国家/地区 中国（12）
IPC部 C（12）
IPC大类 C08（12）
IPC小类 C08G（12）
IPC C08G018/66（12）
发明人
公开年 2021（9） 2022（3）
申请年 2021（12）
专利权人

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

Loofah seed oil imitation latex sponge used as pillow core filling material for pillows, comprises modified loofah seed oil, first polyether polyol, second polyether polyol, third polyether polyol, water and foaming agent.

CHEN Z, ZHOU J, LI C, WANG F, GUO Y, WU S, ZHANG J, CHEN Y

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

Preparing halo-free flame-retardant foam material comprises mixing waste polyurethane, alcoholysis agent, co-alcoholysis agent, phosphorus-based flame retardant and graphene oxide, performing degradation, mixing resultant with chain extender, blowing agent, catalyst, stabilizer, isocyanate compound.

LIU J, LV S, GONG Z, GU X

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

Preparing composite modified functionalized graphene modified aqueous polyurethane emulsion, by preparing graphene oxide by Hummers method, adding composite modified functionalized graphene to aqueous polyurethane prepolymer, and stirring.

XIN H, LUO H, YU W, ZHANG Y, ZHANG H

Graphene-based modified polyurethane foam comprises polyether polyol, polyester polyol, isocyanate, modified graphene, foaming agent catalyst and foam stabilizer.

WANG X, ZHOU C, SHI W, HUANG G