Patent ID: 9694097
Date: 2017-07-04
CPC Classifications: A61L,C09D,Y10T

Claim:
1. An article comprising a base material comprising fibers, wherein pores are formed between the fibers; a volatile composition comprising a member selected from the group consisting of fragrances, flavor compounds, odor-eliminating compounds, aromatherapy compounds, natural oils, essential oils, water-based scents, odor neutralizing compounds, and combinations thereof, wherein the pores of the base material are at least partially filled with the volatile composition; and a modulating coating comprising wherein the modulating coating is applied as a continuous coating layer to an outer surface of the base material with the barrier substance and the hygroscopic silica nanoparticles dispersed therein; wherein the barrier substance hinders a release of the volatile composition through the modulating coating; wherein the hygroscopic silica nanoparticles facilitate the release of the volatile composition through the modulating coating.