POLYIMIDE FILM AND METHOD FOR PRODUCING SAME

• Main Authors: YOO, Dae-Geon, WON, Dong-Young, KIM, Dong-Young
• Format: Patent
• Language: English; French; Korean
• Published: 25.01.2024
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

The present invention provides: a polyimide film having a surface hardness of 0.4 GPa to 0.6 GPa, as measured by a nanoindenter; and a method for producing same. La présente invention concerne : un film de polyimide ayant une dureté de surface de 0,4 GPa à 0,6 GPa, telle que mesurée par un nanoindenteur ; et son procédé de production. 본 발명은 나노인덴터(nanoindenter)로 측정된 표면의 경도(hardness)가 0.4 GPa 이상, 0.6 GPa 이하인 폴리이미드 필름 및 그 제조방법을 제공한다.