PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET

PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET

PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive composition having sufficient durability and adhesiveness when applied to a rugged portion or a thick print layer without producing a void in an end face, preventing bulging or foaming, having transparency and followability to a level di...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAKAGAWA NOBUO, KANO HAJIME
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 composition having sufficient durability and adhesiveness when applied to a rugged portion or a thick print layer without producing a void in an end face, preventing bulging or foaming, having transparency and followability to a level difference portion, and giving a thick film without inducing a problem. SOLUTION: The pressure-sensitive adhesive composition comprises an acrylic copolymer containing a carboxy group-containing monomer as a copolymerization component, an acrylic copolymer oligomer containing a carboxy group-containing monomer as a copolymerization component, and a crosslinking agent having a functional group in the molecule, the functional group being reactive with the pressure-sensitive adhesive composition. The mixing ratio of the acrylic copolymer and the acrylic copolymer oligomer ranges from 100/20 to 100/60 (in a weight ratio). COPYRIGHT: (C)2011,JPO&INPIT