国家/地区 中国（6） 美国（4） 世界知识产权组织（3） 欧洲专利局（EPO）（2） 日本（2） 韩国（2）
IPC部 B（8）
IPC大类 C08（8）
IPC小类 C08G（8）
IPC C08G018/32（8）
发明人
公开年 2022（3） 2019（2）
申请年 2021（3）  2018（2） 
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

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

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

Sponge for oil-water separation is prepared by reacting polyol blend with polyisocyanate and graphene, in the presence of catalyst, foaming agent, and foam stabilizer in which polyol blend contains e.g., polyol components and glycerol.

LIU Y, CHEN S

Preparing tung oil-based polyurethane-graphene oxide hybrid film useful for adsorbing carbon dioxide comprises e.g. adding tung oil-based polyol and polyglycerol to reaction flask, stirring, adjusting pH vacuuming and closing vacuum valve.

ZHANG Y, WEI L, MA J, ZHANG X, YANG S, WANG W

Virus-penetrating-barrier operating coat film comprises medical nonwoven fabric lower surface and virus-penetrating-barrier polyurethane film comprising thermoplastic polyurethane,graphene,nano-silica,and nano silver powder.

ZHOU X

Production of aircraft frame based on three-dimensional printing by stirring polyurethane foam and polyurethane material, mixing with graphene powder, heating, pouring mixture into three-dimensional printer, and high-temperature molding.

REN X

Resin composition for treating surface of steel sheet, comprises binder resin, graphene and solvent.

CHO J D, LEE J R, LEE J S, SHIM S E, LEE J, CHO J, SHIM S