| 摘要 |
A multilayer composite for diffusing an odorous substance. The composite which comprises an absorbent support-reservoir layer designed to be printed and to receive an odorous substance intended to be diffused, a printable and/or printed support layer, and a polymer barrier layer, such as a polymer film, positioned between printable and/or printed support layer and absorbent support-reservoir layer, to prevent migration of this substance between support layers.
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