PROTECTING FILM

PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive film, wherein a small amount of ingredients is not moved to an adherend upon the adhesion to the adherend and the peeling of the film and no floating nor peeling-off by lowering adhesive force is occurred in the adhesion of the peeled su...

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Bibliographische Detailangaben
Hauptverfasser:	HASEGAWA SATORU, HAYASHI MASUFUMI, ORII HIROMITSU, FUJIWARA TAMOTSU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive film, wherein a small amount of ingredients is not moved to an adherend upon the adhesion to the adherend and the peeling of the film and no floating nor peeling-off by lowering adhesive force is occurred in the adhesion of the peeled surface of the film to another substrate such as a reinforcing plate. SOLUTION: A copolymer of an alkyl (meth)acrylate and a vinyl monomer containing a carboxylic group is adhered to an adhesive layer which is formed by coating an adhesive agent cured by an epoxy type cross-linking agent on a substrate surface of a film, and then an adhesive film having a wetted tension of 40 dyne/cm or more by a wetted tension test method of a peeled polyimide sheet surface is used, whereby floating and peeling-off of a reinforcing plate adhered to a peeled surface can be prohibited. COPYRIGHT: (C)2007,JPO&INPIT