国家/地区 中国（3） 世界知识产权组织（3） 韩国（2）
IPC部 C（6）
IPC大类 C08（6）
IPC小类 C08G（6）
IPC C08L079/08（6）
发明人 LI L（2）
公开年 2023（6）
申请年 2022（6）
专利权人 PI ADVANCED .（2）

Composition used to produce thermoset composite material comprises cyanate ester comprising difunctional cyanate ester compound and polyfunctional cyanate ester moiety and substituted bisimide compound comprising biscitraconimide compounds.

LA DELFA G, FOURNIER J, ABGOTTSPON M, MAYERHOEFFER U, ELLINGER S

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

Polyimide film is obtained by imidization reaction of polyamic acid containing quinoline and beta-picoline as imidation catalyst and acetic anhydride as dehydrating agent.

JUNG H, WON D, WON D Y

Preparing polyimide film comprises e.g. mixing film polyimides, thermally conductive fillers and solvents, uniformly dispersing to obtain mixed dispersion, and coating the dispersion on substrate, and synthesizing by polymerization.

NIU S, SUN X

Preparing nanoparticle-modified resin matrix based on direct ultrasonic dispersion method useful for resin or composite material forming, comprises e.g. adding curing agent to main resin, adding nanoparticles, immersing ultrasonic horn in resin mixture, and dispersing nanoparticles.

MA Z, FENG Z, YANG Y, LI L