Patent ID: 9511571
Filing Date: 2016-12-06
CPC Classification: B29C,B29K,B29L,B32B,Y02T,Y10T

Claim Text:
1. A damped composite laminate, comprising: a first and a second layer comprising a carbon fiber and a resin; a third layer disposed between the first and second layers, the third layer including damping material comprising a first viscoelastic material having a first glass transition temperature and a reinforcement medium comprising a second viscoelastic material having a second glass transition temperature greater than the first glass transition temperature, the reinforcement medium comprising fiber material, the materials in the third layer different than the resin in the first and second layers; and, a first barrier layer disposed between and contacting the first layer and the third layer, and a second barrier layer disposed between and contacting the second layer and the third layer, said first and second barrier layers being formed of a fabric of at least 0.0005 inch thick, the first barrier layer and the second barrier layer configured to substantially prevent intermixing of material comprising said first and second layers with material comprising said third layer.