Single- and Multicompartment Hollow Polyelectrolyte Complex Microcapsules by One-Step Spraying

Polyelectrolyte complex microcapsules are prepared using a novel template‐ and surfactant‐free method. The microcapsules are produced spontaneously by ultrasonically spraying a solution of complex into a hot water reservoir, which enhances diffusion and relaxation of the polymer. The size and wall t...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2015-03, Vol.27 (12), p.2077-2082
Main Authors: Wang, Qifeng, Schlenoff, Joseph B.
Format: Article
Language:English
Subjects:
Capsules
Diffusion
Encapsulation
Hot water
microcapsules
Microtechnology - methods
Nanoparticles
polyelectrolyte complexes
Polyelectrolytes
Polymers - chemistry
Reservoirs
salt
Spraying
Wall thickness
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Summary:Polyelectrolyte complex microcapsules are prepared using a novel template‐ and surfactant‐free method. The microcapsules are produced spontaneously by ultrasonically spraying a solution of complex into a hot water reservoir, which enhances diffusion and relaxation of the polymer. The size and wall thickness of the microcapsules are precisely controlled. Encapsulation of polymers and nanoparticles by mixing them with polyelectrolyte solutions is demonstrated.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201405376