▎ 摘 要
NOVELTY - Composition comprises polyurethane and graphene-carbon nanotube structure. USE - The composition is useful for attenuating vibration (claimed). ADVANTAGE - The composition has high vibration and noise attenuation efficiency. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for vibration attenuating material comprising a viscoelastic layer containing the composition and formed on at least one side of a vibrating body.