Patent ID: 9050387
Filing Date: 2015-06-09
Classification: A61F,A61L

Abstract:
1. A sound absorbing ostomy pouch, comprising: a first wall, a second wall, wherein the first wall and the second wall are sealed along their peripheral edges to define a cavity; a first nonwoven layer adhesively attached to the first wall by a sound absorbing adhesive therebetween; and wherein the sound absorbing adhesive comprises about 60 wt.% to about 80 wt.% of at least one tackifier and about 2 wt.% to about 40 wt.% of a vinyl-bond rich triblock copolymer, wherein the vinyl-bond rich triblock copolymer has a tangent delta peak temperature of greater than about −20° C., and wherein the sound absorbing adhesive has a tangent delta of greater than about 1.0 at 25° C. between 150 Hz and 2,000 Hz frequencies.