国家/地区 中国（7） 日本（2） 美国（2） 世界知识产权组织（2）
IPC部 C（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C04B022/02（9）
发明人 CHEN S（2） WU Y（2）
公开年 2020（3） 2016（2） 2022（2）
申请年 2019（2）  2020（2）  2022（2） 
专利权人 HEILONGJIANG.（2）

Preparation device for producing preform additive by graphene material for civil engineering, has grinding mechanism for grinding liquid material after drying, and particle precision treatment mechanism configured to process non-standard particle material to reach standard.

CHEN S, LI T, QIAO Y, YUAN X, DI S, SHAN L

High-wear-resistance modified road cement produced using graphene material used in e.g. concrete products, comprises clinker, gypsum, white steel slag, furnace slag, iron slag and carbon nanomaterials and grinding aids.

LI L, SHAN Y

Making mixture for concrete comprises providing carbon nanomaterial having carbon nanoparticles, wetting and dispersing carbon nanomaterial in liquid organic solvent/compound mixture, and selecting the mixture to perform e.g. additional function in particular type of concrete.

LARSEN A G, FULTON J L, HULBERT D M, SCHMITT G E, SHIMON C

Preparing graphene oxide polycarboxylic acid series high performance water reducing agent comprises e.g. mixing and diluting graphene oxide solution, and mixing with polycarboxylic acid high-performance water-reducing agent powder.

WU Y, LU Q, ZHAN G, CHEN S, LIU C

Preparing thermally-expandable graphene material used in cement, by dripping concentrated sulfuric acid to graphite, sodium nitrate and potassium permanganate, filtering, vacuum-drying, introducing argon gas, heating, expanding and pulling.

ZHONG Y, ZHANG L, CHEN W, WANG Y, LAO L, WU Y

Preparing graphene aerated concrete additive comprises e.g. emulsifying graphene-based substance in water to obtain emulsion, carrying out secondary dispersion of emulsion and heating stirred emulsion.

LIANG D

Preparation of polypyrrole coated graphene oxide cement-based composite material used in military or civil building by preparing treatment agent, performing surface treatment of cement base material, and polymerizing.

ZHAO R, WENG Y, XU A, FU J, LIU A, WU J

Modified graphene oxide cement concrete early strength agent, prepared by preparing graphene oxide, and preparing oxidized graphene into graphene oxide dispersion liquid, stirring, adding modifier dropwise, fully reacting and sonicating.

GUO X, ZHAO L, GE C, ZHANG H, WANG X, GUO L, LIU J

Making graphene or graphite oxide mixed with other hydrophilic powders, used to make cement, comprises obtaining graphene or graphite oxide flakes and combining with ordinary Portland cement and other dry powders, mixing and adding water.

CHRISTIANSEN S, RESTREPO D, STOLTZ R, BULLINGTON J