CHROMATE-FREE RESIN-COMPOSITE VIBRATION DEADENING MATERIAL

A CHROMATE-FREE RESIN COMPOSITE DAMPING MATERIAL IS PROVIDED HAVING A MULTILAYER STRUCTURE. THE MATERIAL CAN INCLUDE AN VISCOELASTIC RESIN COMPOSITION PROVIDED BETWEEN TWO METAL PLATES AS AN INTERMEDIATE LAYER, WHERE THE VISCOELASTIC RESIN COMPOSITION CAN INCLUDE A THERMOSETTING RESIN FURTHER INCLUD...

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1. Verfasser: NOBUO KADOWAKI
Format: Patent
Sprache:eng
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Zusammenfassung:A CHROMATE-FREE RESIN COMPOSITE DAMPING MATERIAL IS PROVIDED HAVING A MULTILAYER STRUCTURE. THE MATERIAL CAN INCLUDE AN VISCOELASTIC RESIN COMPOSITION PROVIDED BETWEEN TWO METAL PLATES AS AN INTERMEDIATE LAYER, WHERE THE VISCOELASTIC RESIN COMPOSITION CAN INCLUDE A THERMOSETTING RESIN FURTHER INCLUDING AN AMORPHOUS COPOLYMERIZABLE POLYESTER RESIN AND A CURING AGENT. A SURFACES OF EACH METAL PLATE CONTACTING THE RESIN COMPOSITION CAN BE PROVIDED WITH A CHROMATE-FREE ADHESION BOUNDARY FILM WHICH INCLUDES BETWEEN ABOUT 5 AND 50 MASS % OF SILICA, BETWEEN ABOUT 5 AND 50 MASS % OF A POLYESTER RESIN, BETWEEN ABOUT 1 AND 50 MASS % OF TANNIC ACID, AND BETWEEN ABOUT 0 AND 30 MASS % OF A SILANE COUPLING AGENT. SUCH DAMPING MATERIAL CAN PROVIDE EXCELLENT DURABLE ADHESION PROPERTIES.