RESIN COMPOSITION FOR MATERIAL TO REDUCE REFLECTION OF SOUND WAVE IN WATER, AND MATERIAL TO REDUCE REFLECTION OF SOUND WAVE IN WATER

摘要

PURPOSE: To provide the title material which has a sound transmission constant sufficiently changeable and a void content accurately adiustable, exhibits an effective reduction effect in sound reflection, and effectively prevents water from permeating into voids. ;CONSTITUTION: The title compsn. is obtd. by dispersing microballoons 3 having flexible walls in a flexible viscoelastic reactive resin 2, and the title material is obtd. by curing the compsn.;COPYRIGHT: (C)1995,JPO