PRESSURE-SENSITIVE ADHESIVE

PURPOSE:To provide the titled adhesive composed of a graft copolymer produced by polymerizing (meth)acrylic acid to the main chain of an acrylic polymer in a specific molecular design, having excellent cohesive force and exhibiting improved adhesive characteristics, especially adhesivity under low-t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ONISHI HIROHITO, YATAGAI TAKAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	PURPOSE:To provide the titled adhesive composed of a graft copolymer produced by polymerizing (meth)acrylic acid to the main chain of an acrylic polymer in a specific molecular design, having excellent cohesive force and exhibiting improved adhesive characteristics, especially adhesivity under low-temperature condition or to a rough surface. CONSTITUTION:The objective adhesive is composed of a graft copolymer (having a weight-average molecular weight of >=100,000) consisting of (A) a main chain composed of an acrylic polymer having a glass transition temperature of =50wt.% of a (meth)acrylic acid ester derived from a =1,000 and produced by polymerizing >=5wt.% of (meth)acrylic acid.