| 摘要 |
A multi-layer article is provided containing a sorbent layer having a first side and a second side; a vapor permeable or microporous layer adjacent to at least a portion of at least one of the first side and second side of the sorbent layer; optionally, a second vapor permeable or microporous layer on a side of the vapor permeable or microporous layer not adjacent to the sorbent layer; optionally, a vapor impermeable layer adjacent to a portion of the sorbent layer not adjacent to the vapor permeable or microporous layer; and an active composition having at least one volatile component; wherein the sorbent layer contains the active composition, and each layer is capable of being formed into a required shape or structure; and a method for its use in treating the atmosphere of an environment such as a compartment or localized space. |
