国家/地区 中国（18）
IPC部 C（18） B（2） D（2）
IPC大类 C08（18） C09（5） B63（2）
IPC小类 C08G（18）
IPC C08G018/48（18）
发明人 CHEN L（2） ZHANG H（2）
公开年 2023（18）
申请年 2022（13）  2023（4） 
专利权人

High-barrier heat-resistant solvent-free polyurethane composite material useful as film lamination in packaging composite field of e.g. daily chemical, comprises e.g. polyurethane prepolymer, graphene modified polyol, polyester polyol, nano-silicon dioxide modified polyether polyol and isocyanate.

HE C, TIAN L, WEN Y

Low density polyurethane foam material used in automobile carpet, comprises polyether polyol, catalyst, foam stabilizer, foaming agent, crosslinking agent and phenyl-containing diisocyanate, where foam stabilizer is prepared by reacting phenyl hydrogen-containing silicone oil and alkenyl polyether.

CHEN L

High-performance polyurethane vibration isolator comprises polytetrahydrofuran diol, graphene oxide, silane coupling agent, polyisocyanate, chain extender, antioxidant, and UV absorber.

YANG L, CHAI K, JING X, CHEN L

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 low-temperature-resistant antistatic polyurethane memory foam comprises adding graphene oxide and anhydrous N,N-dimethylformamide into ultrasonic cleaning machine, vacuum freeze-drying to obtain a preliminary conductive agent, centrifuging and molding.

ZHANG J, ZHUANG L, SHI X, LIN M, CHEN T, CHEN G

Carbon dioxide-based bi-component polyurethane thermal-conducting adhesive comprises isocyanate terminated double ended polyurethane prepolymer, spherical alumina as thermally conductive filler, polyether polyol, polybutadiene polyol and small molecule polyol.

CAO Y, LIU T, LIN H, ZHANG X

Preparing polyurethane material used in aviation, traffic, medical treatment, and textile fields comprise mixing thioglycerol, tetrahydrofuran, performing ultraviolet light irradiation reaction, adding dibutyltin dilaurate, 4-amino-4H-1,2,4-triazole, heating, aging, filtering, extracting and drying.

GUO H, DENG Z, QIU G

Production of graphite-based thermal insulation material by mixing polyether polyol and flame-retardant polyether polyol, pre-mixing isocyanate, composite catalyst and silicone oil with polyol mixture, adding polymethylene polyphenylene isocyanate to composite material and foaming mixed material.

LIU J

Single-component thermally conductive hot-melt polyurethane adhesive useful in electronic products comprises polyester polyol, polyether polyol, heat-conducting medium, flame-retardant medium, isocyanate and additive.

CHEN Z

Preparing bacteriostatic, sport protective and shock-absorbing badminton racket handle material used in sports equipment comprises preparing modified graphene oxide, preparing polyurethane I, and preparing mixture, where the graphene oxide is graphene oxide of chitosan.

ZHAN Q, PAN W