国家/地区 中国（26） 韩国（3） 美国（2） 世界知识产权组织（2）
IPC部 C（31）
IPC大类 C04（31） C08（5） E04（4）
B28（2）
IPC小类 C04B（31）
IPC C04B024/28（31）
发明人 LIU J（3） JIANG Y（2） LI G（2）
LI R（2） LI Z（2） WANG X（2）
ZHANG H（2） ZHANG W（2）
公开年 2022（14） 2021（7） 2023（3） 2017（2） 2020（2）
申请年 2021（10）  2022（10）  2020（5）  2017（2） 
专利权人

Preparing graphene cement additive, involves adding graphene powder, cement, anhydrite, dendritic polyamidoamine, cement adhesive and slag micropowder, placing mixed slurry in evaporation chamber, forming slimy slurry, drying and packaging.

WEI L, ZHANG W, LI L, LI X, QIN L

Graphene layer complex used in the field of oil and gas well cementing, comprises graphene oxide and polymer grafted on the graphene oxide, and the polymer comprises a structural unit derived from 2-acrylamide-2-methylpropanesulfonic acid and a structural unit derived from the second monomer.

LIU J, MIAO X, WEI H, ZHOU S, WANG M

Concrete reinforcement modifying agent used in concrete modification, comprises modified wear-resistant agent, modified anti-cracking agent, bentonite, quartz sand, auxiliary agent, sodium silicate, diatomaceous earth, and deionized water.

GAO Q, GAO X

Cement-based material with strong stability, comprises cement, metakaolin, slag, rheology modifier, silica fume, polymer emulsion, calcium chloride, water reducing agent, modified silicon powder, modified graphene, rheology modifier and fine aggregate.

LI J, HUANG C, LI Z

Preparing graphene-nanosheets based concrete additive, comprises e.g. mixing polycarboxylate ether-A to retarder-based salt solution to obtain retarder based solution, and adding Polycarboxylic acid ether-B to the solution.

GEDELA V, NUGURU R, GEDELA V R

Anti-cracking and anti-radiation concrete useful for e.g. preventing neutron radiation, comprises epoxy resin emulsion, epoxy curing agent, silicate cement, coarse aggregate, fine aggregate, neutron adsorbent, neutron moderator, anti-cracking and filling agent, and magnesium oxide expanding agent.

WANG X

Additive useful for improving the strength and waterproof performance of mortar comprises polytetrafluoroethylene, quartz powder, silicon carbide, graphene, epoxy resin curing agent, high silica glass fiber, polyvinyl alcohol fiber, polypropylene fiber, sodium stearate and epoxy emulsion.

JIN L, LI R, WANG X

Manufacturing molded product using coffee grounds by drying coffee grounds, sieving coffee grounds that were dried, mixing sieved coffee grounds with gypsum mixture, inserting prepared mixture into mold, and molding it.

KIM S, SEAN K

Ground material with elastic shock absorption comprises shock absorption layer arranged on paving base body, composite plate installed above inner core layer, rubber block and rubber spring are connected between reinforcement plates and limiting component installed on carbon fiber flexible board.

ZHANG Y

High-strength epoxy polymer modified cement mortar, comprises e.g. epoxy polymer, epoxy resin modifier, calcium carbonate, silica, calcium sulfate, ultrafine sulfoaluminate cement, silicone defoamer, leveling agent, mercapto-modified curing agent and modified m-xylylenediamine curing agent.

ZHANG Z, WU J, HUANG Z, WU H, ZHANG M, RUAN W, XIE X, ZHANG W