Abstract
Five different organosilicon carriers, with various molecular architectures - [(poly-(dimethylsiloxane-co- methylsiloxane) (containing 61 % of [–SiMeHO-] monomeric units) (P), silicone resin (Q), tetramethyldisiloxane (M) tetramethylcyclotetrasiloxane (D) and tris (dimethylsilyl)methane [HC(SiMe2H)3, (T)] were covalently bonded with model fragrant systems, including 1- and 2-phenylethyl alcohol, acetophenone, 2-phenylpropionic aldehyde, geraniol, 2-phenyl-1-propyl alcohol, 2-octanone and octyl aldehyde in order to obtain novel controlled fragrance release systems. Hydrolytic release of the fragrances was studied under base (NaOH) and acid (HCl) catalysis. It has been shown that polymer carriers allow for a controlled slow release of the relevant fragrant ingredients from the conjugates, whereas the low molecular weight systems (M, D and T) more easily cleave off fragrant moieties.
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Ganicz, T., Kurjata, J., Perry, R.J. et al. Organosilicon Fragrance Carriers. Silicon 7, 333–341 (2015). https://doi.org/10.1007/s12633-015-9309-4
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DOI: https://doi.org/10.1007/s12633-015-9309-4