国家/地区 中国（5）
IPC部 C（5）
IPC大类 C04（5）
IPC小类 C04B（5）
IPC C04B024/26（3） C08F220/58（3） C08F292/00（3）
C04B103/30（2） C08F220/06（2） C08F283/06（2）
发明人 CHEN J（2）
公开年 2023（5）
申请年 2022（3） 
专利权人

High slump retention polycarboxylic acid water reducing agent comprises ethylene-glycol monovinyl polyethylene glycol macromonomer, acrylic acid, slump-retaining functional monomer, sodium formaldehyde sulfoxylate, hydrogen peroxide and mercaptoacetic acid.

LIANG Y, ZHANG Y, PANG S, MA M

Graphene water reducing agent useful as cement and concrete dispersant, comprises e.g. isopentenol polyoxyethylene ether, pentaerythritol tetraacrylate, 2-acrylamide-1-methylpropanesulfonic acid, unsaturated phosphoric acid esters, graphene oxide, 3-mercaptopropionic acid and initiator.

ZHANG H, PANG Y, GUO J, ZHANG R

Sound insulation mortar useful in floor slab of high-rise concrete building comprises cement, reinforcing aggregate, cement, glass fiber, vitrified microbeads, ceramic sand, fly ash, additive, hyperbranched ethylene glycol chitosan, graphene hollow nanofiber and waste aramid fiber.

CHEN J, XU S, YIN P, ZHU S, ZHU Y

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

Preparing modified recycled aggregate, comprises dissolving graphene/polyvinyl alcohol/polyacrylamide nanocomposite hydrogel in deionized water, and soaking recycled aggregate in graphene/polyvinyl alcohol/polyacrylamide nano complex hydrogel aqueous solution, and air-drying.

CHEN J, SUN J, ZHOU M, YIN G, LI C, FENG L, WEN X, WU J