国家/地区 韩国（11）
IPC部 C（11）
IPC大类 C08（11） B32（2） C01（2）
H05（2）
IPC小类 C08G（11）
IPC C08J005/18（11）
发明人 JIN J（2） LEE K（2） WON D Y（2）
公开年 2023（4）
申请年 2021（3）  2022（2） 
专利权人 PI ADVANCED .（2）

Composition useful in e.g. article, preferably flexible display device of electromagnetic wave shielding film and for transportation devices comprises graphene oxide, nano cellulose, reducing agent comprising hydroxy and amino group.

HONG S W, BAE S, HONG P H, LEE Y, HANUI K, CHOI K W, NO A

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

Polyimide film used in multilayer film and flexible metal clad laminate, is obtained by imidizing polyamic acid solution containing dianhydride component including e.g. biphenyltetracarboxylic dianhydride, and diamine component including e.g. m-tolidine, and comprises graphene nanoplatelets.

JEON J, YEO M, BACK S, LEE K, CHUN J, BAEK S, LEE K N

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

Manufacturing heat dissipation sheet e.g. for light-emitting diode lighting lamp comprises e.g. mixing heat dissipation sheet main raw material of conductor powder and additives in bind composed of liquid nitrile rubber-modified epoxy resin.

BAEK L J

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

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

Reduced graphene oxide used for forming electrode of gas sensor for sensing e.g. biomarker gas, is obtained by providing graphene oxide on surface of film and reducing graphene oxide at specified temperature by photo-sintering.

IL D K, SEON J C

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

Thermoplastic polyurethane film is formed by fusing and extruding composition comprising specified amount of graphene powder and thermoplastic polyurethane.

KI H K