国家/地区 中国（30） 韩国（4） 美国（4） 世界知识产权组织（4）
IPC部 C（39） B（7） H（4）
D（3） F（2）
IPC大类 C08（39） C09（6） H01（4）
B01（3）
IPC小类 C08G（39）
IPC C08K003/04（39）
发明人 ZHANG H（4） CHEN Y（3） LI L（3）
WANG Y（3） YUAN Y（3） ZHANG J（3）
CHEN G（2） FENG Z（2） LIU H（2）
LIU J（2） LIU S（2） WANG X（2）
ZHANG A（2） ZHANG Y（2） ZHAO J（2）
公开年 2023（39）
申请年 2022（39）
专利权人 PI ADVANCED .（2） UNIV JIANGNA.（2） UNIV SOUTH C.（2）

Producing polyimide powder used in display, automobile, medical, battery, and aerospace, involves preparing polyamic acid solution, preparing polyimide mixed solution by heating polyamic acid solution, and filtering and drying precipitate present in mixed solution to obtain polyimide powder.

LEE H S, YANG M S, LEE I S, LEE H, YANG M

Preparing polyimide-based shape-memory composite aerogel by carrying out polycondensation reaction of diamine monomer and dianhydride monomer in N-methylpyrrolidone, placing obtained polyamic acid gel in water, freeze-drying, and dispersing polyamic acid filaments and graphene oxide in water.

LI L, GUO M, LIU T

Aqueous polyurethane Pickering emulsion useful in field of high performance material has polyurethane prepolymer, amphiphilic two-dimensional nanomaterial, hydrophilic polymer and water, where polyurethane prepolymer is product of diisocyanate and macromolecular polyols after prepolymerization.

YUAN Y, DUAN Y, LI Y, ZHANG B, ZHANG A, ZHANG J, ZHOU 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

Processing bio-based environmentally friendly polyurethane foam material useful in e.g. automobile decoration, comprises e.g. dispersing polyethyleneimine complex in ethanol, coating on glass substrate, adding bio-oil-derived polyols, foam stabilizer and blowing agent into container, and curing.

ZHANG H, HAN J

Preparing flame-retardant graphene polyamide 6 composite material comprises e.g. mixing and reacting ethylenediamine and dibasic acid chloride to generate small molecule polyamide, and carrying out ring-opening, polymerization reaction, and substitution reaction.

CAO J, HUANG R, NI Z

Preparing continuous fiber reinforced aromatic polyimide 3D printing thermal conductive composite material comprises e.g. impregnating continuous fiber filaments or tapes in aromatic polyimide prepolymer/thermal conductive filler, adjusting glue content and ribbon shape, curing resin.

LIU S, ZHAO J, LI L, YUAN Y

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

Anti-explosion shock wave polyurea composite material of modified graphene used in preparation of protective appliance for explosion-proof impact wave comprises diisocyanate, polycarbonate diol, amine chain extender, and isocyanatized modified graphene.

CAI Q, GAO C, ZHAO X, CHEN G, MI J, ZHANG H, ZENG L, LIAO Z, DU J, LIU D, WEN D, LI C, JIANG J, ZHANG A