Sound absorbing ostomy pouch

摘要

An ostomy appliance includes at least one nonwoven layer adhesively attached to at least one of the pouch walls with a sound absorbing adhesive therebetween. The sound absorbing adhesive comprises a vinyl-bond rich triblock copolymer. The ostomy appliance has improved sound absorbing properties to insulate flatus gas noise.

主权项

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.