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Use of anchoring amphiphilic diblock copolymers for encapsulation of hydrophilic actives in polymeric microcapsules: methodology and encapsulation efficiency
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2019 (English)In: Colloid and Polymer Science, ISSN 0303-402X, E-ISSN 1435-1536, Vol. 297, no 2, p. 307-313Article in journal (Refereed) Published
Abstract [en]

Aqueous core-shell particles based on polystyrene, poly(methyl methacrylate) or polycaprolactone have been formulated using a facile double emulsion-based solvent evaporation method. The size distribution is narrow, and the morphology control is remarkable given the simple characteristics of the encapsulation method. The inner droplets are stabilized by oil-soluble poly(ethylene oxide)-based block copolymers which are anchored in the polymeric shell by using hydrophobic blocks of the same type as that of the shell-forming polymer. This facilitates the efficient encapsulation of dyes and hydrophilic biocides.

Place, publisher, year, edition, pages
Springer, 2019. Vol. 297, no 2, p. 307-313
Keywords [en]
Microcapsules, Double emulsion, Polymer brushes, Encapsulation, Amphiphiles
National Category
Polymer Chemistry Physical Chemistry
Identifiers
URN: urn:nbn:se:umu:diva-156296DOI: 10.1007/s00396-018-04463-5ISI: 000456185100012OAI: oai:DiVA.org:umu-156296DiVA, id: diva2:1291432
Available from: 2019-02-25 Created: 2019-02-25 Last updated: 2019-02-25Bibliographically approved

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Östman, Marcus

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