| 摘要 |
A solid composite air freshening article is provided which comprises a granular foam phase dispersed throughout a gelled phase in an amount effective to provide a sustained release of an effective amount of volatile air freshening ingredients present in both the foam and gelled phases. The foam phase comprises granules of a hydrophilic, polyurethane foam incorporating a volatile air freshening ingredient, a surfactant, and a solid filler material, while the gelled phase comprises water, a gelling agent, an organic solvent, and the same or a different air freshening ingredient as the granular foam phase.
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