国家/地区 中国（9） 世界知识产权组织（2）
IPC部 C（10）
IPC大类 C01（10）
IPC小类 C01B（10）
IPC C08K003/04（10）
发明人
公开年 2018（2） 2021（2）
申请年 2020（3） 
专利权人

Preparation of double-layer polymer modified graphene material used in separation and enrichment of glycoprotein, involves mixing e.g. hydrophilic polymer and solvent for electrostatic adsorption, and mixing obtained material with hyaluronic acid buffer salt solution for electrostatic adsorption.

GUAN S, LI H, YU J, PENG J, WANG L, DONG P, ZHAO Y

Preparing chitin film material used in e.g. food industry involves configuring potassium hydroxide aqueous solution, adding chitin, stirring and dispersing, adding ice or ice water mixture, stirring to completely dissolve to obtain chitin solution, casting or coating solution, printing and curing.

ZHANG Q, YU X, ZHONG Y, CAI J

Preparing water-dispersible graphene nanoplatelet used for preparing composite with hydrophilic polymer, by grinding and mixing graphene nanoplatelet and active material, and heating mixture using microwave at medium energy.

LIM H N

Conductive composite film comprises reduced graphene oxide, quaternary ammonium salt hemicellulose and chitosan.

GUAN Y, GAO H, WU Y, WU H

High flame retardant biomass-based modified polylactic acid film material comprises DL-lactide, catalyst, crosslinking agent, phytic acid modified graphene, chitosan, and melamine.

GAO S

Preparation of reduced graphene oxide-based composite film comprises taking graphene oxide, soluble polymer, inorganic, metal, metal compound nanoparticle or nanoparticle precursor, and performing hydrothermal or solvothermal reaction.

ZHUANG P

Graphene oxide aerogel useful for e.g. preparing elements with compressive resilience comprises e.g. graphene sheet graphite oxide, oxidized graphene sheet surrounding gaps and double electrically chitin nanofiber graphene oxide layer.

ZHANG J, PANG K, DUAN Y, LIU X

Preparing functionalized reduced graphene comprises carrying out oxidation of graphite to obtain graphene oxide, annealing, thermally expanding, adding into deionized water with dispersant, treating, filtering, washing and drying.

MA J, LIU J, ZHU W, QIN W, LI W

Preparing graphene nanosheet and chitosan composite material by dissolving intercalation agent in ethanol, adding graphite powder, treating, adding water to graphite mixed solution and adding small molecules of intercalation agent.

HUANG J, WU G

Dispersed natural polysaccharide in graphene nanomaterial, prepared by dispersing graphene nanosheet material in natural polysaccharide.

HUANG Y, KUGA S, SUN P, WU M