing reduced graphene oxide nanosheets composed of graphene multilayers, involves synthesizing graphene multilayers from method of photo-oxidation assisted by ultraviolet radiation and preparing solution in water mixture.

FUSER PILLIS M, VERCINO CORREA O, TEIXEIRA BENTO R, PEREIRA COUTINHO S, DOS SANTOS T F, PILLIS M F, CORREA O V, BENTO R T, PEREIRA COTINHO S

Exfoliating graphene flakes from graphite sample by compressing a graphite sample in an electrochemical reactor, and applying a voltage between the graphite sample and an electrode in the electrochemical cell.

ROSCHER S

Making graphene oxide from kish graphite comprises e.g. provision of kish graphite, pre-treating kish graphite, intercalation graphite with persulfate salt and acid, expansion of intercalated graphite and oxidatizing expanded kish graphite.

VU T T, SUAREZ SANCHEZ R, SUAREZ S R, VU T, SANCHEZ R S

Method for producing a nanocomposite containing graphene oxide used in pharmaceutical composition for preparing antitumor medicament, involves diluting graphene oxide dispersions and preparing an aqueous graphene dispersion.

ALVES O L, FONSECA L C, DE ARAUJO M M, DE MORAES A C M, MARTINEZ D S T, MENEZES DE ARAUJO M, TEODORO MARTINEZ D S

Device for expansion of graphite into graphene flakes used for providing e.g. conductive coatings, comprises container which is provided for receiving electrolyte, anode and cathode which consists of diamond.

NEBEL C E, HOFFMANN R, ROSCHER S, ROSCHNER S, HOFFMAN R

Composition used e.g. in polymer nanocomposites useful in expandable polymer nanocomposites which are useful in electronic applications, comprises vinyl aromatic polymer, and graphene and graphene nanoplatelets durably dispersed in solvent.

AUTIERI V, FELISARI R

Graphene-reinforced polymer matrix composite for use in manufacturing an automotive, aircraft, watercraft or aerospace part, comprises a thermoplastic polymer matrix, and particles, e.g. graphite microparticles.

NOSKER T, LYNCH J, KEAR B, HENDRIX J, CHIU G, LYNCH J K, HENDRIKS J, ZHAO G

Preparation of reduced graphene for e.g. flexible electronics involves heating expandable graphite under conditions sufficient to form expanded graphite comprising oxygen-containing groups, and contacting with carbon monoxide.

CZAJKA M, SHANKS R, HUGEL H

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

HASEGAWA S, KAMIYA N, HASEGAWA SHOJI, KAMIYA NAGISA, SHOJI H, NAGISA K, SHEN Y