摘要 |
<p>Described is a time release fragrance sachet for air freshening, particularly for use in clothing storage cabinets. The sachets comprise a container fabricated from a substance either sufficiently porous for perfumes to pass therethrough or having openings capable of permitting fragrances to pass through the walls thereof. The sachets each contain thermoplastic particles which have contained in the interstices thereof fragrance materials. The polymer particles can be foamed particles produced using chemical blowing agents or direct gas extrusion processes. Also described are methods for fabricating such sachets and methods of using same.</p> |