国家/地区 中国（22）
IPC部 C（22） B（4） A（2）
H（2）
IPC大类 C08（22） C09（4） A47（2）
B29（2）
IPC小类 C08G（22）
IPC C08L075/08（22）
发明人 WANG L（4） ZHENG Y（3） LI C（2）
ZHANG H（2） ZHANG W（2）
公开年 2021（13） 2022（8）
申请年 2021（22）
专利权人 UNIV FUZHOU（3）

High-strength polyurethane rigid foam material is prepared from raw materials containing white material first component and polyisocyanate second component, where first component includes polyether polyol, modified filler, foam stabilizer, composite catalyst, flame retardant and foaming agent.

MIAO B, ZHANG W, GAO B, LI Y, SONG K, PANG D, HAN H

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

Method for grouting and plugging of cable conduits through-holes comprise e.g. cutting film according to shape and size of cable, tearing adhesive tape isolation paper, filling cavity with quick-setting flame-retardant foaming material component, and opening small hole on surface of film.

LI P, WEI H, ZHU J, WENG L, ZHANG Z

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

Antibacterial and stain-resistant graphene foaming sponge comprises polyether polyol, toluene diisocyanate, foaming agent, foam stabilizer, catalyst, surfactant, graphene powder, dried orange peel powder and bamboo carbon powder.

WU C

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

Mixed plant-based polyurethane porous material impregnated with carbon nanotube and graphene oxide comprises e.g. castor oil polyol, rosin ester polyol, polyether polyol, carbon nanotube, foam stabilizer, triethanolamine, catalyst, water, polymeric methylene diphenyl diisocyanate and graphene oxide.

LI C, ZHU K, GE P, CAO P, YANG Z, CHEN S, XU Z, CHENG Y