The effect of surfactant chain length on the morphology of poly(methyl methacrylate) microcapsules for fragrance oil encapsulation.
| Title: | The effect of surfactant chain length on the morphology of poly(methyl methacrylate) microcapsules for fragrance oil encapsulation. |
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| Authors: | Tasker AL; Faculty of Engineering, Architecture and Information Technology, University of Queensland, St Lucia, Queensland 4072, Australia; School of Chemical and Process Engineering, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, United Kingdom. Electronic address: a.tasker@uq.edu.au.; Hitchcock JP; School of Chemical and Process Engineering, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, United Kingdom.; He L; School of Chemical and Process Engineering, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, United Kingdom.; Baxter EA; Procter & Gamble, London Innovation Centre, Rusham Park, Whitehall Ln, Egham TW20 9NW, United Kingdom.; Biggs S; Faculty of Engineering, Architecture and Information Technology, University of Queensland, St Lucia, Queensland 4072, Australia.; Cayre OJ; School of Chemical and Process Engineering, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, United Kingdom. |
| Source: | Journal of colloid and interface science [J Colloid Interface Sci] 2016 Dec 15; Vol. 484, pp. 10-16. Date of Electronic Publication: 2016 Aug 24. |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: Academic Press Country of Publication: United States NLM ID: 0043125 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1095-7103 (Electronic) Linking ISSN: 00219797 NLM ISO Abbreviation: J Colloid Interface Sci Subsets: MEDLINE |
| Imprint Name(s): | Publication: Orlando, FL : Academic Press; Original Publication: New York. |
| MeSH Terms: | Oils, Volatile/*chemistry ; Polymethyl Methacrylate/*chemistry ; Quaternary Ammonium Compounds/*chemistry ; Surface-Active Agents/*chemistry; Alkanes/chemistry ; Methylene Chloride/chemistry ; Water/chemistry ; Capsules ; Drug Compounding ; Surface Tension ; Volatilization ; Wettability |
| Abstract: | The solvent evaporation method for producing microcapsules relies upon the correct wetting conditions between the three phases involved in the synthesis to allow core-shell morphologies to form. By measuring the interfacial tensions between the oil, polymer and aqueous phases, spreading coefficients can be calculated, allowing the capsule morphology to be predicted. In this work we explore the effect of surfactant chain length on capsule morphology using poly(methyl methacrylate) as the polymer and hexadecane as the core. We compared the predicted morphologies obtained using the polymer as a solid, and the polymer dissolved in dichloromethane to represent the point at which capsule formation begins. We found that using the polymer in its final, solid form gave predictions which were more consistent with our observations. The method was applied to successfully predict the capsule morphologies obtained when commercial fragrance oils were encapsulated.; (Copyright © 2016. Published by Elsevier Inc.) |
| Contributed Indexing: | Keywords: Encapsulation; Morphology; Polymeric microcapsules; Wetting |
| Substance Nomenclature: | 0 (Alkanes); 0 (Capsules); 0 (Oils, Volatile); 0 (Quaternary Ammonium Compounds); 0 (Surface-Active Agents); 059QF0KO0R (Water); 588X2YUY0A (Methylene Chloride); 9011-14-7 (Polymethyl Methacrylate); F8Z00SHP6Q (n-hexadecane); GT3793XV5S (dodecyltrimethylammonium) |
| Entry Date(s): | Date Created: 20160831 Date Completed: 20170406 Latest Revision: 20171008 |
| Update Code: | 20260130 |
| DOI: | 10.1016/j.jcis.2016.08.058 |
| PMID: | 27572610 |
| Database: | MEDLINE |
Journal Article