国家/地区 中国（9） 美国（4） 世界知识产权组织（3） 欧洲专利局（EPO）（2）
IPC部 C（12） B（2）
IPC大类 C08（12）
IPC小类 C08G（12）
IPC C08G018/32（12）
发明人
公开年 2021（8） 2022（4）
申请年 2021（12）
专利权人

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

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

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

Preparing electromagnetic wave shielding thermoplastic polyurethane involves putting polytetramethylene ether glycol, butanediol, isocyanate, antioxidant, yellowing-resistant agent and catalyst into reaction vessel under heating.

HE P

Thermal insulation material used in building and construction, refrigeration appliance, electronic devices, aerospace and batteries comprises aerogel layer consisting of monolithic organic aerogel and cover layer.

WEINRICH D, FRICKE M, VOGELSANG V, LIED F, ENGEL S

Polyurethane composition used in polyurethane elastomer, comprises polyisocyanate component comprising isocyanate-terminated prepolymer obtained from reaction of polyol with 1,4-bis(isocyanatomethyl cyclohexane), or mixture of 1,4-bis(isocyanatomethyl cyclohexane), and isocyanate-reactive component.

SONG N

Shape memory composite material in intelligent highmolecular material, comprises a shapememory polyurethane layer and a reducing grapheneoxide layer which are orderly coated on the surface of the polyurethane sponge.

WANG T, ZHAO J, ZHANG Z