POLYPROPYLENE FILM, METAL LAYER-INTEGRATED POLYPROPYLENE FILM, FILM CAPACITOR AND FILM ROLL

To provide a polypropylene film which is capable of suppressing blocking in a rolled polypropylene film.SOLUTION: Provided is a polypropylene film which has a first surface and a second surface, while containing a polypropylene resin as a main component, and which is configured such that: the Svk va...

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Bibliographische Detailangaben
Hauptverfasser:	NAKADA MASAHIRO, ISHIDA TATSUJI, OKUYAMA YOSHIMUNE, ISHIWATARI TADAKAZU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMISTRY COMPOSITIONS BASED THEREON CONVEYING ELECTRICITY GENERAL PROCESSES OF COMPOUNDING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING 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:	To provide a polypropylene film which is capable of suppressing blocking in a rolled polypropylene film.SOLUTION: Provided is a polypropylene film which has a first surface and a second surface, while containing a polypropylene resin as a main component, and which is configured such that: the Svk value (SvkA) of the first surface is from 0.005 μm to 0.030 μm (inclusive); the Spk value (SpkA) of the first surface is more than 0.035 μm and 0.080 μm or less; the Svk value (SvkB) of the second surface is from 0.005 μm to 0.030 μm (inclusive); and the Spk value (SpkB) of the second surface is from 0.015 μm to 0.035 μm (inclusive).SELECTED DRAWING: None 【課題】ロール状に巻回されたポリプロピレンフィルムのブロッキングを抑制することが可能なポリプロピレンフィルムを提供すること。【解決手段】第１の面と第２の面とを有するポリプロピレンフィルムであって、主成分としてポリプロピレン樹脂を含有し、第１の面のＳｖｋ値（ＳｖｋＡ）が０．００５μｍ以上０．０３０μｍ以下であり、第１の面のＳｐｋ値（ＳｐｋＡ）が０．０３５μｍを超え０．０８０μｍ以下であり、第２の面のＳｖｋ値（ＳｖｋＢ）が０．００５μｍ以上０．０３０μｍ以下であり、第２の面のＳｐｋ値（ＳｐｋＢ）が０．０１５μｍ以上０．０３５μｍ以下であるポリプロピレンフィルム。【選択図】なし