国家/地区 中国（19）
IPC部 C（19）
IPC大类 C08（19）
IPC小类 C08G（19）
IPC C08G018/48（19）
发明人 CHEN Y（2） LIU J（2） ZHANG H（2）
ZHU J（2）
公开年 2022（11） 2023（8）
申请年 2022（19）
专利权人

Graphene-modified rigid polyurethane used in electromagnetic shielding, comprises polyether polyol, catalyst, foaming agent, foam stabilizer, water, modified graphene oxide, graphite powder, flame retardant, and polyisocyanate, where modified graphene oxide is graphene oxide treated with modifier.

ZHANG H, LIANG F, WANG Y

Preparing low-temperature-resistant antistatic polyurethane memory foam comprises adding graphene oxide and anhydrous N,N-dimethylformamide into ultrasonic cleaning machine, vacuum freeze-drying to obtain a preliminary conductive agent, centrifuging and molding.

ZHANG J, ZHUANG L, SHI X, LIN M, CHEN T, CHEN G

Production of graphite-based thermal insulation material by mixing polyether polyol and flame-retardant polyether polyol, pre-mixing isocyanate, composite catalyst and silicone oil with polyol mixture, adding polymethylene polyphenylene isocyanate to composite material and foaming mixed material.

LIU J

Preparing bacteriostatic, sport protective and shock-absorbing badminton racket handle material used in sports equipment comprises preparing modified graphene oxide, preparing polyurethane I, and preparing mixture, where the graphene oxide is graphene oxide of chitosan.

ZHAN Q, PAN W

Graphene composite foam useful e.g. in insole, comprises highly reactive polyether polyol, polymer polyol, modified graphene, silicone oil, crosslinking agent, foaming agent, catalyst, flame complex agent and foam stabilizer, and its surface is covered with polyurethane waterproof film.

FANG M, CHEN Y, CHEN M, LIN F

Processing of graphene-enhanced polyurethane sole sports shoes, involves coating polydimethylsiloxane mixture on lotus leaf, curing, peeling off lotus leaf to obtain polydimethylsiloxane mold, performing plasma treatment, placing polyurethane prepolymer into mold, foaming and molding.

ZHANG Z

Cell regulator useful in preparing polyurethane foam comprises e.g. polyether modified silicone surfactant, dimethicone, fatty acid polyoxyethylene ester, fatty alcohol polyoxyethylene ether, alkyl aryl sulfonate, polypropylene wax, polytetrafluoroethylene wax, polyamide wax and inorganic powder.

ZHANG H, ZHU J, WU B, WAN Q

Castor oil polyurethane material comprises graphene oxide modified fiber, castor oil polyol, polyether polyol, deionized water, first catalyst, second catalyst, triethanolamine, organic silicon oil, oxidized graphene modified wheat straw fiber and isocyanate methylene diphenyl diisocyanate.

YANG K, CHEN S

High-strength and tough polyurethane composite material, prepared by blending and curing modified urethane emulsion prepared using e.g. glycine, formaldehyde aqueous solution, 1,4-dioxane and tetrahydrofuran, and modified filler, and curing.

GAO X

Polyurethane useful for filling hydraulic construction concrete expansion joint, comprises polyether 330N, toluene diisocyanate, curing agent, catalyst, amino functional silane modified graphene oxide, beta-cyclodextrin modified chitosan, filler, pigment and viscosity reducing and toughening agent.

YANG D, LI H, XU Z