POLYIMIDE FILM HAVING EXCELLENT RESILENCE PROPERTY

The present invention relates to a copolymerized polyimide film which comprises: at least one diamine; and at least one acid dianhydride, and more specifically, to a polyimide film which can be used as a cover window of a display by securing excellent resilience and high bending properties at the sa...

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Bibliographische Detailangaben
Hauptverfasser:	AHN KYUNGIL, LEE HOYONG, YU DAYEONG, KIM DONGYOUN, SHIM JAEHYUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a copolymerized polyimide film which comprises: at least one diamine; and at least one acid dianhydride, and more specifically, to a polyimide film which can be used as a cover window of a display by securing excellent resilience and high bending properties at the same time due to high modulus of resilience and yield strength. 본 발명은 적어도 1종의 디아민; 및 적어도 1종의 산이무수물을 포함하여 공중합된 폴리이미드 필름으로서, 보다 상세하게는 높은 레질리언스(Modulus of Resilienc)와 항복강도로 인해 우수한 복원성과 고굴곡 특성을 동시에 확보하여 디스플레이의 커버윈도우로 사용될 수 있는 폴리이미드 필름을 제공한다.