国家/地区 中国（12）
IPC部 C（12）
IPC大类 C08（12）
IPC小类 C08L（12） C08K（11） C08G（7）
C08J（6）
IPC C08L075/08（12）
发明人
公开年 2023（12）
申请年 2022（9）  2023（2） 
专利权人

Nano-modified aqueous polyurethane composite material for e.g. building decoration, is made of toluene-2,4-diisocyanate, polyether polyol, modified nanocomposite dispersion liquid, temperature-resistant modifier, catalyst, hydrophilic chain extender, and neutralizing agent.

SHI Y, SHI C

Low smoke flame retardant base film used for environment-friendly floor leather layer and railway vehicle floor composite material, comprises e.g. thermoplastic polyurethane particles, phosphorus nitrogen halogen-free flame retardant composition, and synergistic flame retardant.

WU T

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

Preparing polyurethane material used in aviation, traffic, medical treatment, and textile fields comprise mixing thioglycerol, tetrahydrofuran, performing ultraviolet light irradiation reaction, adding dibutyltin dilaurate, 4-amino-4H-1,2,4-triazole, heating, aging, filtering, extracting and drying.

GUO H, DENG Z, QIU 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 polyurethane-based friction material based on three-phase composite system by stirring and blending graphene material, molybdenum disulfide and tungsten disulfide, blending with polyurethane prepolymer, defoaming, blending with butanediol, defoaming, and pouring, molding and curing product.

LI Z, WANG J, WU W, HU X, LIU Y, WANG X, YANG X, CHENG X, LU G, SHUAI C

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

Nano-filler reinforcing fiber hybrid structure ballistic resistant composite material formed by paving first prepreg (nano filler modified fiber prepreg) obtained by soaking reinforcing fiber in modified aqueous polyurethane and second prepreg (weft-free cloth) obtained by soaking reinforcing fiber.

QI C, SONG L, SHANG B, ZHAO Y, GUO M

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