DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE FOR BONDING VULCANIZED RUBBER

PURPOSE:To provide a double-sided pressure-sensitive adhesive tape for bonding vulcanized rubber, which hardly causes a reduction in tackiness on the surface, to which a vulcanized rubber molded article is not bonded, due to bleeding, when the article is stored for a long period of time as a taped v...

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Hauptverfasser: UMEDA MICHIO, ONISHI HIROHITO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To provide a double-sided pressure-sensitive adhesive tape for bonding vulcanized rubber, which hardly causes a reduction in tackiness on the surface, to which a vulcanized rubber molded article is not bonded, due to bleeding, when the article is stored for a long period of time as a taped vulcanized rubber molded article, even if the article is not coated with a primer in advance as has been done conventionally. CONSTITUTION:A substrate containing as an essential component a natural rubber graft polymer formed by grafting a vinyl monomer whose homopolymer has a glass transition temperature of 20 deg.C or higher, onto a natural rubber is held between a plastic film as the support and a rubber-base pressure-sensitive adhesive layer a the pressure sensitive adhesive layer.