国家/地区 中国（6）
IPC部 C（7）
IPC大类 C04（7）
IPC小类 C04B（7）
IPC C04B024/26（7）
发明人
公开年 2022（4） 2023（3）
申请年 2022（7）
专利权人

Inter-floor noise prevention system of house useful for preventing noise generated in upper floor from being transmitted to the lower floor, comprises sound absorbing plate installed on concrete slab, and sound wave vibration blocking plate.

HO S J

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

Cement base fluorine-containing copolymer emulsion useful for preparation of superhydrophobic concrete comprises fluorine-containing monomer e.g. perfluorononylethylene, alkyl acrylates and/or alkyl methacrylates, nonionic and/or anionic surfactants, silica, titania and/or graphene oxide, and water.

ZHANG B, JIANG Z

Concrete modifier comprises calcium titanate nano-fibre, graphene, graphene oxide, trimeric sodium phosphate, sodium silicate, nano-boron fiber, attapulgite, fly ash, containing sulfonic acid ammonium salt of hyper-branched polyurethane.

GU T, LU X, GUO X, ZHOU J

Concrete water reducing agent, comprises graphene-modified polyether, hydrogen peroxide, deionized water, component A and component B.

LONG X, PAN W

Graphene/polyethylene glycol polycarboxylic acid water reducing agent comprises acrylic acid, hydroxyethyl acrylate, polyether macromonomer, water, hydrogen peroxide solution, catalyst, reduction agent, oxidant and mercaptopropionic acid.

ZHANG S, FU C, ZHANG J, LIANG H