Sound Absorption and Insulation Properties of Electrospun Nylon-6 and Polyurethane Nanofibre Mats
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Nylon-6 and polyurethane nanofibres membrane were prepared by electrospinning technique and glued to a polyurethane foam to study the sound absorption and insulation behavior. An impedance tube was used to measure the sound absorption and airborne sound insulation. The results obtained from the sound absorption and airborne sound insulation tests indicated that the pristine electrospun nanofibres of nylon-6 and PU have very low acoustical performance. However, when applied alongside the porous sound material, the resulting hybrid structure showed highly enhanced performance. We believe that this study can broaden the application of electrospun nanofibres for sound pollution control.