FILM, AND METHOD FOR PRODUCING FILM

To provide a film that contains liquid crystal polyester and has a reduced stress relaxation value.SOLUTION: A film contains liquid crystal polyester. The film has a surface roughness of 2.0 μm or less as represented by a maximum sectional height Rtm. The sum of the standard deviations of lightness...

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Hauptverfasser:	TOSA MOMOHA, OTOMO SHINJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a film that contains liquid crystal polyester and has a reduced stress relaxation value.SOLUTION: A film contains liquid crystal polyester. The film has a surface roughness of 2.0 μm or less as represented by a maximum sectional height Rtm. The sum of the standard deviations of lightness L, chromaticity a, and chromaticity b* in the CIELAB color space for each film is 1.5 or less.SELECTED DRAWING: None 【課題】液晶ポリエステルを含み、応力緩和の値が低減されたフィルムを提供する。【解決手段】液晶ポリエステルを含むフィルムであって、前記フィルムの最大断面高さＲｔｍで表される表面粗さが２．０μｍ以下であり、前記フィルム１枚あたりの、ＣＩＥＬＡＢ色空間における、明度Ｌ＊、色度ａ＊、及び色度ｂ＊の標準偏差の和の値が１．５以下である、フィルム。【選択図】なし