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US 4,789,586 AGranted
Vibration damping metal panels
AssigneeBridgestone Corporation
InventorsYasuhiro Morimura, Yukio Fukuura, Hikaru Ishikawa, Itsuo Tanuma, Toshio Honda
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Abstract
A vibration damping metal panel having an excellent post-workability is disclosed, which comprises two metal plates and an intermediate layer interposed therebetween and composed mainly of (A) at least one rubbery polymer having .alpha., .beta.-unsaturated carboxylate group in its molecule and (B) a substance selected from polymerizable monomers and mixtures thereof and thermosetting epoxy resins.
Claims3
A vibration damping metal panel comprising two metal plates and an intermediate layer interposed therebetween, wherein said intermediate layer is composed of:
- (A) 100 parts by weight of a thermosetting epoxy resin, and
- (B) 20-200 parts by weight of an acrylonitrile-butadiene copolymer rubber or an acrylonitrile-butadiene copolymer rubber having a carboxyl group, amino group or hydroxyl group in its terminal or main chain,
- wherein said intermediate layer is cured by heating and has a thickness of 0.05 to 0.5 mm.
Dependencies are inferred from the claim text.