1 UNIAXIALLY STRETCHED POLYIMIDE-BASED FILM AND METHOD FOR PREPARING THE SAME

The present invention relates to a uniaxially stretched polyimide-based film, and a production method thereof. According to the present invention, the uniaxially stretched polyimide-based film ensures excellent bending resistance, thereby being suitable to be used in foldable displays. To this end,...

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Bibliographische Detailangaben
Hauptverfasser:	CHOI, HYUNG SAM, EOM, YOUNG SIK, KIM, BYUNG GUK, YU, YUN AH
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a uniaxially stretched polyimide-based film, and a production method thereof. According to the present invention, the uniaxially stretched polyimide-based film ensures excellent bending resistance, thereby being suitable to be used in foldable displays. To this end, the uniaxially stretched polyimide-based film contains a polyimide-based block copolymer. 본 발명은 1축 연신 폴리이미드계 필름 및 이의 제조 방법에 관한 것으로, 본 발명에 따른 1축 연신 폴리이미드계 필름은 내절성이 우수하여 접이식 디스플레이에 사용이 적합하다.