国家/地区 巴西（7）
IPC部 B（7）
IPC大类 B82（7）
IPC小类 B82Y（7）
IPC C01B032/19（7）
发明人 ROSCHER S（2）
公开年 2017（2） 2021（2）
申请年 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

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

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

Forming graphene used in e.g. bioanalytics involves providing graphite sample having atomic layers of carbon; introducing solvent and ions into spaces between the atomic layers; expanding space; and separating the layers using driving force.

LOH K P, WANG J, JUNZHONG B, LOH K, LUO J, ZUNZHONG W