WATER-DISPERSIBLE ADHESIVE COMPOSITION AND ADHESIVE SHEET

Provided is a waterdispersed pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive that combines removability and repulsion resistance at a high level. This invention provides a water-dispersed pressure-sensitive adhesive composition comprising a pressure-sensitive...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KOSO, Masatsugu
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Provided is a waterdispersed pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive that combines removability and repulsion resistance at a high level. This invention provides a water-dispersed pressure-sensitive adhesive composition comprising a pressure-sensitive adhesive polymer as its base polymer and an isocyanate-based crosslinking agent. The pressure-sensitive adhesive polymer has a weight ratio G A of ethyl acetate-insoluble portion of 10 % to 50 %. The isocyanate-based crosslinking agent is contained so as to yield a weight ratio G B of 15 % to 45 % with respect to the ethyl acetate-insoluble portion of a crosslinked pressure-sensitive adhesive formed from the pressure-sensitive adhesive composition.