TWI567121B

PROBLEM TO BE SOLVED: To provide a base material-less two-sided adhesive tape reduced in remaining of adhesive (peeling failure).SOLUTION: A lengthy base material-less two-sided adhesive tape 10 includes: a light-to-release sheet 1, a base material-less adhesive layer 2 and a heavy-to-release sheet...

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Bibliographische Detailangaben
Hauptverfasser:	KURATA, YUICHI, SHINODA, HIROFUMI, OHASHI, HITOSHI
Format:	Patent
Sprache:	chi
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING 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 PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a base material-less two-sided adhesive tape reduced in remaining of adhesive (peeling failure).SOLUTION: A lengthy base material-less two-sided adhesive tape 10 includes: a light-to-release sheet 1, a base material-less adhesive layer 2 and a heavy-to-release sheet 3, in which a peeling surface of the light-to-release sheet is in contact with one main surface of the base material-less adhesive layer, and a peeling surface of the heavy-to-release sheet is in contact with the other main surface. The peeling force Fof the light-to-release sheet and the peeling force Fof the heavy-to-release sheet satisfy the following expression (1), F-F≥10 mN/50 mm (1). The main surface on a remover layer side in the light-to-release sheet includes pasteless areas 1d, 1e, that are area in which the base material-less adhesive layer is not laminated, at both ends in the width direction.