国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08K（2） C08L（2）
IPC C08K003/04（2）
发明人
公开年 2022（3）
申请年 2022（3） 
专利权人 UNIV GUILIN TECHNOLOGY（3）

Preparing polyimide based on conjugated carbonyl group, comprises e.g. dissolving dianhydride monomer in N-methylpyrrolidone, stirring, adding diamine monomer, and performing polycondensation reaction to obtain polyimide acid solution, cooling, drying and removing solvent.

SUN J, CHEN W, JI F, LIU B

Preparation of self-healing shape memory material used in smart response applications, involves mixing 2-acrylamido-2-methylpropanesulfonic acid, ammonium persulfate and water, adding polyethylene glycol diacrylate and graphene oxide, ultrasonically oscillating, crosslinking and heat-drying.

LU S, RUAN H, XU X, BAI Y, XIE X, LI Y

High-efficiency flame retardant for use in epoxy resin composite materials, comprises graphene oxide synergistically modified by halogen-free phosphorus-nitrogen compound.

YUE L, LI F, YU B, WANG X, RAO W, WU T, YANG F, YU C