国家/地区 中国（14） 美国（5） 世界知识产权组织（3） 加拿大（2） 欧洲专利局（EPO）（2）
IPC部 C（16）
IPC大类 C08（16）
IPC小类 C08G（16）
IPC C08G018/32（16）
发明人
公开年 2021（8） 2022（8）
申请年 2021（16）
专利权人

Selective laser sintering process for preparing highly spherical particles, involves depositing carbon nanomaterial-graft-polyurethane particles on nanomaterial surface and exposing nanomaterial grafted polyurethane particles to laser, for fusing polymer particles and forming consolidated body.

SRISKANDHA S E, FARRUGIA V M, CLARIDGE R, EMPARUZIA V, SIBANTIISWARISLISKANDA, EASWARI S, SRISKANDAR S E

Thermoplastic polyurethane elastomer useful for charging pile sheath comprises isocyanate, polyol compounds, nano-filler, protective agent and compatibilizer.

XU Z, ZHANG X, LONG S, CAI J

Composite material used for forming structural material, comprises closed cell polyurethane matrix portion exhibiting properties associated with wood, and particulate portion homogeneously distributed and suspended in matrix portion, where particulate portion is fiberglass and hemp fiber.

CHRISTY J, ESCOBAR H

Polyurethane hydrogel of composite nano-particle used for e.g. agriculture, medicine, daily chemical industry, environment-friendly and desert prevention, comprises polyisocyanate, polyol, silicon oil, chain extender, and foaming agent agent.

MA A

Anti-deformation plastic used in a closed ring of aircraft engine, damping block, and buffer block, and in plastic industry, comprises high hardness acrylonitrile butadiene styrene composite material, toughening filler, amino resin, tributyl citrate, compatilizer and silicon dioxide.

WANG L

Polyurethane thermoplastic polyurethane curtain inner lining comprises polytetrahydrofuran ether diol, butanediol, diphenylmethane diisocyanate, dibutyltin dilaurate, calcium carbonate, silicate, and carbon black and dispersant i.e. polyvinylpyrrolidone.

ZHANG W

Polyurethane foaming material comprises polyether polyol, isocyanate salt, ethylene glycol, alcohol ammonia compound, foam stabilizer, foaming agent, catalyst, mold release agent, color paste and graphene.

YANG J

Preparing graphene polyurethane composite sponge material useful in electronic cigarette filtration, comprises e.g. preparing modified graphene oxide dispersion, stirring with silicon-containing surfactant, stannous octoate, triethylenediamine, and toluene diisocyanate, carrying out free foaming.

HOU W, PAN D, ZHANG H, LIANG D, WANG Z

Functionalized aqueous polyurethane material for electronic packaging materials, is prepared of polyester polyol, diisocyanate, hydrophilic chain extender, catalyst, diethylene glycol terephthalate, graphene oxide, internal crosslinking agent, organic solvent, diluent, neutralizing agent and water.

SHEN Y, LIANG X, ZHANG C, LI Q, HE H

Graphene dispersion used in composition for preparing polyurethane composite material, comprises graphene and polyol compound comprising aromatic polyol and modified aromatic polyol made by subjecting the aromatic polyol and epoxidized vegetable oil to ring opening reaction.

CHIEN C, HUNG W, WU Y, JIAN J