STRETCHED FILM AND METHOD OF PRODUCING THE SAME

The present invention relates to a stretched film, which contains at least 100 ppm of a solvent, and satisfies that Is/It is 0.7 to 3.0 in formula (1), wherein the Is is the crystallization peak intensity of a film surface layer measured by a GIXA method, and the It is the crystallization peak inten...

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Bibliographische Detailangaben
Hauptverfasser:	REN RIEKO, HOKITA YUKI
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 METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE 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 stretched film, which contains at least 100 ppm of a solvent, and satisfies that Is/It is 0.7 to 3.0 in formula (1), wherein the Is is the crystallization peak intensity of a film surface layer measured by a GIXA method, and the It is the crystallization peak intensity inside the film measured by the GIXA method after removing 30 to 70% of the whole film thickness from the surface of the film. 연신 필름은, 100ppm 이상의 용매를 함유하고, 조건식 (1); Is/It=0.7 내지 3.0을 만족한다. 단, Is는, GIXA법으로 측정한 필름 표층의 결정화 피크 강도이고, It는, 필름의 표면으로부터 필름 전체 두께의 30 내지 70％를 제거한 후에, GIXA법으로 측정한 필름 내부의 결정화 피크 강도이다.