Abstract
The paper describes a perspective approach to significantly decrease permeability of polyelectrolyte multi-layered capsules and, therefore, to make them more efficient for encapsulation of small molecule species. The polyelectrolyte shell modification by a dense polymer (polypyrrole) provides the capsule shell with water-resistant and sufficient barrier properties. However, high brittleness of polypyrrole coatings demands more gentle capsule processing conditions. Magnetite iron oxide nanoparticles were used as a shell constituent to provide the capsules with magnetic properties and, therefore, to propose a mild technological protocol for capsule treating.
| Original language | English |
|---|---|
| Pages (from-to) | 931-936 |
| Number of pages | 6 |
| Journal | Macromolecular Rapid Communications |
| Volume | 27 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 24 Jun 2006 |
| Externally published | Yes |
Keywords
- Coatings
- Microencapsulation
- Nanoparticles
- Polyelectrolytes
- Polypyrroles
ASJC Scopus subject areas
- Materials Chemistry
- Polymers and Plastics
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Cite this
Andreeva, D. V., Gorin, D. A., Shchukin, D. G., & Sukhorukov, G. B. (2006). Magnetic microcapsules with low permeable polypyrrole skin layer. Macromolecular Rapid Communications, 27(12), 931-936. https://doi.org/10.1002/marc.200600111