SURFACE PROTECTION FILM

The present invention provides a surface protection film that has moderate adhesive properties for bonding to adherend bodies with a rough surface, has a rear surface with good slipping properties, and also has blocking resistance and good unwinding properties. The surface protection film according...

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Bibliographische Detailangaben
Hauptverfasser:	NAGAE, YOSHIKAZU, SATOU, JUNYA, IMAI, SHIRO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The present invention provides a surface protection film that has moderate adhesive properties for bonding to adherend bodies with a rough surface, has a rear surface with good slipping properties, and also has blocking resistance and good unwinding properties. The surface protection film according to the present invention has a laminated structure formed at least of an adhesive layer and a back layer, wherein the adhesive layer is formed mainly of a styrene-based elastomer while the back layer is formed mainly of a propylene-based resin containing 0.5 wt% to 10 wt% of a fluorine-containing compound having a polyfluorohydrocarbon group and a polyoxy ethylene group, the back layer having a surface roughness of 3 µm or more in terms of ten-point average roughness (Rz), an initial adhesion strength of 1 N/25 mm or more to a #320 hair-line-finished SUS 304 plate, and an unwinding force of 0.5 N/25 mm or less for winding off a film wound up in a roll.