Encapsulation and Enhanced Retention of Fragrance in Polymer Microcapsules
- Encapsulation and Enhanced Retention of Fragrance in Polymer Microcapsules
- Lee, Hyomin; Choi, Chang-Hyung; Abbaspourrad, Alireza; Wesner, Chris; Caggioni, Marco; Zhu, Taotao; Weitz, David A.
- Date Issued
- Fragrances are amphiphilic and highly volatile, all of which makes them a challenging cargo to efficiently encapsulate and retain in microcapsules using traditional approaches. We address these limitations by introducing a new strategy that combines bulk and microfluidic emulsification: a stable fragrance-in-water (F/W) emulsion that is primarily prepared from bulk emulsification is incorporated within a polymer microcapsule via microfluidic emulsification. On the basis of the in-depth study of physicochemical properties of the microcapsules on fragrance leakage, we demonstrate that enhanced retention of fragrance can be achieved by using a polar polymeric shell and forming a hydrogel network within the microcapsule. We further extend the utility of these microcapsules by demonstrating the enhanced retention of encapsulated fragrance in powder state.
- Article Type
- ACS Applied Materials and Interfaces, vol. 8, no. 6, page. 4007 - 4013, 2016-02-17
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