Constrained layer damping compositions

Details Constrained layer damping compositions Constrained layer damping compositions

1998-10-30

2000-08-29

Cooney, Jr., John M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521101, 521134, 521139, 521140, 521150, C08J 900

Patent

active

061109851

ABSTRACT:
A constrained layer damping structure is provided, including a panel to be damped, a constraining layer and a layer of foam vibration damping material sandwiched therebetween. The foam vibration damping material is provided from a composition including 1-20 weight percent elastomeric polymer, 20-60 weight percent thermoplastic polymer, 0.5-18 weight percent tackifier, 4-23 weight percent asphalt filler, 20-50 weight percent inorganic filler and 0.2-7 weight percent blowing agent.

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