Viscoelastic MDI-Based Polyurethane Foam for Sound and Vibration Dampening in Automobiles 900093
The need for noise control became obvious when the U.S. Environmental Protection Agency (EPA) began in the early 1970's to seriously investigate the impact of vehicle noise on the welfare of Americans. One way of reducing interior noise in automobiles is through the use of sound absorbing and vibrational dampening materials. One example of an excellent medium for vibrational dampening is viscoelastic polyurethane foam.
An extensive description of the application of viscoelastic MDI-based foam for automotive carpet backing is presented in this paper. Acoustical and physical comparisons among viscoelastic foam, HR foam, and fiber pad are also presented.
Citation: McCullough, D. and Gansen, P., "Viscoelastic MDI-Based Polyurethane Foam for Sound and Vibration Dampening in Automobiles," SAE Technical Paper 900093, 1990, https://doi.org/10.4271/900093. Download Citation
Author(s):
Dennis McCullough, Peter Gansen
Pages: 10
Event:
International Congress & Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
Plastics in Automobile Instrument Panels, Trim and Seating-SP-0822
Related Topics:
Environmental protection
Interior noise
Foams
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