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Colloid and Polymer Science

, Volume 297, Issue 2, pp 307–313 | Cite as

Use of anchoring amphiphilic diblock copolymers for encapsulation of hydrophilic actives in polymeric microcapsules: methodology and encapsulation efficiency

  • Markus Andersson TrojerEmail author
  • Asvad A. Gabul-Zada
  • Anna Ananievskaia
  • Lars Nordstierna
  • Marcus Östman
  • Hans Blanck
Short Communication
  • 87 Downloads

Abstract

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.

Graphical abstract

Structural and chemical composition of aqueous core-polymer shell particles stabilized by oil-soluble amphiphiles.

Keywords

Microcapsules Double emulsion Polymer brushes Encapsulation Amphiphiles 

Notes

Funding information

This study is funded by The Swedish Research Council FORMAS (2012-86 and 2016-61), Vinnova (2017-04693), and the foundation Bengt Lundqvist minne (post-doctoral grant, no grant number available).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

396_2018_4463_MOESM1_ESM.docx (2.4 mb)
ESM 1 (DOCX 2438 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Markus Andersson Trojer
    • 1
    • 2
    Email author
  • Asvad A. Gabul-Zada
    • 3
  • Anna Ananievskaia
    • 3
  • Lars Nordstierna
    • 4
  • Marcus Östman
    • 5
  • Hans Blanck
    • 3
  1. 1.Department of Materials, Division of bio-based fibres, RISE IVFMölndalSweden
  2. 2.Department of Colloid ChemistryMax Planck Institute of Colloids and InterfacesPotsdamGermany
  3. 3.Department of Biological and Environmental SciencesUniversity of GothenburgGöteborgSweden
  4. 4.Department of Chemistry and Chemical EngineeringChalmers University of TechnologyGöteborgSweden
  5. 5.Department of ChemistryUmeå UniversityUmeåSweden

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