国家/地区 中国（15） 世界知识产权组织（2）
IPC部 C（15）
IPC大类 C08（15）
IPC小类 C08G（15）
IPC C08G018/48（15）
发明人 WANG Y（15）
公开年 2017（5） 2021（3） 2015（2）
申请年 2020（4）  2016（3）  2017（3）  2015（2）  2022（2） 
专利权人 UNIV SHAANXI.（3） BEIJING SHEN.（2）

Graphene-modified rigid polyurethane used in electromagnetic shielding, comprises polyether polyol, catalyst, foaming agent, foam stabilizer, water, modified graphene oxide, graphite powder, flame retardant, and polyisocyanate, where modified graphene oxide is graphene oxide treated with modifier.

ZHANG H, LIANG F, WANG Y

Preparing flame-retardant self-repairing aqueous polyurethane composite coating agent comprises e.g. dissolving the nanoparticles, dissolving the aminated nanoparticles, reacting polyester diol, hydrophilic monomer and diisocyanate and performing a chain extension reaction and emulsification.

YUAN Q, XUE X, WANG Y, ZHANG J, SHI B, LIU C

Preparation of solvent-free graphene-polyurethane self-repairing material involves preparing graphene nitromethylpyrrolidone solution, ultrasonicating, centrifuging, taking supernatant, and adding polytetrahydrofuran.

XIE H, MA J, WANG K, ZHOU Z, ZHANG J, WANG Y

Method for preparing polyurethane-modified graphene microchips comprises e.g. adding graphene oxide and polyol into three-necked flask, stirring, and simultaneously performing high-temperature vacuum dehydration and adding isocyanate.

FENG Z, WANG Y, LIU L, KANG Y, LI D, QIN W, WU D

Environmentally friendly water-based paint comprises polyurethane-acrylate complex emulsion, silicone modified polyurethane emulsion, water, co-solvent, defoamer, wetting agent , leveling agent, and photocatalyst.

ZHANG J, YE S, WANG Y

Graphene composite filter screen useful in e.g. air purification, comprises polyether polyol, toluene diisocyanate, graphene material, activated carbon powder, catalyst, foam stabilizer, surfactant and additive.

WANG Y, WANG C, LIU S

Preparing lubricating additive used in lubricant to prepare cold rolling fluid, by subjecting amino group-containing polyethylene glycol derivative and carboxylated graphene to amidation reaction to form single-ended carboxylated graphene.

WANG Y, HU Y, ZHAO H, ZENG Z, XUE Q

Preparing polyamidoamine functionalized graphene-hyperbranched aqueous polyurethane useful in e.g. synthetic leather, fabric coating, comprises e.g. functionalizing and reducing graphite oxide using polyamide-amine with terminal amino group.

WANG X, FENG J, LUO X, WEI M, WANG Y, ZHAO W

Manufacture of sulfonated graphene oxide/high-solid-content aqueous polyurethane emulsion involves reacting dimethylolpropionic acid, sulfonated graphene oxide dispersion and oligomer diol-isophorone diisocyanate prepolymer, and emulsifying.

FENG J, WANG X, LUO X, WANG Y, BAI P

Tetrapolyurethane film used for medical, electrical and mechanical needs comprises diisocyanate, polyol, graphene, 2-acrylamido-2-methyl-1-propanesulfonic acid, styrene-acrylonitrile copolymer, heavy chain extender and catalyst.

HE J, WANG Y, YANG B