Materiali acustici fonoisolanti e fonoassorbenti di origine vegetale

Acoustic materials of vegetable origin can be a good alternative to traditional ones both from the technical and environmental point of view but very few of them are technologically mature enough to be commercialized. The present paper reports a state of the art of this family of materials, providing the acoustic characteristics starting from the most widespread and promising products to the unconventional ones. These products are realized using the residuals of the cultivation process or of the processing industry so their environmental impact is very low, if the raw materials are local and are not in contrast with food crops.