国家/地区 韩国（13）
IPC部 C（13）
IPC大类 C08（13） C01（3） B82（2）
C09（2）
IPC小类 C08G（13）
IPC C08L079/08（13）
发明人 CHOI J Y（2） JIN J（2） KIM D（2）
WON D Y（2） YOU N H（2）
公开年 2021（3） 2023（3） 2014（2）
申请年 2020（3）  2013（2）  2022（2） 
专利权人 PI ADVANCED .（3） KOREA INST S.（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

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

Producing liquid crystalline graphene oxide polyamate composite film, comprises coating the liquid crystal solution containing graphene oxide and polyamic acid in liquid crystal phase, on a substrate, arranging and drying.

YOU N H, RYU J S, YUN L S, JIN J

Producing polyimide aerogel used for three-dimensional model conveniently in various fields i.e. food, comprises e.g. preparing polyamic acid salt by dissolving diamine, dianhydride and tertiary amine-based photocuring agent in solvent.

CHUNG C M, CHOI Y J, CHOI J Y, JIN S W, PARK H J, SEUNGHYOUN L, LEE J S, LEE J, AHN H S, KIM D

Composition for forming composite material, comprises polyaryletherketone copolymer comprising polyetheretherketone containing structural unit and poly(ether diphenyl ether ketone) containing structural unit, and poly(etherimide).

RICH J, ELHIBRI M J, LEACH J, ELHIBRI M

Maleimide resin film used in maleimide resin composition and as adhesive resin film having low dielectric property, comprises maleimide, (meth)acrylate, inorganic particles with respect to whole resin film and curing catalyst.

IGUCHI H, TSUTSUMI Y, KASHIWAGI T, DI J

Producing polyimide powder useful for polyimide molded product, comprises dispersing dianhydride compound, diamine compound, and graphene powder in mixed solvent to prepare dispersion, introducing into reactor, and filtering and drying.

LEE K N, CHUN J, JEON J

Polyimide film for forming graphite sheet for electronic device, is derived from precursor composition comprising polyamic acid, and comprises inorganic filler having sublimation property, and graphene-containing spherical polyimide filler.

KIM K S, CHOI J Y, WON D Y, JIN J, CUI Z, YUAN D

Composition, useful for preparing a barrier film useful in a flexible display product e.g. LCD, comprises graphene particle, transparent polyelectrolyte solution, polyamic acid solution and dispersing agent.

SUN Y K, HUNG K A, HYUN S O, KYUNG I A, JUNG B K

Method for forming high-strength graphene-reinforced polymer matrix composite for e.g. aircraft part for commercial application, involves applying succession of shear strain events to molten polymer phase.

NOSKER T, LYNCH J, KEAR B, HENDRIX J, CHIU G, ZHAO G, HENDRIKS J, NOSKER T J, LYNCHBRANZOI J K, KEAR B H