MULTILAYER BODY

A multilayer body that is obtained by bonding a separator, which serves as a base material, and a lip, which serves as a sealing member, to each other by the intermediary of an adhesive layer , wherein: the lip is formed of a rubber composition that contains the component (A) described below; and th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TANIGUCHI, Shota, YAMAMOTO, Kenji
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A multilayer body that is obtained by bonding a separator, which serves as a base material, and a lip, which serves as a sealing member, to each other by the intermediary of an adhesive layer , wherein: the lip is formed of a rubber composition that contains the component (A) described below; and the adhesive layer is formed of an adhesive that is mainly composed of the component (α) described below. Consequently, this multilayer body exhibits high acid-resistant adhesion at high temperatures, thereby having excellent long-term bonding reliability and excellent sealing properties. (A): A rubber component that is composed of at least one of an ethylene-propylene-diene rubber and an ethylene-butene-diene rubber. (α): A copolymerized oligomer-type silane coupling agent that comprises a specific hydrophilic functional group and a specific hydrophobic functional group at a specific ratio.