SOUND ABSORBING LAMINATE, AND MANUFACTURING METHOD AND MOUNTING METHOD OR THE SAME, SOUND ABSORBING UNIT FOR ROAD INCLUDING SOUND ABSORBING LAMINATE, AND BUILDING STRUCTURE SUBJECTED TO MOUNTING OF SOUND ABSORBING LAMINATE

摘要

PROBLEM TO BE SOLVED: To provide a lightweight sound absorbing laminate with high workability and maintainability.;SOLUTION: A sound absorbing laminate according to the present disclosure includes a polyolefin nonwoven fabric layer, a sound absorbing material including polypropylene fibers, and a polypropylene substrate in this order. The sound absorbing material is sealed with the polyolefin nonwoven fabric layer and the polypropylene substrate at a peripheral edge of the polyolefin nonwoven fabric layer.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT