Abstract

A new system for the controlled release of rose perfume is presented. Mesoporous SBA-15 and KIT-6 materials as controlled-release agent are synthesized via hydrothermal method. Rose perfume was introduced into the pores of SBA-15 and KIT-6 via the incipient wetness impregnation method. This silica reservoir maintained a slow release of rose perfume over more than 10h. Rose perfume release was controlled by configurational diffusion in the SBA-15 and KIT-6 pores having free diameters of less than 12 nm. The release of rose perfume was tuned by adapting pore diameter and temperature. By fitting the release data, the results show that the release actions of rose perfume in SBA-15 and KIT-6 are consistent with Korsmeyer-Peppas model and First-order’model respectively.

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